2021-04-21 05:04:27 +03:00
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// 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 <dlatypov@google.com>
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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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