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