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- // 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 (
- "testing"
-
- "github.com/golang/protobuf/proto"
- "golang.org/x/net/context"
-
- 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)
- }
- }
- }
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