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[TEST] Add basic Backwards Compatibility Tests
This commit add a basic infrastructure as well as primitive tests to ensure version backwards compatibility between the current development trunk and an arbitrary previous version. The compatibility tests are simple unit tests derived from a base class that starts and manages nodes from a provided elasticsearch release package. Use the following commandline executes all backwards compatiblity tests in isolation: ``` mvn test -Dtests.bwc=true -Dtests.bwc.version=1.2.1 -Dtests.class=org.elasticsearch.bwcompat.* ``` These tests run basic checks like rolling upgrades and routing/searching/get etc. against the specified version. The version must be present in the `./backwards` folder as `./backwards/elasticsearch-x.y.z`
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src/test/java/org/elasticsearch/bwcompat/BasicAnalysisBackwardCompatibilityTests.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. | ||
| */ | ||
| package org.elasticsearch.bwcompat; | ||
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| import com.carrotsearch.randomizedtesting.generators.RandomPicks; | ||
| import org.elasticsearch.action.admin.indices.analyze.AnalyzeResponse; | ||
| import org.elasticsearch.indices.analysis.PreBuiltAnalyzers; | ||
| import org.elasticsearch.test.ElasticsearchBackwardsCompatIntegrationTest; | ||
| import org.elasticsearch.test.ElasticsearchIntegrationTest; | ||
| import org.junit.Test; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
| import java.util.concurrent.ExecutionException; | ||
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| import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; | ||
| import static org.hamcrest.Matchers.equalTo; | ||
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| /** | ||
| */ | ||
| @ElasticsearchIntegrationTest.ClusterScope(numDataNodes = 0, scope = ElasticsearchIntegrationTest.Scope.SUITE, numClientNodes = 0, transportClientRatio = 0.0) | ||
| public class BasicAnalysisBackwardCompatibilityTests extends ElasticsearchBackwardsCompatIntegrationTest { | ||
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| /** | ||
| * Simple upgrade test for analyzers to make sure they analyze to the same tokens after upgrade | ||
| * TODO we need this for random tokenizers / tokenfilters as well | ||
| */ | ||
| @Test | ||
| public void testAnalyzerTokensAfterUpgrade() throws IOException, ExecutionException, InterruptedException { | ||
| int numFields = randomIntBetween(PreBuiltAnalyzers.values().length, PreBuiltAnalyzers.values().length * 10); | ||
| StringBuilder builder = new StringBuilder(); | ||
| String[] fields = new String[numFields * 2]; | ||
| int fieldId = 0; | ||
| for (int i = 0; i < fields.length; i++) { | ||
| fields[i++] = "field_" + fieldId++; | ||
| String analyzer = RandomPicks.randomFrom(getRandom(), PreBuiltAnalyzers.values()).name().toLowerCase(Locale.ROOT); | ||
| fields[i] = "type=string,analyzer=" + analyzer; | ||
| } | ||
| assertAcked(prepareCreate("test") | ||
| .addMapping("type", fields) | ||
| .setSettings(indexSettings())); | ||
| ensureYellow(); | ||
| InputOutput[] inout = new InputOutput[numFields]; | ||
| for (int i = 0; i < numFields; i++) { | ||
| String input = randomRealisticUnicodeOfCodepointLengthBetween(1, 100); | ||
| AnalyzeResponse test = client().admin().indices().prepareAnalyze("test", input).setField("field_" + i).get(); | ||
| inout[i] = new InputOutput(test, input, "field_" + i); | ||
| } | ||
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| logClusterState(); | ||
| boolean upgraded; | ||
| do { | ||
| logClusterState(); | ||
| upgraded = backwardsCluster().upgradeOneNode(); | ||
| ensureYellow(); | ||
| } while (upgraded); | ||
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| for (int i = 0; i < inout.length; i++) { | ||
| InputOutput inputOutput = inout[i]; | ||
| AnalyzeResponse test = client().admin().indices().prepareAnalyze("test", inputOutput.input).setField(inputOutput.field).get(); | ||
| List<AnalyzeResponse.AnalyzeToken> tokens = test.getTokens(); | ||
| List<AnalyzeResponse.AnalyzeToken> expectedTokens = inputOutput.response.getTokens(); | ||
| assertThat("size mismatch field: " + fields[i*2] + " analyzer: " + fields[i*2 + 1] + " input: " + inputOutput.input, expectedTokens.size(), equalTo(tokens.size())); | ||
| for (int j = 0; j < tokens.size(); j++) { | ||
| String msg = "failed for term: " + expectedTokens.get(j).getTerm() + " field: " + fields[i*2] + " analyzer: " + fields[i*2 + 1] + " input: " + inputOutput.input; | ||
| assertThat(msg, expectedTokens.get(j).getTerm(), equalTo(tokens.get(j).getTerm())); | ||
| assertThat(msg, expectedTokens.get(j).getPosition(), equalTo(tokens.get(j).getPosition())); | ||
| assertThat(msg, expectedTokens.get(j).getStartOffset(), equalTo(tokens.get(j).getStartOffset())); | ||
| assertThat(msg, expectedTokens.get(j).getEndOffset(), equalTo(tokens.get(j).getEndOffset())); | ||
| assertThat(msg, expectedTokens.get(j).getType(), equalTo(tokens.get(j).getType())); | ||
| } | ||
| } | ||
| } | ||
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| private static final class InputOutput { | ||
| final AnalyzeResponse response; | ||
| final String input; | ||
| final String field; | ||
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| public InputOutput(AnalyzeResponse response, String input, String field) { | ||
| this.response = response; | ||
| this.input = input; | ||
| this.field = field; | ||
| } | ||
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| } | ||
| } |
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