1/* 2Copyright 2019 Google LLC 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package mockserver 18 19import ( 20 "context" 21 "net" 22 23 btpb "google.golang.org/genproto/googleapis/bigtable/v2" 24 "google.golang.org/grpc" 25 "google.golang.org/grpc/codes" 26 "google.golang.org/grpc/status" 27) 28 29// Server is an in-memory Cloud Bigtable fake. 30// It is unauthenticated, and only a rough approximation. 31type Server struct { 32 Addr string 33 34 l net.Listener 35 srv *grpc.Server 36 37 // Any unimplemented methods will cause a panic when called. 38 btpb.BigtableServer 39 40 // Assign new functions to these parameters to implement specific mock 41 // functionality. 42 43 // ReadRowsFn mocks ReadRows. 44 ReadRowsFn func(*btpb.ReadRowsRequest, btpb.Bigtable_ReadRowsServer) error 45 // SampleRowKeysFn mocks SampleRowKeys. 46 SampleRowKeysFn func(*btpb.SampleRowKeysRequest, btpb.Bigtable_SampleRowKeysServer) error 47 // MutateRowFn mocks MutateRow. 48 MutateRowFn func(context.Context, *btpb.MutateRowRequest) (*btpb.MutateRowResponse, error) 49 // MutateRowsFn mocks MutateRows. 50 MutateRowsFn func(*btpb.MutateRowsRequest, btpb.Bigtable_MutateRowsServer) error 51 // CheckAndMutateRowFn mocks CheckAndMutateRow. 52 CheckAndMutateRowFn func(context.Context, *btpb.CheckAndMutateRowRequest) (*btpb.CheckAndMutateRowResponse, error) 53 // ReadModifyWriteRowFn mocks ReadModifyWriteRow. 54 ReadModifyWriteRowFn func(context.Context, *btpb.ReadModifyWriteRowRequest) (*btpb.ReadModifyWriteRowResponse, error) 55} 56 57// NewServer creates a new Server. 58// The Server will be listening for gRPC connections, without TLS, 59// on the provided address. The resolved address is named by the Addr field. 60func NewServer(laddr string, opt ...grpc.ServerOption) (*Server, error) { 61 l, err := net.Listen("tcp", laddr) 62 if err != nil { 63 return nil, err 64 } 65 66 srv := grpc.NewServer(opt...) 67 s := &Server{ 68 Addr: l.Addr().String(), 69 l: l, 70 srv: srv, 71 } 72 73 btpb.RegisterBigtableServer(srv, s) 74 go srv.Serve(s.l) 75 return s, nil 76} 77 78// Close closes the server. 79func (s *Server) Close() error { 80 if err := s.l.Close(); err != nil { 81 return err 82 } 83 s.srv.Stop() 84 return nil 85} 86 87// ReadRows implements ReadRows of the BigtableServer interface. 88func (s *Server) ReadRows(req *btpb.ReadRowsRequest, srv btpb.Bigtable_ReadRowsServer) error { 89 if s.ReadRowsFn != nil { 90 return s.ReadRowsFn(req, srv) 91 } 92 return status.Error(codes.Unimplemented, "unimplemented") 93} 94 95// SampleRowKeys implements SampleRowKeys of the BigtableServer interface. 96func (s *Server) SampleRowKeys(req *btpb.SampleRowKeysRequest, srv btpb.Bigtable_SampleRowKeysServer) error { 97 if s.SampleRowKeysFn != nil { 98 return s.SampleRowKeysFn(req, srv) 99 } 100 return status.Error(codes.Unimplemented, "unimplemented") 101} 102 103// MutateRow implements MutateRow of the BigtableServer interface. 104func (s *Server) MutateRow(ctx context.Context, req *btpb.MutateRowRequest) (*btpb.MutateRowResponse, error) { 105 if s.MutateRowFn != nil { 106 return s.MutateRowFn(ctx, req) 107 } 108 return nil, status.Error(codes.Unimplemented, "unimplemented") 109} 110 111// MutateRows implements MutateRows of the BigtableServer interface. 112func (s *Server) MutateRows(req *btpb.MutateRowsRequest, srv btpb.Bigtable_MutateRowsServer) error { 113 if s.MutateRowsFn != nil { 114 return s.MutateRowsFn(req, srv) 115 } 116 return status.Error(codes.Unimplemented, "unimplemented") 117} 118 119// CheckAndMutateRow implements CheckAndMutateRow of the BigtableServer interface. 120func (s *Server) CheckAndMutateRow(ctx context.Context, srv *btpb.CheckAndMutateRowRequest) (*btpb.CheckAndMutateRowResponse, error) { 121 if s.CheckAndMutateRowFn != nil { 122 return s.CheckAndMutateRowFn(ctx, srv) 123 } 124 return nil, status.Error(codes.Unimplemented, "unimplemented") 125} 126 127// ReadModifyWriteRow implements ReadModifyWriteRow of the BigtableServer interface. 128func (s *Server) ReadModifyWriteRow(ctx context.Context, srv *btpb.ReadModifyWriteRowRequest) (*btpb.ReadModifyWriteRowResponse, error) { 129 if s.ReadModifyWriteRowFn != nil { 130 return s.ReadModifyWriteRowFn(ctx, srv) 131 } 132 return nil, status.Error(codes.Unimplemented, "unimplemented") 133} 134