cleanup(mixin): add one API test case for location mixin (#14813)

* cleanup(mixin): add one API test case for location mixin

* fix format

* add test fix nit

Author: cuiy0006

generator/integration_tests/benchmarks/client_benchmark.cc

@@ -24,6 +24,7 @@
 #include "google/cloud/internal/make_status.h"
 #include "google/cloud/log.h"
 #include "google/cloud/version.h"
+#include <google/cloud/location/locations.grpc.pb.h>
 #include <benchmark/benchmark.h>
 #include <memory>
 
@@ -144,6 +145,12 @@ class TestStub : public GoldenKitchenSinkStub {
     return Status();
   }
 
+  StatusOr<::google::cloud::location::Location> GetLocation(
+      grpc::ClientContext&, Options const&,
+      ::google::cloud::location::GetLocationRequest const&) override {
+    return internal::UnimplementedError("unimplemented");
+  }
+
   std::unique_ptr<::google::cloud::internal::AsyncStreamingReadRpc<
       google::test::admin::database::v1::Response>>
   AsyncStreamingRead(

generator/integration_tests/golden/v1/golden_kitchen_sink_client.cc

@@ -181,6 +181,12 @@ GoldenKitchenSinkClient::ExplicitRouting2(google::test::admin::database::v1::Exp
   return connection_->ExplicitRouting2(request);
 }
 
+StatusOr<google::cloud::location::Location>
+GoldenKitchenSinkClient::GetLocation(google::cloud::location::GetLocationRequest const& request, Options opts) {
+  internal::OptionsSpan span(internal::MergeOptions(std::move(opts), options_));
+  return connection_->GetLocation(request);
+}
+
 GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END
 }  // namespace golden_v1
 }  // namespace cloud

generator/integration_tests/golden/v1/golden_kitchen_sink_client.h

@@ -746,6 +746,36 @@ class GoldenKitchenSinkClient {
   Status
   ExplicitRouting2(google::test::admin::database::v1::ExplicitRoutingRequest const& request, Options opts = {});
 
+  // clang-format off
+  ///
+  /// Gets information about a location.
+  ///
+  /// @param request Unary RPCs, such as the one wrapped by this
+  ///     function, receive a single `request` proto message which includes all
+  ///     the inputs for the RPC. In this case, the proto message is a
+  ///     [google.cloud.location.GetLocationRequest].
+  ///     Proto messages are converted to C++ classes by Protobuf, using the
+  ///     [Protobuf mapping rules].
+  /// @param opts Optional. Override the class-level options, such as retry and
+  ///     backoff policies.
+  /// @return the result of the RPC. The response message type
+  ///     ([google.cloud.location.Location])
+  ///     is mapped to a C++ class using the [Protobuf mapping rules].
+  ///     If the request fails, the [`StatusOr`] contains the error details.
+  ///
+  /// [Protobuf mapping rules]: https://protobuf.dev/reference/cpp/cpp-generated/
+  /// [input iterator requirements]: https://en.cppreference.com/w/cpp/named_req/InputIterator
+  /// [`std::string`]: https://en.cppreference.com/w/cpp/string/basic_string
+  /// [`future`]: @ref google::cloud::future
+  /// [`StatusOr`]: @ref google::cloud::StatusOr
+  /// [`Status`]: @ref google::cloud::Status
+  /// [google.cloud.location.GetLocationRequest]: @googleapis_reference_link{google/cloud/location/locations.proto#L82}
+  /// [google.cloud.location.Location]: @googleapis_reference_link{google/cloud/location/locations.proto#L88}
+  ///
+  // clang-format on
+  StatusOr<google::cloud::location::Location>
+  GetLocation(google::cloud::location::GetLocationRequest const& request, Options opts = {});
+
  private:
   std::shared_ptr<GoldenKitchenSinkConnection> connection_;
   Options options_;

generator/integration_tests/golden/v1/golden_kitchen_sink_connection.cc

@@ -113,6 +113,12 @@ GoldenKitchenSinkConnection::ExplicitRouting2(
   return Status(StatusCode::kUnimplemented, "not implemented");
 }
 
+StatusOr<google::cloud::location::Location>
+GoldenKitchenSinkConnection::GetLocation(
+    google::cloud::location::GetLocationRequest const&) {
+  return Status(StatusCode::kUnimplemented, "not implemented");
+}
+
 std::shared_ptr<GoldenKitchenSinkConnection> MakeGoldenKitchenSinkConnection(
     Options options) {
   internal::CheckExpectedOptions<CommonOptionList, GrpcOptionList,

generator/integration_tests/golden/v1/golden_kitchen_sink_connection.h

@@ -214,6 +214,9 @@ class GoldenKitchenSinkConnection {
 
   virtual Status
   ExplicitRouting2(google::test::admin::database::v1::ExplicitRoutingRequest const& request);
+
+  virtual StatusOr<google::cloud::location::Location>
+  GetLocation(google::cloud::location::GetLocationRequest const& request);
 };
 
 /**

generator/integration_tests/golden/v1/golden_kitchen_sink_connection_idempotency_policy.cc

@@ -69,6 +69,10 @@ Idempotency GoldenKitchenSinkConnectionIdempotencyPolicy::ExplicitRouting2(googl
   return Idempotency::kNonIdempotent;
 }
 
+Idempotency GoldenKitchenSinkConnectionIdempotencyPolicy::GetLocation(google::cloud::location::GetLocationRequest const&) {
+  return Idempotency::kIdempotent;
+}
+
 std::unique_ptr<GoldenKitchenSinkConnectionIdempotencyPolicy>
     MakeDefaultGoldenKitchenSinkConnectionIdempotencyPolicy() {
   return std::make_unique<GoldenKitchenSinkConnectionIdempotencyPolicy>();

generator/integration_tests/golden/v1/golden_kitchen_sink_connection_idempotency_policy.h

@@ -22,6 +22,7 @@
 #include "google/cloud/idempotency.h"
 #include "google/cloud/version.h"
 #include <generator/integration_tests/test.grpc.pb.h>
+#include <google/cloud/location/locations.grpc.pb.h>
 #include <memory>
 
 namespace google {
@@ -62,6 +63,9 @@ class GoldenKitchenSinkConnectionIdempotencyPolicy {
 
   virtual google::cloud::Idempotency
   ExplicitRouting2(google::test::admin::database::v1::ExplicitRoutingRequest const& request);
+
+  virtual google::cloud::Idempotency
+  GetLocation(google::cloud::location::GetLocationRequest const& request);
 };
 
 std::unique_ptr<GoldenKitchenSinkConnectionIdempotencyPolicy>

generator/integration_tests/golden/v1/golden_thing_admin_client.cc

@@ -419,6 +419,12 @@ GoldenThingAdminClient::LongRunningWithoutRouting(google::longrunning::Operation
   return connection_->LongRunningWithoutRouting(operation);
 }
 
+StatusOr<google::cloud::location::Location>
+GoldenThingAdminClient::GetLocation(google::cloud::location::GetLocationRequest const& request, Options opts) {
+  internal::OptionsSpan span(internal::MergeOptions(std::move(opts), options_));
+  return connection_->GetLocation(request);
+}
+
 future<StatusOr<google::test::admin::database::v1::Database>>
 GoldenThingAdminClient::AsyncGetDatabase(std::string const& name, Options opts) {
   internal::OptionsSpan span(internal::MergeOptions(std::move(opts), options_));

generator/integration_tests/golden/v1/golden_thing_admin_client.h

@@ -29,6 +29,7 @@
 #include "google/cloud/version.h"
 #include "google/cloud/iam_updater.h"
 #include <google/longrunning/operations.grpc.pb.h>
+#include <map>
 #include <memory>
 #include <string>
 
@@ -1658,6 +1659,36 @@ class GoldenThingAdminClient {
   future<StatusOr<google::test::admin::database::v1::Database>>
   LongRunningWithoutRouting(google::longrunning::Operation const& operation, Options opts = {});
 
+  // clang-format off
+  ///
+  /// Gets information about a location.
+  ///
+  /// @param request Unary RPCs, such as the one wrapped by this
+  ///     function, receive a single `request` proto message which includes all
+  ///     the inputs for the RPC. In this case, the proto message is a
+  ///     [google.cloud.location.GetLocationRequest].
+  ///     Proto messages are converted to C++ classes by Protobuf, using the
+  ///     [Protobuf mapping rules].
+  /// @param opts Optional. Override the class-level options, such as retry and
+  ///     backoff policies.
+  /// @return the result of the RPC. The response message type
+  ///     ([google.cloud.location.Location])
+  ///     is mapped to a C++ class using the [Protobuf mapping rules].
+  ///     If the request fails, the [`StatusOr`] contains the error details.
+  ///
+  /// [Protobuf mapping rules]: https://protobuf.dev/reference/cpp/cpp-generated/
+  /// [input iterator requirements]: https://en.cppreference.com/w/cpp/named_req/InputIterator
+  /// [`std::string`]: https://en.cppreference.com/w/cpp/string/basic_string
+  /// [`future`]: @ref google::cloud::future
+  /// [`StatusOr`]: @ref google::cloud::StatusOr
+  /// [`Status`]: @ref google::cloud::Status
+  /// [google.cloud.location.GetLocationRequest]: @googleapis_reference_link{google/cloud/location/locations.proto#L82}
+  /// [google.cloud.location.Location]: @googleapis_reference_link{google/cloud/location/locations.proto#L88}
+  ///
+  // clang-format on
+  StatusOr<google::cloud::location::Location>
+  GetLocation(google::cloud::location::GetLocationRequest const& request, Options opts = {});
+
   // clang-format off
   ///
   /// Gets the state of a Cloud Test database.

generator/integration_tests/golden/v1/golden_thing_admin_connection.cc

@@ -236,6 +236,12 @@ GoldenThingAdminConnection::LongRunningWithoutRouting(
     Status(StatusCode::kUnimplemented, "not implemented"));
 }
 
+StatusOr<google::cloud::location::Location>
+GoldenThingAdminConnection::GetLocation(
+    google::cloud::location::GetLocationRequest const&) {
+  return Status(StatusCode::kUnimplemented, "not implemented");
+}
+
 future<StatusOr<google::test::admin::database::v1::Database>>
 GoldenThingAdminConnection::AsyncGetDatabase(
     google::test::admin::database::v1::GetDatabaseRequest const&) {