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fish-shell/tests/checks/basic.fish
Fabian Homborg 1dd776ec99 echo: Don't interpret and print options 
A weird interaction between grouped short options and our weird option
parsing that puts unknown options back:

```
echo "-n foo"
```

would see the `-n`, turn off printing newlines, interpret the " " as
another grouped short option, see that there is no short option for
space and put the entire token back on the arguments pile.

So it would print "-n foo" *without a newline*.

Fix this by keeping an old state of the options around and reverting
it when putting options back.

The alternative is *probably* to forbid the " " short option in
wgetopt, then check if an option group contains it and error out, but
this should only really be a problem in `echo` because that is,
AFAICT, the only thing that puts the options back.

Fixes #7614
2021-01-09 08:50:30 +01:00

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# RUN: %fish -C 'set -g fish %fish' %s
#
# Test function, loops, conditionals and some basic elements
#
# Comments in odd places don't cause problems
for i in 1 2 # Comment on same line as command
# Comment inside loop
for j in a b
# Double loop
echo $i$j
end;
end
#CHECK: 1a
#CHECK: 1b
#CHECK: 2a
#CHECK: 2b
# Escaped newlines
echo foo\ bar
echo foo\
bar
echo "foo\
bar"
echo 'foo\
bar'
#CHECK: foo bar
#CHECK: foobar
#CHECK: foobar
#CHECK: foo\
#CHECK: bar
for i in \
a b c
echo $i
end
#CHECK: a
#CHECK: b
#CHECK: c
# Simple function tests
function foo
echo >../test/temp/fish_foo.txt $argv
end
foo hello
cat ../test/temp/fish_foo.txt |read foo
if test $foo = hello;
echo Test 2 pass
else
echo Test 2 fail
end
#CHECK: Test 2 pass
function foo
printf 'Test %s' $argv[1]; echo ' pass'
end
foo 3a
#CHECK: Test 3a pass
for i in Test for continue break and switch builtins problems;
switch $i
case Test
printf "%s " $i
case "for"
printf "%s " 3b
case "c*"
echo pass
case break
continue
echo fail
case and
break
echo fail
case "*"
echo fail
end
end
#CHECK: Test 3b pass
set -l sta
if eval true
if eval false
set sta fail
else
set sta pass
end
else
set sta fail
end
echo Test 4 $sta
#CHECK: Test 4 pass
# Testing builtin status
function test_builtin_status
return 1
end
test_builtin_status
if [ $status -eq 1 ]
set sta pass
else
set sta fail
end
echo Test 5 $sta
#CHECK: Test 5 pass
####################
# echo tests
echo 'abc\ndef'
#CHECK: abc\ndef
echo -e 'abc\ndef'
#CHECK: abc
#CHECK: def
echo -e 'abc\zdef'
#CHECK: abc\zdef
echo -e 'abc\41def'
echo -e 'abc\041def'
#CHECK: abc!def
#CHECK: abc!def
echo -e 'abc\121def'
echo -e 'abc\1212def'
#CHECK: abcQdef
#CHECK: abcQ2def
echo -e 'abc\cdef' # won't output a newline!
#CHECK: abc
echo ''
echo -
#CHECK: -
echo -h
#CHECK: -h
echo -ne '\376' | display_bytes
#CHECK: 0000000 376
#CHECK: 0000001
echo -e 'abc\x21def'
echo -e 'abc\x211def'
#CHECK: abc!def
#CHECK: abc!1def
# Comments allowed in between lines (#1987)
echo before comment \
# comment
after comment
#CHECK: before comment after comment
# Backslashes are part of comments and do not join lines (#1255)
# This should execute false, not echo it
echo -n # comment\
false
function always_fails
if true
return 1
end
end
# Verify $argv set correctly in sourced scripts (#139)
echo 'echo "source argv {$argv}"' | source
#CHECK: source argv {}
echo 'echo "source argv {$argv}"' | source -
#CHECK: source argv {}
echo 'echo "source argv {$argv}"' | source - abc
#CHECK: source argv {abc}
echo 'echo "source argv {$argv}"' | source - abc def
#CHECK: source argv {abc def}
always_fails
echo $status
#CHECK: 1
# Test that subsequent cases do not blow away the status from previous ones
for val in one two three four
switch $val
case one
/bin/sh -c 'exit 1'
case two
/bin/sh -c 'exit 2'
case three
/bin/sh -c 'exit 3'
end
echo $status
end
#CHECK: 1
#CHECK: 2
#CHECK: 3
#CHECK: 0
# Test that the `switch` builtin itself does not blow away status before evaluating a case
false
switch one
case one
echo $status
end
#CHECK: 1
#test contains -i
contains -i string a b c string d
#CHECK: 4
contains -i string a b c d; or echo nothing
#CHECK: nothing
contains -i -- string a b c string d
#CHECK: 4
contains -i -- -- a b c; or echo nothing
#CHECK: nothing
contains -i -- -- a b c -- v
#CHECK: 4
# Test if, else, and else if
if true
echo alpha1.1
echo alpha1.2
else if false
echo beta1.1
echo beta1.2
else if false
echo gamma1.1
echo gamma1.2
else
echo delta1.1
echo delta1.2
end
#CHECK: alpha1.1
#CHECK: alpha1.2
if false
echo alpha2.1
echo alpha2.2
else if begin ; true ; end
echo beta2.1
echo beta2.2
else if begin ; echo nope2.1; false ; end
echo gamma2.1
echo gamma2.2
else
echo delta2.1
echo delta2.2
end
#CHECK: beta2.1
#CHECK: beta2.2
if false
echo alpha3.1
echo alpha3.2
else if begin ; echo yep3.1; false ; end
echo beta3.1
echo beta3.2
else if begin ; echo yep3.2; true ; end
echo gamma3.1
echo gamma3.2
else
echo delta3.1
echo delta3.2
end
#CHECK: yep3.1
#CHECK: yep3.2
#CHECK: gamma3.1
#CHECK: gamma3.2
if false
echo alpha4.1
echo alpha4.2
else if begin ; echo yep4.1; false ; end
echo beta4.1
echo beta4.2
else if begin ; echo yep4.2; false ; end
echo gamma4.1
echo gamma4.2
else
echo delta4.1
echo delta4.2
end
#CHECK: yep4.1
#CHECK: yep4.2
#CHECK: delta4.1
#CHECK: delta4.2
if test ! -n "abc"
else if test -n "def"
echo "epsilon5.2"
else if not_a_valid_command but it should be OK because a previous branch was taken
echo "epsilon 5.3"
else if test ! -n "abc"
echo "epsilon 5.4"
end
#CHECK: epsilon5.2
# Ensure builtins work
# https://github.com/fish-shell/fish-shell/issues/359
if not echo skip1 > /dev/null
echo "zeta 6.1"
else if echo skip2 > /dev/null
echo "zeta 6.2"
end
#CHECK: zeta 6.2
echo '###'
#CHECK: ###
# Ensure 'type' works
# https://github.com/fish-shell/fish-shell/issues/513
function fish_test_type_zzz
true
end
# Should succeed
type -q fish_test_type_zzz ; echo $status
#CHECK: 0
# Should fail
type -q -f fish_test_type_zzz ; echo $status
#CHECK: 1
# ensure that builtins that produce no output can still truncate files
# (bug PCA almost reintroduced!)
echo abc > ../test/temp/file_truncation_test.txt
cat ../test/temp/file_truncation_test.txt
echo -n > ../test/temp/file_truncation_test.txt
cat ../test/temp/file_truncation_test.txt
#CHECK: abc
# Test events.
# This pattern caused a crash; github issue #449
set -g var before
function test1 --on-event test
set -g var $var:test1
functions -e test2
end
function test2 --on-event test
# this should not run, as test2 gets removed before it has a chance of running
set -g var $var:test2a
end
emit test
echo $var
#CHECK: before:test1
function test3 --on-event test3
echo received event test3 with args: $argv
end
emit test3 foo bar
#CHECK: received event test3 with args: foo bar
# test empty argument
emit
#CHECKERR: emit: expected event name
# Test break and continue
# This should output Ping once
for i in a b c
if not contains $i c ; continue ; end
echo Ping
end
#CHECK: Ping
# This should output Pong not at all
for i in a b c
if not contains $i c ; break ; end
echo Pong
end
# This should output Foop three times, and Boop not at all
set i a a a
while contains $i a
set -e i[-1]
echo Foop
continue
echo Boop
end
#CHECK: Foop
#CHECK: Foop
#CHECK: Foop
# This should output Doop once
set i a a a
while contains $i a
set -e i[-1]
echo Doop
break
echo Darp
end
#CHECK: Doop
# Test implicit cd. This should do nothing.
./
# Test special for loop expansion
# Here we the name of the variable is derived from another variable
set var1 var2
for $var1 in 1 2 3
echo -n $var2
end
echo
#CHECK: 123
# Test status -n
eval 'status -n
status -n
status -n'
#CHECK: 1
#CHECK: 2
#CHECK: 3
# Test support for unbalanced blocks
function try_unbalanced_block
$fish -c "echo $argv | source " 2>&1 | grep "Missing end" 1>&2
end
try_unbalanced_block 'begin'
#CHECKERR: - (line 1): Missing end to balance this begin
try_unbalanced_block 'while true'
#CHECKERR: - (line 1): Missing end to balance this while loop
try_unbalanced_block 'for x in 1 2 3'
#CHECKERR: - (line 1): Missing end to balance this for loop
try_unbalanced_block 'switch abc'
#CHECKERR: - (line 1): Missing end to balance this switch statement
try_unbalanced_block 'function anything'
#CHECKERR: - (line 1): Missing end to balance this function definition
try_unbalanced_block 'if false'
#CHECKERR: - (line 1): Missing end to balance this if statement
# Ensure that quoted keywords work
'while' false; end
"while" false; end
"wh"'ile' false; "e"nd
# BOM checking (see #1518). But only in UTF8 locales.
# (locale guarded because of musl)
if command -sq locale; and string match -qi '*utf-8*' -- (locale)
echo \uFEFF"echo bom_test" | source
else
echo "echo bom_test" | source
end
#CHECK: bom_test
# Comments abutting text (#953)
echo not#a#comment
#CHECK: not#a#comment
echo is # a # comment
#CHECK: is
# Test that our builtins can all do --query
command --query cp
echo $status
#CHECK: 0
type --query cp
echo $status
#CHECK: 0
jobs --query 0
echo $status
#CHECK: 1
abbr --query thisshouldnotbeanabbreviationohmygoshitssolongwhywouldanyoneeverusethis
echo $status
#CHECK: 1
functions --query alias
echo $status
#CHECK: 0
set --query status
echo $status
#CHECK: 0
builtin --query echo
echo $status
#CHECK: 0
# Check that echo doesn't interpret options *and print them*
# at the start of quoted args:
echo '-ne \tart'
# CHECK: -ne \tart
echo '-n art'
echo banana
# CHECK: -n art
# CHECK: banana
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