Merge pull request #13086 from jasontedor/fix/no-duplicate-settings
Detect duplicate settings keys on startup
This commit is contained in:
commit
51ae1c4d53
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@ -20,6 +20,7 @@
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package org.elasticsearch.common.settings.loader;
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package org.elasticsearch.common.settings.loader;
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import org.apache.lucene.util.IOUtils;
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import org.apache.lucene.util.IOUtils;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.common.io.FastStringReader;
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import org.elasticsearch.common.io.FastStringReader;
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import org.elasticsearch.common.io.stream.StreamInput;
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import org.elasticsearch.common.io.stream.StreamInput;
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@ -36,7 +37,7 @@ public class PropertiesSettingsLoader implements SettingsLoader {
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@Override
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@Override
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public Map<String, String> load(String source) throws IOException {
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public Map<String, String> load(String source) throws IOException {
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Properties props = new Properties();
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Properties props = new NoDuplicatesProperties();
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FastStringReader reader = new FastStringReader(source);
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FastStringReader reader = new FastStringReader(source);
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try {
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try {
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props.load(reader);
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props.load(reader);
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@ -52,7 +53,7 @@ public class PropertiesSettingsLoader implements SettingsLoader {
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@Override
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@Override
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public Map<String, String> load(byte[] source) throws IOException {
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public Map<String, String> load(byte[] source) throws IOException {
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Properties props = new Properties();
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Properties props = new NoDuplicatesProperties();
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StreamInput stream = StreamInput.wrap(source);
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StreamInput stream = StreamInput.wrap(source);
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try {
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try {
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props.load(stream);
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props.load(stream);
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@ -65,4 +66,15 @@ public class PropertiesSettingsLoader implements SettingsLoader {
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IOUtils.closeWhileHandlingException(stream);
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IOUtils.closeWhileHandlingException(stream);
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}
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}
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}
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}
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class NoDuplicatesProperties extends Properties {
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@Override
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public synchronized Object put(Object key, Object value) {
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Object previousValue = super.put(key, value);
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if (previousValue != null) {
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throw new ElasticsearchParseException("duplicate settings key [{}] found, previous value [{}], current value [{}]", key, previousValue, value);
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}
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return previousValue;
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}
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}
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}
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}
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@ -20,7 +20,6 @@
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package org.elasticsearch.common.settings.loader;
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package org.elasticsearch.common.settings.loader;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.common.xcontent.XContent;
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import org.elasticsearch.common.xcontent.XContentFactory;
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import org.elasticsearch.common.xcontent.XContentFactory;
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import org.elasticsearch.common.xcontent.XContentParser;
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import org.elasticsearch.common.xcontent.XContentParser;
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import org.elasticsearch.common.xcontent.XContentType;
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import org.elasticsearch.common.xcontent.XContentType;
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@ -141,7 +140,18 @@ public abstract class XContentSettingsLoader implements SettingsLoader {
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sb.append(pathEle).append('.');
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sb.append(pathEle).append('.');
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}
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}
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sb.append(fieldName);
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sb.append(fieldName);
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settings.put(sb.toString(), parser.text());
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String key = sb.toString();
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String currentValue = parser.text();
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String previousValue = settings.put(key, currentValue);
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if (previousValue != null) {
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throw new ElasticsearchParseException(
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"duplicate settings key [{}] found at line number [{}], column number [{}], previous value [{}], current value [{}]",
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key,
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parser.getTokenLocation().lineNumber,
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parser.getTokenLocation().columnNumber,
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previousValue,
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currentValue
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);
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}
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}
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}
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}
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}
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@ -19,19 +19,19 @@
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package org.elasticsearch.common.settings.loader;
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package org.elasticsearch.common.settings.loader;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.settings.SettingsException;
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import org.elasticsearch.test.ESTestCase;
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import org.elasticsearch.test.ESTestCase;
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import org.junit.Test;
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import org.junit.Test;
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import static org.elasticsearch.common.settings.Settings.settingsBuilder;
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import static org.elasticsearch.common.settings.Settings.settingsBuilder;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.Matchers.equalTo;
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import static org.hamcrest.Matchers.equalTo;
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/**
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/**
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*
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*
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*/
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*/
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public class JsonSettingsLoaderTests extends ESTestCase {
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public class JsonSettingsLoaderTests extends ESTestCase {
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@Test
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@Test
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public void testSimpleJsonSettings() throws Exception {
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public void testSimpleJsonSettings() throws Exception {
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String json = "/org/elasticsearch/common/settings/loader/test-settings.json";
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String json = "/org/elasticsearch/common/settings/loader/test-settings.json";
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@ -50,4 +50,17 @@ public class JsonSettingsLoaderTests extends ESTestCase {
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assertThat(settings.getAsArray("test1.test3")[0], equalTo("test3-1"));
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assertThat(settings.getAsArray("test1.test3")[0], equalTo("test3-1"));
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assertThat(settings.getAsArray("test1.test3")[1], equalTo("test3-2"));
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assertThat(settings.getAsArray("test1.test3")[1], equalTo("test3-2"));
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}
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}
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public void testDuplicateKeysThrowsException() {
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String json = "{\"foo\":\"bar\",\"foo\":\"baz\"}";
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try {
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settingsBuilder()
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.loadFromSource(json)
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.build();
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fail("expected exception");
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} catch (SettingsException e) {
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assertEquals(e.getCause().getClass(), ElasticsearchParseException.class);
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assertTrue(e.toString().contains("duplicate settings key [foo] found at line number [1], column number [13], previous value [bar], current value [baz]"));
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}
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}
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}
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}
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@ -0,0 +1,47 @@
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/*
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* Licensed to Elasticsearch under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch licenses this file to you under
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* the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.common.settings.loader;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.test.ESTestCase;
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import java.io.IOException;
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import java.nio.charset.Charset;
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public class PropertiesSettingsLoaderTests extends ESTestCase {
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public void testDuplicateKeyFromStringThrowsException() throws IOException {
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PropertiesSettingsLoader loader = new PropertiesSettingsLoader();
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try {
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loader.load("foo=bar\nfoo=baz");
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fail("expected exception");
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} catch (ElasticsearchParseException e) {
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assertEquals(e.getMessage(), "duplicate settings key [foo] found, previous value [bar], current value [baz]");
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}
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}
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public void testDuplicateKeysFromBytesThrowsException() throws IOException {
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PropertiesSettingsLoader loader = new PropertiesSettingsLoader();
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try {
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loader.load("foo=bar\nfoo=baz".getBytes(Charset.defaultCharset()));
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} catch (ElasticsearchParseException e) {
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assertEquals(e.getMessage(), "duplicate settings key [foo] found, previous value [bar], current value [baz]");
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}
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}
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}
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@ -19,6 +19,7 @@
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package org.elasticsearch.common.settings.loader;
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package org.elasticsearch.common.settings.loader;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.settings.SettingsException;
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import org.elasticsearch.common.settings.SettingsException;
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import org.elasticsearch.test.ESTestCase;
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import org.elasticsearch.test.ESTestCase;
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@ -31,7 +32,6 @@ import static org.hamcrest.Matchers.equalTo;
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*
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*
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*/
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*/
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public class YamlSettingsLoaderTests extends ESTestCase {
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public class YamlSettingsLoaderTests extends ESTestCase {
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@Test
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@Test
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public void testSimpleYamlSettings() throws Exception {
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public void testSimpleYamlSettings() throws Exception {
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String yaml = "/org/elasticsearch/common/settings/loader/test-settings.yml";
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String yaml = "/org/elasticsearch/common/settings/loader/test-settings.yml";
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@ -66,4 +66,17 @@ public class YamlSettingsLoaderTests extends ESTestCase {
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.loadFromStream(yaml, getClass().getResourceAsStream(yaml))
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.loadFromStream(yaml, getClass().getResourceAsStream(yaml))
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.build();
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.build();
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}
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}
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public void testDuplicateKeysThrowsException() {
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String yaml = "foo: bar\nfoo: baz";
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try {
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settingsBuilder()
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.loadFromSource(yaml)
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.build();
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fail("expected exception");
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} catch (SettingsException e) {
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assertEquals(e.getCause().getClass(), ElasticsearchParseException.class);
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assertTrue(e.toString().contains("duplicate settings key [foo] found at line number [2], column number [6], previous value [bar], current value [baz]"));
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}
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}
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}
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}
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