Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 0000000000..22d4ee86db
--- /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;
+}