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// 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
}
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