mirror of
https://github.com/octoleo/restic.git
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946c8399e2
Exclude minio-go for now (pin to 3.x.y).
177 lines
4.6 KiB
Go
177 lines
4.6 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package firestore
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// A simple mock server.
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import (
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"fmt"
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"cloud.google.com/go/internal/testutil"
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pb "google.golang.org/genproto/googleapis/firestore/v1beta1"
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"github.com/golang/protobuf/proto"
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"github.com/golang/protobuf/ptypes/empty"
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"golang.org/x/net/context"
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)
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type mockServer struct {
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pb.FirestoreServer
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Addr string
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reqItems []reqItem
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resps []interface{}
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}
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type reqItem struct {
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wantReq proto.Message
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adjust func(gotReq proto.Message)
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}
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func newMockServer() (*mockServer, error) {
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srv, err := testutil.NewServer()
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if err != nil {
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return nil, err
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}
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mock := &mockServer{Addr: srv.Addr}
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pb.RegisterFirestoreServer(srv.Gsrv, mock)
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srv.Start()
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return mock, nil
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}
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// addRPC adds a (request, response) pair to the server's list of expected
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// interactions. The server will compare the incoming request with wantReq
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// using proto.Equal.
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//
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// Passing nil for wantReq disables the request check.
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func (s *mockServer) addRPC(wantReq proto.Message, resp interface{}) {
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s.addRPCAdjust(wantReq, resp, nil)
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}
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// addRPCAdjust is like addRPC, but accepts a function that can be used
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// to tweak the requests before comparison, for example to adjust for
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// randomness.
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func (s *mockServer) addRPCAdjust(wantReq proto.Message, resp interface{}, adjust func(proto.Message)) {
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s.reqItems = append(s.reqItems, reqItem{wantReq, adjust})
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s.resps = append(s.resps, resp)
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}
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// popRPC compares the request with the next expected (request, response) pair.
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// It returns the response, or an error if the request doesn't match what
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// was expected or there are no expected rpcs.
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func (s *mockServer) popRPC(gotReq proto.Message) (interface{}, error) {
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if len(s.reqItems) == 0 {
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panic("out of RPCs")
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}
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ri := s.reqItems[0]
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s.reqItems = s.reqItems[1:]
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if ri.wantReq != nil {
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if ri.adjust != nil {
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ri.adjust(gotReq)
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}
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if !proto.Equal(gotReq, ri.wantReq) {
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return nil, fmt.Errorf("mockServer: bad request\ngot: %T\n%s\nwant: %T\n%s",
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gotReq, proto.MarshalTextString(gotReq),
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ri.wantReq, proto.MarshalTextString(ri.wantReq))
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}
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}
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resp := s.resps[0]
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s.resps = s.resps[1:]
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if err, ok := resp.(error); ok {
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return nil, err
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}
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return resp, nil
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}
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func (s *mockServer) reset() {
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s.reqItems = nil
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s.resps = nil
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}
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func (s *mockServer) GetDocument(_ context.Context, req *pb.GetDocumentRequest) (*pb.Document, error) {
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res, err := s.popRPC(req)
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if err != nil {
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return nil, err
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}
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return res.(*pb.Document), nil
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}
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func (s *mockServer) Commit(_ context.Context, req *pb.CommitRequest) (*pb.CommitResponse, error) {
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res, err := s.popRPC(req)
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if err != nil {
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return nil, err
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}
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return res.(*pb.CommitResponse), nil
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}
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func (s *mockServer) BatchGetDocuments(req *pb.BatchGetDocumentsRequest, bs pb.Firestore_BatchGetDocumentsServer) error {
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res, err := s.popRPC(req)
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if err != nil {
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return err
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}
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responses := res.([]interface{})
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for _, res := range responses {
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switch res := res.(type) {
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case *pb.BatchGetDocumentsResponse:
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if err := bs.Send(res); err != nil {
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return err
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}
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case error:
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return res
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default:
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panic(fmt.Sprintf("bad response type in BatchGetDocuments: %+v", res))
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}
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}
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return nil
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}
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func (s *mockServer) RunQuery(req *pb.RunQueryRequest, qs pb.Firestore_RunQueryServer) error {
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res, err := s.popRPC(req)
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if err != nil {
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return err
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}
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responses := res.([]interface{})
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for _, res := range responses {
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switch res := res.(type) {
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case *pb.RunQueryResponse:
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if err := qs.Send(res); err != nil {
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return err
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}
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case error:
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return res
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default:
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panic(fmt.Sprintf("bad response type in RunQuery: %+v", res))
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}
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}
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return nil
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}
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func (s *mockServer) BeginTransaction(_ context.Context, req *pb.BeginTransactionRequest) (*pb.BeginTransactionResponse, error) {
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res, err := s.popRPC(req)
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if err != nil {
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return nil, err
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}
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return res.(*pb.BeginTransactionResponse), nil
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}
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func (s *mockServer) Rollback(_ context.Context, req *pb.RollbackRequest) (*empty.Empty, error) {
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res, err := s.popRPC(req)
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if err != nil {
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return nil, err
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}
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return res.(*empty.Empty), nil
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}
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