summaryrefslogtreecommitdiffstats
path: root/lib/kunit/executor_test.c
blob: b4f6f96b28445fb62a2ff856def2d9a7877fa236 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
// 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 kfree_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);
	kfree_at_end(test, got.start);

	/* 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);
	kfree_at_end(test, got.start);

	/* 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);
	kfree_at_end(test, got.start); /* 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);
	kfree_at_end(test, got.start);

	/* 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);
	kfree_at_end(test, got.start); /* 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);
	kfree_at_end(test, got.start);

	/* 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 */

/* Use the resource API to register a call to kfree(to_free).
 * Since we never actually use the resource, it's safe to use on const data.
 */
static void kfree_at_end(struct kunit *test, const void *to_free)
{
	/* kfree() handles NULL already, but avoid allocating a no-op cleanup. */
	if (IS_ERR_OR_NULL(to_free))
		return;

	kunit_add_action(test,
			(kunit_action_t *)kfree,
			(void *)to_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;
}