| // Copyright 2020 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. |
| |
| package testutil |
| |
| import ( |
| "context" |
| |
| "github.com/golang/protobuf/proto" |
| instancepb "google.golang.org/genproto/googleapis/spanner/admin/instance/v1" |
| ) |
| |
| // InMemInstanceAdminServer contains the InstanceAdminServer interface plus a couple |
| // of specific methods for setting mocked results. |
| type InMemInstanceAdminServer interface { |
| instancepb.InstanceAdminServer |
| Stop() |
| Resps() []proto.Message |
| SetResps([]proto.Message) |
| Reqs() []proto.Message |
| SetReqs([]proto.Message) |
| SetErr(error) |
| } |
| |
| // inMemInstanceAdminServer implements InMemInstanceAdminServer interface. Note that |
| // there is no mutex protecting the data structures, so it is not safe for |
| // concurrent use. |
| type inMemInstanceAdminServer struct { |
| instancepb.InstanceAdminServer |
| reqs []proto.Message |
| // If set, all calls return this error |
| err error |
| // responses to return if err == nil |
| resps []proto.Message |
| } |
| |
| // NewInMemInstanceAdminServer creates a new in-mem test server. |
| func NewInMemInstanceAdminServer() InMemInstanceAdminServer { |
| res := &inMemInstanceAdminServer{} |
| return res |
| } |
| |
| // GetInstance returns the metadata of a spanner instance. |
| func (s *inMemInstanceAdminServer) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest) (*instancepb.Instance, error) { |
| s.reqs = append(s.reqs, req) |
| if s.err != nil { |
| defer func() { s.err = nil }() |
| return nil, s.err |
| } |
| return s.resps[0].(*instancepb.Instance), nil |
| } |
| |
| func (s *inMemInstanceAdminServer) Stop() { |
| // do nothing |
| } |
| |
| func (s *inMemInstanceAdminServer) Resps() []proto.Message { |
| return s.resps |
| } |
| |
| func (s *inMemInstanceAdminServer) SetResps(resps []proto.Message) { |
| s.resps = resps |
| } |
| |
| func (s *inMemInstanceAdminServer) Reqs() []proto.Message { |
| return s.reqs |
| } |
| |
| func (s *inMemInstanceAdminServer) SetReqs(reqs []proto.Message) { |
| s.reqs = reqs |
| } |
| |
| func (s *inMemInstanceAdminServer) SetErr(err error) { |
| s.err = err |
| } |