rocksdb/utilities/env_registry_test.cc

73 lines
2.0 KiB
C++

// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#ifndef ROCKSDB_LITE
#include "rocksdb/utilities/env_registry.h"
#include "util/testharness.h"
namespace rocksdb {
class EnvRegistryTest : public testing::Test {
public:
static int num_a, num_b;
};
int EnvRegistryTest::num_a = 0;
int EnvRegistryTest::num_b = 0;
static EnvRegistrar test_reg_a("a://", [](const std::string& uri,
std::unique_ptr<Env>* env_guard) {
++EnvRegistryTest::num_a;
return Env::Default();
});
static EnvRegistrar test_reg_b("b://", [](const std::string& uri,
std::unique_ptr<Env>* env_guard) {
++EnvRegistryTest::num_b;
// Env::Default() is a singleton so we can't grant ownership directly to the
// caller - we must wrap it first.
env_guard->reset(new EnvWrapper(Env::Default()));
return env_guard->get();
});
TEST_F(EnvRegistryTest, Basics) {
std::unique_ptr<Env> env_guard;
auto res = NewEnvFromUri("a://test", &env_guard);
ASSERT_NE(res, nullptr);
ASSERT_EQ(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(0, num_b);
res = NewEnvFromUri("b://test", &env_guard);
ASSERT_NE(res, nullptr);
ASSERT_NE(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(1, num_b);
res = NewEnvFromUri("c://test", &env_guard);
ASSERT_EQ(res, nullptr);
ASSERT_EQ(env_guard, nullptr);
ASSERT_EQ(1, num_a);
ASSERT_EQ(1, num_b);
}
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#else // ROCKSDB_LITE
#include <stdio.h>
int main(int argc, char** argv) {
fprintf(stderr, "SKIPPED as EnvRegistry is not supported in ROCKSDB_LITE\n");
return 0;
}
#endif // ROCKSDB_LITE