Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5223#discussion_r161163558
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/job/savepoints/SavepointHandlersTest.java
---
@@ -0,0 +1,276 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.runtime.rest.handler.job.savepoints;
+
+import org.apache.flink.api.common.JobID;
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.runtime.checkpoint.CheckpointProperties;
+import org.apache.flink.runtime.checkpoint.CompletedCheckpoint;
+import org.apache.flink.runtime.concurrent.FutureUtils;
+import org.apache.flink.runtime.rest.handler.HandlerRequest;
+import org.apache.flink.runtime.rest.handler.HandlerRequestException;
+import org.apache.flink.runtime.rest.handler.RestHandlerException;
+import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
+import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
+import
org.apache.flink.runtime.rest.messages.SavepointTriggerIdPathParameter;
+import
org.apache.flink.runtime.rest.messages.job.savepoints.SavepointResponseBody;
+import
org.apache.flink.runtime.rest.messages.job.savepoints.SavepointStatusMessageParameters;
+import
org.apache.flink.runtime.rest.messages.job.savepoints.SavepointTriggerId;
+import
org.apache.flink.runtime.rest.messages.job.savepoints.SavepointTriggerMessageParameters;
+import
org.apache.flink.runtime.rest.messages.job.savepoints.SavepointTriggerRequestBody;
+import org.apache.flink.runtime.rest.messages.queue.QueueStatus;
+import org.apache.flink.runtime.state.filesystem.FileStateHandle;
+import org.apache.flink.runtime.webmonitor.RestfulGateway;
+import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
+
+import
org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link SavepointHandlers}.
+ */
+public class SavepointHandlersTest {
+
+ private static final CompletableFuture<String> LOCAL_REST_ADDRESS =
+ CompletableFuture.completedFuture("localhost:12345");
+
+ private static final Time TIMEOUT = Time.seconds(10);
+
+ private static final JobID JOB_ID = new JobID();
+
+ private static final String COMPLETED_CHECKPOINT_EXTERNAL_POINTER =
"/tmp/savepoint-0d2fb9-8d5e0106041a";
+
+ private static final String
DEFAULT_REQUESTED_SAVEPOINT_TARGET_DIRECTORY = "/tmp";
+
+ @Mock
+ private RestfulGateway mockRestfulGateway;
+
+ private SavepointHandlers savepointHandlers;
+
+ private SavepointHandlers.SavepointTriggerHandler
savepointTriggerHandler;
+
+ private SavepointHandlers.SavepointStatusHandler savepointStatusHandler;
+
+ private CompletedCheckpoint completedCheckpoint;
+
+ @Before
+ public void setUp() throws Exception {
+ MockitoAnnotations.initMocks(this);
+
+ final GatewayRetriever<RestfulGateway> leaderRetriever = new
GatewayRetriever<RestfulGateway>() {
+ @Override
+ public CompletableFuture<RestfulGateway> getFuture() {
+ return
CompletableFuture.completedFuture(mockRestfulGateway);
+ }
+ };
+
+ savepointHandlers = new SavepointHandlers(null);
+ savepointTriggerHandler = savepointHandlers.new
SavepointTriggerHandler(
+ LOCAL_REST_ADDRESS,
+ leaderRetriever,
+ TIMEOUT,
+ Collections.emptyMap());
+
+ savepointStatusHandler = savepointHandlers.new
SavepointStatusHandler(
+ LOCAL_REST_ADDRESS,
+ leaderRetriever,
+ TIMEOUT,
+ Collections.emptyMap());
+
+ completedCheckpoint = new CompletedCheckpoint(
+ new JobID(),
+ 0,
+ 0,
+ 0,
+ Collections.emptyMap(),
+ null,
+ CheckpointProperties.forStandardSavepoint(),
+ new FileStateHandle(new Path("/tmp"), 0),
+ COMPLETED_CHECKPOINT_EXTERNAL_POINTER
+ );
+ }
+
+ @Test
+ public void testSavepointCompletedSuccessfully() throws Exception {
+ final CompletableFuture<CompletedCheckpoint>
checkpointCompletableFuture =
+ new CompletableFuture<>();
+ when(mockRestfulGateway.triggerSavepoint(any(JobID.class),
anyString(), any(Time.class)))
+ .thenReturn(checkpointCompletableFuture);
+
+ final SavepointTriggerId savepointTriggerId =
savepointTriggerHandler.handleRequest(
+ triggerSavepointRequest(),
+ mockRestfulGateway).get().getSavepointTriggerId();
+
+ SavepointResponseBody savepointResponseBody;
+ savepointResponseBody = savepointStatusHandler.handleRequest(
+ savepointStatusRequest(savepointTriggerId),
+ mockRestfulGateway).get();
+
+ assertThat(
+ savepointResponseBody.getStatus().getStatusId(),
+ equalTo(QueueStatus.StatusId.IN_PROGRESS));
+
+ checkpointCompletableFuture.complete(completedCheckpoint);
+ savepointResponseBody = savepointStatusHandler.handleRequest(
+ savepointStatusRequest(savepointTriggerId),
+ mockRestfulGateway).get();
+
+ assertThat(
+ savepointResponseBody.getStatus().getStatusId(),
+ equalTo(QueueStatus.StatusId.COMPLETED));
+ assertThat(savepointResponseBody.getSavepoint(),
notNullValue());
+ assertThat(
+ savepointResponseBody.getSavepoint().getLocation(),
+ equalTo(COMPLETED_CHECKPOINT_EXTERNAL_POINTER));
+ }
+
+ @Test
+ public void testTriggerSavepointWithDefaultDirectory() throws Exception
{
+ final ArgumentCaptor<String> targetDirectoryCaptor =
ArgumentCaptor.forClass(String.class);
+ when(mockRestfulGateway.triggerSavepoint(any(JobID.class),
targetDirectoryCaptor.capture(), any(Time.class)))
+
.thenReturn(CompletableFuture.completedFuture(completedCheckpoint));
+ final String defaultSavepointDir = "/other/dir";
+ savepointHandlers.setDefaultSavepointDir(defaultSavepointDir);
+
+ savepointTriggerHandler.handleRequest(
+ triggerSavepointRequestWithDefaultDirectory(),
+ mockRestfulGateway).get();
+
+ final List<String> targetDirectories =
targetDirectoryCaptor.getAllValues();
+ assertThat(targetDirectories,
hasItem(equalTo(defaultSavepointDir)));
+ }
+
+ @Test
+ public void testGetSavepointStatusWithUnknownSavepointTriggerId()
throws Exception {
+ final SavepointTriggerId unknownSavepointTriggerId = new
SavepointTriggerId();
+
+ try {
+ savepointStatusHandler.handleRequest(
+
savepointStatusRequest(unknownSavepointTriggerId),
+ mockRestfulGateway).get();
+ fail("Expected exception not thrown.");
+ } catch (ExecutionException e) {
+ final Throwable cause = e.getCause();
+ assertThat(cause,
instanceOf(RestHandlerException.class));
+ final RestHandlerException restHandlerException =
(RestHandlerException) cause;
+ assertThat(restHandlerException.getMessage(),
containsString("Savepoint not found"));
+
assertThat(restHandlerException.getHttpResponseStatus(),
equalTo(HttpResponseStatus.NOT_FOUND));
+ }
+ }
+
+ @Test
+ public void testTriggerSavepointNoDirectory() throws Exception {
+ when(mockRestfulGateway.triggerSavepoint(any(JobID.class),
anyString(), any(Time.class)))
+
.thenReturn(CompletableFuture.completedFuture(completedCheckpoint));
+
+ try {
+ savepointTriggerHandler.handleRequest(
+ triggerSavepointRequestWithDefaultDirectory(),
+ mockRestfulGateway).get();
+ } catch (ExecutionException e) {
--- End diff --
done
---
