Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -15,6 +15,7 @@
package google.registry.testing.mapreduce;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import static google.registry.config.RegistryConfig.getEppResourceIndexBucketCount;
import static google.registry.model.ofy.ObjectifyService.ofy;
import static org.mockito.Mockito.mock;
@ -33,7 +34,6 @@ import com.google.appengine.tools.pipeline.impl.servlets.PipelineServlet;
import com.google.appengine.tools.pipeline.impl.servlets.TaskHandler;
import com.google.apphosting.api.ApiProxy;
import com.google.common.base.CharMatcher;
import com.google.common.base.Optional;
import google.registry.mapreduce.MapreduceRunner;
import google.registry.testing.AppEngineRule;
import google.registry.testing.FakeClock;
@ -47,6 +47,7 @@ import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import javax.annotation.Nullable;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@ -178,7 +179,7 @@ public abstract class MapreduceTestCase<T> extends ShardableTestCase {
*/
protected void executeTasksUntilEmpty(String queueName, @Nullable FakeClock clock)
throws Exception {
executeTasks(queueName, clock, Optional.<Integer>absent());
executeTasks(queueName, clock, Optional.<Integer>empty());
}
/**