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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.
*/
package org.elasticsearch.index.aliases;
import org.elasticsearch.common.compress.CompressedString;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.query.FilterBuilder;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.indices.InvalidAliasNameException;
import org.elasticsearch.test.ElasticsearchSingleNodeTest;
import org.junit.Test;
import java.io.IOException;
import static org.elasticsearch.index.query.FilterBuilders.termFilter;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.nullValue;
/**
*
*/
public class IndexAliasesServiceTests extends ElasticsearchSingleNodeTest {
public IndexAliasesService newIndexAliasesService() {
Settings settings = ImmutableSettings.builder().put("name", "IndexAliasesServiceTests").build();
IndexService indexService = createIndex("test", settings);
return indexService.aliasesService();
}
public static CompressedString filter(FilterBuilder filterBuilder) throws IOException {
XContentBuilder builder = XContentFactory.jsonBuilder();
filterBuilder.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.close();
return new CompressedString(builder.string());
}
@Test
public void testFilteringAliases() throws Exception {
IndexAliasesService indexAliasesService = newIndexAliasesService();
indexAliasesService.add("cats", filter(termFilter("animal", "cat")));
indexAliasesService.add("dogs", filter(termFilter("animal", "dog")));
indexAliasesService.add("all", null);
assertThat(indexAliasesService.hasAlias("cats"), equalTo(true));
assertThat(indexAliasesService.hasAlias("dogs"), equalTo(true));
assertThat(indexAliasesService.hasAlias("turtles"), equalTo(false));
assertThat(indexAliasesService.aliasFilter("cats").toString(), equalTo("cache(animal:cat)"));
assertThat(indexAliasesService.aliasFilter("cats", "dogs").toString(), equalTo("BooleanFilter(cache(animal:cat) cache(animal:dog))"));
// Non-filtering alias should turn off all filters because filters are ORed
assertThat(indexAliasesService.aliasFilter("all"), nullValue());
assertThat(indexAliasesService.aliasFilter("cats", "all"), nullValue());
assertThat(indexAliasesService.aliasFilter("all", "cats"), nullValue());
indexAliasesService.add("cats", filter(termFilter("animal", "feline")));
indexAliasesService.add("dogs", filter(termFilter("animal", "canine")));
assertThat(indexAliasesService.aliasFilter("dogs", "cats").toString(), equalTo("BooleanFilter(cache(animal:canine) cache(animal:feline))"));
}
@Test
public void testAliasFilters() throws Exception {
IndexAliasesService indexAliasesService = newIndexAliasesService();
indexAliasesService.add("cats", filter(termFilter("animal", "cat")));
indexAliasesService.add("dogs", filter(termFilter("animal", "dog")));
assertThat(indexAliasesService.aliasFilter(), nullValue());
assertThat(indexAliasesService.aliasFilter("dogs").toString(), equalTo("cache(animal:dog)"));
assertThat(indexAliasesService.aliasFilter("dogs", "cats").toString(), equalTo("BooleanFilter(cache(animal:dog) cache(animal:cat))"));
indexAliasesService.add("cats", filter(termFilter("animal", "feline")));
indexAliasesService.add("dogs", filter(termFilter("animal", "canine")));
assertThat(indexAliasesService.aliasFilter("dogs", "cats").toString(), equalTo("BooleanFilter(cache(animal:canine) cache(animal:feline))"));
}
@Test(expected = InvalidAliasNameException.class)
public void testRemovedAliasFilter() throws Exception {
IndexAliasesService indexAliasesService = newIndexAliasesService();
indexAliasesService.add("cats", filter(termFilter("animal", "cat")));
indexAliasesService.remove("cats");
indexAliasesService.aliasFilter("cats");
}
@Test
public void testUnknownAliasFilter() throws Exception {
IndexAliasesService indexAliasesService = newIndexAliasesService();
indexAliasesService.add("cats", filter(termFilter("animal", "cat")));
indexAliasesService.add("dogs", filter(termFilter("animal", "dog")));
try {
indexAliasesService.aliasFilter("unknown");
fail();
} catch (InvalidAliasNameException e) {
// all is well
}
}
}