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[FLINK-39149][mysql-cdc] Implement LATEST mode GTID merging to prevent replaying pre-checkpoint transactions with non-contiguous ranges #4286
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125 changes: 125 additions & 0 deletions
125
...link-connector-mysql-cdc/src/test/java/io/debezium/connector/mysql/FilterGtidSetTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,125 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package io.debezium.connector.mysql; | ||
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| import io.debezium.connector.mysql.MySqlConnectorConfig.GtidNewChannelPosition; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.mockito.Mockito; | ||
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| import java.lang.reflect.Field; | ||
| import java.util.function.Predicate; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.mockito.Mockito.when; | ||
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| /** | ||
| * Integration test for {@link MySqlStreamingChangeEventSource#filterGtidSet} to ensure the LATEST | ||
| * mode fix (FLINK-39149) cannot regress. | ||
| */ | ||
| class FilterGtidSetTest { | ||
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| @Test | ||
| void testFilterGtidSetLatestModeFixesNonContiguousGtid() throws Exception { | ||
| MySqlStreamingChangeEventSource source = | ||
| createSourceWithConfig(GtidNewChannelPosition.LATEST, null); | ||
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| MySqlOffsetContext offsetContext = createOffsetContext("aaa-111:5000-8000"); | ||
| GtidSet availableServerGtidSet = new GtidSet("aaa-111:1-10000,bbb-222:1-3000"); | ||
| GtidSet purgedServerGtid = new GtidSet(""); | ||
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| GtidSet result = | ||
| source.filterGtidSet(offsetContext, availableServerGtidSet, purgedServerGtid); | ||
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| assertThat(result.toString()).contains("aaa-111:1-8000"); | ||
| assertThat(result.toString()).contains("bbb-222:1-3000"); | ||
| } | ||
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| @Test | ||
| void testFilterGtidSetLatestModeWithSourceFilter() throws Exception { | ||
| Predicate<String> excludeCcc = uuid -> !uuid.equals("ccc-333"); | ||
| MySqlStreamingChangeEventSource source = | ||
| createSourceWithConfig(GtidNewChannelPosition.LATEST, excludeCcc); | ||
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| MySqlOffsetContext offsetContext = createOffsetContext("aaa-111:5000-8000,bbb-222:1-2000"); | ||
| GtidSet availableServerGtidSet = | ||
| new GtidSet("aaa-111:1-10000,bbb-222:1-3000,ccc-333:1-5000"); | ||
| GtidSet purgedServerGtid = new GtidSet(""); | ||
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| GtidSet result = | ||
| source.filterGtidSet(offsetContext, availableServerGtidSet, purgedServerGtid); | ||
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| assertThat(result.toString()).contains("aaa-111:1-8000"); | ||
| assertThat(result.toString()).contains("bbb-222:1-2000"); | ||
| assertThat(result.toString()).doesNotContain("ccc-333"); | ||
| } | ||
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| @Test | ||
| void testFilterGtidSetEarliestModeNotAffected() throws Exception { | ||
| MySqlStreamingChangeEventSource source = | ||
| createSourceWithConfig(GtidNewChannelPosition.EARLIEST, null); | ||
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| MySqlOffsetContext offsetContext = createOffsetContext("aaa-111:5000-8000"); | ||
| GtidSet availableServerGtidSet = new GtidSet("aaa-111:1-10000,bbb-222:1-3000"); | ||
| GtidSet purgedServerGtid = new GtidSet(""); | ||
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| GtidSet result = | ||
| source.filterGtidSet(offsetContext, availableServerGtidSet, purgedServerGtid); | ||
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| assertThat(result.toString()).contains("aaa-111:1-8000"); | ||
| assertThat(result.forServerWithId("bbb-222")).isNull(); | ||
| } | ||
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| @Test | ||
| void testFilterGtidSetReturnsNullWhenNoGtid() throws Exception { | ||
| MySqlStreamingChangeEventSource source = | ||
| createSourceWithConfig(GtidNewChannelPosition.LATEST, null); | ||
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| MySqlOffsetContext offsetContext = createOffsetContext(null); | ||
| GtidSet availableServerGtidSet = new GtidSet("aaa-111:1-10000"); | ||
| GtidSet purgedServerGtid = new GtidSet(""); | ||
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| GtidSet result = | ||
| source.filterGtidSet(offsetContext, availableServerGtidSet, purgedServerGtid); | ||
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| assertThat(result).isNull(); | ||
| } | ||
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| private static MySqlStreamingChangeEventSource createSourceWithConfig( | ||
| GtidNewChannelPosition channelPosition, Predicate<String> gtidSourceFilter) | ||
| throws Exception { | ||
| MySqlConnectorConfig mockConfig = Mockito.mock(MySqlConnectorConfig.class); | ||
| when(mockConfig.gtidNewChannelPosition()).thenReturn(channelPosition); | ||
| when(mockConfig.gtidSourceFilter()).thenReturn(gtidSourceFilter); | ||
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| MySqlStreamingChangeEventSource source = | ||
| Mockito.mock(MySqlStreamingChangeEventSource.class, Mockito.CALLS_REAL_METHODS); | ||
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| Field configField = | ||
| MySqlStreamingChangeEventSource.class.getDeclaredField("connectorConfig"); | ||
| configField.setAccessible(true); | ||
| configField.set(source, mockConfig); | ||
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| return source; | ||
| } | ||
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| private static MySqlOffsetContext createOffsetContext(String gtidSetStr) { | ||
| MySqlOffsetContext offsetContext = Mockito.mock(MySqlOffsetContext.class); | ||
| when(offsetContext.gtidSet()).thenReturn(gtidSetStr); | ||
| return offsetContext; | ||
| } | ||
| } |
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