initial commit

Signed-off-by: Derek McQuay <derekmcquay@gmail.com>

vendor/cloud.google.com/go/pubsub/topic_test.go

@@ -0,0 +1,148 @@
+// Copyright 2016 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 pubsub
+
+import (
+	"fmt"
+	"net"
+	"testing"
+	"time"
+
+	"cloud.google.com/go/internal/testutil"
+	"google.golang.org/grpc/status"
+
+	"golang.org/x/net/context"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
+	pubsubpb "google.golang.org/genproto/googleapis/pubsub/v1"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+)
+
+func checkTopicListing(t *testing.T, c *Client, want []string) {
+	topics, err := slurpTopics(c.Topics(context.Background()))
+	if err != nil {
+		t.Fatalf("error listing topics: %v", err)
+	}
+	var got []string
+	for _, topic := range topics {
+		got = append(got, topic.ID())
+	}
+	if !testutil.Equal(got, want) {
+		t.Errorf("topic list: got: %v, want: %v", got, want)
+	}
+}
+
+// All returns the remaining topics from this iterator.
+func slurpTopics(it *TopicIterator) ([]*Topic, error) {
+	var topics []*Topic
+	for {
+		switch topic, err := it.Next(); err {
+		case nil:
+			topics = append(topics, topic)
+		case iterator.Done:
+			return topics, nil
+		default:
+			return nil, err
+		}
+	}
+}
+
+func TestTopicID(t *testing.T) {
+	const id = "id"
+	c, _ := newFake(t)
+	s := c.Topic(id)
+	if got, want := s.ID(), id; got != want {
+		t.Errorf("Token.ID() = %q; want %q", got, want)
+	}
+}
+
+func TestListTopics(t *testing.T) {
+	c, _ := newFake(t)
+	var ids []string
+	for i := 1; i <= 4; i++ {
+		id := fmt.Sprintf("t%d", i)
+		ids = append(ids, id)
+		mustCreateTopic(t, c, id)
+	}
+	checkTopicListing(t, c, ids)
+}
+
+func TestListCompletelyEmptyTopics(t *testing.T) {
+	c, _ := newFake(t)
+	checkTopicListing(t, c, nil)
+}
+
+func TestStopPublishOrder(t *testing.T) {
+	// Check that Stop doesn't panic if called before Publish.
+	// Also that Publish after Stop returns the right error.
+	ctx := context.Background()
+	c := &Client{projectID: "projid"}
+	topic := c.Topic("t")
+	topic.Stop()
+	r := topic.Publish(ctx, &Message{})
+	_, err := r.Get(ctx)
+	if err != errTopicStopped {
+		t.Errorf("got %v, want errTopicStopped", err)
+	}
+}
+
+func TestPublishTimeout(t *testing.T) {
+	ctx := context.Background()
+	serv := grpc.NewServer()
+	pubsubpb.RegisterPublisherServer(serv, &alwaysFailPublish{})
+	lis, err := net.Listen("tcp", "localhost:0")
+	if err != nil {
+		t.Fatal(err)
+	}
+	go serv.Serve(lis)
+	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	if err != nil {
+		t.Fatal(err)
+	}
+	c, err := NewClient(ctx, "projectID", option.WithGRPCConn(conn))
+	if err != nil {
+		t.Fatal(err)
+	}
+	topic := c.Topic("t")
+	topic.PublishSettings.Timeout = 3 * time.Second
+	r := topic.Publish(ctx, &Message{})
+	defer topic.Stop()
+	select {
+	case <-r.Ready():
+		_, err = r.Get(ctx)
+		if err != context.DeadlineExceeded {
+			t.Fatalf("got %v, want context.DeadlineExceeded", err)
+		}
+	case <-time.After(2 * topic.PublishSettings.Timeout):
+		t.Fatal("timed out")
+	}
+}
+
+type alwaysFailPublish struct {
+	pubsubpb.PublisherServer
+}
+
+func (s *alwaysFailPublish) Publish(ctx context.Context, req *pubsubpb.PublishRequest) (*pubsubpb.PublishResponse, error) {
+	return nil, status.Errorf(codes.Unavailable, "try again")
+}
+
+func mustCreateTopic(t *testing.T, c *Client, id string) *Topic {
+	topic, err := c.CreateTopic(context.Background(), id)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return topic
+}