| // Copyright 2021 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 pubsub |
| |
| import ( |
| "context" |
| "fmt" |
| "testing" |
| "time" |
| |
| vkit "cloud.google.com/go/pubsub/apiv1" |
| "cloud.google.com/go/pubsub/pstest" |
| "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/option" |
| pb "google.golang.org/genproto/googleapis/pubsub/v1" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| ) |
| |
| func TestClient_CustomRetry(t *testing.T) { |
| ctx := context.Background() |
| pco := &vkit.PublisherCallOptions{ |
| Publish: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, codes.DeadlineExceeded, |
| }, gax.Backoff{ |
| Initial: 200 * time.Millisecond, |
| Max: 30000 * time.Millisecond, |
| Multiplier: 1.25, |
| }) |
| }), |
| }, |
| } |
| sco := &vkit.SubscriberCallOptions{} |
| c, err := NewClientWithConfig(ctx, "some-project", &ClientConfig{PublisherCallOptions: pco, SubscriberCallOptions: sco}) |
| if err != nil { |
| t.Fatalf("failed to create client with config: %v", err) |
| } |
| |
| cs := &gax.CallSettings{} |
| // This is the default retry setting. |
| c.pubc.CallOptions.Publish[0].Resolve(cs) |
| if got, want := fmt.Sprintf("%v", cs.Retry()), "&{{100000000 60000000000 1.3 0} [10 1 13 8 2 14 4]}"; got != want { |
| t.Fatalf("got: %v, want: %v", got, want) |
| } |
| |
| // This is the custom retry setting. |
| c.pubc.CallOptions.Publish[1].Resolve(cs) |
| if got, want := fmt.Sprintf("%v", cs.Retry()), "&{{200000000 30000000000 1.25 0} [14 4]}"; got != want { |
| t.Fatalf("merged CallOptions is incorrect: got %v, want %v", got, want) |
| } |
| } |
| |
| func TestClient_ApplyClientConfig(t *testing.T) { |
| ctx := context.Background() |
| srv := pstest.NewServer() |
| // Add a retry for an obscure error. |
| pco := &vkit.PublisherCallOptions{ |
| Publish: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DataLoss, |
| }, gax.Backoff{ |
| Initial: 200 * time.Millisecond, |
| Max: 30000 * time.Millisecond, |
| Multiplier: 1.25, |
| }) |
| }), |
| }, |
| } |
| c, err := NewClientWithConfig(ctx, "P", &ClientConfig{ |
| PublisherCallOptions: pco, |
| }, |
| option.WithEndpoint(srv.Addr), |
| option.WithoutAuthentication(), |
| option.WithGRPCDialOption(grpc.WithInsecure())) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| srv.SetAutoPublishResponse(false) |
| // Create a fake publish response with the obscure error we are retrying. |
| srv.AddPublishResponse(&pb.PublishResponse{ |
| MessageIds: []string{}, |
| }, status.Errorf(codes.DataLoss, "obscure error")) |
| |
| srv.AddPublishResponse(&pb.PublishResponse{ |
| MessageIds: []string{"1"}, |
| }, nil) |
| |
| topic, err := c.CreateTopic(ctx, "t") |
| if err != nil { |
| t.Fatal(err) |
| } |
| res := topic.Publish(ctx, &Message{ |
| Data: []byte("test"), |
| }) |
| if id, err := res.Get(ctx); err != nil { |
| t.Fatalf("got error from res.Get(): %v", err) |
| } else { |
| if id != "1" { |
| t.Fatalf("got wrong message id from server, got %s, want 1", id) |
| } |
| } |
| } |