restic/vendor/cloud.google.com/go/firestore/watch_test.go

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// Copyright 2018 Google Inc. All Rights Reserved.
//
// 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 firestore
import (
"testing"
"github.com/golang/protobuf/proto"
gax "github.com/googleapis/gax-go"
"golang.org/x/net/context"
pb "google.golang.org/genproto/googleapis/firestore/v1beta1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestWatchRecv(t *testing.T) {
ctx := context.Background()
c, srv := newMock(t)
db := defaultBackoff
defaultBackoff = gax.Backoff{Initial: 1, Max: 1, Multiplier: 1}
defer func() { defaultBackoff = db }()
ws := newWatchStream(ctx, c, &pb.Target{})
request := &pb.ListenRequest{
Database: "projects/projectID/databases/(default)",
TargetChange: &pb.ListenRequest_AddTarget{&pb.Target{}},
}
response := &pb.ListenResponse{ResponseType: &pb.ListenResponse_DocumentChange{&pb.DocumentChange{}}}
// Stream should retry on non-permanent errors, returning only the responses.
srv.addRPC(request, []interface{}{response, status.Error(codes.Unknown, "")})
srv.addRPC(request, []interface{}{response}) // stream will return io.EOF
srv.addRPC(request, []interface{}{response, status.Error(codes.DeadlineExceeded, "")})
srv.addRPC(request, []interface{}{status.Error(codes.ResourceExhausted, "")})
srv.addRPC(request, []interface{}{status.Error(codes.Internal, "")})
srv.addRPC(request, []interface{}{status.Error(codes.Unavailable, "")})
srv.addRPC(request, []interface{}{status.Error(codes.Unauthenticated, "")})
srv.addRPC(request, []interface{}{response})
for i := 0; i < 4; i++ {
res, err := ws.recv()
if err != nil {
t.Fatal(err)
}
if !proto.Equal(res, response) {
t.Fatalf("got %v, want %v", res, response)
}
}
// Stream should not retry on a permanent error.
srv.addRPC(request, []interface{}{status.Error(codes.AlreadyExists, "")})
_, err := ws.recv()
if got, want := status.Code(err), codes.AlreadyExists; got != want {
t.Fatalf("got %s, want %s", got, want)
}
}