/* * 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.graph.test.operations; import org.apache.flink.api.java.ExecutionEnvironment; import org.apache.flink.api.java.io.DiscardingOutputFormat; import org.apache.flink.graph.Graph; import org.apache.flink.graph.test.TestGraphUtils; import org.apache.flink.test.util.AbstractTestBase; import org.junit.Test; import static org.junit.Assert.fail; /** * Test expected errors for {@link Graph#inDegrees()}, * {@link Graph#outDegrees()}, and {@link Graph#getDegrees()}. */ public class DegreesWithExceptionITCase extends AbstractTestBase { private static final int PARALLELISM = 4; /** * Test outDegrees() with an edge having a srcId that does not exist in the vertex DataSet. */ @Test public void testOutDegreesInvalidEdgeSrcId() throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(PARALLELISM); env.getConfig().disableSysoutLogging(); Graph<Long, Long, Long> graph = Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env), TestGraphUtils.getLongLongEdgeInvalidSrcData(env), env); try { graph.outDegrees().output(new DiscardingOutputFormat<>()); env.execute(); fail("graph.outDegrees() did not fail."); } catch (Exception e) { // We expect the job to fail with an exception } } /** * Test inDegrees() with an edge having a trgId that does not exist in the vertex DataSet. */ @Test public void testInDegreesInvalidEdgeTrgId() throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(PARALLELISM); env.getConfig().disableSysoutLogging(); Graph<Long, Long, Long> graph = Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env), TestGraphUtils.getLongLongEdgeInvalidTrgData(env), env); try { graph.inDegrees().output(new DiscardingOutputFormat<>()); env.execute(); fail("graph.inDegrees() did not fail."); } catch (Exception e) { // We expect the job to fail with an exception } } /** * Test getDegrees() with an edge having a trgId that does not exist in the vertex DataSet. */ @Test public void testGetDegreesInvalidEdgeTrgId() throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(PARALLELISM); env.getConfig().disableSysoutLogging(); Graph<Long, Long, Long> graph = Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env), TestGraphUtils.getLongLongEdgeInvalidTrgData(env), env); try { graph.getDegrees().output(new DiscardingOutputFormat<>()); env.execute(); fail("graph.getDegrees() did not fail."); } catch (Exception e) { // We expect the job to fail with an exception } } /** * Test getDegrees() with an edge having a srcId that does not exist in the vertex DataSet. */ @Test public void testGetDegreesInvalidEdgeSrcId() throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(PARALLELISM); env.getConfig().disableSysoutLogging(); Graph<Long, Long, Long> graph = Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env), TestGraphUtils.getLongLongEdgeInvalidSrcData(env), env); try { graph.getDegrees().output(new DiscardingOutputFormat<>()); env.execute(); fail("graph.getDegrees() did not fail."); } catch (Exception e) { // We expect the job to fail with an exception } } /** * Test getDegrees() with an edge having a srcId and a trgId that does not exist in the vertex DataSet. */ @Test public void testGetDegreesInvalidEdgeSrcTrgId() throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(PARALLELISM); env.getConfig().disableSysoutLogging(); Graph<Long, Long, Long> graph = Graph.fromDataSet(TestGraphUtils.getLongLongVertexData(env), TestGraphUtils.getLongLongEdgeInvalidSrcTrgData(env), env); try { graph.getDegrees().output(new DiscardingOutputFormat<>()); env.execute(); fail("graph.getDegrees() did not fail."); } catch (Exception e) { // We expect the job to fail with an exception } } }