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fish_tests to set HOME and other variables to temporary dir

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Rather than placing files in the user's home directory, have fish_tests
manipulate HOME to be a temporary directory.
This commit is contained in:
ridiculousfish 2020-01-01 15:32:40 -08:00
parent 65e9f31c7a
commit cca57a7a87
1 changed files with 53 additions and 3 deletions
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56
src/fish_tests.cpp
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@ -5416,9 +5416,55 @@ static void test_topic_monitor_torture() {
for (auto &t : threads) t.join(); for (auto &t : threads) t.join();
} }
// Set up some HOME directory variables.
// \return the HOME path.
static wcstring setup_tests_home() {
char home_template[] = "/tmp/fish_tests_home.XXXXXX";
if (!mkdtemp(home_template)) {
wperror(L"mkdtemp");
exit(EXIT_FAILURE);
}
std::string home_path = home_template;
if (setenv("HOME", home_path.c_str(), 1 /* overwrite */)) {
wperror(L"setenv");
exit(EXIT_FAILURE);
}
struct {
const char *name;
const char *dir;
} vars[] = {
{"XDG_DATA_HOME", "data"},
{"XDG_CONFIG_HOME", "config"},
{"XDG_RUNTIME_DIR", "runtime"},
{"XDG_CACHE_HOME", "cache"},
};
for (const auto &var : vars) {
// Only set the var if it's already set.
// This prevents setting unnatural vars on e.g. Mac.
if (!getenv(var.name)) continue;
std::string path = home_path + "/" + var.dir;
if (mkdir(path.c_str(), 0755)) {
wperror(L"mkdir");
exit(EXIT_FAILURE);
}
if (setenv(var.name, path.c_str(), 1 /* overwrite */)) {
wperror(L"setenv");
exit(EXIT_FAILURE);
}
}
return str2wcstring(home_path);
}
/// Main test. /// Main test.
int main(int argc, char **argv) { int main(int argc, char **argv) {
UNUSED(argc); UNUSED(argc);
wcstring home = setup_tests_home();
// Look for the file tests/test.fish. We expect to run in a directory containing that file. // Look for the file tests/test.fish. We expect to run in a directory containing that file.
// If we don't find it, walk up the directory hierarchy until we do, or error. // If we don't find it, walk up the directory hierarchy until we do, or error.
while (access("./tests/test.fish", F_OK) != 0) { while (access("./tests/test.fish", F_OK) != 0) {
@ -5448,7 +5494,7 @@ int main(int argc, char **argv) {
struct utsname uname_info; struct utsname uname_info;
uname(&uname_info); uname(&uname_info);
say(L"Testing low-level functionality"); say(L"Testing low-level functionality. HOME=%ls", home.c_str());
set_main_thread(); set_main_thread();
setup_fork_guards(); setup_fork_guards();
proc_init(); proc_init();
@ -5546,7 +5592,11 @@ int main(int argc, char **argv) {
say(L"Encountered %d errors in low-level tests", err_count); say(L"Encountered %d errors in low-level tests", err_count);
if (s_test_run_count == 0) say(L"*** No Tests Were Actually Run! ***"); if (s_test_run_count == 0) say(L"*** No Tests Were Actually Run! ***");
if (err_count != 0) { if (err_count == 0) {
return 1; say(L"All tests passed, deleting temporary home %ls", home.c_str());
char command[512];
snprintf(command, sizeof command, "rm -Rf %ls", home.c_str());
system(command);
} }
return err_count ? EXIT_FAILURE : EXIT_SUCCESS;
} }