Function testsuite

t/helper/test-run-command.c:178–272

};

static int testsuite(int argc, const char **argv)
{
	struct testsuite suite = TESTSUITE_INIT;
	int max_jobs = 1, i, ret = 0;
	DIR *dir;
	struct dirent *d;
	struct option options[] = {
		OPT_BOOL('i', "immediate", &suite.immediate,
			 "stop at first failed test case(s)"),
		OPT_INTEGER('j', "jobs", &max_jobs, "run <N> jobs in parallel"),
		OPT_BOOL('q', "quiet", &suite.quiet, "be terse"),
		OPT_BOOL('v', "verbose", &suite.verbose, "be verbose"),
		OPT_BOOL('V', "verbose-log", &suite.verbose_log,
			 "be verbose, redirected to a file"),
		OPT_BOOL('x', "trace", &suite.trace, "trace shell commands"),
		OPT_BOOL(0, "write-junit-xml", &suite.write_junit_xml,
			 "write JUnit-style XML files"),
		OPT_END()
	};
	struct run_process_parallel_opts opts = {
		.get_next_task = next_test,
		.start_failure = test_failed,
		.feed_pipe = test_stdin_pipe_feed,
		.task_finished = test_finished,
		.data = &suite,
	};
	struct strbuf progpath = STRBUF_INIT;
	size_t path_prefix_len;

	argc = parse_options(argc, argv, NULL, options,
			testsuite_usage, PARSE_OPT_STOP_AT_NON_OPTION);

	if (max_jobs <= 0)
		max_jobs = online_cpus();

	/*
	 * If we run without a shell, execute the programs directly from CWD.
	 */
	suite.shell_path = getenv("TEST_SHELL_PATH");
	if (!suite.shell_path)
		strbuf_addstr(&progpath, "./");
	path_prefix_len = progpath.len;

	dir = opendir(".");
	if (!dir)
		die("Could not open the current directory");
	while ((d = readdir(dir))) {
		const char *p = d->d_name;

		if (!strcmp(p, ".") || !strcmp(p, ".."))
			continue;

		/* No pattern: match all */
		if (!argc) {
			strbuf_setlen(&progpath, path_prefix_len);
			strbuf_addstr(&progpath, p);
			string_list_append(&suite.tests, progpath.buf);
			continue;