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Diffstat (limited to 'lib/kunit/executor_test.c')
| -rw-r--r-- | lib/kunit/executor_test.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/lib/kunit/executor_test.c b/lib/kunit/executor_test.c new file mode 100644 index 000000000000..22d4ee86dbed --- /dev/null +++ b/lib/kunit/executor_test.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * KUnit test for the KUnit executor. + * + * Copyright (C) 2021, Google LLC. + * Author: Daniel Latypov <dlatypov@google.com> + */ + +#include <kunit/test.h> +#include <kunit/attributes.h> + +static void free_suite_set_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_glob_filter filter = {NULL, NULL}; + + kunit_parse_glob_filter(&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_glob_filter(&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 kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[2], + }; + struct kunit_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", NULL, NULL, &err); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); + + /* 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 kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[2], + }; + struct kunit_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", NULL, NULL, &err); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); + + /* 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 kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[2], + }; + struct kunit_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", NULL, NULL, &err); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); /* just in case */ + + KUNIT_EXPECT_PTR_EQ_MSG(test, got.start, got.end, + "should be empty to indicate no match"); +} + +static void parse_filter_attr_test(struct kunit *test) +{ + int j, filter_count; + struct kunit_attr_filter *parsed_filters; + char filters[] = "speed>slow, module!=example", *filter = filters; + int err = 0; + + filter_count = kunit_get_filter_count(filters); + KUNIT_EXPECT_EQ(test, filter_count, 2); + + parsed_filters = kunit_kcalloc(test, filter_count, sizeof(*parsed_filters), + GFP_KERNEL); + for (j = 0; j < filter_count; j++) { + parsed_filters[j] = kunit_next_attr_filter(&filter, &err); + KUNIT_ASSERT_EQ_MSG(test, err, 0, "failed to parse filter '%s'", filters[j]); + } + + KUNIT_EXPECT_STREQ(test, kunit_attr_filter_name(parsed_filters[0]), "speed"); + KUNIT_EXPECT_STREQ(test, parsed_filters[0].input, ">slow"); + + KUNIT_EXPECT_STREQ(test, kunit_attr_filter_name(parsed_filters[1]), "module"); + KUNIT_EXPECT_STREQ(test, parsed_filters[1].input, "!=example"); +} + +static struct kunit_case dummy_attr_test_cases[] = { + /* .run_case is not important, just needs to be non-NULL */ + { .name = "slow", .run_case = dummy_test, .module_name = "dummy", + .attr.speed = KUNIT_SPEED_SLOW }, + { .name = "normal", .run_case = dummy_test, .module_name = "dummy" }, + {}, +}; + +static void filter_attr_test(struct kunit *test) +{ + struct kunit_suite *subsuite[3] = {NULL, NULL}; + struct kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[2], + }; + struct kunit_suite_set got; + char filter[] = "speed>slow"; + int err = 0; + + subsuite[0] = alloc_fake_suite(test, "normal_suite", dummy_attr_test_cases); + subsuite[1] = alloc_fake_suite(test, "slow_suite", dummy_attr_test_cases); + subsuite[1]->attr.speed = KUNIT_SPEED_SLOW; // Set suite attribute + + /* + * Want: normal_suite(slow, normal), slow_suite(slow, normal), + * NULL -> normal_suite(normal), NULL + * + * The normal test in slow_suite is filtered out because the speed + * attribute is unset and thus, the filtering is based on the parent attribute + * of slow. + */ + got = kunit_filter_suites(&suite_set, NULL, filter, NULL, &err); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); + + /* Validate we just have normal_suite */ + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]); + KUNIT_EXPECT_STREQ(test, got.start[0]->name, "normal_suite"); + KUNIT_ASSERT_EQ(test, got.end - got.start, 1); + + /* Now validate we just have normal test case */ + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]->test_cases); + KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[0].name, "normal"); + KUNIT_EXPECT_FALSE(test, got.start[0]->test_cases[1].name); +} + +static void filter_attr_empty_test(struct kunit *test) +{ + struct kunit_suite *subsuite[3] = {NULL, NULL}; + struct kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[2], + }; + struct kunit_suite_set got; + char filter[] = "module!=dummy"; + int err = 0; + + subsuite[0] = alloc_fake_suite(test, "suite1", dummy_attr_test_cases); + subsuite[1] = alloc_fake_suite(test, "suite2", dummy_attr_test_cases); + + got = kunit_filter_suites(&suite_set, NULL, filter, NULL, &err); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); /* just in case */ + + KUNIT_EXPECT_PTR_EQ_MSG(test, got.start, got.end, + "should be empty to indicate no match"); +} + +static void filter_attr_skip_test(struct kunit *test) +{ + struct kunit_suite *subsuite[2] = {NULL}; + struct kunit_suite_set suite_set = { + .start = subsuite, .end = &subsuite[1], + }; + struct kunit_suite_set got; + char filter[] = "speed>slow"; + int err = 0; + + subsuite[0] = alloc_fake_suite(test, "suite", dummy_attr_test_cases); + + /* Want: suite(slow, normal), NULL -> suite(slow with SKIP, normal), NULL */ + got = kunit_filter_suites(&suite_set, NULL, filter, "skip", &err); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start); + KUNIT_ASSERT_EQ(test, err, 0); + free_suite_set_at_end(test, &got); + + /* Validate we have both the slow and normal test */ + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]->test_cases); + KUNIT_ASSERT_EQ(test, kunit_suite_num_test_cases(got.start[0]), 2); + KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[0].name, "slow"); + KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[1].name, "normal"); + + /* Now ensure slow is skipped and normal is not */ + KUNIT_EXPECT_EQ(test, got.start[0]->test_cases[0].status, KUNIT_SKIPPED); + KUNIT_EXPECT_FALSE(test, got.start[0]->test_cases[1].status); +} + +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), + KUNIT_CASE(parse_filter_attr_test), + KUNIT_CASE(filter_attr_test), + KUNIT_CASE(filter_attr_empty_test), + KUNIT_CASE(filter_attr_skip_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 free_suite_set(void *suite_set) +{ + kunit_free_suite_set(*(struct kunit_suite_set *)suite_set); + kfree(suite_set); +} + +/* Use the resource API to register a call to free_suite_set. + * Since we never actually use the resource, it's safe to use on const data. + */ +static void free_suite_set_at_end(struct kunit *test, const void *to_free) +{ + struct kunit_suite_set *free; + + if (!((struct kunit_suite_set *)to_free)->start) + return; + + free = kzalloc(sizeof(struct kunit_suite_set), GFP_KERNEL); + *free = *(struct kunit_suite_set *)to_free; + + kunit_add_action(test, free_suite_set, (void *)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; +} |