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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* See the License for the specific language governing permissions and
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package org.apache.flink.optimizer.dag;
import org.apache.flink.api.common.operators.SemanticProperties;
import org.apache.flink.api.common.operators.SingleInputSemanticProperties;
import org.apache.flink.api.common.operators.base.GroupReduceOperatorBase;
import org.apache.flink.api.common.operators.util.FieldSet;
import org.apache.flink.configuration.Configuration;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class GroupReduceNodeTest {
@Test
public void testGetSemanticProperties() {
SingleInputSemanticProperties origProps = new SingleInputSemanticProperties();
origProps.addForwardedField(0, 1);
origProps.addForwardedField(2, 2);
origProps.addForwardedField(3, 4);
origProps.addForwardedField(6, 0);
origProps.addReadFields(new FieldSet(0, 2, 4, 7));
GroupReduceOperatorBase<?,?,?> op = mock(GroupReduceOperatorBase.class);
when(op.getSemanticProperties()).thenReturn(origProps);
when(op.getKeyColumns(0)).thenReturn(new int[]{3,2});
when(op.getParameters()).thenReturn(new Configuration());
GroupReduceNode node = new GroupReduceNode(op);
SemanticProperties filteredProps = node.getSemanticPropertiesForLocalPropertyFiltering();
assertTrue(filteredProps.getForwardingTargetFields(0, 0).size() == 0);
assertTrue(filteredProps.getForwardingTargetFields(0, 2).size() == 1);
assertTrue(filteredProps.getForwardingTargetFields(0, 2).contains(2));
assertTrue(filteredProps.getForwardingTargetFields(0, 3).size() == 1);
assertTrue(filteredProps.getForwardingTargetFields(0, 3).contains(4));
assertTrue(filteredProps.getForwardingTargetFields(0, 6).size() == 0);
assertTrue(filteredProps.getForwardingSourceField(0, 1) < 0);
assertTrue(filteredProps.getForwardingSourceField(0, 2) == 2);
assertTrue(filteredProps.getForwardingSourceField(0, 4) == 3);
assertTrue(filteredProps.getForwardingSourceField(0, 0) < 0);
assertTrue(filteredProps.getReadFields(0).size() == 4);
assertTrue(filteredProps.getReadFields(0).contains(0));
assertTrue(filteredProps.getReadFields(0).contains(2));
assertTrue(filteredProps.getReadFields(0).contains(4));
assertTrue(filteredProps.getReadFields(0).contains(7));
}
}