src/util-munit.c

/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2020 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include "config.h"

#include <sys/resource.h>

#include "util-mem.h"
#include "util-munit.h"
#include "util-strings.h"

/* All MUNIT_TEST functions are in the test_functions_section ELF section.
 * __start and __stop point to the start and end of that section. See the
 * __attribute__(section) documentation.
 */
DECLARE_TEST_SECTION();
DECLARE_GLOBAL_SETUP_SECTION();

/* If the tests don't use MUNIT_GLOBAL_SETUP the above has no linkage, so
 * let's always define a noop internal one.
 */
MUNIT_GLOBAL_SETUP(__internal)
{
}

int
munit_tests_run(int argc, char **argv)
{
	size_t count = 1; /* For NULL-terminated entry */

	foreach_test(t)
	{
		count++;
	}

	_cleanup_free_ MunitTest *tests = calloc(count, sizeof(*tests));
	size_t idx = 0;
	foreach_test(t)
	{
		size_t nparams = 0;
		MunitParameterEnum *parameters = calloc(MUNIT_TEST_MAX_PARAMS + 1,
							sizeof(*parameters)); /* null-terminated */

		const char *name = NULL;
		char **values = NULL;
		for (size_t i = 0; t->params[i]; i++) {
			if (t->params[i][0] == '@') {
				if (name != NULL) {
					assert(nparams < MUNIT_TEST_MAX_PARAMS);
					assert(strv_len(values) > 0);
					/* Not stripping the @! */
					parameters[nparams].name = xstrdup(name);
					parameters[nparams].values = steal(&values);
					++nparams;
				}
				name = t->params[i];
			} else {
				assert(i > 0); /* First one must be a name */
				values = strv_append_strdup(values, t->params[i]);
			}
		}
		if (name != NULL) {
			assert(nparams < MUNIT_TEST_MAX_PARAMS);
			assert(strv_len(values) > 0);
			/* Not stripping the @! */
			parameters[nparams].name = xstrdup(name);
			parameters[nparams].values = steal(&values);
			++nparams;
		}

		MunitTest test = {
			.name = xaprintf("%s", t->name),
			.test = t->func,
			.parameters = parameters,
		};

		tests[idx++] = test;
	}

	struct munit_setup setup = {
		.argc = argc,
		.argv = argv,
		.userdata = NULL,
	};
	size_t setup_count = 0;
	foreach_setup(s)
	{
		if (!streq(s->name, "__internal")) {
			assert(setup_count == 0); /* Only one setup func per suite */
			s->func(&setup);
			++setup_count;
		}
	}

	MunitSuite suite = {
		"", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE,
	};

	/* Disable coredumps */
	const struct rlimit corelimit = { 0, 0 };
	setrlimit(RLIMIT_CORE, &corelimit);

	int rc = munit_suite_main(&suite, setup.userdata, setup.argc, setup.argv);

	for (idx = 0; idx < count; idx++) {
		MunitParameterEnum *parameters = tests[idx].parameters;
		while (parameters && parameters->name) {
			free(parameters->name);
			strv_free(parameters->values);
			parameters++;
		}

		free(tests[idx].name);
		free(tests[idx].parameters);
	}

	return rc;
}