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update TESTING.md #4409

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Feb 7, 2019
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update TESTING.md #4409

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45 changes: 1 addition & 44 deletions TESTING.md
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Original file line number Diff line number Diff line change
Expand Up @@ -156,50 +156,7 @@ uses the `RemoteLoggingHelper` to create a metric.

You can test against a Pub/Sub emulator:

1. [Install Cloud SDK](https://cloud.google.com/sdk/downloads)

2. Start the emulator:
```shell
$ gcloud beta emulators pubsub start
```

To determine which host/port the emulator is running on:
```shell
$ gcloud beta emulators pubsub env-init
# Sample output:
# export PUBSUB_EMULATOR_HOST=localhost:8759
```

3. Point your client to the emulator.
```java
String hostport = System.getenv("PUBSUB_EMULATOR_HOST");
ManagedChannel channel = ManagedChannelBuilder.forTarget(hostport).usePlaintext(true).build();
try {
ChannelProvider channelProvider = FixedChannelProvider.create(channel);
CredentialsProvider credentialsProvider = new NoCredentialsProvider();

// Similarly for SubscriptionAdminSettings
TopicAdminClient topicClient = TopicAdminClient.create(
TopicAdminSettings
.defaultBuilder()
.setTransportProvider(
GrpcTransportProvider.newBuilder()
.setChannelProvider(channelProvider)
.build())
.setCredentialsProvider(credentialsProvider)
.build());

// Similarly for Subscriber
Publisher publisher =
Publisher
.defaultBuilder(topicName)
.setChannelProvider(channelProvider)
.setCredentialsProvider(credentialsProvider)
.build();
} finally {
channel.shutdown();
}
```
1. [Set up the emulator](https://cloud.google.com/pubsub/docs/emulator)

### Testing code that uses Redis

Expand Down