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- // Copyright 2016 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"
-
- "cloud.google.com/go/internal/testutil"
- "cloud.google.com/go/pubsub/pstest"
- "google.golang.org/api/iterator"
- "google.golang.org/api/option"
- "google.golang.org/grpc"
- "google.golang.org/grpc/codes"
- "google.golang.org/grpc/status"
- )
-
- // All returns the remaining subscriptions from this iterator.
- func slurpSubs(it *SubscriptionIterator) ([]*Subscription, error) {
- var subs []*Subscription
- for {
- switch sub, err := it.Next(); err {
- case nil:
- subs = append(subs, sub)
- case iterator.Done:
- return subs, nil
- default:
- return nil, err
- }
- }
- }
-
- func TestSubscriptionID(t *testing.T) {
- const id = "id"
- c := &Client{projectID: "projid"}
- s := c.Subscription(id)
- if got, want := s.ID(), id; got != want {
- t.Errorf("Subscription.ID() = %q; want %q", got, want)
- }
- }
-
- func TestListProjectSubscriptions(t *testing.T) {
- ctx := context.Background()
- c, srv := newFake(t)
- defer c.Close()
- defer srv.Close()
-
- topic := mustCreateTopic(t, c, "t")
- var want []string
- for i := 1; i <= 2; i++ {
- id := fmt.Sprintf("s%d", i)
- want = append(want, id)
- _, err := c.CreateSubscription(ctx, id, SubscriptionConfig{Topic: topic})
- if err != nil {
- t.Fatal(err)
- }
- }
- subs, err := slurpSubs(c.Subscriptions(ctx))
- if err != nil {
- t.Fatal(err)
- }
-
- got := getSubIDs(subs)
- if !testutil.Equal(got, want) {
- t.Errorf("got %v, want %v", got, want)
- }
- }
-
- func getSubIDs(subs []*Subscription) []string {
- var names []string
- for _, sub := range subs {
- names = append(names, sub.ID())
- }
- return names
- }
-
- func TestListTopicSubscriptions(t *testing.T) {
- ctx := context.Background()
- c, srv := newFake(t)
- defer c.Close()
- defer srv.Close()
-
- topics := []*Topic{
- mustCreateTopic(t, c, "t0"),
- mustCreateTopic(t, c, "t1"),
- }
- wants := make([][]string, 2)
- for i := 0; i < 5; i++ {
- id := fmt.Sprintf("s%d", i)
- sub, err := c.CreateSubscription(ctx, id, SubscriptionConfig{Topic: topics[i%2]})
- if err != nil {
- t.Fatal(err)
- }
- wants[i%2] = append(wants[i%2], sub.ID())
- }
-
- for i, topic := range topics {
- subs, err := slurpSubs(topic.Subscriptions(ctx))
- if err != nil {
- t.Fatal(err)
- }
- got := getSubIDs(subs)
- if !testutil.Equal(got, wants[i]) {
- t.Errorf("#%d: got %v, want %v", i, got, wants[i])
- }
- }
- }
-
- const defaultRetentionDuration = 168 * time.Hour
-
- func TestUpdateSubscription(t *testing.T) {
- ctx := context.Background()
- client, srv := newFake(t)
- defer client.Close()
- defer srv.Close()
-
- topic := mustCreateTopic(t, client, "t")
- sub, err := client.CreateSubscription(ctx, "s", SubscriptionConfig{Topic: topic})
- if err != nil {
- t.Fatal(err)
- }
- cfg, err := sub.Config(ctx)
- if err != nil {
- t.Fatal(err)
- }
- want := SubscriptionConfig{
- Topic: topic,
- AckDeadline: 10 * time.Second,
- RetainAckedMessages: false,
- RetentionDuration: defaultRetentionDuration,
- }
- if !testutil.Equal(cfg, want) {
- t.Fatalf("\ngot %+v\nwant %+v", cfg, want)
- }
-
- got, err := sub.Update(ctx, SubscriptionConfigToUpdate{
- AckDeadline: 20 * time.Second,
- RetainAckedMessages: true,
- Labels: map[string]string{"label": "value"},
- })
- if err != nil {
- t.Fatal(err)
- }
- want = SubscriptionConfig{
- Topic: topic,
- AckDeadline: 20 * time.Second,
- RetainAckedMessages: true,
- RetentionDuration: defaultRetentionDuration,
- Labels: map[string]string{"label": "value"},
- }
- if !testutil.Equal(got, want) {
- t.Fatalf("\ngot %+v\nwant %+v", got, want)
- }
-
- got, err = sub.Update(ctx, SubscriptionConfigToUpdate{
- RetentionDuration: 2 * time.Hour,
- Labels: map[string]string{},
- })
- if err != nil {
- t.Fatal(err)
- }
- want.RetentionDuration = 2 * time.Hour
- want.Labels = nil
- if !testutil.Equal(got, want) {
- t.Fatalf("\ngot %+v\nwant %+v", got, want)
- }
-
- _, err = sub.Update(ctx, SubscriptionConfigToUpdate{})
- if err == nil {
- t.Fatal("got nil, want error")
- }
- }
-
- func TestReceive(t *testing.T) {
- testReceive(t, true)
- testReceive(t, false)
- }
-
- func testReceive(t *testing.T, synchronous bool) {
- ctx := context.Background()
- client, srv := newFake(t)
- defer client.Close()
- defer srv.Close()
-
- topic := mustCreateTopic(t, client, "t")
- sub, err := client.CreateSubscription(ctx, "s", SubscriptionConfig{Topic: topic})
- if err != nil {
- t.Fatal(err)
- }
- for i := 0; i < 256; i++ {
- srv.Publish(topic.name, []byte{byte(i)}, nil)
- }
- sub.ReceiveSettings.Synchronous = synchronous
- msgs, err := pullN(ctx, sub, 256, func(_ context.Context, m *Message) { m.Ack() })
- if c := status.Convert(err); err != nil && c.Code() != codes.Canceled {
- t.Fatalf("Pull: %v", err)
- }
- var seen [256]bool
- for _, m := range msgs {
- seen[m.Data[0]] = true
- }
- for i, saw := range seen {
- if !saw {
- t.Errorf("sync=%t: did not see message #%d", synchronous, i)
- }
- }
- }
-
- func (t1 *Topic) Equal(t2 *Topic) bool {
- if t1 == nil && t2 == nil {
- return true
- }
- if t1 == nil || t2 == nil {
- return false
- }
- return t1.c == t2.c && t1.name == t2.name
- }
-
- // Note: be sure to close client and server!
- func newFake(t *testing.T) (*Client, *pstest.Server) {
- ctx := context.Background()
- srv := pstest.NewServer()
- client, err := NewClient(ctx, "P",
- option.WithEndpoint(srv.Addr),
- option.WithoutAuthentication(),
- option.WithGRPCDialOption(grpc.WithInsecure()))
- if err != nil {
- t.Fatal(err)
- }
- return client, srv
- }
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