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// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <kunit/test.h>
#include "trace.h"
struct parse_event_string_test_case {
const char *input;
const char *match, *sub, *event, *mod, *filter;
};
static const struct parse_event_string_test_case parse_event_string_test_cases[] = {
{
"",
.match = "",
},
{
"*:event",
.event = "event",
},
{
":event",
.event = "event",
},
{
"sub:*",
.sub = "sub",
},
{
"sub:",
.sub = "sub",
},
{
"sub:event",
.sub = "sub",
.event = "event",
},
{
"sub:event:filter:filter",
.sub = "sub",
.event = "event",
.filter = "filter",
},
{
"match",
.match = "match",
},
{
":mod:module",
.mod = "module",
},
{
"sub:event:mod:module",
.sub = "sub",
.event = "event",
.mod = "module",
},
{
"sub:event:mod:module:filter:filter",
.sub = "sub",
.event = "event",
.mod = "module",
.filter = "filter",
},
{
"sub:event:mod:module:filter:unexpected-filter",
.sub = "sub",
.event = "event",
.mod = "module:filter:unexpected-filter",
},
};
static void
parse_event_string_test_desc(const struct parse_event_string_test_case *params, char *desc)
{
snprintf(desc, KUNIT_PARAM_DESC_SIZE, "'%s'", params->input);
}
KUNIT_ARRAY_PARAM(parse_event_string, parse_event_string_test_cases, parse_event_string_test_desc);
#define EXPECT_NULL_OR_STR_EQ(test, left, right) \
({ \
if ((left) != NULL) \
KUNIT_EXPECT_STREQ(test, (left), (right)); \
else \
KUNIT_EXPECT_NULL(test, (right)); \
})
static void parse_event_string(struct kunit *test)
{
const struct parse_event_string_test_case *params = test->param_value;
char *input, *match, *sub, *event, *mod, *filter;
input = kunit_kstrdup(test, params->input, GFP_KERNEL);
if (!input)
kunit_skip(test, "ENOMEM");
ftrace_parse_event_string(input, &match, &sub, &event, &mod, params->filter, &filter);
EXPECT_NULL_OR_STR_EQ(test, match, params->match);
EXPECT_NULL_OR_STR_EQ(test, sub, params->sub);
EXPECT_NULL_OR_STR_EQ(test, event, params->event);
EXPECT_NULL_OR_STR_EQ(test, mod, params->mod);
EXPECT_NULL_OR_STR_EQ(test, filter, params->filter);
}
static struct kunit_case trace_events_test_cases[] = {
KUNIT_CASE_PARAM(parse_event_string, parse_event_string_gen_params),
{}
};
static struct kunit_suite trace_events_test_suite = {
.name = "trace-events",
.test_cases = trace_events_test_cases,
};
kunit_test_suite(trace_events_test_suite);
MODULE_DESCRIPTION("KUnit test for the event tracing implementation");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
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