samples(testing): add retry rule (#565)

* samples(testing): add retry rule * use google-cloud-core's MultipleAttemptsRule

Author: anguillanneuf

samples/install-without-bom/pom.xml

@@ -77,6 +77,12 @@
  <artifactId>protobuf-java-util</artifactId>
  <version>3.15.3</version>
  </dependency>
+ <dependency>
+ <groupId>com.google.cloud</groupId>
+ <artifactId>google-cloud-core</artifactId>
+ <version>1.94.1</version>
+ <classifier>tests</classifier>
+ </dependency>
  </dependencies>
 
  <!-- compile and run all snippet tests -->

samples/snapshot/pom.xml

@@ -76,6 +76,12 @@
  <version>1.1.2</version>
  <scope>test</scope>
  </dependency>
+ <dependency>
+ <groupId>com.google.cloud</groupId>
+ <artifactId>google-cloud-core</artifactId>
+ <version>1.94.1</version>
+ <classifier>tests</classifier>
+ </dependency>
  </dependencies>
 
  <!-- compile and run all snippet tests -->

samples/snippets/pom.xml

@@ -87,6 +87,12 @@
  <version>1.1.2</version>
  <scope>test</scope>
  </dependency>
+ <dependency>
+ <groupId>com.google.cloud</groupId>
+ <artifactId>google-cloud-core</artifactId>
+ <version>1.94.1</version>
+ <classifier>tests</classifier>
+ </dependency>
  <!-- [END_EXCLUDE] -->
  </dependencies>
  <!-- [END pubsub_install_with_bom] -->

samples/snippets/src/main/java/utilities/State.java

@@ -23,14 +23,13 @@
 /**
  * This file is created using Avro tools.
  *
- * To download, visit https://avro.apache.org/releases.html#Download
+ * <p>To download, visit https://avro.apache.org/releases.html#Download
  *
- * Run the following command from the `samples/snippets` directory to
- * generate this class:
+ * <p>Run the following command from the `samples/snippets` directory to generate this class:
  *
- *`java -jar /location/to/your/avro-tools-1.10.1.jar compile schema src/main/resources/us-states.avsc src/main/java/`
+ * <p>`java -jar /location/to/your/avro-tools-1.10.1.jar compile schema
+ * src/main/resources/us-states.avsc src/main/java/`
  */
-
 package utilities;
 
 import org.apache.avro.message.BinaryMessageDecoder;

samples/snippets/src/main/java/utilities/StateProto.java

@@ -20,14 +20,13 @@
 /**
  * This file is created using protoc.
  *
- * To download, visit https://developers.google.com/protocol-buffers/docs/downloads
+ * <p>To download, visit https://developers.google.com/protocol-buffers/docs/downloads
  *
- * Run the following command from the `samples/snippets` directory to
- * generate this class:
+ * <p>Run the following command from the `samples/snippets` directory to generate this class:
  *
- *`protoc --proto_path=src/main/resources/ --java_out=src/main/java/ src/main/resources/us-states.proto`
+ * <p>`protoc --proto_path=src/main/resources/ --java_out=src/main/java/
+ * src/main/resources/us-states.proto`
  */
-
 package utilities;
 
 public final class StateProto {

samples/snippets/src/test/java/pubsub/SchemaIT.java

@@ -23,6 +23,7 @@
 import com.google.cloud.pubsub.v1.SchemaServiceClient;
 import com.google.cloud.pubsub.v1.SubscriptionAdminClient;
 import com.google.cloud.pubsub.v1.TopicAdminClient;
+import com.google.cloud.testing.junit4.MultipleAttemptsRule;
 import com.google.pubsub.v1.Encoding;
 import com.google.pubsub.v1.ProjectSubscriptionName;
 import com.google.pubsub.v1.SchemaName;
@@ -33,7 +34,6 @@
 import java.util.UUID;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.Timeout;
@@ -73,12 +73,8 @@ private static void requireEnvVar(String varName) {
  System.getenv(varName));
  }
 
- @Rule public Timeout globalTimeout = Timeout.seconds(300); // 5 minute timeout
-
- @BeforeClass
- public static void checkRequirements() {
- requireEnvVar("GOOGLE_CLOUD_PROJECT");
- }
+ @Rule public Timeout globalTimeout = Timeout.seconds(600); // 10 minute timeout
+ @Rule public MultipleAttemptsRule retryRule = new MultipleAttemptsRule(/*maxAttemptCount=*/ 3);
 
  @Before
  public void setUp() {