/**
* 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.tez.dag.app.dag.impl;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import java.util.LinkedList;
import java.util.List;
import org.apache.tez.dag.api.InputDescriptor;
import org.apache.tez.dag.api.VertexManagerPluginContext;
import org.apache.tez.runtime.api.Event;
import org.apache.tez.runtime.api.events.InputConfigureVertexTasksEvent;
import org.apache.tez.runtime.api.events.InputDataInformationEvent;
import org.junit.Test;
public class TestRootInputVertexManager {
@Test
public void testEventsFromMultipleInputs() {
VertexManagerPluginContext context = mock(VertexManagerPluginContext.class);
doReturn("vertex1").when(context).getVertexName();
doReturn(1).when(context).getVertexNumTasks(eq("vertex1"));
RootInputVertexManager rootInputVertexManager = new RootInputVertexManager(context);
rootInputVertexManager.initialize();
InputDescriptor id1 = mock(InputDescriptor.class);
List<Event> events1 = new LinkedList<Event>();
InputDataInformationEvent diEvent11 = InputDataInformationEvent.createWithSerializedPayload(0,
null);
events1.add(diEvent11);
rootInputVertexManager.onRootVertexInitialized("input1", id1, events1);
// All good so far, single input only.
InputDescriptor id2 = mock(InputDescriptor.class);
List<Event> events2 = new LinkedList<Event>();
InputDataInformationEvent diEvent21 = InputDataInformationEvent.createWithSerializedPayload(0,
null);
events2.add(diEvent21);
try {
// Should fail due to second input
rootInputVertexManager.onRootVertexInitialized("input2", id2, events2);
fail("Expecting failure in case of multiple inputs attempting to send events");
} catch (IllegalStateException e) {
assertTrue(e.getMessage().startsWith(
"RootInputVertexManager cannot configure multiple inputs. Use a custom VertexManager"));
}
}
@Test
public void testConfigureFromMultipleInputs() {
VertexManagerPluginContext context = mock(VertexManagerPluginContext.class);
doReturn("vertex1").when(context).getVertexName();
doReturn(-1).when(context).getVertexNumTasks(eq("vertex1"));
RootInputVertexManager rootInputVertexManager = new RootInputVertexManager(context);
rootInputVertexManager.initialize();
InputDescriptor id1 = mock(InputDescriptor.class);
List<Event> events1 = new LinkedList<Event>();
InputConfigureVertexTasksEvent diEvent11 = InputConfigureVertexTasksEvent.create(1, null,
null);
events1.add(diEvent11);
rootInputVertexManager.onRootVertexInitialized("input1", id1, events1);
// All good so far, single input only.
InputDescriptor id2 = mock(InputDescriptor.class);
List<Event> events2 = new LinkedList<Event>();
InputConfigureVertexTasksEvent diEvent21 = InputConfigureVertexTasksEvent.create(1, null,
null);
events2.add(diEvent21);
try {
// Should fail due to second input
rootInputVertexManager.onRootVertexInitialized("input2", id2, events2);
fail("Expecting failure in case of multiple inputs attempting to send events");
} catch (IllegalStateException e) {
assertTrue(e.getMessage().startsWith(
"RootInputVertexManager cannot configure multiple inputs. Use a custom VertexManager"));
}
}
}