283 lines
9.1 KiB
C
283 lines
9.1 KiB
C
// 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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#include <kunit/attributes.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_glob_filter filter = {NULL, NULL};
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kunit_parse_glob_filter(&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_glob_filter(&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 kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[2],
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};
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struct kunit_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", NULL, NULL, &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 kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[2],
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};
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struct kunit_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", NULL, NULL, &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 kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[2],
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};
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struct kunit_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", NULL, NULL, &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 void parse_filter_attr_test(struct kunit *test)
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{
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int j, filter_count;
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struct kunit_attr_filter *parsed_filters;
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char *filters = "speed>slow, module!=example";
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int err = 0;
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filter_count = kunit_get_filter_count(filters);
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KUNIT_EXPECT_EQ(test, filter_count, 2);
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parsed_filters = kunit_kcalloc(test, filter_count, sizeof(*parsed_filters),
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GFP_KERNEL);
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for (j = 0; j < filter_count; j++) {
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parsed_filters[j] = kunit_next_attr_filter(&filters, &err);
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KUNIT_ASSERT_EQ_MSG(test, err, 0, "failed to parse filter '%s'", filters[j]);
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}
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KUNIT_EXPECT_STREQ(test, kunit_attr_filter_name(parsed_filters[0]), "speed");
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KUNIT_EXPECT_STREQ(test, parsed_filters[0].input, ">slow");
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KUNIT_EXPECT_STREQ(test, kunit_attr_filter_name(parsed_filters[1]), "module");
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KUNIT_EXPECT_STREQ(test, parsed_filters[1].input, "!=example");
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}
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static struct kunit_case dummy_attr_test_cases[] = {
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/* .run_case is not important, just needs to be non-NULL */
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{ .name = "slow", .run_case = dummy_test, .module_name = "dummy",
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.attr.speed = KUNIT_SPEED_SLOW },
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{ .name = "normal", .run_case = dummy_test, .module_name = "dummy" },
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{},
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};
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static void filter_attr_test(struct kunit *test)
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{
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struct kunit_suite *subsuite[3] = {NULL, NULL};
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struct kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[2],
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};
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struct kunit_suite_set got;
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int err = 0;
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subsuite[0] = alloc_fake_suite(test, "normal_suite", dummy_attr_test_cases);
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subsuite[1] = alloc_fake_suite(test, "slow_suite", dummy_attr_test_cases);
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subsuite[1]->attr.speed = KUNIT_SPEED_SLOW; // Set suite attribute
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/*
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* Want: normal_suite(slow, normal), slow_suite(slow, normal),
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* NULL -> normal_suite(normal), NULL
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*
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* The normal test in slow_suite is filtered out because the speed
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* attribute is unset and thus, the filtering is based on the parent attribute
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* of slow.
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*/
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got = kunit_filter_suites(&suite_set, NULL, "speed>slow", NULL, &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 normal_suite */
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]);
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KUNIT_EXPECT_STREQ(test, got.start[0]->name, "normal_suite");
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KUNIT_ASSERT_EQ(test, got.end - got.start, 1);
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/* Now validate we just have normal test case */
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]->test_cases);
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KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[0].name, "normal");
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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_attr_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 kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[2],
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};
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struct kunit_suite_set got;
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int err = 0;
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subsuite[0] = alloc_fake_suite(test, "suite1", dummy_attr_test_cases);
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subsuite[1] = alloc_fake_suite(test, "suite2", dummy_attr_test_cases);
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got = kunit_filter_suites(&suite_set, NULL, "module!=dummy", NULL, &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 void filter_attr_skip_test(struct kunit *test)
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{
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struct kunit_suite *subsuite[2] = {NULL};
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struct kunit_suite_set suite_set = {
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.start = subsuite, .end = &subsuite[1],
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};
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struct kunit_suite_set got;
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int err = 0;
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subsuite[0] = alloc_fake_suite(test, "suite", dummy_attr_test_cases);
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/* Want: suite(slow, normal), NULL -> suite(slow with SKIP, normal), NULL */
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got = kunit_filter_suites(&suite_set, NULL, "speed>slow", "skip", &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 have both the slow and normal test */
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, got.start[0]->test_cases);
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KUNIT_ASSERT_EQ(test, kunit_suite_num_test_cases(got.start[0]), 2);
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KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[0].name, "slow");
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KUNIT_EXPECT_STREQ(test, got.start[0]->test_cases[1].name, "normal");
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/* Now ensure slow is skipped and normal is not */
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KUNIT_EXPECT_EQ(test, got.start[0]->test_cases[0].status, KUNIT_SKIPPED);
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KUNIT_EXPECT_FALSE(test, got.start[0]->test_cases[1].status);
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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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KUNIT_CASE(parse_filter_attr_test),
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KUNIT_CASE(filter_attr_test),
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KUNIT_CASE(filter_attr_empty_test),
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KUNIT_CASE(filter_attr_skip_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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/* 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_add_action(test,
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(kunit_action_t *)kfree,
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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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