2019-09-23 12:02:40 +03:00
|
|
|
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
/*
|
|
|
|
* KUnit test for core test infrastructure.
|
|
|
|
*
|
|
|
|
* Copyright (C) 2019, Google LLC.
|
|
|
|
* Author: Brendan Higgins <brendanhiggins@google.com>
|
|
|
|
*/
|
|
|
|
#include <kunit/test.h>
|
|
|
|
|
2020-01-07 01:28:19 +03:00
|
|
|
#include "try-catch-impl.h"
|
|
|
|
|
2019-09-23 12:02:40 +03:00
|
|
|
struct kunit_try_catch_test_context {
|
|
|
|
struct kunit_try_catch *try_catch;
|
|
|
|
bool function_called;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void kunit_test_successful_try(void *data)
|
|
|
|
{
|
|
|
|
struct kunit *test = data;
|
|
|
|
struct kunit_try_catch_test_context *ctx = test->priv;
|
|
|
|
|
|
|
|
ctx->function_called = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_test_no_catch(void *data)
|
|
|
|
{
|
|
|
|
struct kunit *test = data;
|
|
|
|
|
|
|
|
KUNIT_FAIL(test, "Catch should not be called\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_test_try_catch_successful_try_no_catch(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_try_catch_test_context *ctx = test->priv;
|
|
|
|
struct kunit_try_catch *try_catch = ctx->try_catch;
|
|
|
|
|
|
|
|
kunit_try_catch_init(try_catch,
|
|
|
|
test,
|
|
|
|
kunit_test_successful_try,
|
|
|
|
kunit_test_no_catch);
|
|
|
|
kunit_try_catch_run(try_catch, test);
|
|
|
|
|
|
|
|
KUNIT_EXPECT_TRUE(test, ctx->function_called);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_test_unsuccessful_try(void *data)
|
|
|
|
{
|
|
|
|
struct kunit *test = data;
|
|
|
|
struct kunit_try_catch_test_context *ctx = test->priv;
|
|
|
|
struct kunit_try_catch *try_catch = ctx->try_catch;
|
|
|
|
|
|
|
|
kunit_try_catch_throw(try_catch);
|
|
|
|
KUNIT_FAIL(test, "This line should never be reached\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_test_catch(void *data)
|
|
|
|
{
|
|
|
|
struct kunit *test = data;
|
|
|
|
struct kunit_try_catch_test_context *ctx = test->priv;
|
|
|
|
|
|
|
|
ctx->function_called = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_test_try_catch_unsuccessful_try_does_catch(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_try_catch_test_context *ctx = test->priv;
|
|
|
|
struct kunit_try_catch *try_catch = ctx->try_catch;
|
|
|
|
|
|
|
|
kunit_try_catch_init(try_catch,
|
|
|
|
test,
|
|
|
|
kunit_test_unsuccessful_try,
|
|
|
|
kunit_test_catch);
|
|
|
|
kunit_try_catch_run(try_catch, test);
|
|
|
|
|
|
|
|
KUNIT_EXPECT_TRUE(test, ctx->function_called);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int kunit_try_catch_test_init(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_try_catch_test_context *ctx;
|
|
|
|
|
|
|
|
ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
|
2019-09-23 12:02:41 +03:00
|
|
|
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
|
2019-09-23 12:02:40 +03:00
|
|
|
test->priv = ctx;
|
|
|
|
|
|
|
|
ctx->try_catch = kunit_kmalloc(test,
|
|
|
|
sizeof(*ctx->try_catch),
|
|
|
|
GFP_KERNEL);
|
2019-09-23 12:02:41 +03:00
|
|
|
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->try_catch);
|
2019-09-23 12:02:40 +03:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct kunit_case kunit_try_catch_test_cases[] = {
|
|
|
|
KUNIT_CASE(kunit_test_try_catch_successful_try_no_catch),
|
|
|
|
KUNIT_CASE(kunit_test_try_catch_unsuccessful_try_does_catch),
|
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct kunit_suite kunit_try_catch_test_suite = {
|
|
|
|
.name = "kunit-try-catch-test",
|
|
|
|
.init = kunit_try_catch_test_init,
|
|
|
|
.test_cases = kunit_try_catch_test_cases,
|
|
|
|
};
|
2019-09-23 12:02:42 +03:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Context for testing test managed resources
|
|
|
|
* is_resource_initialized is used to test arbitrary resources
|
|
|
|
*/
|
|
|
|
struct kunit_test_resource_context {
|
|
|
|
struct kunit test;
|
|
|
|
bool is_resource_initialized;
|
|
|
|
int allocate_order[2];
|
|
|
|
int free_order[2];
|
|
|
|
};
|
|
|
|
|
|
|
|
static int fake_resource_init(struct kunit_resource *res, void *context)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = context;
|
|
|
|
|
|
|
|
res->allocation = &ctx->is_resource_initialized;
|
|
|
|
ctx->is_resource_initialized = true;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fake_resource_free(struct kunit_resource *res)
|
|
|
|
{
|
|
|
|
bool *is_resource_initialized = res->allocation;
|
|
|
|
|
|
|
|
*is_resource_initialized = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_init_resources(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
|
2020-03-26 17:25:07 +03:00
|
|
|
kunit_init_test(&ctx->test, "testing_test_init_test", NULL);
|
2019-09-23 12:02:42 +03:00
|
|
|
|
|
|
|
KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_alloc_resource(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
struct kunit_resource *res;
|
|
|
|
kunit_resource_free_t free = fake_resource_free;
|
|
|
|
|
|
|
|
res = kunit_alloc_and_get_resource(&ctx->test,
|
|
|
|
fake_resource_init,
|
|
|
|
fake_resource_free,
|
|
|
|
GFP_KERNEL,
|
|
|
|
ctx);
|
|
|
|
|
|
|
|
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, res);
|
|
|
|
KUNIT_EXPECT_PTR_EQ(test,
|
|
|
|
&ctx->is_resource_initialized,
|
|
|
|
(bool *) res->allocation);
|
|
|
|
KUNIT_EXPECT_TRUE(test, list_is_last(&res->node, &ctx->test.resources));
|
|
|
|
KUNIT_EXPECT_PTR_EQ(test, free, res->free);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_destroy_resource(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
struct kunit_resource *res = kunit_alloc_and_get_resource(
|
|
|
|
&ctx->test,
|
|
|
|
fake_resource_init,
|
|
|
|
fake_resource_free,
|
|
|
|
GFP_KERNEL,
|
|
|
|
ctx);
|
|
|
|
|
|
|
|
KUNIT_ASSERT_FALSE(test,
|
|
|
|
kunit_resource_destroy(&ctx->test,
|
|
|
|
kunit_resource_instance_match,
|
|
|
|
res->free,
|
|
|
|
res->allocation));
|
|
|
|
|
|
|
|
KUNIT_EXPECT_FALSE(test, ctx->is_resource_initialized);
|
|
|
|
KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_cleanup_resources(struct kunit *test)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
struct kunit_resource *resources[5];
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(resources); i++) {
|
|
|
|
resources[i] = kunit_alloc_and_get_resource(&ctx->test,
|
|
|
|
fake_resource_init,
|
|
|
|
fake_resource_free,
|
|
|
|
GFP_KERNEL,
|
|
|
|
ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
kunit_cleanup(&ctx->test);
|
|
|
|
|
|
|
|
KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_mark_order(int order_array[],
|
|
|
|
size_t order_size,
|
|
|
|
int key)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < order_size && order_array[i]; i++)
|
|
|
|
;
|
|
|
|
|
|
|
|
order_array[i] = key;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define KUNIT_RESOURCE_TEST_MARK_ORDER(ctx, order_field, key) \
|
|
|
|
kunit_resource_test_mark_order(ctx->order_field, \
|
|
|
|
ARRAY_SIZE(ctx->order_field), \
|
|
|
|
key)
|
|
|
|
|
|
|
|
static int fake_resource_2_init(struct kunit_resource *res, void *context)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = context;
|
|
|
|
|
|
|
|
KUNIT_RESOURCE_TEST_MARK_ORDER(ctx, allocate_order, 2);
|
|
|
|
|
|
|
|
res->allocation = ctx;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fake_resource_2_free(struct kunit_resource *res)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = res->allocation;
|
|
|
|
|
|
|
|
KUNIT_RESOURCE_TEST_MARK_ORDER(ctx, free_order, 2);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int fake_resource_1_init(struct kunit_resource *res, void *context)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = context;
|
|
|
|
|
|
|
|
kunit_alloc_and_get_resource(&ctx->test,
|
|
|
|
fake_resource_2_init,
|
|
|
|
fake_resource_2_free,
|
|
|
|
GFP_KERNEL,
|
|
|
|
ctx);
|
|
|
|
|
|
|
|
KUNIT_RESOURCE_TEST_MARK_ORDER(ctx, allocate_order, 1);
|
|
|
|
|
|
|
|
res->allocation = ctx;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fake_resource_1_free(struct kunit_resource *res)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = res->allocation;
|
|
|
|
|
|
|
|
KUNIT_RESOURCE_TEST_MARK_ORDER(ctx, free_order, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO(brendanhiggins@google.com): replace the arrays that keep track of the
|
|
|
|
* order of allocation and freeing with strict mocks using the IN_SEQUENCE macro
|
|
|
|
* to assert allocation and freeing order when the feature becomes available.
|
|
|
|
*/
|
|
|
|
static void kunit_resource_test_proper_free_ordering(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
|
|
|
|
/* fake_resource_1 allocates a fake_resource_2 in its init. */
|
|
|
|
kunit_alloc_and_get_resource(&ctx->test,
|
|
|
|
fake_resource_1_init,
|
|
|
|
fake_resource_1_free,
|
|
|
|
GFP_KERNEL,
|
|
|
|
ctx);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Since fake_resource_2_init calls KUNIT_RESOURCE_TEST_MARK_ORDER
|
|
|
|
* before returning to fake_resource_1_init, it should be the first to
|
|
|
|
* put its key in the allocate_order array.
|
|
|
|
*/
|
|
|
|
KUNIT_EXPECT_EQ(test, ctx->allocate_order[0], 2);
|
|
|
|
KUNIT_EXPECT_EQ(test, ctx->allocate_order[1], 1);
|
|
|
|
|
|
|
|
kunit_cleanup(&ctx->test);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Because fake_resource_2 finishes allocation before fake_resource_1,
|
|
|
|
* fake_resource_1 should be freed first since it could depend on
|
|
|
|
* fake_resource_2.
|
|
|
|
*/
|
|
|
|
KUNIT_EXPECT_EQ(test, ctx->free_order[0], 1);
|
|
|
|
KUNIT_EXPECT_EQ(test, ctx->free_order[1], 2);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int kunit_resource_test_init(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx =
|
|
|
|
kzalloc(sizeof(*ctx), GFP_KERNEL);
|
|
|
|
|
|
|
|
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
|
|
|
|
|
|
|
|
test->priv = ctx;
|
|
|
|
|
2020-03-26 17:25:07 +03:00
|
|
|
kunit_init_test(&ctx->test, "test_test_context", NULL);
|
2019-09-23 12:02:42 +03:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void kunit_resource_test_exit(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_test_resource_context *ctx = test->priv;
|
|
|
|
|
|
|
|
kunit_cleanup(&ctx->test);
|
|
|
|
kfree(ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct kunit_case kunit_resource_test_cases[] = {
|
|
|
|
KUNIT_CASE(kunit_resource_test_init_resources),
|
|
|
|
KUNIT_CASE(kunit_resource_test_alloc_resource),
|
|
|
|
KUNIT_CASE(kunit_resource_test_destroy_resource),
|
|
|
|
KUNIT_CASE(kunit_resource_test_cleanup_resources),
|
|
|
|
KUNIT_CASE(kunit_resource_test_proper_free_ordering),
|
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct kunit_suite kunit_resource_test_suite = {
|
|
|
|
.name = "kunit-resource-test",
|
|
|
|
.init = kunit_resource_test_init,
|
|
|
|
.exit = kunit_resource_test_exit,
|
|
|
|
.test_cases = kunit_resource_test_cases,
|
|
|
|
};
|
2020-03-26 17:25:08 +03:00
|
|
|
|
|
|
|
static void kunit_log_test(struct kunit *test);
|
|
|
|
|
|
|
|
static struct kunit_case kunit_log_test_cases[] = {
|
|
|
|
KUNIT_CASE(kunit_log_test),
|
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct kunit_suite kunit_log_test_suite = {
|
|
|
|
.name = "kunit-log-test",
|
|
|
|
.test_cases = kunit_log_test_cases,
|
|
|
|
};
|
|
|
|
|
|
|
|
static void kunit_log_test(struct kunit *test)
|
|
|
|
{
|
|
|
|
struct kunit_suite *suite = &kunit_log_test_suite;
|
|
|
|
|
|
|
|
kunit_log(KERN_INFO, test, "put this in log.");
|
|
|
|
kunit_log(KERN_INFO, test, "this too.");
|
|
|
|
kunit_log(KERN_INFO, suite, "add to suite log.");
|
|
|
|
kunit_log(KERN_INFO, suite, "along with this.");
|
|
|
|
|
|
|
|
#ifdef CONFIG_KUNIT_DEBUGFS
|
|
|
|
KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
|
|
|
|
strstr(test->log, "put this in log."));
|
|
|
|
KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
|
|
|
|
strstr(test->log, "this too."));
|
|
|
|
KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
|
|
|
|
strstr(suite->log, "add to suite log."));
|
|
|
|
KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
|
|
|
|
strstr(suite->log, "along with this."));
|
|
|
|
#else
|
|
|
|
KUNIT_EXPECT_PTR_EQ(test, test->log, (char *)NULL);
|
|
|
|
KUNIT_EXPECT_PTR_EQ(test, suite->log, (char *)NULL);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
kunit_test_suites(&kunit_try_catch_test_suite, &kunit_resource_test_suite,
|
|
|
|
&kunit_log_test_suite);
|
2020-01-07 01:28:20 +03:00
|
|
|
|
|
|
|
MODULE_LICENSE("GPL v2");
|