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- // SPDX-License-Identifier: GPL-2.0
- /*
- * KUnit test for the KUnit executor.
- *
- * Copyright (C) 2021, Google LLC.
- * Author: Daniel Latypov <[email protected]>
- */
- #include <kunit/test.h>
- static void kfree_at_end(struct kunit *test, const void *to_free);
- static struct kunit_suite *alloc_fake_suite(struct kunit *test,
- const char *suite_name,
- struct kunit_case *test_cases);
- static void dummy_test(struct kunit *test) {}
- static struct kunit_case dummy_test_cases[] = {
- /* .run_case is not important, just needs to be non-NULL */
- { .name = "test1", .run_case = dummy_test },
- { .name = "test2", .run_case = dummy_test },
- {},
- };
- static void parse_filter_test(struct kunit *test)
- {
- struct kunit_test_filter filter = {NULL, NULL};
- kunit_parse_filter_glob(&filter, "suite");
- KUNIT_EXPECT_STREQ(test, filter.suite_glob, "suite");
- KUNIT_EXPECT_FALSE(test, filter.test_glob);
- kfree(filter.suite_glob);
- kfree(filter.test_glob);
- kunit_parse_filter_glob(&filter, "suite.test");
- KUNIT_EXPECT_STREQ(test, filter.suite_glob, "suite");
- KUNIT_EXPECT_STREQ(test, filter.test_glob, "test");
- kfree(filter.suite_glob);
- kfree(filter.test_glob);
- }
- static void filter_suites_test(struct kunit *test)
- {
- struct kunit_suite *subsuite[3] = {NULL, NULL};
- struct suite_set suite_set = {.start = subsuite, .end = &subsuite[2]};
- struct suite_set got;
- int err = 0;
- subsuite[0] = alloc_fake_suite(test, "suite1", dummy_test_cases);
- subsuite[1] = alloc_fake_suite(test, "suite2", dummy_test_cases);
- /* Want: suite1, suite2, NULL -> suite2, NULL */
- got = kunit_filter_suites(&suite_set, "suite2", &err);
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start);
- KUNIT_ASSERT_EQ(test, err, 0);
- kfree_at_end(test, got.start);
- /* Validate we just have suite2 */
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]);
- KUNIT_EXPECT_STREQ(test, (const char *)got.start[0]->name, "suite2");
- /* Contains one element (end is 1 past end) */
- KUNIT_ASSERT_EQ(test, got.end - got.start, 1);
- }
- static void filter_suites_test_glob_test(struct kunit *test)
- {
- struct kunit_suite *subsuite[3] = {NULL, NULL};
- struct suite_set suite_set = {.start = subsuite, .end = &subsuite[2]};
- struct suite_set got;
- int err = 0;
- subsuite[0] = alloc_fake_suite(test, "suite1", dummy_test_cases);
- subsuite[1] = alloc_fake_suite(test, "suite2", dummy_test_cases);
- /* Want: suite1, suite2, NULL -> suite2 (just test1), NULL */
- got = kunit_filter_suites(&suite_set, "suite2.test2", &err);
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start);
- KUNIT_ASSERT_EQ(test, err, 0);
- kfree_at_end(test, got.start);
- /* Validate we just have suite2 */
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]);
- KUNIT_EXPECT_STREQ(test, (const char *)got.start[0]->name, "suite2");
- KUNIT_ASSERT_EQ(test, got.end - got.start, 1);
- /* Now validate we just have test2 */
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]->test_cases);
- KUNIT_EXPECT_STREQ(test, (const char *)got.start[0]->test_cases[0].name, "test2");
- KUNIT_EXPECT_FALSE(test, got.start[0]->test_cases[1].name);
- }
- static void filter_suites_to_empty_test(struct kunit *test)
- {
- struct kunit_suite *subsuite[3] = {NULL, NULL};
- struct suite_set suite_set = {.start = subsuite, .end = &subsuite[2]};
- struct suite_set got;
- int err = 0;
- subsuite[0] = alloc_fake_suite(test, "suite1", dummy_test_cases);
- subsuite[1] = alloc_fake_suite(test, "suite2", dummy_test_cases);
- got = kunit_filter_suites(&suite_set, "not_found", &err);
- KUNIT_ASSERT_EQ(test, err, 0);
- kfree_at_end(test, got.start); /* just in case */
- KUNIT_EXPECT_PTR_EQ_MSG(test, got.start, got.end,
- "should be empty to indicate no match");
- }
- static struct kunit_case executor_test_cases[] = {
- KUNIT_CASE(parse_filter_test),
- KUNIT_CASE(filter_suites_test),
- KUNIT_CASE(filter_suites_test_glob_test),
- KUNIT_CASE(filter_suites_to_empty_test),
- {}
- };
- static struct kunit_suite executor_test_suite = {
- .name = "kunit_executor_test",
- .test_cases = executor_test_cases,
- };
- kunit_test_suites(&executor_test_suite);
- /* Test helpers */
- static void kfree_res_free(struct kunit_resource *res)
- {
- kfree(res->data);
- }
- /* Use the resource API to register a call to kfree(to_free).
- * Since we never actually use the resource, it's safe to use on const data.
- */
- static void kfree_at_end(struct kunit *test, const void *to_free)
- {
- /* kfree() handles NULL already, but avoid allocating a no-op cleanup. */
- if (IS_ERR_OR_NULL(to_free))
- return;
- kunit_alloc_resource(test, NULL, kfree_res_free, GFP_KERNEL,
- (void *)to_free);
- }
- static struct kunit_suite *alloc_fake_suite(struct kunit *test,
- const char *suite_name,
- struct kunit_case *test_cases)
- {
- struct kunit_suite *suite;
- /* We normally never expect to allocate suites, hence the non-const cast. */
- suite = kunit_kzalloc(test, sizeof(*suite), GFP_KERNEL);
- strncpy((char *)suite->name, suite_name, sizeof(suite->name) - 1);
- suite->test_cases = test_cases;
- return suite;
- }
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