xref: /linux/tools/testing/selftests/bpf/prog_tests/arg_parsing.c (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea)
1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2 
3 #include "test_progs.h"
4 #include "testing_helpers.h"
5 
init_test_filter_set(struct test_filter_set * set)6 static void init_test_filter_set(struct test_filter_set *set)
7 {
8 	set->cnt = 0;
9 	set->tests = NULL;
10 }
11 
free_test_filter_set(struct test_filter_set * set)12 static void free_test_filter_set(struct test_filter_set *set)
13 {
14 	int i, j;
15 
16 	for (i = 0; i < set->cnt; i++) {
17 		for (j = 0; j < set->tests[i].subtest_cnt; j++)
18 			free((void *)set->tests[i].subtests[j]);
19 		free(set->tests[i].subtests);
20 		free(set->tests[i].name);
21 	}
22 
23 	free(set->tests);
24 	init_test_filter_set(set);
25 }
26 
test_parse_test_list(void)27 static void test_parse_test_list(void)
28 {
29 	struct test_filter_set set;
30 
31 	init_test_filter_set(&set);
32 
33 	ASSERT_OK(parse_test_list("arg_parsing", &set, true), "parsing");
34 	if (!ASSERT_EQ(set.cnt, 1, "test filters count"))
35 		goto error;
36 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
37 		goto error;
38 	ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
39 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "subtest name");
40 	free_test_filter_set(&set);
41 
42 	ASSERT_OK(parse_test_list("arg_parsing,bpf_cookie", &set, true),
43 		  "parsing");
44 	if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
45 		goto error;
46 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
47 		goto error;
48 	ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
49 	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
50 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
51 	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
52 	free_test_filter_set(&set);
53 
54 	ASSERT_OK(parse_test_list("arg_parsing/arg_parsing,bpf_cookie",
55 				  &set,
56 				  true),
57 		  "parsing");
58 	if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
59 		goto error;
60 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
61 		goto error;
62 	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
63 		goto error;
64 	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
65 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
66 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
67 		  "subtest name");
68 	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
69 	free_test_filter_set(&set);
70 
71 	ASSERT_OK(parse_test_list("arg_parsing/arg_parsing", &set, true),
72 		  "parsing");
73 	ASSERT_OK(parse_test_list("bpf_cookie", &set, true), "parsing");
74 	ASSERT_OK(parse_test_list("send_signal", &set, true), "parsing");
75 	if (!ASSERT_EQ(set.cnt, 3, "count of test filters"))
76 		goto error;
77 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
78 		goto error;
79 	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
80 		goto error;
81 	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
82 	ASSERT_EQ(set.tests[2].subtest_cnt, 0, "subtest filters count");
83 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
84 	ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
85 		  "subtest name");
86 	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
87 	ASSERT_OK(strcmp("send_signal", set.tests[2].name), "test name");
88 	free_test_filter_set(&set);
89 
90 	ASSERT_OK(parse_test_list("bpf_cookie/trace", &set, false), "parsing");
91 	if (!ASSERT_EQ(set.cnt, 1, "count of test filters"))
92 		goto error;
93 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
94 		goto error;
95 	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
96 		goto error;
97 	ASSERT_OK(strcmp("*bpf_cookie*", set.tests[0].name), "test name");
98 	ASSERT_OK(strcmp("*trace*", set.tests[0].subtests[0]), "subtest name");
99 	free_test_filter_set(&set);
100 
101 	ASSERT_OK(parse_test_list("t/subtest1,t/subtest2", &set, true),
102 		  "parsing");
103 	if (!ASSERT_EQ(set.cnt, 1, "count of test filters"))
104 		goto error;
105 	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
106 		goto error;
107 	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 2, "subtest filters count"))
108 		goto error;
109 	ASSERT_OK(strcmp("t", set.tests[0].name), "test name");
110 	ASSERT_OK(strcmp("subtest1", set.tests[0].subtests[0]), "subtest name");
111 	ASSERT_OK(strcmp("subtest2", set.tests[0].subtests[1]), "subtest name");
112 error:
113 	free_test_filter_set(&set);
114 }
115 
test_parse_test_list_file(void)116 static void test_parse_test_list_file(void)
117 {
118 	struct test_filter_set set;
119 	char tmpfile[80];
120 	FILE *fp;
121 	int fd;
122 
123 	snprintf(tmpfile, sizeof(tmpfile), "/tmp/bpf_arg_parsing_test.XXXXXX");
124 	fd = mkstemp(tmpfile);
125 	if (!ASSERT_GE(fd, 0, "create tmp"))
126 		return;
127 
128 	fp = fdopen(fd, "w");
129 	if (!ASSERT_NEQ(fp, NULL, "fdopen tmp")) {
130 		close(fd);
131 		goto out_remove;
132 	}
133 
134 	fprintf(fp, "# comment\n");
135 	fprintf(fp, "  test_with_spaces    \n");
136 	fprintf(fp, "testA/subtest    # comment\n");
137 	fprintf(fp, "testB#comment with no space\n");
138 	fprintf(fp, "testB # duplicate\n");
139 	fprintf(fp, "testA/subtest # subtest duplicate\n");
140 	fprintf(fp, "testA/subtest2\n");
141 	fprintf(fp, "testC_no_eof_newline");
142 	fflush(fp);
143 
144 	if (!ASSERT_OK(ferror(fp), "prepare tmp"))
145 		goto out_fclose;
146 
147 	init_test_filter_set(&set);
148 
149 	ASSERT_OK(parse_test_list_file(tmpfile, &set, true), "parse file");
150 
151 	ASSERT_EQ(set.cnt, 4, "test  count");
152 	ASSERT_OK(strcmp("test_with_spaces", set.tests[0].name), "test 0 name");
153 	ASSERT_EQ(set.tests[0].subtest_cnt, 0, "test 0 subtest count");
154 	ASSERT_OK(strcmp("testA", set.tests[1].name), "test 1 name");
155 	ASSERT_EQ(set.tests[1].subtest_cnt, 2, "test 1 subtest count");
156 	ASSERT_OK(strcmp("subtest", set.tests[1].subtests[0]), "test 1 subtest 0");
157 	ASSERT_OK(strcmp("subtest2", set.tests[1].subtests[1]), "test 1 subtest 1");
158 	ASSERT_OK(strcmp("testB", set.tests[2].name), "test 2 name");
159 	ASSERT_OK(strcmp("testC_no_eof_newline", set.tests[3].name), "test 3 name");
160 
161 	free_test_filter_set(&set);
162 
163 out_fclose:
164 	fclose(fp);
165 out_remove:
166 	remove(tmpfile);
167 }
168 
test_arg_parsing(void)169 void test_arg_parsing(void)
170 {
171 	if (test__start_subtest("test_parse_test_list"))
172 		test_parse_test_list();
173 	if (test__start_subtest("test_parse_test_list_file"))
174 		test_parse_test_list_file();
175 }
176