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
|
// SPDX-License-Identifier: GPL-2.0
/*
* Base unit test (KUnit) API.
*
* Copyright (C) 2019, Google LLC.
* Author: Brendan Higgins <brendanhiggins@google.com>
*/
#include <kunit/test.h>
#include <linux/kernel.h>
static void kunit_set_failure(struct kunit *test)
{
WRITE_ONCE(test->success, false);
}
static int kunit_vprintk_emit(int level, const char *fmt, va_list args)
{
return vprintk_emit(0, level, NULL, 0, fmt, args);
}
static int kunit_printk_emit(int level, const char *fmt, ...)
{
va_list args;
int ret;
va_start(args, fmt);
ret = kunit_vprintk_emit(level, fmt, args);
va_end(args);
return ret;
}
static void kunit_vprintk(const struct kunit *test,
const char *level,
struct va_format *vaf)
{
kunit_printk_emit(level[1] - '0', "\t# %s: %pV", test->name, vaf);
}
static void kunit_print_tap_version(void)
{
static bool kunit_has_printed_tap_version;
if (!kunit_has_printed_tap_version) {
kunit_printk_emit(LOGLEVEL_INFO, "TAP version 14\n");
kunit_has_printed_tap_version = true;
}
}
static size_t kunit_test_cases_len(struct kunit_case *test_cases)
{
struct kunit_case *test_case;
size_t len = 0;
for (test_case = test_cases; test_case->run_case; test_case++)
len++;
return len;
}
static void kunit_print_subtest_start(struct kunit_suite *suite)
{
kunit_print_tap_version();
kunit_printk_emit(LOGLEVEL_INFO, "\t# Subtest: %s\n", suite->name);
kunit_printk_emit(LOGLEVEL_INFO,
"\t1..%zd\n",
kunit_test_cases_len(suite->test_cases));
}
static void kunit_print_ok_not_ok(bool should_indent,
bool is_ok,
size_t test_number,
const char *description)
{
const char *indent, *ok_not_ok;
if (should_indent)
indent = "\t";
else
indent = "";
if (is_ok)
ok_not_ok = "ok";
else
ok_not_ok = "not ok";
kunit_printk_emit(LOGLEVEL_INFO,
"%s%s %zd - %s\n",
indent, ok_not_ok, test_number, description);
}
static bool kunit_suite_has_succeeded(struct kunit_suite *suite)
{
const struct kunit_case *test_case;
for (test_case = suite->test_cases; test_case->run_case; test_case++)
if (!test_case->success)
return false;
return true;
}
static void kunit_print_subtest_end(struct kunit_suite *suite)
{
static size_t kunit_suite_counter = 1;
kunit_print_ok_not_ok(false,
kunit_suite_has_succeeded(suite),
kunit_suite_counter++,
suite->name);
}
static void kunit_print_test_case_ok_not_ok(struct kunit_case *test_case,
size_t test_number)
{
kunit_print_ok_not_ok(true,
test_case->success,
test_number,
test_case->name);
}
void kunit_init_test(struct kunit *test, const char *name)
{
test->name = name;
test->success = true;
}
/*
* Performs all logic to run a test case.
*/
static void kunit_run_case(struct kunit_suite *suite,
struct kunit_case *test_case)
{
struct kunit test;
kunit_init_test(&test, test_case->name);
if (suite->init) {
int ret;
ret = suite->init(&test);
if (ret) {
kunit_err(&test, "failed to initialize: %d\n", ret);
kunit_set_failure(&test);
test_case->success = test.success;
return;
}
}
test_case->run_case(&test);
if (suite->exit)
suite->exit(&test);
test_case->success = test.success;
}
int kunit_run_tests(struct kunit_suite *suite)
{
struct kunit_case *test_case;
size_t test_case_count = 1;
kunit_print_subtest_start(suite);
for (test_case = suite->test_cases; test_case->run_case; test_case++) {
kunit_run_case(suite, test_case);
kunit_print_test_case_ok_not_ok(test_case, test_case_count++);
}
kunit_print_subtest_end(suite);
return 0;
}
void kunit_printk(const char *level,
const struct kunit *test,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
kunit_vprintk(test, level, &vaf);
va_end(args);
}
|
