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[TEST] Add unit tests for DiskThresholdDecider settings
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...a/org/elasticsearch/cluster/routing/allocation/decider/DiskThresholdDeciderUnitTests.java
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/* | ||
* Licensed to Elasticsearch under one or more contributor | ||
* license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright | ||
* ownership. Elasticsearch 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. | ||
*/ | ||
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package org.elasticsearch.cluster.routing.allocation.decider; | ||
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import com.google.common.collect.ImmutableMap; | ||
import org.elasticsearch.cluster.ClusterInfo; | ||
import org.elasticsearch.cluster.ClusterInfoService; | ||
import org.elasticsearch.cluster.DiskUsage; | ||
import org.elasticsearch.common.settings.ImmutableSettings; | ||
import org.elasticsearch.common.settings.Settings; | ||
import org.elasticsearch.common.unit.ByteSizeValue; | ||
import org.elasticsearch.node.settings.NodeSettingsService; | ||
import org.elasticsearch.test.ElasticsearchTestCase; | ||
import org.junit.Test; | ||
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import java.util.HashMap; | ||
import java.util.Map; | ||
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import static org.hamcrest.CoreMatchers.equalTo; | ||
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/** | ||
* Unit tests for the DiskThresholdDecider | ||
*/ | ||
public class DiskThresholdDeciderUnitTests extends ElasticsearchTestCase { | ||
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@Test | ||
public void testDynamicSettings() { | ||
NodeSettingsService nss = new NodeSettingsService(ImmutableSettings.EMPTY); | ||
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ClusterInfoService cis = new ClusterInfoService() { | ||
@Override | ||
public ClusterInfo getClusterInfo() { | ||
Map<String, DiskUsage> usages = new HashMap<>(); | ||
Map<String, Long> shardSizes = new HashMap<>(); | ||
return new ClusterInfo(ImmutableMap.copyOf(usages), ImmutableMap.copyOf(shardSizes)); | ||
} | ||
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@Override | ||
public void addListener(Listener listener) { | ||
// noop | ||
} | ||
}; | ||
DiskThresholdDecider decider = new DiskThresholdDecider(ImmutableSettings.EMPTY, nss, cis, null); | ||
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assertThat(decider.getFreeBytesThresholdHigh(), equalTo(ByteSizeValue.parseBytesSizeValue("0b"))); | ||
assertThat(decider.getFreeDiskThresholdHigh(), equalTo(10.0d)); | ||
assertThat(decider.getFreeBytesThresholdLow(), equalTo(ByteSizeValue.parseBytesSizeValue("0b"))); | ||
assertThat(decider.getFreeDiskThresholdLow(), equalTo(15.0d)); | ||
assertThat(decider.getRerouteInterval().seconds(), equalTo(60L)); | ||
assertTrue(decider.isEnabled()); | ||
assertTrue(decider.isIncludeRelocations()); | ||
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DiskThresholdDecider.ApplySettings applySettings = decider.newApplySettings(); | ||
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Settings newSettings = ImmutableSettings.builder() | ||
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED, false) | ||
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS, false) | ||
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK, "70%") | ||
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK, "500mb") | ||
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_REROUTE_INTERVAL, "30s") | ||
.build(); | ||
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applySettings.onRefreshSettings(newSettings); | ||
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assertThat("high threshold bytes should be unset", | ||
decider.getFreeBytesThresholdHigh(), equalTo(ByteSizeValue.parseBytesSizeValue("0b"))); | ||
assertThat("high threshold percentage should be changed", | ||
decider.getFreeDiskThresholdHigh(), equalTo(30.0d)); | ||
assertThat("low threshold bytes should be set to 500mb", | ||
decider.getFreeBytesThresholdLow(), equalTo(ByteSizeValue.parseBytesSizeValue("500mb"))); | ||
assertThat("low threshold bytes should be unset", | ||
decider.getFreeDiskThresholdLow(), equalTo(0.0d)); | ||
assertThat("reroute interval should be changed to 30 seconds", | ||
decider.getRerouteInterval().seconds(), equalTo(30L)); | ||
assertFalse("disk threshold decider should now be disabled", decider.isEnabled()); | ||
assertFalse("relocations should now be disabled", decider.isIncludeRelocations()); | ||
} | ||
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} |