| // Copyright 2017 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 |
| // |
| // http://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 datastore |
| |
| import ( |
| "context" |
| "testing" |
| |
| "github.com/golang/protobuf/proto" |
| pb "google.golang.org/genproto/googleapis/datastore/v1" |
| ) |
| |
| func TestNewTransaction(t *testing.T) { |
| var got *pb.BeginTransactionRequest |
| client := &Client{ |
| dataset: "project", |
| client: &fakeDatastoreClient{ |
| beginTransaction: func(req *pb.BeginTransactionRequest) (*pb.BeginTransactionResponse, error) { |
| got = req |
| return &pb.BeginTransactionResponse{ |
| Transaction: []byte("tid"), |
| }, nil |
| }, |
| }, |
| } |
| ctx := context.Background() |
| for _, test := range []struct { |
| settings *transactionSettings |
| want *pb.BeginTransactionRequest |
| }{ |
| { |
| &transactionSettings{}, |
| &pb.BeginTransactionRequest{ProjectId: "project"}, |
| }, |
| { |
| &transactionSettings{readOnly: true}, |
| &pb.BeginTransactionRequest{ |
| ProjectId: "project", |
| TransactionOptions: &pb.TransactionOptions{ |
| Mode: &pb.TransactionOptions_ReadOnly_{ReadOnly: &pb.TransactionOptions_ReadOnly{}}, |
| }, |
| }, |
| }, |
| { |
| &transactionSettings{prevID: []byte("tid")}, |
| &pb.BeginTransactionRequest{ |
| ProjectId: "project", |
| TransactionOptions: &pb.TransactionOptions{ |
| Mode: &pb.TransactionOptions_ReadWrite_{ReadWrite: &pb.TransactionOptions_ReadWrite{ |
| PreviousTransaction: []byte("tid"), |
| }, |
| }, |
| }, |
| }, |
| }, |
| } { |
| _, err := client.newTransaction(ctx, test.settings) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !proto.Equal(got, test.want) { |
| t.Errorf("%+v:\ngot %+v\nwant %+v", test.settings, got, test.want) |
| } |
| } |
| } |