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Cluster stats should not render empty http/transport types #23735
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tlrx
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tlrx:do-not-render-empty-field-names-in-transport-type-stats
Mar 31, 2017
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76 changes: 76 additions & 0 deletions
76
core/src/test/java/org/elasticsearch/action/admin/cluster/stats/ClusterStatsNodesTests.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| package org.elasticsearch.action.admin.cluster.stats; | ||
|
|
||
| import org.elasticsearch.action.admin.cluster.node.info.NodeInfo; | ||
| import org.elasticsearch.cluster.node.DiscoveryNode; | ||
| import org.elasticsearch.common.network.NetworkModule; | ||
| import org.elasticsearch.common.settings.Settings; | ||
| import org.elasticsearch.common.xcontent.XContentType; | ||
| import org.elasticsearch.test.ESTestCase; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.List; | ||
|
|
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| import static java.util.Collections.emptyList; | ||
| import static java.util.Collections.singletonList; | ||
| import static org.elasticsearch.common.xcontent.XContentHelper.toXContent; | ||
|
|
||
| public class ClusterStatsNodesTests extends ESTestCase { | ||
|
|
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| /** | ||
| * Test that empty transport/http types are not printed out as part | ||
| * of the cluster stats xcontent output. | ||
| */ | ||
| public void testNetworkTypesToXContent() throws Exception { | ||
| ClusterStatsNodes.NetworkTypes stats = new ClusterStatsNodes.NetworkTypes(emptyList()); | ||
| assertEquals("{\"transport_types\":{},\"http_types\":{}}", | ||
| toXContent(stats, XContentType.JSON, randomBoolean()).utf8ToString()); | ||
|
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| List<NodeInfo> nodeInfos = singletonList(createNodeInfo("node_0", null, null)); | ||
| stats = new ClusterStatsNodes.NetworkTypes(nodeInfos); | ||
| assertEquals("{\"transport_types\":{},\"http_types\":{}}", | ||
| toXContent(stats, XContentType.JSON, randomBoolean()).utf8ToString()); | ||
|
|
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| nodeInfos = Arrays.asList(createNodeInfo("node_1", "", ""), | ||
| createNodeInfo("node_2", "custom", "custom"), | ||
| createNodeInfo("node_3", null, "custom")); | ||
| stats = new ClusterStatsNodes.NetworkTypes(nodeInfos); | ||
| assertEquals("{" | ||
| + "\"transport_types\":{\"custom\":1}," | ||
| + "\"http_types\":{\"custom\":2}" | ||
| + "}", toXContent(stats, XContentType.JSON, randomBoolean()).utf8ToString()); | ||
| } | ||
|
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| private static NodeInfo createNodeInfo(String nodeId, String transportType, String httpType) { | ||
| Settings.Builder settings = Settings.builder(); | ||
| if (transportType != null) { | ||
| settings.put(randomFrom(NetworkModule.TRANSPORT_TYPE_KEY, | ||
| NetworkModule.TRANSPORT_TYPE_DEFAULT_KEY), transportType); | ||
| } | ||
| if (httpType != null) { | ||
| settings.put(randomFrom(NetworkModule.HTTP_TYPE_KEY, | ||
| NetworkModule.HTTP_TYPE_DEFAULT_KEY), httpType); | ||
| } | ||
| return new NodeInfo(null, null, | ||
| new DiscoveryNode(nodeId, buildNewFakeTransportAddress(), null), | ||
| settings.build(), null, null, null, null, null, null, null, null, null); | ||
| } | ||
| } |
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should the check be done here, or should such an element never get added to the map at the first place?