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grpc_plugin_test.cc
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "google/cloud/storage/grpc_plugin.h"
#include "google/cloud/storage/options.h"
#include "google/cloud/common_options.h"
#include "google/cloud/credentials.h"
#include "google/cloud/testing_util/scoped_environment.h"
#include <gmock/gmock.h>
namespace google {
namespace cloud {
namespace storage {
GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_BEGIN
namespace {
using ::google::cloud::storage::internal::ClientImplDetails;
using ::google::cloud::testing_util::ScopedEnvironment;
using ::testing::ElementsAre;
using ::testing::NotNull;
Options TestOptions() {
return Options{}
.set<UnifiedCredentialsOption>(MakeInsecureCredentials())
.set<storage::RestEndpointOption>("http://localhost:1")
.set<EndpointOption>("localhost:1");
}
TEST(GrpcPluginTest, DefaultCreatesGrpc) {
// Explicitly disable logging, which may be enabled by our CI builds.
auto logging =
ScopedEnvironment("CLOUD_STORAGE_ENABLE_TRACING", absl::nullopt);
auto config =
ScopedEnvironment("GOOGLE_CLOUD_CPP_STORAGE_GRPC_CONFIG", absl::nullopt);
auto client = MakeGrpcClient(TestOptions());
auto impl = ClientImplDetails::GetConnection(client);
ASSERT_THAT(impl, NotNull());
EXPECT_THAT(impl->InspectStackStructure(),
ElementsAre("GrpcStub", "StorageConnectionImpl"));
}
TEST(GrpcPluginTest, UnsetConfigCreatesMetadata) {
// Explicitly disable logging, which may be enabled by our CI builds.
auto logging =
ScopedEnvironment("CLOUD_STORAGE_ENABLE_TRACING", absl::nullopt);
auto config =
ScopedEnvironment("GOOGLE_CLOUD_CPP_STORAGE_GRPC_CONFIG", absl::nullopt);
auto client = MakeGrpcClient(TestOptions());
auto impl = ClientImplDetails::GetConnection(client);
ASSERT_THAT(impl, NotNull());
EXPECT_THAT(impl->InspectStackStructure(),
ElementsAre("GrpcStub", "StorageConnectionImpl"));
}
TEST(GrpcPluginTest, GrpcMetricsExcludedLabelsOption) {
auto const expected =
std::set<std::string>{"service_name", "service_version", "custom_label"};
auto opts =
google::cloud::Options{}
.set<storage_experimental::GrpcMetricsExcludedLabelsOption>(expected);
EXPECT_EQ(expected,
opts.get<storage_experimental::GrpcMetricsExcludedLabelsOption>());
}
TEST(GrpcPluginTest, GrpcMetricsExcludedLabelsOptionEmpty) {
auto const expected = std::set<std::string>{};
auto opts =
google::cloud::Options{}
.set<storage_experimental::GrpcMetricsExcludedLabelsOption>(expected);
EXPECT_TRUE(opts.get<storage_experimental::GrpcMetricsExcludedLabelsOption>()
.empty());
}
TEST(GrpcPluginTest, GrpcMetricsExcludedLabelsOptionSingle) {
auto const expected = std::set<std::string>{"service_name"};
auto opts =
google::cloud::Options{}
.set<storage_experimental::GrpcMetricsExcludedLabelsOption>(expected);
EXPECT_EQ(
1,
opts.get<storage_experimental::GrpcMetricsExcludedLabelsOption>().size());
EXPECT_EQ(expected,
opts.get<storage_experimental::GrpcMetricsExcludedLabelsOption>());
}
} // namespace
GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END
} // namespace storage
} // namespace cloud
} // namespace google