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fish-shell/fish_tests.cpp

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/** \file fish_tests.c
Various bug and feature tests. Compiled and run by make test.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <unistd.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <stdarg.h>
#include <iostream>
#include <string>
#include <sstream>
#include <algorithm>
#include <iterator>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <signal.h>
#include <locale.h>
#include <dirent.h>
#include <time.h>
#include "fallback.h"
#include "util.h"
#include "common.h"
#include "proc.h"
#include "reader.h"
#include "builtin.h"
#include "function.h"
#include "autoload.h"
#include "complete.h"
#include "wutil.h"
#include "env.h"
#include "expand.h"
#include "parser.h"
#include "tokenizer.h"
#include "output.h"
#include "exec.h"
#include "event.h"
#include "path.h"
#include "history.h"
#include "highlight.h"
#include "iothread.h"
#include "postfork.h"
#include "signal.h"
#include "parse_tree.h"
#include "parse_util.h"
#include "pager.h"
#include "input.h"
#include "utf8.h"
#include "env_universal_common.h"
#if HAVE_INOTIFY_INIT || HAVE_INOTIFY_INIT1
#include <sys/inotify.h>
#include <sys/utsname.h>
#endif
static const char * const * s_arguments;
static int s_test_run_count = 0;
/* Indicate if we should test the given function. Either we test everything (all arguments) or we run only tests that have a prefix in s_arguments */
static bool should_test_function(const char *func_name)
{
/* No args, test everything */
bool result = false;
if (! s_arguments || ! s_arguments[0])
{
result = true;
}
else
{
for (size_t i=0; s_arguments[i] != NULL; i++)
{
if (! strncmp(func_name, s_arguments[i], strlen(s_arguments[i])))
{
/* Prefix match */
result = true;
break;
}
}
}
if (result)
s_test_run_count++;
return result;
}
/**
The number of tests to run
*/
#define ESCAPE_TEST_COUNT 100000
/**
The average length of strings to unescape
*/
#define ESCAPE_TEST_LENGTH 100
/**
The higest character number of character to try and escape
*/
#define ESCAPE_TEST_CHAR 4000
/**
Number of laps to run performance testing loop
*/
#define LAPS 50
/**
The result of one of the test passes
*/
#define NUM_ANS L"-7 99999999 1234567 deadbeef DEADBEEFDEADBEEF"
/**
Number of encountered errors
*/
static int err_count=0;
/**
Print formatted output
*/
static void say(const wchar_t *blah, ...)
{
va_list va;
va_start(va, blah);
vwprintf(blah, va);
va_end(va);
wprintf(L"\n");
}
/**
Print formatted error string
*/
static void err(const wchar_t *blah, ...)
{
va_list va;
va_start(va, blah);
err_count++;
// show errors in red
fputs("\x1b[31m", stdout);
wprintf(L"Error: ");
vwprintf(blah, va);
va_end(va);
// return to normal color
fputs("\x1b[0m", stdout);
wprintf(L"\n");
}
#define do_test(e) do { if (! (e)) err(L"Test failed on line %lu: %s", __LINE__, #e); } while (0)
/* Test sane escapes */
static void test_unescape_sane()
{
const struct test_t
{
const wchar_t * input;
const wchar_t * expected;
} tests[] =
{
{L"abcd", L"abcd"},
{L"'abcd'", L"abcd"},
{L"'abcd\\n'", L"abcd\\n"},
{L"\"abcd\\n\"", L"abcd\\n"},
{L"\"abcd\\n\"", L"abcd\\n"},
{L"\\143", L"c"},
{L"'\\143'", L"\\143"},
{L"\\n", L"\n"} // \n normally becomes newline
};
wcstring output;
for (size_t i=0; i < sizeof tests / sizeof *tests; i++)
{
bool ret = unescape_string(tests[i].input, &output, UNESCAPE_DEFAULT);
if (! ret)
{
err(L"Failed to unescape '%ls'\n", tests[i].input);
}
else if (output != tests[i].expected)
{
err(L"In unescaping '%ls', expected '%ls' but got '%ls'\n", tests[i].input, tests[i].expected, output.c_str());
}
}
// test for overflow
if (unescape_string(L"echo \\UFFFFFF", &output, UNESCAPE_DEFAULT))
{
err(L"Should not have been able to unescape \\UFFFFFF\n");
}
if (unescape_string(L"echo \\U110000", &output, UNESCAPE_DEFAULT))
{
err(L"Should not have been able to unescape \\U110000\n");
}
if (! unescape_string(L"echo \\U10FFFF", &output, UNESCAPE_DEFAULT))
{
err(L"Should have been able to unescape \\U10FFFF\n");
}
}
/**
Test the escaping/unescaping code by escaping/unescaping random
strings and verifying that the original string comes back.
*/
static void test_escape_crazy()
{
say(L"Testing escaping and unescaping");
wcstring random_string;
wcstring escaped_string;
wcstring unescaped_string;
for (size_t i=0; i<ESCAPE_TEST_COUNT; i++)
{
random_string.clear();
while (rand() % ESCAPE_TEST_LENGTH)
{
random_string.push_back((rand() % ESCAPE_TEST_CHAR) +1);
}
escaped_string = escape_string(random_string, ESCAPE_ALL);
bool unescaped_success = unescape_string(escaped_string, &unescaped_string, UNESCAPE_DEFAULT);
if (! unescaped_success)
{
err(L"Failed to unescape string <%ls>", escaped_string.c_str());
}
else if (unescaped_string != random_string)
{
err(L"Escaped and then unescaped string '%ls', but got back a different string '%ls'", random_string.c_str(), unescaped_string.c_str());
}
}
}
static void test_format(void)
{
say(L"Testing formatting functions");
struct
{
unsigned long long val;
const char *expected;
} tests[] =
{
{ 0, "empty" },
{ 1, "1B" },
{ 2, "2B" },
{ 1024, "1kB" },
{ 1870, "1.8kB" },
{ 4322911, "4.1MB" }
};
size_t i;
for (i=0; i < sizeof tests / sizeof *tests; i++)
{
char buff[128];
format_size_safe(buff, tests[i].val);
do_test(! strcmp(buff, tests[i].expected));
}
for (int j=-129; j <= 129; j++)
{
char buff1[128], buff2[128];
format_long_safe(buff1, j);
sprintf(buff2, "%d", j);
do_test(! strcmp(buff1, buff2));
}
long q = LONG_MIN;
char buff1[128], buff2[128];
format_long_safe(buff1, q);
sprintf(buff2, "%ld", q);
do_test(! strcmp(buff1, buff2));
}
/**
Test wide/narrow conversion by creating random strings and
verifying that the original string comes back thorugh double
conversion.
*/
static void test_convert()
{
/* char o[] =
{
-17, -128, -121, -68, 0
}
;
wchar_t *w = str2wcs(o);
char *n = wcs2str(w);
int i;
for( i=0; o[i]; i++ )
{
bitprint(o[i]);;
//wprintf(L"%d ", o[i]);
}
wprintf(L"\n");
for( i=0; w[i]; i++ )
{
wbitprint(w[i]);;
//wprintf(L"%d ", w[i]);
}
wprintf(L"\n");
for( i=0; n[i]; i++ )
{
bitprint(n[i]);;
//wprintf(L"%d ", n[i]);
}
wprintf(L"\n");
return;
*/
int i;
std::vector<char> sb;
say(L"Testing wide/narrow string conversion");
for (i=0; i<ESCAPE_TEST_COUNT; i++)
{
const char *o, *n;
char c;
sb.clear();
while (rand() % ESCAPE_TEST_LENGTH)
{
c = rand();
sb.push_back(c);
}
c = 0;
sb.push_back(c);
o = &sb.at(0);
const wcstring w = str2wcstring(o);
n = wcs2str(w.c_str());
if (!o || !n)
{
err(L"Line %d - Conversion cycle of string %s produced null pointer on %s", __LINE__, o, L"wcs2str");
}
if (strcmp(o, n))
{
err(L"Line %d - %d: Conversion cycle of string %s produced different string %s", __LINE__, i, o, n);
}
free((void *)n);
}
}
/* Verify correct behavior with embedded nulls */
static void test_convert_nulls(void)
{
say(L"Testing embedded nulls in string conversion");
const wchar_t in[] = L"AAA\0BBB";
const size_t in_len = (sizeof in / sizeof *in) - 1;
const wcstring in_str = wcstring(in, in_len);
std::string out_str = wcs2string(in_str);
if (out_str.size() != in_len)
{
err(L"Embedded nulls mishandled in wcs2string");
}
for (size_t i=0; i < in_len; i++)
{
if (in[i] != out_str.at(i))
{
err(L"Embedded nulls mishandled in wcs2string at index %lu", (unsigned long)i);
}
}
wcstring out_wstr = str2wcstring(out_str);
if (out_wstr.size() != in_len)
{
err(L"Embedded nulls mishandled in str2wcstring");
}
for (size_t i=0; i < in_len; i++)
{
if (in[i] != out_wstr.at(i))
{
err(L"Embedded nulls mishandled in str2wcstring at index %lu", (unsigned long)i);
}
}
}
/**
Test the tokenizer
*/
static void test_tok()
{
say(L"Testing tokenizer");
say(L"Testing invalid input");
tokenizer_t t(NULL, 0);
if (tok_last_type(&t) != TOK_ERROR)
{
err(L"Invalid input to tokenizer was undetected");
}
say(L"Testing use of broken tokenizer");
if (!tok_has_next(&t))
{
err(L"tok_has_next() should return 1 once on broken tokenizer");
}
tok_next(&t);
if (tok_last_type(&t) != TOK_ERROR)
{
err(L"Invalid input to tokenizer was undetected");
}
/*
This should crash if there is a bug. No reliable way to detect otherwise.
*/
say(L"Test destruction of broken tokenizer");
{
const wchar_t *str = L"string <redirection 2>&1 'nested \"quoted\" '(string containing subshells ){and,brackets}$as[$well (as variable arrays)] not_a_redirect^ ^ ^^is_a_redirect";
const int types[] =
{
TOK_STRING, TOK_REDIRECT_IN, TOK_STRING, TOK_REDIRECT_FD, TOK_STRING, TOK_STRING, TOK_STRING, TOK_REDIRECT_OUT, TOK_REDIRECT_APPEND, TOK_STRING, TOK_END
};
say(L"Test correct tokenization");
tokenizer_t t(str, 0);
for (size_t i=0; i < sizeof types / sizeof *types; i++, tok_next(&t))
{
if (types[i] != tok_last_type(&t))
{
err(L"Tokenization error:");
wprintf(L"Token number %d of string \n'%ls'\n, expected token type %ls, got token '%ls' of type %ls\n",
i+1,
str,
tok_get_desc(types[i]),
tok_last(&t),
tok_get_desc(tok_last_type(&t)));
}
}
}
/* Test redirection_type_for_string */
if (redirection_type_for_string(L"<") != TOK_REDIRECT_IN) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"^") != TOK_REDIRECT_OUT) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L">") != TOK_REDIRECT_OUT) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"2>") != TOK_REDIRECT_OUT) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L">>") != TOK_REDIRECT_APPEND) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"2>>") != TOK_REDIRECT_APPEND) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"2>?") != TOK_REDIRECT_NOCLOB) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"9999999999999999>?") != TOK_NONE) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"2>&3") != TOK_REDIRECT_FD) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
if (redirection_type_for_string(L"2>|") != TOK_NONE) err(L"redirection_type_for_string failed on line %ld", (long)__LINE__);
}
// Little function that runs in the main thread
static int test_iothread_main_call(int *addr)
{
*addr += 1;
return *addr;
}
// Little function that runs in a background thread, bouncing to the main
static int test_iothread_thread_call(int *addr)
{
int before = *addr;
iothread_perform_on_main(test_iothread_main_call, addr);
int after = *addr;
// Must have incremented it at least once
if (before >= after)
{
err(L"Failed to increment from background thread");
}
return after;
}
static void test_iothread(void)
{
say(L"Testing iothreads");
int *int_ptr = new int(0);
int iterations = 50000;
int max_achieved_thread_count = 0;
double start = timef();
for (int i=0; i < iterations; i++)
{
int thread_count = iothread_perform(test_iothread_thread_call, (void (*)(int *, int))NULL, int_ptr);
max_achieved_thread_count = std::max(max_achieved_thread_count, thread_count);
}
// Now wait until we're done
iothread_drain_all();
double end = timef();
// Should have incremented it once per thread
if (*int_ptr != iterations)
{
say(L"Expected int to be %d, but instead it was %d", iterations, *int_ptr);
}
say(L" (%.02f msec, with max of %d threads)", (end - start) * 1000.0, max_achieved_thread_count);
delete int_ptr;
}
static parser_test_error_bits_t detect_argument_errors(const wcstring &src)
{
parse_node_tree_t tree;
if (! parse_tree_from_string(src, parse_flag_none, &tree, NULL, symbol_argument_list))
{
return PARSER_TEST_ERROR;
}
assert(! tree.empty());
const parse_node_t *first_arg = tree.next_node_in_node_list(tree.at(0), symbol_argument, NULL);
assert(first_arg != NULL);
return parse_util_detect_errors_in_argument(*first_arg, first_arg->get_source(src));
}
/**
Test the parser
*/
static void test_parser()
{
say(L"Testing parser");
parser_t parser(PARSER_TYPE_GENERAL, true);
say(L"Testing block nesting");
if (!parse_util_detect_errors(L"if; end"))
{
err(L"Incomplete if statement undetected");
}
if (!parse_util_detect_errors(L"if test; echo"))
{
err(L"Missing end undetected");
}
if (!parse_util_detect_errors(L"if test; end; end"))
{
err(L"Unbalanced end undetected");
}
say(L"Testing detection of invalid use of builtin commands");
if (!parse_util_detect_errors(L"case foo"))
{
err(L"'case' command outside of block context undetected");
}
if (!parse_util_detect_errors(L"switch ggg; if true; case foo;end;end"))
{
err(L"'case' command outside of switch block context undetected");
}
if (!parse_util_detect_errors(L"else"))
{
err(L"'else' command outside of conditional block context undetected");
}
if (!parse_util_detect_errors(L"else if"))
{
err(L"'else if' command outside of conditional block context undetected");
}
if (!parse_util_detect_errors(L"if false; else if; end"))
{
err(L"'else if' missing command undetected");
}
if (!parse_util_detect_errors(L"break"))
{
err(L"'break' command outside of loop block context undetected");
}
if (parse_util_detect_errors(L"break --help"))
{
err(L"'break --help' incorrectly marked as error");
}
if (! parse_util_detect_errors(L"while false ; function foo ; break ; end ; end "))
{
err(L"'break' command inside function allowed to break from loop outside it");
}
if (!parse_util_detect_errors(L"exec ls|less") || !parse_util_detect_errors(L"echo|return"))
{
err(L"Invalid pipe command undetected");
}
if (parse_util_detect_errors(L"for i in foo ; switch $i ; case blah ; break; end; end "))
{
err(L"'break' command inside switch falsely reported as error");
}
if (parse_util_detect_errors(L"or cat | cat") || parse_util_detect_errors(L"and cat | cat"))
{
err(L"boolean command at beginning of pipeline falsely reported as error");
}
if (! parse_util_detect_errors(L"cat | and cat"))
{
err(L"'and' command in pipeline not reported as error");
}
if (! parse_util_detect_errors(L"cat | or cat"))
{
err(L"'or' command in pipeline not reported as error");
}
if (! parse_util_detect_errors(L"cat | exec") || ! parse_util_detect_errors(L"exec | cat"))
{
err(L"'exec' command in pipeline not reported as error");
}
if (detect_argument_errors(L"foo"))
{
err(L"simple argument reported as error");
}
if (detect_argument_errors(L"''"))
{
err(L"Empty string reported as error");
}
if (!(detect_argument_errors(L"foo$$") & PARSER_TEST_ERROR))
{
err(L"Bad variable expansion not reported as error");
}
if (!(detect_argument_errors(L"foo$@") & PARSER_TEST_ERROR))
{
err(L"Bad variable expansion not reported as error");
}
/* Within command substitutions, we should be able to detect everything that parse_util_detect_errors can detect */
if (!(detect_argument_errors(L"foo(cat | or cat)") & PARSER_TEST_ERROR))
{
err(L"Bad command substitution not reported as error");
}
if (!(detect_argument_errors(L"foo\\xFF9") & PARSER_TEST_ERROR))
{
err(L"Bad escape not reported as error");
}
if (!(detect_argument_errors(L"foo(echo \\xFF9)") & PARSER_TEST_ERROR))
{
err(L"Bad escape in command substitution not reported as error");
}
if (!(detect_argument_errors(L"foo(echo (echo (echo \\xFF9)))") & PARSER_TEST_ERROR))
{
err(L"Bad escape in nested command substitution not reported as error");
}
say(L"Testing basic evaluation");
#if 0
/* This fails now since the parser takes a wcstring&, and NULL converts to wchar_t * converts to wcstring which crashes (thanks C++) */
if (!parser.eval(0, 0, TOP))
{
err(L"Null input when evaluating undetected");
}
#endif
if (!parser.eval(L"ls", io_chain_t(), WHILE))
{
err(L"Invalid block mode when evaluating undetected");
}
/* Ensure that we don't crash on infinite self recursion and mutual recursion. These must use the principal parser because we cannot yet execute jobs on other parsers (!) */
say(L"Testing recursion detection");
parser_t::principal_parser().eval(L"function recursive ; recursive ; end ; recursive; ", io_chain_t(), TOP);
#if 0
/* This is disabled since it produces a long backtrace. We should find a way to either visually compress the backtrace, or disable error spewing */
parser_t::principal_parser().eval(L"function recursive1 ; recursive2 ; end ; function recursive2 ; recursive1 ; end ; recursive1; ", io_chain_t(), TOP);
#endif
say(L"Testing empty function name");
parser_t::principal_parser().eval(L"function '' ; echo fail; exit 42 ; end ; ''", io_chain_t(), TOP);
say(L"Testing eval_args");
completion_list_t comps;
parser_t::principal_parser().expand_argument_list(L"alpha 'beta gamma' delta", comps);
do_test(comps.size() == 3);
do_test(comps.at(0).completion == L"alpha");
do_test(comps.at(1).completion == L"beta gamma");
do_test(comps.at(2).completion == L"delta");
}
/* Wait a while and then SIGINT the main thread */
struct test_cancellation_info_t
{
pthread_t thread;
double delay;
};
static int signal_main(test_cancellation_info_t *info)
{
usleep(info->delay * 1E6);
pthread_kill(info->thread, SIGINT);
return 0;
}
static void test_1_cancellation(const wchar_t *src)
{
shared_ptr<io_buffer_t> out_buff(io_buffer_t::create(STDOUT_FILENO));
const io_chain_t io_chain(out_buff);
test_cancellation_info_t ctx = {pthread_self(), 0.25 /* seconds */ };
iothread_perform(signal_main, (void (*)(test_cancellation_info_t *, int))NULL, &ctx);
parser_t::principal_parser().eval(src, io_chain, TOP);
out_buff->read();
if (out_buff->out_buffer_size() != 0)
{
err(L"Expected 0 bytes in out_buff, but instead found %lu bytes\n", out_buff->out_buffer_size());
}
iothread_drain_all();
}
static void test_cancellation()
{
say(L"Testing Ctrl-C cancellation. If this hangs, that's a bug!");
/* Enable fish's signal handling here. We need to make this interactive for fish to install its signal handlers */
proc_push_interactive(1);
signal_set_handlers();
/* This tests that we can correctly ctrl-C out of certain loop constructs, and that nothing gets printed if we do */
/* Here the command substitution is an infinite loop. echo never even gets its argument, so when we cancel we expect no output */
test_1_cancellation(L"echo (while true ; echo blah ; end)");
fprintf(stderr, ".");
/* Nasty infinite loop that doesn't actually execute anything */
test_1_cancellation(L"echo (while true ; end) (while true ; end) (while true ; end)");
fprintf(stderr, ".");
test_1_cancellation(L"while true ; end");
fprintf(stderr, ".");
test_1_cancellation(L"for i in (while true ; end) ; end");
fprintf(stderr, ".");
fprintf(stderr, "\n");
/* Restore signal handling */
proc_pop_interactive();
signal_reset_handlers();
/* Ensure that we don't think we should cancel */
reader_reset_interrupted();
}
static void test_indents()
{
say(L"Testing indents");
// Here are the components of our source and the indents we expect those to be
struct indent_component_t
{
const wchar_t *txt;
int indent;
};
const indent_component_t components1[] =
{
{L"if foo", 0},
{L"end", 0},
{NULL, -1}
};
const indent_component_t components2[] =
{
{L"if foo", 0},
{L"", 1}, //trailing newline!
{NULL, -1}
};
const indent_component_t components3[] =
{
{L"if foo", 0},
{L"foo", 1},
{L"end", 0}, //trailing newline!
{NULL, -1}
};
const indent_component_t components4[] =
{
{L"if foo", 0},
{L"if bar", 1},
{L"end", 1},
{L"end", 0},
{L"", 0},
{NULL, -1}
};
const indent_component_t components5[] =
{
{L"if foo", 0},
{L"if bar", 1},
{L"", 2},
{NULL, -1}
};
const indent_component_t components6[] =
{
{L"begin", 0},
{L"foo", 1},
{L"", 1},
{NULL, -1}
};
const indent_component_t components7[] =
{
{L"begin; end", 0},
{L"foo", 0},
{L"", 0},
{NULL, -1}
};
const indent_component_t components8[] =
{
{L"if foo", 0},
{L"if bar", 1},
{L"baz", 2},
{L"end", 1},
{L"", 1},
{NULL, -1}
};
const indent_component_t components9[] =
{
{L"switch foo", 0},
{L"", 1},
{NULL, -1}
};
const indent_component_t components10[] =
{
{L"switch foo", 0},
{L"case bar", 1},
{L"case baz", 1},
{L"quux", 2},
{L"", 2},
{NULL, -1}
};
const indent_component_t components11[] =
{
{L"switch foo", 0},
{L"cas", 1}, //parse error indentation handling
{NULL, -1}
};
const indent_component_t *tests[] = {components1, components2, components3, components4, components5, components6, components7, components8, components9, components10, components11};
for (size_t which = 0; which < sizeof tests / sizeof *tests; which++)
{
const indent_component_t *components = tests[which];
// Count how many we have
size_t component_count = 0;
while (components[component_count].txt != NULL)
{
component_count++;
}
// Generate the expected indents
wcstring text;
std::vector<int> expected_indents;
for (size_t i=0; i < component_count; i++)
{
if (i > 0)
{
text.push_back(L'\n');
expected_indents.push_back(components[i].indent);
}
text.append(components[i].txt);
expected_indents.resize(text.size(), components[i].indent);
}
do_test(expected_indents.size() == text.size());
// Compute the indents
std::vector<int> indents = parse_util_compute_indents(text);
if (expected_indents.size() != indents.size())
{
err(L"Indent vector has wrong size! Expected %lu, actual %lu", expected_indents.size(), indents.size());
}
do_test(expected_indents.size() == indents.size());
for (size_t i=0; i < text.size(); i++)
{
if (expected_indents.at(i) != indents.at(i))
{
err(L"Wrong indent at index %lu in test #%lu (expected %d, actual %d):\n%ls\n", i, which + 1, expected_indents.at(i), indents.at(i), text.c_str());
break; //don't keep showing errors for the rest of the line
}
}
}
}
static void test_utils()
{
say(L"Testing utils");
const wchar_t *a = L"echo (echo (echo hi";
const wchar_t *begin = NULL, *end = NULL;
parse_util_cmdsubst_extent(a, 0, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 1, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 2, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 3, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 8, &begin, &end);
if (begin != a + wcslen(L"echo (")) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 17, &begin, &end);
if (begin != a + wcslen(L"echo (echo (")) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
}
/* UTF8 tests taken from Alexey Vatchenko's utf8 library. See http://www.bsdua.org/libbsdua.html */
static void test_utf82wchar(const char *src, size_t slen, const wchar_t *dst, size_t dlen,
int flags, size_t res, const char *descr)
{
size_t size;
wchar_t *mem = NULL;
/* Hack: if wchar is only UCS-2, and the UTF-8 input string contains astral characters, then tweak the expected size to 0 */
if (src != NULL && is_wchar_ucs2())
{
/* A UTF-8 code unit may represent an astral code point if it has 4 or more leading 1s */
const unsigned char astral_mask = 0xF0;
for (size_t i=0; i < slen; i++)
{
if ((src[i] & astral_mask) == astral_mask)
{
/* Astral char. We expect this conversion to just fail. */
res = 0;
break;
}
}
}
if (dst != NULL)
{
mem = (wchar_t *)malloc(dlen * sizeof(*mem));
if (mem == NULL)
{
err(L"u2w: %s: MALLOC FAILED\n", descr);
return;
}
}
do
{
size = utf8_to_wchar(src, slen, mem, dlen, flags);
if (res != size)
{
err(L"u2w: %s: FAILED (rv: %lu, must be %lu)", descr, size, res);
break;
}
if (mem == NULL)
break; /* OK */
if (memcmp(mem, dst, size * sizeof(*mem)) != 0)
{
err(L"u2w: %s: BROKEN", descr);
break;
}
}
while (0);
free(mem);
}
// Annoying variant to handle uchar to avoid narrowing conversion warnings
static void test_utf82wchar(const unsigned char *usrc, size_t slen, const wchar_t *dst, size_t dlen,
int flags, size_t res, const char *descr) {
const char *src = reinterpret_cast<const char *>(usrc);
return test_utf82wchar(src, slen, dst, dlen, flags, res, descr);
}
static void test_wchar2utf8(const wchar_t *src, size_t slen, const char *dst, size_t dlen,
int flags, size_t res, const char *descr)
{
size_t size;
char *mem = NULL;
/* Hack: if wchar is simulating UCS-2, and the wchar_t input string contains astral characters, then tweak the expected size to 0 */
if (src != NULL && is_wchar_ucs2())
{
const uint32_t astral_mask = 0xFFFF0000U;
for (size_t i=0; i < slen; i++)
{
if ((src[i] & astral_mask) != 0)
{
/* astral char */
res = 0;
break;
}
}
}
if (dst != NULL)
{
mem = (char *)malloc(dlen);
if (mem == NULL)
{
err(L"w2u: %s: MALLOC FAILED", descr);
return;
}
}
size = wchar_to_utf8(src, slen, mem, dlen, flags);
if (res != size)
{
err(L"w2u: %s: FAILED (rv: %lu, must be %lu)", descr, size, res);
goto finish;
}
if (mem == NULL)
goto finish; /* OK */
if (memcmp(mem, dst, size) != 0)
{
err(L"w2u: %s: BROKEN", descr);
goto finish;
}
finish:
free(mem);
}
// Annoying variant to handle uchar to avoid narrowing conversion warnings
static void test_wchar2utf8(const wchar_t *src, size_t slen, const unsigned char *udst, size_t dlen,
int flags, size_t res, const char *descr)
{
const char *dst = reinterpret_cast<const char *>(udst);
return test_wchar2utf8(src, slen, dst, dlen, flags, res, descr);
}
static void test_utf8()
{
wchar_t w1[] = {0x54, 0x65, 0x73, 0x74};
wchar_t w2[] = {0x0422, 0x0435, 0x0441, 0x0442};
wchar_t w3[] = {0x800, 0x1e80, 0x98c4, 0x9910, 0xff00};
wchar_t w4[] = {0x15555, 0xf7777, 0xa};
wchar_t w5[] = {0x255555, 0x1fa04ff, 0xddfd04, 0xa};
wchar_t w6[] = {0xf255555, 0x1dfa04ff, 0x7fddfd04, 0xa};
wchar_t wb[] = {-2, 0xa, (wchar_t)0xffffffff, 0x0441};
wchar_t wm[] = {0x41, 0x0441, 0x3042, 0xff67, 0x9b0d, 0x2e05da67};
wchar_t wb1[] = {0xa, 0x0422};
wchar_t wb2[] = {0xd800, 0xda00, 0x41, 0xdfff, 0xa};
wchar_t wbom[] = {0xfeff, 0x41, 0xa};
wchar_t wbom2[] = {0x41, 0xa};
wchar_t wbom22[] = {0xfeff, 0x41, 0xa};
unsigned char u1[] = {0x54, 0x65, 0x73, 0x74};
unsigned char u2[] = {0xd0, 0xa2, 0xd0, 0xb5, 0xd1, 0x81, 0xd1, 0x82};
unsigned char u3[] = {0xe0, 0xa0, 0x80, 0xe1, 0xba, 0x80, 0xe9, 0xa3, 0x84,
0xe9, 0xa4, 0x90, 0xef, 0xbc, 0x80
};
unsigned char u4[] = {0xf0, 0x95, 0x95, 0x95, 0xf3, 0xb7, 0x9d, 0xb7, 0xa};
unsigned char u5[] = {0xf8, 0x89, 0x95, 0x95, 0x95, 0xf9, 0xbe, 0xa0, 0x93,
0xbf, 0xf8, 0xb7, 0x9f, 0xb4, 0x84, 0x0a
};
unsigned char u6[] = {0xfc, 0x8f, 0x89, 0x95, 0x95, 0x95, 0xfc, 0x9d, 0xbe,
0xa0, 0x93, 0xbf, 0xfd, 0xbf, 0xb7, 0x9f, 0xb4, 0x84, 0x0a
};
unsigned char ub[] = {0xa, 0xd1, 0x81};
unsigned char um[] = {0x41, 0xd1, 0x81, 0xe3, 0x81, 0x82, 0xef, 0xbd, 0xa7,
0xe9, 0xac, 0x8d, 0xfc, 0xae, 0x81, 0x9d, 0xa9, 0xa7
};
unsigned char ub1[] = {0xa, 0xff, 0xd0, 0xa2, 0xfe, 0x8f, 0xe0, 0x80};
unsigned char uc080[] = {0xc0, 0x80};
unsigned char ub2[] = {0xed, 0xa1, 0x8c, 0xed, 0xbe, 0xb4, 0xa};
unsigned char ubom[] = {0x41, 0xa};
unsigned char ubom2[] = {0xef, 0xbb, 0xbf, 0x41, 0xa};
/*
* UTF-8 -> UCS-4 string.
*/
test_utf82wchar(ubom2, sizeof(ubom2), wbom2,
sizeof(wbom2) / sizeof(*wbom2), UTF8_SKIP_BOM,
sizeof(wbom2) / sizeof(*wbom2), "skip BOM");
test_utf82wchar(ubom2, sizeof(ubom2), wbom22,
sizeof(wbom22) / sizeof(*wbom22), 0,
sizeof(wbom22) / sizeof(*wbom22), "BOM");
test_utf82wchar(uc080, sizeof(uc080), NULL, 0, 0, 0,
"c0 80 - forbitten by rfc3629");
test_utf82wchar(ub2, sizeof(ub2), NULL, 0, 0, is_wchar_ucs2() ? 0 : 3,
"resulted in forbitten wchars (len)");
test_utf82wchar(ub2, sizeof(ub2), wb2, sizeof(wb2) / sizeof(*wb2), 0, 0,
"resulted in forbitten wchars");
test_utf82wchar(ub2, sizeof(ub2), L"\x0a", 1, UTF8_IGNORE_ERROR,
1, "resulted in ignored forbitten wchars");
test_utf82wchar(u1, sizeof(u1), w1, sizeof(w1) / sizeof(*w1), 0,
sizeof(w1) / sizeof(*w1), "1 octet chars");
test_utf82wchar(u2, sizeof(u2), w2, sizeof(w2) / sizeof(*w2), 0,
sizeof(w2) / sizeof(*w2), "2 octets chars");
test_utf82wchar(u3, sizeof(u3), w3, sizeof(w3) / sizeof(*w3), 0,
sizeof(w3) / sizeof(*w3), "3 octets chars");
test_utf82wchar(u4, sizeof(u4), w4, sizeof(w4) / sizeof(*w4), 0,
sizeof(w4) / sizeof(*w4), "4 octets chars");
test_utf82wchar(u5, sizeof(u5), w5, sizeof(w5) / sizeof(*w5), 0,
sizeof(w5) / sizeof(*w5), "5 octets chars");
test_utf82wchar(u6, sizeof(u6), w6, sizeof(w6) / sizeof(*w6), 0,
sizeof(w6) / sizeof(*w6), "6 octets chars");
test_utf82wchar("\xff", 1, NULL, 0, 0, 0, "broken utf-8 0xff symbol");
test_utf82wchar("\xfe", 1, NULL, 0, 0, 0, "broken utf-8 0xfe symbol");
test_utf82wchar("\x8f", 1, NULL, 0, 0, 0,
"broken utf-8, start from 10 higher bits");
if (! is_wchar_ucs2()) test_utf82wchar(ub1, sizeof(ub1), wb1, sizeof(wb1) / sizeof(*wb1),
UTF8_IGNORE_ERROR, sizeof(wb1) / sizeof(*wb1), "ignore bad chars");
test_utf82wchar(um, sizeof(um), wm, sizeof(wm) / sizeof(*wm), 0,
sizeof(wm) / sizeof(*wm), "mixed languages");
test_utf82wchar(um, sizeof(um), wm, sizeof(wm) / sizeof(*wm) - 1, 0,
0, "boundaries -1");
test_utf82wchar(um, sizeof(um), wm, sizeof(wm) / sizeof(*wm) + 1, 0,
sizeof(wm) / sizeof(*wm), "boundaries +1");
test_utf82wchar(um, sizeof(um), NULL, 0, 0,
sizeof(wm) / sizeof(*wm), "calculate length");
test_utf82wchar(ub1, sizeof(ub1), NULL, 0, 0,
0, "calculate length of bad chars");
test_utf82wchar(ub1, sizeof(ub1), NULL, 0,
UTF8_IGNORE_ERROR, sizeof(wb1) / sizeof(*wb1),
"calculate length, ignore bad chars");
test_utf82wchar((const char *)NULL, 0, NULL, 0, 0, 0, "invalid params, all 0");
test_utf82wchar(u1, 0, NULL, 0, 0, 0,
"invalid params, src buf not NULL");
test_utf82wchar((const char *)NULL, 10, NULL, 0, 0, 0,
"invalid params, src length is not 0");
test_utf82wchar(u1, sizeof(u1), w1, 0, 0, 0,
"invalid params, dst is not NULL");
/*
* UCS-4 -> UTF-8 string.
*/
const char * const nullc = NULL;
test_wchar2utf8(wbom, sizeof(wbom) / sizeof(*wbom), ubom, sizeof(ubom),
UTF8_SKIP_BOM, sizeof(ubom), "BOM");
test_wchar2utf8(wb2, sizeof(wb2) / sizeof(*wb2), nullc, 0, 0,
0, "prohibited wchars");
test_wchar2utf8(wb2, sizeof(wb2) / sizeof(*wb2), nullc, 0,
UTF8_IGNORE_ERROR, 2, "ignore prohibited wchars");
test_wchar2utf8(w1, sizeof(w1) / sizeof(*w1), u1, sizeof(u1), 0,
sizeof(u1), "1 octet chars");
test_wchar2utf8(w2, sizeof(w2) / sizeof(*w2), u2, sizeof(u2), 0,
sizeof(u2), "2 octets chars");
test_wchar2utf8(w3, sizeof(w3) / sizeof(*w3), u3, sizeof(u3), 0,
sizeof(u3), "3 octets chars");
test_wchar2utf8(w4, sizeof(w4) / sizeof(*w4), u4, sizeof(u4), 0,
sizeof(u4), "4 octets chars");
test_wchar2utf8(w5, sizeof(w5) / sizeof(*w5), u5, sizeof(u5), 0,
sizeof(u5), "5 octets chars");
test_wchar2utf8(w6, sizeof(w6) / sizeof(*w6), u6, sizeof(u6), 0,
sizeof(u6), "6 octets chars");
test_wchar2utf8(wb, sizeof(wb) / sizeof(*wb), ub, sizeof(ub), 0,
0, "bad chars");
test_wchar2utf8(wb, sizeof(wb) / sizeof(*wb), ub, sizeof(ub),
UTF8_IGNORE_ERROR, sizeof(ub), "ignore bad chars");
test_wchar2utf8(wm, sizeof(wm) / sizeof(*wm), um, sizeof(um), 0,
sizeof(um), "mixed languages");
test_wchar2utf8(wm, sizeof(wm) / sizeof(*wm), um, sizeof(um) - 1, 0,
0, "boundaries -1");
test_wchar2utf8(wm, sizeof(wm) / sizeof(*wm), um, sizeof(um) + 1, 0,
sizeof(um), "boundaries +1");
test_wchar2utf8(wm, sizeof(wm) / sizeof(*wm), nullc, 0, 0,
sizeof(um), "calculate length");
test_wchar2utf8(wb, sizeof(wb) / sizeof(*wb), nullc, 0, 0,
0, "calculate length of bad chars");
test_wchar2utf8(wb, sizeof(wb) / sizeof(*wb), nullc, 0,
UTF8_IGNORE_ERROR, sizeof(ub),
"calculate length, ignore bad chars");
test_wchar2utf8(NULL, 0, nullc, 0, 0, 0, "invalid params, all 0");
test_wchar2utf8(w1, 0, nullc, 0, 0, 0,
"invalid params, src buf not NULL");
test_wchar2utf8(NULL, 10, nullc, 0, 0, 0,
"invalid params, src length is not 0");
test_wchar2utf8(w1, sizeof(w1) / sizeof(*w1), u1, 0, 0, 0,
"invalid params, dst is not NULL");
}
static void test_escape_sequences(void)
{
say(L"Testing escape codes");
if (escape_code_length(L"") != 0) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"abcd") != 0) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b[2J") != 4) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b[38;5;123mABC") != strlen("\x1b[38;5;123m")) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b@") != 2) err(L"test_escape_sequences failed on line %d\n", __LINE__);
}
class lru_node_test_t : public lru_node_t
{
public:
lru_node_test_t(const wcstring &tmp) : lru_node_t(tmp) { }
};
class test_lru_t : public lru_cache_t<lru_node_test_t>
{
public:
test_lru_t() : lru_cache_t<lru_node_test_t>(16) { }
std::vector<lru_node_test_t *> evicted_nodes;
virtual void node_was_evicted(lru_node_test_t *node)
{
do_test(find(evicted_nodes.begin(), evicted_nodes.end(), node) == evicted_nodes.end());
evicted_nodes.push_back(node);
}
};
static void test_lru(void)
{
say(L"Testing LRU cache");
test_lru_t cache;
std::vector<lru_node_test_t *> expected_evicted;
size_t total_nodes = 20;
for (size_t i=0; i < total_nodes; i++)
{
do_test(cache.size() == std::min(i, (size_t)16));
lru_node_test_t *node = new lru_node_test_t(to_string(i));
if (i < 4) expected_evicted.push_back(node);
// Adding the node the first time should work, and subsequent times should fail
do_test(cache.add_node(node));
do_test(! cache.add_node(node));
}
do_test(cache.evicted_nodes == expected_evicted);
cache.evict_all_nodes();
do_test(cache.evicted_nodes.size() == total_nodes);
while (! cache.evicted_nodes.empty())
{
lru_node_t *node = cache.evicted_nodes.back();
cache.evicted_nodes.pop_back();
delete node;
}
}
/**
Perform parameter expansion and test if the output equals the zero-terminated parameter list supplied.
\param in the string to expand
\param flags the flags to send to expand_string
*/
static int expand_test(const wchar_t *in, int flags, ...)
{
std::vector<completion_t> output;
va_list va;
size_t i=0;
int res=1;
wchar_t *arg;
if (expand_string(in, output, flags, NULL))
{
}
#if 0
printf("input: %ls\n", in);
for (size_t idx=0; idx < output.size(); idx++)
{
printf("%ls\n", output.at(idx).completion.c_str());
}
#endif
va_start(va, flags);
while ((arg=va_arg(va, wchar_t *))!= 0)
{
if (output.size() == i)
{
res=0;
break;
}
if (output.at(i).completion != arg)
{
res=0;
break;
}
i++;
}
va_end(va);
return res;
}
/**
Test globbing and other parameter expansion
*/
static void test_expand()
{
say(L"Testing parameter expansion");
if (!expand_test(L"foo", 0, L"foo", 0))
{
err(L"Strings do not expand to themselves");
}
if (!expand_test(L"a{b,c,d}e", 0, L"abe", L"ace", L"ade", 0))
{
err(L"Bracket expansion is broken");
}
if (!expand_test(L"a*", EXPAND_SKIP_WILDCARDS, L"a*", 0))
{
err(L"Cannot skip wildcard expansion");
}
if (system("mkdir -p /tmp/fish_expand_test/")) err(L"mkdir failed");
if (system("touch /tmp/fish_expand_test/.foo")) err(L"touch failed");
if (system("touch /tmp/fish_expand_test/bar")) err(L"touch failed");
// This is checking that .* does NOT match . and .. (https://github.com/fish-shell/fish-shell/issues/270). But it does have to match literal components (e.g. "./*" has to match the same as "*"
if (! expand_test(L"/tmp/fish_expand_test/.*", 0, L"/tmp/fish_expand_test/.foo", 0))
{
err(L"Expansion not correctly handling dotfiles");
}
if (! expand_test(L"/tmp/fish_expand_test/./.*", 0, L"/tmp/fish_expand_test/./.foo", 0))
{
err(L"Expansion not correctly handling literal path components in dotfiles");
}
if (system("rm -Rf /tmp/fish_expand_test")) err(L"rm failed");
}
static void test_fuzzy_match(void)
{
say(L"Testing fuzzy string matching");
if (string_fuzzy_match_string(L"", L"").type != fuzzy_match_exact) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alpha", L"alpha").type != fuzzy_match_exact) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alp", L"alpha").type != fuzzy_match_prefix) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"ALPHA!", L"alPhA!").type != fuzzy_match_case_insensitive) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alPh", L"ALPHA!").type != fuzzy_match_prefix_case_insensitive) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"LPH", L"ALPHA!").type != fuzzy_match_substring) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"AA", L"ALPHA!").type != fuzzy_match_subsequence_insertions_only) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"BB", L"ALPHA!").type != fuzzy_match_none) err(L"test_fuzzy_match failed on line %ld", __LINE__);
}
static void test_abbreviations(void)
{
say(L"Testing abbreviations");
const wchar_t *abbreviations =
L"gc=git checkout" ARRAY_SEP_STR
L"foo=" ARRAY_SEP_STR
L"gc=something else" ARRAY_SEP_STR
L"=" ARRAY_SEP_STR
L"=foo" ARRAY_SEP_STR
L"foo" ARRAY_SEP_STR
L"foo=bar";
env_push(true);
int ret = env_set(USER_ABBREVIATIONS_VARIABLE_NAME, abbreviations, ENV_LOCAL);
if (ret != 0) err(L"Unable to set abbreviation variable");
wcstring result;
if (expand_abbreviation(L"", &result)) err(L"Unexpected success with empty abbreviation");
if (expand_abbreviation(L"nothing", &result)) err(L"Unexpected success with missing abbreviation");
if (! expand_abbreviation(L"gc", &result)) err(L"Unexpected failure with gc abbreviation");
if (result != L"git checkout") err(L"Wrong abbreviation result for gc");
result.clear();
if (! expand_abbreviation(L"foo", &result)) err(L"Unexpected failure with foo abbreviation");
if (result != L"bar") err(L"Wrong abbreviation result for foo");
bool expanded;
expanded = reader_expand_abbreviation_in_command(L"just a command", 3, &result);
if (expanded) err(L"Command wrongly expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"gc somebranch", 0, &result);
if (! expanded) err(L"Command not expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"gc somebranch", wcslen(L"gc"), &result);
if (! expanded) err(L"gc not expanded");
if (result != L"git checkout somebranch") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
expanded = reader_expand_abbreviation_in_command(L"echo hi ; gc somebranch", wcslen(L"echo hi ; g"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"echo hi ; git checkout somebranch") err(L"gc incorrectly expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"echo (echo (echo (echo (gc ", wcslen(L"echo (echo (echo (echo (gc"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"echo (echo (echo (echo (git checkout ") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
/* if commands should be expanded */
expanded = reader_expand_abbreviation_in_command(L"if gc", wcslen(L"if gc"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"if git checkout") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
/* others should not be */
expanded = reader_expand_abbreviation_in_command(L"of gc", wcslen(L"of gc"), &result);
if (expanded) err(L"gc incorrectly expanded on line %ld", (long)__LINE__);
/* others should not be */
expanded = reader_expand_abbreviation_in_command(L"command gc", wcslen(L"command gc"), &result);
if (expanded) err(L"gc incorrectly expanded on line %ld", (long)__LINE__);
env_pop();
}
/** Test path functions */
static void test_path()
{
say(L"Testing path functions");
wcstring path = L"//foo//////bar/";
path_make_canonical(path);
if (path != L"/foo/bar")
{
err(L"Bug in canonical PATH code");
}
path = L"/";
path_make_canonical(path);
if (path != L"/")
{
err(L"Bug in canonical PATH code");
}
if (paths_are_equivalent(L"/foo/bar/baz", L"foo/bar/baz")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"///foo///bar/baz", L"/foo/bar////baz//")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"/foo/bar/baz", L"/foo/bar/baz")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"/", L"/")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
}
static void test_pager_navigation()
{
say(L"Testing pager navigation");
/* Generate 19 strings of width 10. There's 2 spaces between completions, and our term size is 80; these can therefore fit into 6 columns (6 * 12 - 2 = 70) or 5 columns (58) but not 7 columns (7 * 12 - 2 = 82).
You can simulate this test by creating 19 files named "file00.txt" through "file_18.txt".
*/
completion_list_t completions;
for (size_t i=0; i < 19; i++)
{
append_completion(completions, L"abcdefghij");
}
pager_t pager;
pager.set_completions(completions);
pager.set_term_size(80, 24);
page_rendering_t render = pager.render();
if (render.term_width != 80)
err(L"Wrong term width");
if (render.term_height != 24)
err(L"Wrong term height");
size_t rows = 4, cols = 5;
/* We have 19 completions. We can fit into 6 columns with 4 rows or 5 columns with 4 rows; the second one is better and so is what we ought to have picked. */
if (render.rows != rows)
err(L"Wrong row count");
if (render.cols != cols)
err(L"Wrong column count");
/* Initially expect to have no completion index */
if (render.selected_completion_idx != (size_t)(-1))
{
err(L"Wrong initial selection");
}
/* Here are navigation directions and where we expect the selection to be */
const struct
{
selection_direction_t dir;
size_t sel;
}
cmds[] =
{
/* Tab completion to get into the list */
{direction_next, 0},
/* Westward motion in upper left wraps along the top row */
{direction_west, 16},
{direction_east, 1},
/* "Next" motion goes down the column */
{direction_next, 2},
{direction_next, 3},
{direction_west, 18},
{direction_east, 3},
{direction_east, 7},
{direction_east, 11},
{direction_east, 15},
{direction_east, 3},
{direction_west, 18},
{direction_east, 3},
/* Eastward motion wraps along the bottom, westward goes to the prior column */
{direction_east, 7},
{direction_east, 11},
{direction_east, 15},
{direction_east, 3},
/* Column memory */
{direction_west, 18},
{direction_south, 15},
{direction_north, 18},
{direction_west, 14},
{direction_south, 15},
{direction_north, 14}
};
for (size_t i=0; i < sizeof cmds / sizeof *cmds; i++)
{
pager.select_next_completion_in_direction(cmds[i].dir, render);
pager.update_rendering(&render);
if (cmds[i].sel != render.selected_completion_idx)
{
err(L"For command %lu, expected selection %lu, but found instead %lu\n", i, cmds[i].sel, render.selected_completion_idx);
}
}
}
enum word_motion_t
{
word_motion_left,
word_motion_right
};
static void test_1_word_motion(word_motion_t motion, move_word_style_t style, const wcstring &test)
{
wcstring command;
std::set<size_t> stops;
// Carets represent stops and should be cut out of the command
for (size_t i=0; i < test.size(); i++)
{
wchar_t wc = test.at(i);
if (wc == L'^')
{
stops.insert(command.size());
}
else
{
command.push_back(wc);
}
}
size_t idx, end;
if (motion == word_motion_left)
{
idx = command.size();
end = 0;
}
else
{
idx = 0;
end = command.size();
}
move_word_state_machine_t sm(style);
while (idx != end)
{
size_t char_idx = (motion == word_motion_left ? idx - 1 : idx);
wchar_t wc = command.at(char_idx);
bool will_stop = ! sm.consume_char(wc);
//printf("idx %lu, looking at %lu (%c): %d\n", idx, char_idx, (char)wc, will_stop);
bool expected_stop = (stops.count(idx) > 0);
if (will_stop != expected_stop)
{
wcstring tmp = command;
tmp.insert(idx, L"^");
const char *dir = (motion == word_motion_left ? "left" : "right");
if (will_stop)
{
err(L"Word motion: moving %s, unexpected stop at idx %lu: '%ls'", dir, idx, tmp.c_str());
}
else if (! will_stop && expected_stop)
{
err(L"Word motion: moving %s, should have stopped at idx %lu: '%ls'", dir, idx, tmp.c_str());
}
}
// We don't expect to stop here next time
if (expected_stop)
{
stops.erase(idx);
}
if (will_stop)
{
sm.reset();
}
else
{
idx += (motion == word_motion_left ? -1 : 1);
}
}
}
/** Test word motion (forward-word, etc.). Carets represent cursor stops. */
static void test_word_motion()
{
say(L"Testing word motion");
test_1_word_motion(word_motion_left, move_word_style_punctuation, L"^echo ^hello_^world.^txt");
test_1_word_motion(word_motion_right, move_word_style_punctuation, L"echo^ hello^_world^.txt^");
test_1_word_motion(word_motion_left, move_word_style_punctuation, L"echo ^foo_^foo_^foo/^/^/^/^/^ ");
test_1_word_motion(word_motion_right, move_word_style_punctuation, L"echo^ foo^_foo^_foo^/^/^/^/^/ ^");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^/^foo/^bar/^baz/");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo ^--foo ^--bar");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo ^hi ^> /^dev/^null");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo /^foo/^bar{^aaa,^bbb,^ccc}^bak/");
}
/** Test is_potential_path */
static void test_is_potential_path()
{
say(L"Testing is_potential_path");
if (system("rm -Rf /tmp/is_potential_path_test/"))
{
err(L"Failed to remove /tmp/is_potential_path_test/");
}
/* Directories */
if (system("mkdir -p /tmp/is_potential_path_test/alpha/")) err(L"mkdir failed");
if (system("mkdir -p /tmp/is_potential_path_test/beta/")) err(L"mkdir failed");
/* Files */
if (system("touch /tmp/is_potential_path_test/aardvark")) err(L"touch failed");
if (system("touch /tmp/is_potential_path_test/gamma")) err(L"touch failed");
const wcstring wd = L"/tmp/is_potential_path_test/";
const wcstring_list_t wds(1, wd);
wcstring tmp;
do_test(is_potential_path(L"al", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"alpha/");
do_test(is_potential_path(L"alpha/", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"alpha/");
do_test(is_potential_path(L"aard", wds, 0, &tmp) && tmp == L"aardvark");
do_test(! is_potential_path(L"balpha/", wds, PATH_REQUIRE_DIR, &tmp));
do_test(! is_potential_path(L"aard", wds, PATH_REQUIRE_DIR, &tmp));
do_test(! is_potential_path(L"aarde", wds, PATH_REQUIRE_DIR, &tmp));
do_test(! is_potential_path(L"aarde", wds, 0, &tmp));
do_test(is_potential_path(L"/tmp/is_potential_path_test/aardvark", wds, 0, &tmp) && tmp == L"/tmp/is_potential_path_test/aardvark");
do_test(is_potential_path(L"/tmp/is_potential_path_test/al", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"/tmp/is_potential_path_test/alpha/");
do_test(is_potential_path(L"/tmp/is_potential_path_test/aardv", wds, 0, &tmp) && tmp == L"/tmp/is_potential_path_test/aardvark");
do_test(! is_potential_path(L"/tmp/is_potential_path_test/aardvark", wds, PATH_REQUIRE_DIR, &tmp));
do_test(! is_potential_path(L"/tmp/is_potential_path_test/al/", wds, 0, &tmp));
do_test(! is_potential_path(L"/tmp/is_potential_path_test/ar", wds, 0, &tmp));
do_test(is_potential_path(L"/usr", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"/usr/");
}
/** Test the 'test' builtin */
int builtin_test(parser_t &parser, wchar_t **argv);
static bool run_one_test_test(int expected, wcstring_list_t &lst, bool bracket)
{
parser_t parser(PARSER_TYPE_GENERAL, true);
size_t i, count = lst.size();
wchar_t **argv = new wchar_t *[count+3];
argv[0] = (wchar_t *)(bracket ? L"[" : L"test");
for (i=0; i < count; i++)
{
argv[i+1] = (wchar_t *)lst.at(i).c_str();
}
if (bracket)
{
argv[i+1] = (wchar_t *)L"]";
i++;
}
argv[i+1] = NULL;
int result = builtin_test(parser, argv);
delete[] argv;
return expected == result;
}
static bool run_test_test(int expected, const wcstring &str)
{
using namespace std;
wcstring_list_t lst;
wistringstream iss(str);
copy(istream_iterator<wcstring, wchar_t, std::char_traits<wchar_t> >(iss),
istream_iterator<wstring, wchar_t, std::char_traits<wchar_t> >(),
back_inserter<vector<wcstring> >(lst));
bool bracket = run_one_test_test(expected, lst, true);
bool nonbracket = run_one_test_test(expected, lst, false);
do_test(bracket == nonbracket);
return nonbracket;
}
static void test_test_brackets()
{
// Ensure [ knows it needs a ]
parser_t parser(PARSER_TYPE_GENERAL, true);
const wchar_t *argv1[] = {L"[", L"foo", NULL};
do_test(builtin_test(parser, (wchar_t **)argv1) != 0);
const wchar_t *argv2[] = {L"[", L"foo", L"]", NULL};
do_test(builtin_test(parser, (wchar_t **)argv2) == 0);
const wchar_t *argv3[] = {L"[", L"foo", L"]", L"bar", NULL};
do_test(builtin_test(parser, (wchar_t **)argv3) != 0);
}
static void test_test()
{
say(L"Testing test builtin");
test_test_brackets();
do_test(run_test_test(0, L"5 -ne 6"));
do_test(run_test_test(0, L"5 -eq 5"));
do_test(run_test_test(0, L"0 -eq 0"));
do_test(run_test_test(0, L"-1 -eq -1"));
do_test(run_test_test(0, L"1 -ne -1"));
do_test(run_test_test(1, L"-1 -ne -1"));
do_test(run_test_test(0, L"abc != def"));
do_test(run_test_test(1, L"abc = def"));
do_test(run_test_test(0, L"5 -le 10"));
do_test(run_test_test(0, L"10 -le 10"));
do_test(run_test_test(1, L"20 -le 10"));
do_test(run_test_test(0, L"-1 -le 0"));
do_test(run_test_test(1, L"0 -le -1"));
do_test(run_test_test(0, L"15 -ge 10"));
do_test(run_test_test(0, L"15 -ge 10"));
do_test(run_test_test(1, L"! 15 -ge 10"));
do_test(run_test_test(0, L"! ! 15 -ge 10"));
do_test(run_test_test(0, L"0 -ne 1 -a 0 -eq 0"));
do_test(run_test_test(0, L"0 -ne 1 -a -n 5"));
do_test(run_test_test(0, L"-n 5 -a 10 -gt 5"));
do_test(run_test_test(0, L"-n 3 -a -n 5"));
/* test precedence:
'0 == 0 || 0 == 1 && 0 == 2'
should be evaluated as:
'0 == 0 || (0 == 1 && 0 == 2)'
and therefore true. If it were
'(0 == 0 || 0 == 1) && 0 == 2'
it would be false. */
do_test(run_test_test(0, L"0 = 0 -o 0 = 1 -a 0 = 2"));
do_test(run_test_test(0, L"-n 5 -o 0 = 1 -a 0 = 2"));
do_test(run_test_test(1, L"( 0 = 0 -o 0 = 1 ) -a 0 = 2"));
do_test(run_test_test(0, L"0 = 0 -o ( 0 = 1 -a 0 = 2 )"));
/* A few lame tests for permissions; these need to be a lot more complete. */
do_test(run_test_test(0, L"-e /bin/ls"));
do_test(run_test_test(1, L"-e /bin/ls_not_a_path"));
do_test(run_test_test(0, L"-x /bin/ls"));
do_test(run_test_test(1, L"-x /bin/ls_not_a_path"));
do_test(run_test_test(0, L"-d /bin/"));
do_test(run_test_test(1, L"-d /bin/ls"));
/* This failed at one point */
do_test(run_test_test(1, L"-d /bin -a 5 -eq 3"));
do_test(run_test_test(0, L"-d /bin -o 5 -eq 3"));
do_test(run_test_test(0, L"-d /bin -a ! 5 -eq 3"));
/* We didn't properly handle multiple "just strings" either */
do_test(run_test_test(0, L"foo"));
do_test(run_test_test(0, L"foo -a bar"));
/* These should be errors */
do_test(run_test_test(1, L"foo bar"));
do_test(run_test_test(1, L"foo bar baz"));
/* This crashed */
do_test(run_test_test(1, L"1 = 1 -a = 1"));
/* Make sure we can treat -S as a parameter instead of an operator. https://github.com/fish-shell/fish-shell/issues/601 */
do_test(run_test_test(0, L"-S = -S"));
do_test(run_test_test(1, L"! ! ! A"));
}
/** Testing colors */
static void test_colors()
{
say(L"Testing colors");
do_test(rgb_color_t(L"#FF00A0").is_rgb());
do_test(rgb_color_t(L"FF00A0").is_rgb());
do_test(rgb_color_t(L"#F30").is_rgb());
do_test(rgb_color_t(L"F30").is_rgb());
do_test(rgb_color_t(L"f30").is_rgb());
do_test(rgb_color_t(L"#FF30a5").is_rgb());
do_test(rgb_color_t(L"3f30").is_none());
do_test(rgb_color_t(L"##f30").is_none());
do_test(rgb_color_t(L"magenta").is_named());
do_test(rgb_color_t(L"MaGeNTa").is_named());
do_test(rgb_color_t(L"mooganta").is_none());
}
static void test_complete(void)
{
say(L"Testing complete");
const wchar_t *name_strs[] = {L"Foo1", L"Foo2", L"Foo3", L"Bar1", L"Bar2", L"Bar3"};
size_t count = sizeof name_strs / sizeof *name_strs;
const wcstring_list_t names(name_strs, name_strs + count);
complete_set_variable_names(&names);
std::vector<completion_t> completions;
complete(L"$F", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 3);
do_test(completions.at(0).completion == L"oo1");
do_test(completions.at(1).completion == L"oo2");
do_test(completions.at(2).completion == L"oo3");
completions.clear();
complete(L"$1", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.empty());
completions.clear();
complete(L"$1", completions, COMPLETION_REQUEST_DEFAULT | COMPLETION_REQUEST_FUZZY_MATCH);
do_test(completions.size() == 2);
do_test(completions.at(0).completion == L"$Foo1");
do_test(completions.at(1).completion == L"$Bar1");
completions.clear();
complete(L"echo (/bin/mkdi", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 1);
do_test(completions.at(0).completion == L"r");
completions.clear();
complete(L"echo (ls /bin/mkdi", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 1);
do_test(completions.at(0).completion == L"r");
completions.clear();
complete(L"echo (command ls /bin/mkdi", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 1);
do_test(completions.at(0).completion == L"r");
/* Add a function and test completing it in various ways */
struct function_data_t func_data;
func_data.name = L"scuttlebutt";
func_data.definition = L"echo gongoozle";
function_add(func_data, parser_t::principal_parser());
/* Complete a function name */
completions.clear();
complete(L"echo (scuttlebut", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 1);
do_test(completions.at(0).completion == L"t");
/* But not with the command prefix */
completions.clear();
complete(L"echo (command scuttlebut", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 0);
/* Not with the builtin prefix */
completions.clear();
complete(L"echo (builtin scuttlebut", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 0);
/* Not after a redirection */
completions.clear();
complete(L"echo hi > scuttlebut", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 0);
/* Trailing spaces (#1261) */
complete_add(L"foobarbaz", false, 0, NULL, 0, NO_FILES, NULL, L"qux", NULL, COMPLETE_AUTO_SPACE);
completions.clear();
complete(L"foobarbaz ", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.size() == 1);
do_test(completions.at(0).completion == L"qux");
/* Don't complete variable names in single quotes (#1023) */
completions.clear();
complete(L"echo '$Foo", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.empty());
completions.clear();
complete(L"echo \\$Foo", completions, COMPLETION_REQUEST_DEFAULT);
do_test(completions.empty());
complete_set_variable_names(NULL);
}
static void test_1_completion(wcstring line, const wcstring &completion, complete_flags_t flags, bool append_only, wcstring expected, long source_line)
{
// str is given with a caret, which we use to represent the cursor position
// find it
const size_t in_cursor_pos = line.find(L'^');
do_test(in_cursor_pos != wcstring::npos);
line.erase(in_cursor_pos, 1);
const size_t out_cursor_pos = expected.find(L'^');
do_test(out_cursor_pos != wcstring::npos);
expected.erase(out_cursor_pos, 1);
size_t cursor_pos = in_cursor_pos;
wcstring result = completion_apply_to_command_line(completion, flags, line, &cursor_pos, append_only);
if (result != expected)
{
fprintf(stderr, "line %ld: %ls + %ls -> [%ls], expected [%ls]\n", source_line, line.c_str(), completion.c_str(), result.c_str(), expected.c_str());
}
do_test(result == expected);
do_test(cursor_pos == out_cursor_pos);
}
static void test_completion_insertions()
{
#define TEST_1_COMPLETION(a, b, c, d, e) test_1_completion(a, b, c, d, e, __LINE__)
say(L"Testing completion insertions");
TEST_1_COMPLETION(L"foo^", L"bar", 0, false, L"foobar ^");
TEST_1_COMPLETION(L"foo^ baz", L"bar", 0, false, L"foobar ^ baz"); //we really do want to insert two spaces here - otherwise it's hidden by the cursor
TEST_1_COMPLETION(L"'foo^", L"bar", 0, false, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo'^", L"bar", 0, false, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", 0, false, L"'foo\\'bar' ^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", 0, false, L"foo\\'bar ^");
// Test append only
TEST_1_COMPLETION(L"foo^", L"bar", 0, true, L"foobar ^");
TEST_1_COMPLETION(L"foo^ baz", L"bar", 0, true, L"foobar ^ baz");
TEST_1_COMPLETION(L"'foo^", L"bar", 0, true, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo'^", L"bar", 0, true, L"'foo'bar ^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", 0, true, L"'foo\\'bar' ^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", 0, true, L"foo\\'bar ^");
TEST_1_COMPLETION(L"foo^", L"bar", COMPLETE_NO_SPACE, false, L"foobar^");
TEST_1_COMPLETION(L"'foo^", L"bar", COMPLETE_NO_SPACE, false, L"'foobar^");
TEST_1_COMPLETION(L"'foo'^", L"bar", COMPLETE_NO_SPACE, false, L"'foobar'^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", COMPLETE_NO_SPACE, false, L"'foo\\'bar^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", COMPLETE_NO_SPACE, false, L"foo\\'bar^");
TEST_1_COMPLETION(L"foo^", L"bar", COMPLETE_REPLACES_TOKEN, false, L"bar ^");
TEST_1_COMPLETION(L"'foo^", L"bar", COMPLETE_REPLACES_TOKEN, false, L"bar ^");
}
static void perform_one_autosuggestion_test(const wcstring &command, const wcstring &wd, const wcstring &expected, long line)
{
wcstring suggestion;
bool success = autosuggest_suggest_special(command, wd, suggestion);
if (! success)
{
printf("line %ld: autosuggest_suggest_special() failed for command %ls\n", line, command.c_str());
do_test(success);
}
if (suggestion != expected)
{
printf("line %ld: autosuggest_suggest_special() returned the wrong expected string for command %ls\n", line, command.c_str());
printf(" actual: %ls\n", suggestion.c_str());
printf("expected: %ls\n", expected.c_str());
do_test(suggestion == expected);
}
}
/* Testing test_autosuggest_suggest_special, in particular for properly handling quotes and backslashes */
static void test_autosuggest_suggest_special()
{
if (system("mkdir -p '/tmp/autosuggest_test/0foobar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/1foo bar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/2foo bar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/3foo\\bar'")) err(L"mkdir failed");
if (system("mkdir -p /tmp/autosuggest_test/4foo\\'bar")) err(L"mkdir failed"); //a path with a single quote
if (system("mkdir -p /tmp/autosuggest_test/5foo\\\"bar")) err(L"mkdir failed"); //a path with a double quote
if (system("mkdir -p ~/test_autosuggest_suggest_special/")) err(L"mkdir failed"); //make sure tilde is handled
const wcstring wd = L"/tmp/autosuggest_test/";
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/0", wd, L"cd /tmp/autosuggest_test/0foobar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/0", wd, L"cd \"/tmp/autosuggest_test/0foobar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/0", wd, L"cd '/tmp/autosuggest_test/0foobar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 0", wd, L"cd 0foobar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"0", wd, L"cd \"0foobar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '0", wd, L"cd '0foobar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/1", wd, L"cd /tmp/autosuggest_test/1foo\\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/1", wd, L"cd \"/tmp/autosuggest_test/1foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/1", wd, L"cd '/tmp/autosuggest_test/1foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 1", wd, L"cd 1foo\\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"1", wd, L"cd \"1foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '1", wd, L"cd '1foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/2", wd, L"cd /tmp/autosuggest_test/2foo\\ \\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/2", wd, L"cd \"/tmp/autosuggest_test/2foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/2", wd, L"cd '/tmp/autosuggest_test/2foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 2", wd, L"cd 2foo\\ \\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"2", wd, L"cd \"2foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '2", wd, L"cd '2foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/3", wd, L"cd /tmp/autosuggest_test/3foo\\\\bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/3", wd, L"cd \"/tmp/autosuggest_test/3foo\\bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/3", wd, L"cd '/tmp/autosuggest_test/3foo\\bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 3", wd, L"cd 3foo\\\\bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"3", wd, L"cd \"3foo\\bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '3", wd, L"cd '3foo\\bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/4", wd, L"cd /tmp/autosuggest_test/4foo\\'bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/4", wd, L"cd \"/tmp/autosuggest_test/4foo'bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/4", wd, L"cd '/tmp/autosuggest_test/4foo\\'bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 4", wd, L"cd 4foo\\'bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"4", wd, L"cd \"4foo'bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '4", wd, L"cd '4foo\\'bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/5", wd, L"cd /tmp/autosuggest_test/5foo\\\"bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/5", wd, L"cd \"/tmp/autosuggest_test/5foo\\\"bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/5", wd, L"cd '/tmp/autosuggest_test/5foo\"bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 5", wd, L"cd 5foo\\\"bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"5", wd, L"cd \"5foo\\\"bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '5", wd, L"cd '5foo\"bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd ~/test_autosuggest_suggest_specia", wd, L"cd ~/test_autosuggest_suggest_special/", __LINE__);
// A single quote should defeat tilde expansion
perform_one_autosuggestion_test(L"cd '~/test_autosuggest_suggest_specia'", wd, L"", __LINE__);
if (system("rm -Rf '/tmp/autosuggest_test/'")) err(L"rm failed");
if (system("rm -Rf ~/test_autosuggest_suggest_special/")) err(L"rm failed");
}
static void test_autosuggestion_combining()
{
say(L"Testing autosuggestion combining");
do_test(combine_command_and_autosuggestion(L"alpha", L"alphabeta") == L"alphabeta");
// when the last token contains no capital letters, we use the case of the autosuggestion
do_test(combine_command_and_autosuggestion(L"alpha", L"ALPHABETA") == L"ALPHABETA");
// when the last token contains capital letters, we use its case
do_test(combine_command_and_autosuggestion(L"alPha", L"alphabeTa") == L"alPhabeTa");
// if autosuggestion is not longer than input, use the input's case
do_test(combine_command_and_autosuggestion(L"alpha", L"ALPHAA") == L"ALPHAA");
do_test(combine_command_and_autosuggestion(L"alpha", L"ALPHA") == L"alpha");
}
/**
Test speed of completion calculations
*/
void perf_complete()
{
wchar_t c;
std::vector<completion_t> out;
long long t1, t2;
int matches=0;
double t;
wchar_t str[3]=
{
0, 0, 0
}
;
int i;
say(L"Testing completion performance");
reader_push(L"");
say(L"Here we go");
t1 = get_time();
for (c=L'a'; c<=L'z'; c++)
{
str[0]=c;
reader_set_buffer(str, 0);
complete(str, out, COMPLETION_REQUEST_DEFAULT);
matches += out.size();
out.clear();
}
t2=get_time();
t = (double)(t2-t1)/(1000000*26);
say(L"One letter command completion took %f seconds per completion, %f microseconds/match", t, (double)(t2-t1)/matches);
matches=0;
t1 = get_time();
for (i=0; i<LAPS; i++)
{
str[0]='a'+(rand()%26);
str[1]='a'+(rand()%26);
reader_set_buffer(str, 0);
complete(str, out, COMPLETION_REQUEST_DEFAULT);
matches += out.size();
out.clear();
}
t2=get_time();
t = (double)(t2-t1)/(1000000*LAPS);
say(L"Two letter command completion took %f seconds per completion, %f microseconds/match", t, (double)(t2-t1)/matches);
reader_pop();
}
static void test_history_matches(history_search_t &search, size_t matches)
{
size_t i;
for (i=0; i < matches; i++)
{
do_test(search.go_backwards());
wcstring item = search.current_string();
}
do_test(! search.go_backwards());
for (i=1; i < matches; i++)
{
do_test(search.go_forwards());
}
do_test(! search.go_forwards());
}
static bool history_contains(history_t *history, const wcstring &txt)
{
bool result = false;
size_t i;
for (i=1; ; i++)
{
history_item_t item = history->item_at_index(i);
if (item.empty())
break;
if (item.str() == txt)
{
result = true;
break;
}
}
return result;
}
static void test_input()
{
say(L"Testing input");
/* Ensure sequences are order independent. Here we add two bindings where the first is a prefix of the second, and then emit the second key list. The second binding should be invoked, not the first! */
wcstring prefix_binding = L"qqqqqqqa";
wcstring desired_binding = prefix_binding + L'a';
input_mapping_add(prefix_binding.c_str(), L"up-line");
input_mapping_add(desired_binding.c_str(), L"down-line");
/* Push the desired binding on the stack (backwards!) */
size_t idx = desired_binding.size();
while (idx--)
{
input_unreadch(desired_binding.at(idx));
}
/* Now test */
wint_t c = input_readch();
if (c != R_DOWN_LINE)
{
err(L"Expected to read char R_DOWN_LINE, but instead got %ls\n", describe_char(c).c_str());
}
}
#define UVARS_PER_THREAD 8
#define UVARS_TEST_PATH L"/tmp/fish_uvars_test/varsfile.txt"
static int test_universal_helper(int *x)
{
env_universal_t uvars(UVARS_TEST_PATH);
for (int j=0; j < UVARS_PER_THREAD; j++)
{
const wcstring key = format_string(L"key_%d_%d", *x, j);
const wcstring val = format_string(L"val_%d_%d", *x, j);
uvars.set(key, val, false);
bool synced = uvars.sync(NULL);
if (! synced)
{
err(L"Failed to sync universal variables");
}
fputc('.', stderr);
}
/* Last step is to delete the first key */
uvars.remove(format_string(L"key_%d_%d", *x, 0));
bool synced = uvars.sync(NULL);
if (! synced)
{
err(L"Failed to sync universal variables");
}
fputc('.', stderr);
return 0;
}
static void test_universal()
{
say(L"Testing universal variables");
if (system("mkdir -p /tmp/fish_uvars_test/")) err(L"mkdir failed");
const int threads = 16;
for (int i=0; i < threads; i++)
{
iothread_perform(test_universal_helper, (void (*)(int *, int))NULL, new int(i));
}
iothread_drain_all();
env_universal_t uvars(UVARS_TEST_PATH);
bool loaded = uvars.load();
if (! loaded)
{
err(L"Failed to load universal variables");
}
for (int i=0; i < threads; i++)
{
for (int j=0; j < UVARS_PER_THREAD; j++)
{
const wcstring key = format_string(L"key_%d_%d", i, j);
env_var_t expected_val;
if (j == 0)
{
expected_val = env_var_t::missing_var();
}
else
{
expected_val = format_string(L"val_%d_%d", i, j);
}
const env_var_t var = uvars.get(key);
if (j == 0)
{
assert(expected_val.missing());
}
if (var != expected_val)
{
const wchar_t *missing_desc = L"<missing>";
err(L"Wrong value for key %ls: expected %ls, got %ls\n", key.c_str(), (expected_val.missing() ? missing_desc : expected_val.c_str()), (var.missing() ? missing_desc : var.c_str()));
}
}
}
if (system("rm -Rf /tmp/fish_uvars_test")) err(L"rrm failed");
putc('\n', stderr);
}
bool poll_notifier(universal_notifier_t *note)
{
bool result = false;
if (note->usec_delay_between_polls() > 0)
{
result = note->poll();
}
int fd = note->notification_fd();
if (! result && fd >= 0)
{
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
struct timeval tv = {0, 0};
if (select(fd + 1, &fds, NULL, NULL, &tv) > 0 && FD_ISSET(fd, &fds))
{
result = note->notification_fd_became_readable(fd);
}
}
return result;
}
static void trigger_or_wait_for_notification(universal_notifier_t *notifier, universal_notifier_t::notifier_strategy_t strategy)
{
switch (strategy)
{
case universal_notifier_t::strategy_default:
assert(0 && "strategy_default should be passed");
break;
case universal_notifier_t::strategy_shmem_polling:
// nothing required
break;
case universal_notifier_t::strategy_notifyd:
// notifyd requires a round trip to the notifyd server, which means we have to wait a little bit to receive it
// In practice, this seems to be enough
usleep(1000000 / 25);
break;
case universal_notifier_t::strategy_named_pipe:
case universal_notifier_t::strategy_null:
break;
case universal_notifier_t::strategy_inotify:
{
// Hacktastic. Replace the file, then wait
char cmd[512];
sprintf(cmd, "touch %ls ; mv %ls %ls", UVARS_TEST_PATH L".tmp", UVARS_TEST_PATH ".tmp", UVARS_TEST_PATH);
if (system(cmd)) err(L"Command failed: %s", cmd);
usleep(1000000 / 25);
break;
}
}
}
static void test_notifiers_with_strategy(universal_notifier_t::notifier_strategy_t strategy)
{
assert(strategy != universal_notifier_t::strategy_default);
say(L"Testing universal notifiers with strategy %d", (int)strategy);
universal_notifier_t *notifiers[16];
size_t notifier_count = sizeof notifiers / sizeof *notifiers;
// Populate array of notifiers
for (size_t i=0; i < notifier_count; i++)
{
notifiers[i] = universal_notifier_t::new_notifier_for_strategy(strategy, UVARS_TEST_PATH);
}
// Nobody should poll yet
for (size_t i=0; i < notifier_count; i++)
{
if (poll_notifier(notifiers[i]))
{
err(L"Universal variable notifier polled true before any changes, with strategy %d", (int)strategy);
}
}
// Tweak each notifier. Verify that others see it.
for (size_t post_idx=0; post_idx < notifier_count; post_idx++)
{
notifiers[post_idx]->post_notification();
// Do special stuff to "trigger" a notification for testing
trigger_or_wait_for_notification(notifiers[post_idx], strategy);
for (size_t i=0; i < notifier_count; i++)
{
// We aren't concerned with the one who posted
// Poll from it (to drain it), and then skip it
if (i == post_idx)
{
poll_notifier(notifiers[i]);
continue;
}
if (! poll_notifier(notifiers[i]))
{
err(L"Universal variable notifier (%lu) %p polled failed to notice changes, with strategy %d", i, notifiers[i], (int)strategy);
}
}
// Named pipes have special cleanup requirements
if (strategy == universal_notifier_t::strategy_named_pipe)
{
usleep(1000000 / 10); //corresponds to NAMED_PIPE_FLASH_DURATION_USEC
// Have to clean up the posted one first, so that the others see the pipe become no longer readable
poll_notifier(notifiers[post_idx]);
for (size_t i=0; i < notifier_count; i++)
{
poll_notifier(notifiers[i]);
}
}
}
// Nobody should poll now
for (size_t i=0; i < notifier_count; i++)
{
if (poll_notifier(notifiers[i]))
{
err(L"Universal variable notifier polled true after all changes, with strategy %d", (int)strategy);
}
}
// Clean up
for (size_t i=0; i < notifier_count; i++)
{
delete notifiers[i];
}
}
#if HAVE_INOTIFY_INIT
#define INOTIFY_TEST_PATH "/tmp/inotify_test.tmp"
__attribute__((unused))
static bool test_basic_inotify_support()
{
bool inotify_works = true;
int fd = inotify_init();
if (fd < 0)
{
err(L"inotify_init failed");
}
/* Mark fd as nonblocking */
int flags = fcntl(fd, F_GETFL, 0);
if (flags == -1)
{
err(L"fcntl GETFL failed");
}
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1)
{
err(L"fcntl SETFL failed");
}
if (system("touch " INOTIFY_TEST_PATH))
{
err(L"touch failed");
}
/* Add file to watch list */
int wd = inotify_add_watch(fd, INOTIFY_TEST_PATH, IN_DELETE | IN_DELETE_SELF);
if (wd < 0)
{
err(L"inotify_add_watch failed: %s", strerror(errno));
}
/* Delete file */
if (system("rm " INOTIFY_TEST_PATH))
{
err(L"rm failed");
}
/* Verify that file is deleted */
struct stat statbuf;
if (stat(INOTIFY_TEST_PATH, &statbuf) != -1 || errno != ENOENT)
{
err(L"File at path " INOTIFY_TEST_PATH " still exists after deleting it");
}
/* The fd should be readable now or very shortly */
struct timeval tv = {1, 0};
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
int count = select(fd + 1, &fds, NULL, NULL, &tv);
if (count == 0 || ! FD_ISSET(fd, &fds))
{
inotify_works = false;
err(L"inotify file descriptor not readable. Is inotify busted?");
struct utsname version = {};
uname(&version);
fprintf(stderr, "kernel version %s - %s\n", version.release, version.version);
}
else
{
fprintf(stderr, "inotify seems OK\n");
}
if (fd >= 0)
{
close(fd);
}
return inotify_works;
}
#endif
static void test_universal_notifiers()
{
if (system("mkdir -p /tmp/fish_uvars_test/ && touch /tmp/fish_uvars_test/varsfile.txt")) err(L"mkdir failed");
test_notifiers_with_strategy(universal_notifier_t::strategy_shmem_polling);
test_notifiers_with_strategy(universal_notifier_t::strategy_named_pipe);
#if __APPLE__
test_notifiers_with_strategy(universal_notifier_t::strategy_notifyd);
#endif
// inotify test disabled pending investigation into why this fails on travis-ci
// https://github.com/travis-ci/travis-ci/issues/2342
#if 0
#if HAVE_INOTIFY_INIT
test_basic_inotify_support();
test_notifiers_with_strategy(universal_notifier_t::strategy_inotify);
#endif
#endif
if (system("rm -Rf /tmp/fish_uvars_test/")) err(L"rm failed");
}
class history_tests_t
{
public:
static void test_history(void);
static void test_history_merge(void);
static void test_history_formats(void);
static void test_history_speed(void);
static void test_history_races(void);
static void test_history_races_pound_on_history();
};
static wcstring random_string(void)
{
wcstring result;
size_t max = 1 + rand() % 32;
while (max--)
{
wchar_t c = 1 + rand()%ESCAPE_TEST_CHAR;
result.push_back(c);
}
return result;
}
void history_tests_t::test_history(void)
{
say(L"Testing history");
history_t &history = history_t::history_with_name(L"test_history");
history.clear();
history.add(L"Gamma");
history.add(L"Beta");
history.add(L"Alpha");
/* All three items match "a" */
history_search_t search1(history, L"a");
test_history_matches(search1, 3);
do_test(search1.current_string() == L"Alpha");
/* One item matches "et" */
history_search_t search2(history, L"et");
test_history_matches(search2, 1);
do_test(search2.current_string() == L"Beta");
/* Test item removal */
history.remove(L"Alpha");
history_search_t search3(history, L"Alpha");
test_history_matches(search3, 0);
/* Test history escaping and unescaping, yaml, etc. */
history_item_list_t before, after;
history.clear();
size_t i, max = 100;
for (i=1; i <= max; i++)
{
/* Generate a value */
wcstring value = wcstring(L"test item ") + to_string(i);
/* Maybe add some backslashes */
if (i % 3 == 0)
value.append(L"(slashies \\\\\\ slashies)");
/* Generate some paths */
path_list_t paths;
size_t count = rand() % 6;
while (count--)
{
paths.push_back(random_string());
}
/* Record this item */
history_item_t item(value, time(NULL));
item.required_paths = paths;
before.push_back(item);
history.add(item);
}
history.save();
/* Read items back in reverse order and ensure they're the same */
for (i=100; i >= 1; i--)
{
history_item_t item = history.item_at_index(i);
do_test(! item.empty());
after.push_back(item);
}
do_test(before.size() == after.size());
for (size_t i=0; i < before.size(); i++)
{
const history_item_t &bef = before.at(i), &aft = after.at(i);
do_test(bef.contents == aft.contents);
do_test(bef.creation_timestamp == aft.creation_timestamp);
do_test(bef.required_paths == aft.required_paths);
}
/* Clean up after our tests */
history.clear();
}
// wait until the next second
static void time_barrier(void)
{
time_t start = time(NULL);
do
{
usleep(1000);
}
while (time(NULL) == start);
}
static wcstring_list_t generate_history_lines(int pid)
{
wcstring_list_t result;
long max = 256;
result.reserve(max);
for (long i=0; i < max; i++)
{
result.push_back(format_string(L"%ld %ld", (long)pid, i));
}
return result;
}
void history_tests_t::test_history_races_pound_on_history()
{
/* Called in child process to modify history */
history_t *hist = new history_t(L"race_test");
hist->chaos_mode = true;
const wcstring_list_t lines = generate_history_lines(getpid());
for (size_t idx = 0; idx < lines.size(); idx++)
{
const wcstring &line = lines.at(idx);
hist->add(line);
hist->save();
}
delete hist;
}
void history_tests_t::test_history_races(void)
{
say(L"Testing history race conditions");
// Ensure history is clear
history_t *hist = new history_t(L"race_test");
hist->clear();
delete hist;
// Test concurrent history writing
#define RACE_COUNT 10
pid_t children[RACE_COUNT];
for (size_t i=0; i < RACE_COUNT; i++)
{
pid_t pid = fork();
if (! pid)
{
// Child process
setup_fork_guards();
test_history_races_pound_on_history();
exit_without_destructors(0);
}
else
{
// Parent process
children[i] = pid;
}
}
// Wait for all children
for (size_t i=0; i < RACE_COUNT; i++)
{
int stat;
waitpid(children[i], &stat, WUNTRACED);
}
// Compute the expected lines
wcstring_list_t lines[RACE_COUNT];
for (size_t i=0; i < RACE_COUNT; i++)
{
lines[i] = generate_history_lines(children[i]);
}
// Count total lines
size_t line_count = 0;
for (size_t i=0; i < RACE_COUNT; i++)
{
line_count += lines[i].size();
}
// Ensure we consider the lines that have been outputted as part of our history
time_barrier();
/* Ensure that we got sane, sorted results */
hist = new history_t(L"race_test");
hist->chaos_mode = true;
size_t hist_idx;
for (hist_idx = 1; ; hist_idx ++)
{
history_item_t item = hist->item_at_index(hist_idx);
if (item.empty())
break;
// The item must be present in one of our 'lines' arrays
// If it is present, then every item after it is assumed to be missed
size_t i;
for (i=0; i < RACE_COUNT; i++)
{
wcstring_list_t::iterator where = std::find(lines[i].begin(), lines[i].end(), item.str());
if (where != lines[i].end())
{
// Delete everything from the found location onwards
lines[i].resize(where - lines[i].begin());
// Break because we found it
break;
}
}
if (i >= RACE_COUNT)
{
err(L"Line '%ls' found in history not found in some array", item.str().c_str());
}
}
// every write should add at least one item
do_test(hist_idx >= RACE_COUNT);
//hist->clear();
delete hist;
}
void history_tests_t::test_history_merge(void)
{
// In a single fish process, only one history is allowed to exist with the given name
// But it's common to have multiple history instances with the same name active in different processes,
// e.g. when you have multiple shells open.
// We try to get that right and merge all their history together. Test that case.
say(L"Testing history merge");
const size_t count = 3;
const wcstring name = L"merge_test";
history_t *hists[count] = {new history_t(name), new history_t(name), new history_t(name)};
wcstring texts[count] = {L"History 1", L"History 2", L"History 3"};
/* Make sure history is clear */
for (size_t i=0; i < count; i++)
{
hists[i]->clear();
}
/* Make sure we don't add an item in the same second as we created the history */
time_barrier();
/* Add a different item to each */
for (size_t i=0; i < count; i++)
{
hists[i]->add(texts[i]);
}
/* Save them */
for (size_t i=0; i < count; i++)
{
hists[i]->save();
}
/* Make sure each history contains what it ought to, but they have not leaked into each other */
for (size_t i = 0; i < count; i++)
{
for (size_t j=0; j < count; j++)
{
bool does_contain = history_contains(hists[i], texts[j]);
bool should_contain = (i == j);
do_test(should_contain == does_contain);
}
}
/* Make a new history. It should contain everything. The time_barrier() is so that the timestamp is newer, since we only pick up items whose timestamp is before the birth stamp. */
time_barrier();
history_t *everything = new history_t(name);
for (size_t i=0; i < count; i++)
{
do_test(history_contains(everything, texts[i]));
}
/* Clean up */
for (size_t i=0; i < 3; i++)
{
delete hists[i];
}
everything->clear();
delete everything; //not as scary as it looks
}
static bool install_sample_history(const wchar_t *name)
{
char command[512];
snprintf(command, sizeof command, "cp tests/%ls ~/.config/fish/%ls_history", name, name);
if (system(command))
{
err(L"Failed to copy sample history");
return false;
}
return true;
}
/* Indicates whether the history is equal to the given null-terminated array of strings. */
static bool history_equals(history_t &hist, const wchar_t * const *strings)
{
/* Count our expected items */
size_t expected_count = 0;
while (strings[expected_count])
{
expected_count++;
}
/* Ensure the contents are the same */
size_t history_idx = 1;
size_t array_idx = 0;
for (;;)
{
const wchar_t *expected = strings[array_idx];
history_item_t item = hist.item_at_index(history_idx);
if (expected == NULL)
{
if (! item.empty())
{
err(L"Expected empty item at history index %lu", history_idx);
}
break;
}
else
{
if (item.str() != expected)
{
err(L"Expected '%ls', found '%ls' at index %lu", expected, item.str().c_str(), history_idx);
}
}
history_idx++;
array_idx++;
}
return true;
}
void history_tests_t::test_history_formats(void)
{
const wchar_t *name;
// Test inferring and reading legacy and bash history formats
name = L"history_sample_fish_1_x";
say(L"Testing %ls", name);
if (! install_sample_history(name))
{
err(L"Couldn't open file tests/%ls", name);
}
else
{
/* Note: This is backwards from what appears in the file */
const wchar_t * const expected[] =
{
L"#def",
L"echo #abc",
L"function yay\n"
"echo hi\n"
"end",
L"cd foobar",
L"ls /",
NULL
};
history_t &test_history = history_t::history_with_name(name);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for %ls\n", name);
}
test_history.clear();
}
name = L"history_sample_fish_2_0";
say(L"Testing %ls", name);
if (! install_sample_history(name))
{
err(L"Couldn't open file tests/%ls", name);
}
else
{
const wchar_t * const expected[] =
{
L"echo this has\\\nbackslashes",
L"function foo\n"
"echo bar\n"
"end",
L"echo alpha",
NULL
};
history_t &test_history = history_t::history_with_name(name);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for %ls\n", name);
}
test_history.clear();
}
say(L"Testing bash import");
FILE *f = fopen("tests/history_sample_bash", "r");
if (! f)
{
err(L"Couldn't open file tests/history_sample_bash");
}
else
{
// It should skip over the export command since that's a bash-ism
const wchar_t *expected[] =
{
L"echo supsup",
L"history --help",
L"echo foo",
NULL
};
history_t &test_history = history_t::history_with_name(L"bash_import");
test_history.populate_from_bash(f);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for bash import\n");
}
test_history.clear();
fclose(f);
}
}
void history_tests_t::test_history_speed(void)
{
say(L"Testing history speed (pid is %d)", getpid());
history_t *hist = new history_t(L"speed_test");
wcstring item = L"History Speed Test - X";
/* Test for 10 seconds */
double start = timef();
double end = start + 10;
double stop = 0;
size_t count = 0;
for (;;)
{
item[item.size() - 1] = L'0' + (count % 10);
hist->add(item);
count++;
stop = timef();
if (stop >= end)
break;
}
printf("%lu items - %.2f msec per item\n", (unsigned long)count, (stop - start) * 1E6 / count);
hist->clear();
delete hist;
}
static void test_new_parser_correctness(void)
{
say(L"Testing new parser!");
const struct parser_test_t
{
const wchar_t *src;
bool ok;
}
parser_tests[] =
{
{L"; ; ; ", true},
{L"if ; end", false},
{L"if true ; end", true},
{L"if true; end ; end", false},
{L"if end; end ; end", false},
{L"if end", false},
{L"end", false},
{L"for i i", false},
{L"for i in a b c ; end", true}
};
for (size_t i=0; i < sizeof parser_tests / sizeof *parser_tests; i++)
{
const parser_test_t *test = &parser_tests[i];
parse_node_tree_t parse_tree;
bool success = parse_tree_from_string(test->src, parse_flag_none, &parse_tree, NULL);
say(L"%lu / %lu: Parse \"%ls\": %s", i+1, sizeof parser_tests / sizeof *parser_tests, test->src, success ? "yes" : "no");
if (success && ! test->ok)
{
err(L"\"%ls\" should NOT have parsed, but did", test->src);
}
else if (! success && test->ok)
{
err(L"\"%ls\" should have parsed, but failed", test->src);
}
}
say(L"Parse tests complete");
}
/* Given that we have an array of 'fuzz_count' strings, we wish to enumerate all permutations of 'len' values. We do this by incrementing an integer, interpreting it as "base fuzz_count". */
static inline bool string_for_permutation(const wcstring *fuzzes, size_t fuzz_count, size_t len, size_t permutation, wcstring *out_str)
{
out_str->clear();
size_t remaining_permutation = permutation;
for (size_t i=0; i < len; i++)
{
size_t idx = remaining_permutation % fuzz_count;
remaining_permutation /= fuzz_count;
out_str->append(fuzzes[idx]);
out_str->push_back(L' ');
}
// Return false if we wrapped
return remaining_permutation == 0;
}
static void test_new_parser_fuzzing(void)
{
say(L"Fuzzing parser (node size: %lu)", sizeof(parse_node_t));
const wcstring fuzzes[] =
{
L"if",
L"else",
L"for",
L"in",
L"while",
L"begin",
L"function",
L"switch",
L"case",
L"end",
L"and",
L"or",
L"not",
L"command",
L"builtin",
L"foo",
L"|",
L"^",
L"&",
L";",
};
/* Generate a list of strings of all keyword / token combinations. */
wcstring src;
src.reserve(128);
parse_node_tree_t node_tree;
parse_error_list_t errors;
double start = timef();
bool log_it = true;
unsigned long max_len = 5;
for (unsigned long len = 0; len < max_len; len++)
{
if (log_it)
fprintf(stderr, "%lu / %lu...", len, max_len);
/* We wish to look at all permutations of 4 elements of 'fuzzes' (with replacement). Construct an int and keep incrementing it. */
unsigned long permutation = 0;
while (string_for_permutation(fuzzes, sizeof fuzzes / sizeof *fuzzes, len, permutation++, &src))
{
parse_tree_from_string(src, parse_flag_continue_after_error, &node_tree, &errors);
}
if (log_it)
fprintf(stderr, "done (%lu)\n", permutation);
}
double end = timef();
if (log_it)
say(L"All fuzzed in %f seconds!", end - start);
}
// Parse a statement, returning the command, args (joined by spaces), and the decoration. Returns true if successful.
static bool test_1_parse_ll2(const wcstring &src, wcstring *out_cmd, wcstring *out_joined_args, enum parse_statement_decoration_t *out_deco)
{
out_cmd->clear();
out_joined_args->clear();
*out_deco = parse_statement_decoration_none;
bool result = false;
parse_node_tree_t tree;
if (parse_tree_from_string(src, parse_flag_none, &tree, NULL))
{
/* Get the statement. Should only have one */
const parse_node_tree_t::parse_node_list_t stmt_nodes = tree.find_nodes(tree.at(0), symbol_plain_statement);
if (stmt_nodes.size() != 1)
{
say(L"Unexpected number of statements (%lu) found in '%ls'", stmt_nodes.size(), src.c_str());
return false;
}
const parse_node_t &stmt = *stmt_nodes.at(0);
/* Return its decoration */
*out_deco = tree.decoration_for_plain_statement(stmt);
/* Return its command */
tree.command_for_plain_statement(stmt, src, out_cmd);
/* Return arguments separated by spaces */
const parse_node_tree_t::parse_node_list_t arg_nodes = tree.find_nodes(stmt, symbol_argument);
for (size_t i=0; i < arg_nodes.size(); i++)
{
if (i > 0) out_joined_args->push_back(L' ');
out_joined_args->append(arg_nodes.at(i)->get_source(src));
}
result = true;
}
return result;
}
/* Test the LL2 (two token lookahead) nature of the parser by exercising the special builtin and command handling. In particular, 'command foo' should be a decorated statement 'foo' but 'command --help' should be an undecorated statement 'command' with argument '--help', and NOT attempt to run a command called '--help' */
static void test_new_parser_ll2(void)
{
say(L"Testing parser two-token lookahead");
const struct
{
wcstring src;
wcstring cmd;
wcstring args;
enum parse_statement_decoration_t deco;
} tests[] =
{
{L"echo hello", L"echo", L"hello", parse_statement_decoration_none},
{L"command echo hello", L"echo", L"hello", parse_statement_decoration_command},
{L"exec echo hello", L"echo", L"hello", parse_statement_decoration_exec},
{L"command command hello", L"command", L"hello", parse_statement_decoration_command},
{L"builtin command hello", L"command", L"hello", parse_statement_decoration_builtin},
{L"command --help", L"command", L"--help", parse_statement_decoration_none},
{L"command -h", L"command", L"-h", parse_statement_decoration_none},
{L"command", L"command", L"", parse_statement_decoration_none},
{L"command -", L"command", L"-", parse_statement_decoration_none},
{L"command --", L"command", L"--", parse_statement_decoration_none},
{L"builtin --names", L"builtin", L"--names", parse_statement_decoration_none},
{L"function", L"function", L"", parse_statement_decoration_none},
{L"function --help", L"function", L"--help", parse_statement_decoration_none}
};
for (size_t i=0; i < sizeof tests / sizeof *tests; i++)
{
wcstring cmd, args;
enum parse_statement_decoration_t deco = parse_statement_decoration_none;
bool success = test_1_parse_ll2(tests[i].src, &cmd, &args, &deco);
if (! success)
err(L"Parse of '%ls' failed on line %ld", tests[i].cmd.c_str(), (long)__LINE__);
if (cmd != tests[i].cmd)
err(L"When parsing '%ls', expected command '%ls' but got '%ls' on line %ld", tests[i].src.c_str(), tests[i].cmd.c_str(), cmd.c_str(), (long)__LINE__);
if (args != tests[i].args)
err(L"When parsing '%ls', expected args '%ls' but got '%ls' on line %ld", tests[i].src.c_str(), tests[i].args.c_str(), args.c_str(), (long)__LINE__);
if (deco != tests[i].deco)
err(L"When parsing '%ls', expected decoration %d but got %d on line %ld", tests[i].src.c_str(), (int)tests[i].deco, (int)deco, (long)__LINE__);
}
/* Verify that 'function -h' and 'function --help' are plain statements but 'function --foo' is not (#1240) */
const struct
{
wcstring src;
parse_token_type_t type;
}
tests2[] =
{
{L"function -h", symbol_plain_statement},
{L"function --help", symbol_plain_statement},
{L"function --foo ; end", symbol_function_header},
{L"function foo ; end", symbol_function_header},
};
for (size_t i=0; i < sizeof tests2 / sizeof *tests2; i++)
{
parse_node_tree_t tree;
if (! parse_tree_from_string(tests2[i].src, parse_flag_none, &tree, NULL))
{
err(L"Failed to parse '%ls'", tests2[i].src.c_str());
}
const parse_node_tree_t::parse_node_list_t node_list = tree.find_nodes(tree.at(0), tests2[i].type);
if (node_list.size() == 0)
{
err(L"Failed to find node of type '%ls'", token_type_description(tests2[i].type).c_str());
}
else if (node_list.size() > 1)
{
err(L"Found too many nodes of type '%ls'", token_type_description(tests2[i].type).c_str());
}
}
}
static void test_new_parser_ad_hoc()
{
/* Very ad-hoc tests for issues encountered */
say(L"Testing new parser ad hoc tests");
/* Ensure that 'case' terminates a job list */
const wcstring src = L"switch foo ; case bar; case baz; end";
parse_node_tree_t parse_tree;
bool success = parse_tree_from_string(src, parse_flag_none, &parse_tree, NULL);
if (! success)
{
err(L"Parsing failed");
}
/* Expect three case_item_lists: one for each case, and a terminal one. The bug was that we'd try to run a command 'case' */
const parse_node_t &root = parse_tree.at(0);
const parse_node_tree_t::parse_node_list_t node_list = parse_tree.find_nodes(root, symbol_case_item_list);
if (node_list.size() != 3)
{
err(L"Expected 3 case item nodes, found %lu", node_list.size());
}
}
static void test_new_parser_errors(void)
{
say(L"Testing new parser error reporting");
const struct
{
const wchar_t *src;
parse_error_code_t code;
}
tests[] =
{
{L"echo 'abc", parse_error_tokenizer_unterminated_quote},
{L"'", parse_error_tokenizer_unterminated_quote},
{L"echo (abc", parse_error_tokenizer_unterminated_subshell},
{L"end", parse_error_unbalancing_end},
{L"echo hi ; end", parse_error_unbalancing_end},
{L"else", parse_error_unbalancing_else},
{L"if true ; end ; else", parse_error_unbalancing_else},
{L"case", parse_error_unbalancing_case},
{L"if true ; case ; end", parse_error_unbalancing_case},
{L"foo || bar", parse_error_double_pipe},
{L"foo && bar", parse_error_double_background},
};
for (size_t i = 0; i < sizeof tests / sizeof *tests; i++)
{
const wcstring src = tests[i].src;
parse_error_code_t expected_code = tests[i].code;
parse_error_list_t errors;
parse_node_tree_t parse_tree;
bool success = parse_tree_from_string(src, parse_flag_none, &parse_tree, &errors);
if (success)
{
err(L"Source '%ls' was expected to fail to parse, but succeeded", src.c_str());
}
if (errors.size() != 1)
{
err(L"Source '%ls' was expected to produce 1 error, but instead produced %lu errors", src.c_str(), errors.size());
}
else if (errors.at(0).code != expected_code)
{
err(L"Source '%ls' was expected to produce error code %lu, but instead produced error code %lu", src.c_str(), expected_code, (unsigned long)errors.at(0).code);
for (size_t i=0; i < errors.size(); i++)
{
err(L"\t\t%ls", errors.at(i).describe(src).c_str());
}
}
}
}
static void test_highlighting(void)
{
say(L"Testing syntax highlighting");
if (system("mkdir -p /tmp/fish_highlight_test/")) err(L"mkdir failed");
if (system("touch /tmp/fish_highlight_test/foo")) err(L"touch failed");
if (system("touch /tmp/fish_highlight_test/bar")) err(L"touch failed");
// Here are the components of our source and the colors we expect those to be
struct highlight_component_t
{
const wchar_t *txt;
int color;
};
const highlight_component_t components1[] =
{
{L"echo", highlight_spec_command},
{L"/tmp/fish_highlight_test/foo", highlight_spec_param | highlight_modifier_valid_path},
{L"&", highlight_spec_statement_terminator},
{NULL, -1}
};
const highlight_component_t components2[] =
{
{L"command", highlight_spec_command},
{L"echo", highlight_spec_command},
{L"abc", highlight_spec_param},
{L"/tmp/fish_highlight_test/foo", highlight_spec_param | highlight_modifier_valid_path},
{L"&", highlight_spec_statement_terminator},
{NULL, -1}
};
const highlight_component_t components3[] =
{
{L"if command ls", highlight_spec_command},
{L"; ", highlight_spec_statement_terminator},
{L"echo", highlight_spec_command},
{L"abc", highlight_spec_param},
{L"; ", highlight_spec_statement_terminator},
{L"/bin/definitely_not_a_command", highlight_spec_error},
{L"; ", highlight_spec_statement_terminator},
{L"end", highlight_spec_command},
{NULL, -1}
};
/* Verify that cd shows errors for non-directories */
const highlight_component_t components4[] =
{
{L"cd", highlight_spec_command},
{L"/tmp/fish_highlight_test", highlight_spec_param | highlight_modifier_valid_path},
{NULL, -1}
};
const highlight_component_t components5[] =
{
{L"cd", highlight_spec_command},
{L"/tmp/fish_highlight_test/foo", highlight_spec_error},
{NULL, -1}
};
const highlight_component_t components6[] =
{
{L"cd", highlight_spec_command},
{L"--help", highlight_spec_param},
{L"-h", highlight_spec_param},
{L"definitely_not_a_directory", highlight_spec_error},
{NULL, -1}
};
// Command substitutions
const highlight_component_t components7[] =
{
{L"echo", highlight_spec_command},
{L"param1", highlight_spec_param},
{L"(", highlight_spec_operator},
{L"ls", highlight_spec_command},
{L"param2", highlight_spec_param},
{L")", highlight_spec_operator},
{NULL, -1}
};
// Redirections substitutions
const highlight_component_t components8[] =
{
{L"echo", highlight_spec_command},
{L"param1", highlight_spec_param},
/* Input redirection */
{L"<", highlight_spec_redirection},
{L"/bin/echo", highlight_spec_redirection},
/* Output redirection to a valid fd */
{L"1>&2", highlight_spec_redirection},
/* Output redirection to an invalid fd */
{L"2>&", highlight_spec_redirection},
{L"LOL", highlight_spec_error},
/* Just a param, not a redirection */
{L"/tmp/blah", highlight_spec_param},
/* Input redirection from directory */
{L"<", highlight_spec_redirection},
{L"/tmp/", highlight_spec_error},
/* Output redirection to an invalid path */
{L"3>", highlight_spec_redirection},
{L"/not/a/valid/path/nope", highlight_spec_error},
/* Output redirection to directory */
{L"3>", highlight_spec_redirection},
{L"/tmp/nope/", highlight_spec_error},
/* Redirections to overflow fd */
{L"99999999999999999999>&2", highlight_spec_error},
{L"2>&", highlight_spec_redirection},
{L"99999999999999999999", highlight_spec_error},
/* Output redirection containing a command substitution */
{L"4>", highlight_spec_redirection},
{L"(", highlight_spec_operator},
{L"echo", highlight_spec_command},
{L"/tmp/somewhere", highlight_spec_param},
{L")", highlight_spec_operator},
/* Just another param */
{L"param2", highlight_spec_param},
{NULL, -1}
};
const highlight_component_t components9[] =
{
{L"end", highlight_spec_error},
{L";", highlight_spec_statement_terminator},
{L"if", highlight_spec_command},
{L"end", highlight_spec_error},
{NULL, -1}
};
const highlight_component_t components10[] =
{
{L"echo", highlight_spec_command},
{L"'single_quote", highlight_spec_error},
{NULL, -1}
};
const highlight_component_t components11[] =
{
{L"echo", highlight_spec_command},
{L"$foo", highlight_spec_operator},
{L"\"", highlight_spec_quote},
{L"$bar", highlight_spec_operator},
{L"\"", highlight_spec_quote},
{L"$baz[", highlight_spec_operator},
{L"1 2..3", highlight_spec_param},
{L"]", highlight_spec_operator},
{NULL, -1}
};
const highlight_component_t components12[] =
{
{L"for", highlight_spec_command},
{L"i", highlight_spec_param},
{L"in", highlight_spec_command},
{L"1 2 3", highlight_spec_param},
{L";", highlight_spec_statement_terminator},
{L"end", highlight_spec_command},
{NULL, -1}
};
const highlight_component_t *tests[] = {components1, components2, components3, components4, components5, components6, components7, components8, components9, components10, components11, components12};
for (size_t which = 0; which < sizeof tests / sizeof *tests; which++)
{
const highlight_component_t *components = tests[which];
// Count how many we have
size_t component_count = 0;
while (components[component_count].txt != NULL)
{
component_count++;
}
// Generate the text
wcstring text;
std::vector<highlight_spec_t> expected_colors;
for (size_t i=0; i < component_count; i++)
{
if (i > 0)
{
text.push_back(L' ');
expected_colors.push_back(0);
}
text.append(components[i].txt);
expected_colors.resize(text.size(), components[i].color);
}
do_test(expected_colors.size() == text.size());
std::vector<highlight_spec_t> colors(text.size());
highlight_shell(text, colors, 20, NULL, env_vars_snapshot_t());
if (expected_colors.size() != colors.size())
{
err(L"Color vector has wrong size! Expected %lu, actual %lu", expected_colors.size(), colors.size());
}
do_test(expected_colors.size() == colors.size());
for (size_t i=0; i < text.size(); i++)
{
// Hackish space handling. We don't care about the colors in spaces.
if (text.at(i) == L' ')
continue;
if (expected_colors.at(i) != colors.at(i))
{
const wcstring spaces(i, L' ');
err(L"Wrong color at index %lu in text (expected %#x, actual %#x):\n%ls\n%ls^", i, expected_colors.at(i), colors.at(i), text.c_str(), spaces.c_str());
}
}
}
if (system("rm -Rf /tmp/fish_highlight_test"))
{
err(L"rm failed");
}
}
/**
Main test
*/
int main(int argc, char **argv)
{
setlocale(LC_ALL, "");
//srand(time(0));
configure_thread_assertions_for_testing();
program_name=L"(ignore)";
s_arguments = argv + 1;
say(L"Testing low-level functionality");
set_main_thread();
setup_fork_guards();
proc_init();
event_init();
function_init();
builtin_init();
reader_init();
env_init();
/* Set default signal handlers, so we can ctrl-C out of this */
signal_reset_handlers();
if (should_test_function("highlighting")) test_highlighting();
if (should_test_function("new_parser_ll2")) test_new_parser_ll2();
if (should_test_function("new_parser_fuzzing")) test_new_parser_fuzzing(); //fuzzing is expensive
if (should_test_function("new_parser_correctness")) test_new_parser_correctness();
if (should_test_function("new_parser_ad_hoc")) test_new_parser_ad_hoc();
if (should_test_function("new_parser_errors")) test_new_parser_errors();
if (should_test_function("escape")) test_unescape_sane();
if (should_test_function("escape")) test_escape_crazy();
if (should_test_function("format")) test_format();
if (should_test_function("convert")) test_convert();
if (should_test_function("convert_nulls")) test_convert_nulls();
if (should_test_function("tok")) test_tok();
if (should_test_function("iothread")) test_iothread();
if (should_test_function("parser")) test_parser();
if (should_test_function("cancellation")) test_cancellation();
if (should_test_function("indents")) test_indents();
if (should_test_function("utils")) test_utils();
if (should_test_function("utf8")) test_utf8();
if (should_test_function("escape_sequences")) test_escape_sequences();
if (should_test_function("lru")) test_lru();
if (should_test_function("expand")) test_expand();
if (should_test_function("fuzzy_match")) test_fuzzy_match();
if (should_test_function("abbreviations")) test_abbreviations();
if (should_test_function("test")) test_test();
if (should_test_function("path")) test_path();
if (should_test_function("pager_navigation")) test_pager_navigation();
if (should_test_function("word_motion")) test_word_motion();
if (should_test_function("is_potential_path")) test_is_potential_path();
if (should_test_function("colors")) test_colors();
if (should_test_function("complete")) test_complete();
if (should_test_function("input")) test_input();
if (should_test_function("universal")) test_universal();
if (should_test_function("universal_notifiers")) test_universal_notifiers();
if (should_test_function("completion_insertions")) test_completion_insertions();
if (should_test_function("autosuggestion_combining")) test_autosuggestion_combining();
if (should_test_function("autosuggest_suggest_special")) test_autosuggest_suggest_special();
if (should_test_function("history")) history_tests_t::test_history();
if (should_test_function("history_merge")) history_tests_t::test_history_merge();
if (should_test_function("history_races")) history_tests_t::test_history_races();
if (should_test_function("history_formats")) history_tests_t::test_history_formats();
//history_tests_t::test_history_speed();
say(L"Encountered %d errors in low-level tests", err_count);
if (s_test_run_count == 0)
say(L"*** No Tests Were Actually Run! ***");
/*
Skip performance tests for now, since they seem to hang when running from inside make (?)
*/
// say( L"Testing performance" );
// perf_complete();
env_destroy();
reader_destroy();
builtin_destroy();
wutil_destroy();
event_destroy();
proc_destroy();
if (err_count != 0)
{
return(1);
}
}
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