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* 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
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package org.elasticsearch.common.settings.loader;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsException;
import org.elasticsearch.common.xcontent.XContent;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.Matchers.equalTo;
public class JsonSettingsLoaderTests extends ESTestCase {
public void testSimpleJsonSettings() throws Exception {
final String json = "/org/elasticsearch/common/settings/loader/test-settings.json";
final Settings settings = Settings.builder()
.loadFromStream(json, getClass().getResourceAsStream(json))
.build();
assertThat(settings.get("test1.value1"), equalTo("value1"));
assertThat(settings.get("test1.test2.value2"), equalTo("value2"));
assertThat(settings.getAsInt("test1.test2.value3", -1), equalTo(2));
// check array
assertThat(settings.get("test1.test3.0"), equalTo("test3-1"));
assertThat(settings.get("test1.test3.1"), equalTo("test3-2"));
assertThat(settings.getAsArray("test1.test3").length, equalTo(2));
assertThat(settings.getAsArray("test1.test3")[0], equalTo("test3-1"));
assertThat(settings.getAsArray("test1.test3")[1], equalTo("test3-2"));
}
public void testDuplicateKeysThrowsException() {
assumeFalse("Test only makes sense if XContent parser doesn't have strict duplicate checks enabled",
XContent.isStrictDuplicateDetectionEnabled());
final String json = "{\"foo\":\"bar\",\"foo\":\"baz\"}";
final SettingsException e = expectThrows(SettingsException.class,
() -> Settings.builder().loadFromSource(json, XContentType.JSON).build());
assertEquals(e.getCause().getClass(), ElasticsearchParseException.class);
assertThat(
e.toString(),
containsString("duplicate settings key [foo] " +
"found at line number [1], " +
"column number [20], " +
"previous value [bar], " +
"current value [baz]"));
}
public void testNullValuedSettingThrowsException() {
final String json = "{\"foo\":null}";
final ElasticsearchParseException e =
expectThrows(ElasticsearchParseException.class, () -> new JsonSettingsLoader(false).load(json));
assertThat(e.toString(), containsString("null-valued setting found for key [foo] found at line number [1], column number [8]"));
}
}