org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.java Source code

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Here is the source code for org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.java

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/**
 * 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.hadoop.yarn.nodelabels;

import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeLabel;
import org.junit.Assert;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Sets;

public class NodeLabelTestBase {
    public static void assertMapEquals(Map<NodeId, Set<String>> expected,
            ImmutableMap<NodeId, Set<String>> actual) {
        Assert.assertEquals(expected.size(), actual.size());
        for (NodeId k : expected.keySet()) {
            Assert.assertTrue(actual.containsKey(k));
            assertCollectionEquals(expected.get(k), actual.get(k));
        }
    }

    public static void assertLabelInfoMapEquals(Map<NodeId, Set<NodeLabel>> expected,
            ImmutableMap<NodeId, Set<NodeLabel>> actual) {
        Assert.assertEquals(expected.size(), actual.size());
        for (NodeId k : expected.keySet()) {
            Assert.assertTrue(actual.containsKey(k));
            assertNLCollectionEquals(expected.get(k), actual.get(k));
        }
    }

    public static void assertLabelsToNodesEquals(Map<String, Set<NodeId>> expected,
            ImmutableMap<String, Set<NodeId>> actual) {
        Assert.assertEquals(expected.size(), actual.size());
        for (String k : expected.keySet()) {
            Assert.assertTrue(actual.containsKey(k));
            Set<NodeId> expectedS1 = new HashSet<>(expected.get(k));
            Set<NodeId> actualS2 = new HashSet<>(actual.get(k));
            Assert.assertEquals(expectedS1, actualS2);
            Assert.assertTrue(expectedS1.containsAll(actualS2));
        }
    }

    public static ImmutableMap<String, Set<NodeId>> transposeNodeToLabels(
            Map<NodeId, Set<String>> mapNodeToLabels) {
        Map<String, Set<NodeId>> mapLabelsToNodes = new HashMap<>();
        for (Entry<NodeId, Set<String>> entry : mapNodeToLabels.entrySet()) {
            NodeId node = entry.getKey();
            Set<String> setLabels = entry.getValue();
            for (String label : setLabels) {
                Set<NodeId> setNode = mapLabelsToNodes.get(label);
                if (setNode == null) {
                    setNode = new HashSet<>();
                }
                setNode.add(NodeId.newInstance(node.getHost(), node.getPort()));
                mapLabelsToNodes.put(label, setNode);
            }
        }
        return ImmutableMap.copyOf(mapLabelsToNodes);
    }

    public static void assertMapContains(Map<NodeId, Set<String>> expected,
            ImmutableMap<NodeId, Set<String>> actual) {
        for (NodeId k : actual.keySet()) {
            Assert.assertTrue(expected.containsKey(k));
            assertCollectionEquals(expected.get(k), actual.get(k));
        }
    }

    public static void assertCollectionEquals(Collection<String> expected, Collection<String> actual) {
        if (expected == null) {
            Assert.assertNull(actual);
        } else {
            Assert.assertNotNull(actual);
        }
        Set<String> expectedSet = new HashSet<>(expected);
        Set<String> actualSet = new HashSet<>(actual);
        Assert.assertEquals(expectedSet, actualSet);
        Assert.assertTrue(expectedSet.containsAll(actualSet));
    }

    public static void assertNLCollectionEquals(Collection<NodeLabel> expected, Collection<NodeLabel> actual) {
        if (expected == null) {
            Assert.assertNull(actual);
        } else {
            Assert.assertNotNull(actual);
        }

        Set<NodeLabel> expectedSet = new HashSet<>(expected);
        Set<NodeLabel> actualSet = new HashSet<>(actual);
        Assert.assertEquals(expectedSet, actualSet);
        Assert.assertTrue(expectedSet.containsAll(actualSet));
    }

    @SuppressWarnings("unchecked")
    public static <E> Set<E> toSet(E... elements) {
        Set<E> set = Sets.newHashSet(elements);
        return set;
    }

    public static Set<NodeLabel> toNodeLabelSet(String... nodeLabelsStr) {
        if (null == nodeLabelsStr) {
            return null;
        }
        Set<NodeLabel> labels = new HashSet<>();
        for (String label : nodeLabelsStr) {
            labels.add(NodeLabel.newInstance(label));
        }
        return labels;
    }

    public NodeId toNodeId(String str) {
        if (str.contains(":")) {
            int idx = str.indexOf(':');
            NodeId id = NodeId.newInstance(str.substring(0, idx), Integer.parseInt(str.substring(idx + 1)));
            return id;
        } else {
            return NodeId.newInstance(str, CommonNodeLabelsManager.WILDCARD_PORT);
        }
    }

    public static void assertLabelsInfoToNodesEquals(Map<NodeLabel, Set<NodeId>> expected,
            ImmutableMap<NodeLabel, Set<NodeId>> actual) {
        Assert.assertEquals(expected.size(), actual.size());
        for (NodeLabel k : expected.keySet()) {
            Assert.assertTrue(actual.containsKey(k));
            Set<NodeId> expectedS1 = new HashSet<>(expected.get(k));
            Set<NodeId> actualS2 = new HashSet<>(actual.get(k));
            Assert.assertEquals(expectedS1, actualS2);
            Assert.assertTrue(expectedS1.containsAll(actualS2));
        }
    }
}