forked from apache/kafka
/
WorkerConfigTransformerTest.java
154 lines (128 loc) · 6.32 KB
/
WorkerConfigTransformerTest.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.kafka.connect.runtime;
import org.apache.kafka.common.config.ConfigChangeCallback;
import org.apache.kafka.common.config.ConfigData;
import org.apache.kafka.common.config.provider.ConfigProvider;
import org.easymock.EasyMock;
import static org.easymock.EasyMock.anyObject;
import static org.easymock.EasyMock.eq;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.easymock.PowerMock;
import org.powermock.api.easymock.annotation.Mock;
import org.powermock.modules.junit4.PowerMockRunner;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import static org.apache.kafka.connect.runtime.ConnectorConfig.CONFIG_RELOAD_ACTION_CONFIG;
import static org.apache.kafka.connect.runtime.ConnectorConfig.CONFIG_RELOAD_ACTION_NONE;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.powermock.api.easymock.PowerMock.replayAll;
@RunWith(PowerMockRunner.class)
public class WorkerConfigTransformerTest {
public static final String MY_KEY = "myKey";
public static final String MY_CONNECTOR = "myConnector";
public static final String TEST_KEY = "testKey";
public static final String TEST_PATH = "testPath";
public static final String TEST_KEY_WITH_TTL = "testKeyWithTTL";
public static final String TEST_KEY_WITH_LONGER_TTL = "testKeyWithLongerTTL";
public static final String TEST_RESULT = "testResult";
public static final String TEST_RESULT_WITH_TTL = "testResultWithTTL";
public static final String TEST_RESULT_WITH_LONGER_TTL = "testResultWithLongerTTL";
@Mock private Herder herder;
@Mock private Worker worker;
@Mock private HerderRequest requestId;
private WorkerConfigTransformer configTransformer;
@Before
public void setup() {
worker = PowerMock.createMock(Worker.class);
herder = PowerMock.createMock(Herder.class);
configTransformer = new WorkerConfigTransformer(worker, Collections.singletonMap("test", new TestConfigProvider()));
}
@Test
public void testReplaceVariable() {
Map<String, String> result = configTransformer.transform(MY_CONNECTOR, Collections.singletonMap(MY_KEY, "${test:testPath:testKey}"));
assertEquals(TEST_RESULT, result.get(MY_KEY));
}
@Test
public void testReplaceVariableWithTTL() {
EasyMock.expect(worker.herder()).andReturn(herder);
replayAll();
Map<String, String> props = new HashMap<>();
props.put(MY_KEY, "${test:testPath:testKeyWithTTL}");
props.put(CONFIG_RELOAD_ACTION_CONFIG, CONFIG_RELOAD_ACTION_NONE);
Map<String, String> result = configTransformer.transform(MY_CONNECTOR, props);
}
@Test
public void testReplaceVariableWithTTLAndScheduleRestart() {
EasyMock.expect(worker.herder()).andReturn(herder);
EasyMock.expect(herder.restartConnector(eq(1L), eq(MY_CONNECTOR), anyObject())).andReturn(requestId);
replayAll();
Map<String, String> result = configTransformer.transform(MY_CONNECTOR, Collections.singletonMap(MY_KEY, "${test:testPath:testKeyWithTTL}"));
assertEquals(TEST_RESULT_WITH_TTL, result.get(MY_KEY));
}
@Test
public void testReplaceVariableWithTTLFirstCancelThenScheduleRestart() {
EasyMock.expect(worker.herder()).andReturn(herder);
EasyMock.expect(herder.restartConnector(eq(1L), eq(MY_CONNECTOR), anyObject())).andReturn(requestId);
EasyMock.expect(worker.herder()).andReturn(herder);
EasyMock.expectLastCall();
requestId.cancel();
EasyMock.expectLastCall();
EasyMock.expect(herder.restartConnector(eq(10L), eq(MY_CONNECTOR), anyObject())).andReturn(requestId);
replayAll();
Map<String, String> result = configTransformer.transform(MY_CONNECTOR, Collections.singletonMap(MY_KEY, "${test:testPath:testKeyWithTTL}"));
assertEquals(TEST_RESULT_WITH_TTL, result.get(MY_KEY));
result = configTransformer.transform(MY_CONNECTOR, Collections.singletonMap(MY_KEY, "${test:testPath:testKeyWithLongerTTL}"));
assertEquals(TEST_RESULT_WITH_LONGER_TTL, result.get(MY_KEY));
}
@Test
public void testTransformNullConfiguration() {
assertNull(configTransformer.transform(MY_CONNECTOR, null));
}
public static class TestConfigProvider implements ConfigProvider {
public void configure(Map<String, ?> configs) {
}
public ConfigData get(String path) {
return null;
}
public ConfigData get(String path, Set<String> keys) {
if (path.equals(TEST_PATH)) {
if (keys.contains(TEST_KEY)) {
return new ConfigData(Collections.singletonMap(TEST_KEY, TEST_RESULT));
} else if (keys.contains(TEST_KEY_WITH_TTL)) {
return new ConfigData(Collections.singletonMap(TEST_KEY_WITH_TTL, TEST_RESULT_WITH_TTL), 1L);
} else if (keys.contains(TEST_KEY_WITH_LONGER_TTL)) {
return new ConfigData(Collections.singletonMap(TEST_KEY_WITH_LONGER_TTL, TEST_RESULT_WITH_LONGER_TTL), 10L);
}
}
return new ConfigData(Collections.emptyMap());
}
public void subscribe(String path, Set<String> keys, ConfigChangeCallback callback) {
throw new UnsupportedOperationException();
}
public void unsubscribe(String path, Set<String> keys) {
throw new UnsupportedOperationException();
}
public void close() {
}
}
}