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[cdc-composer][tests] Add integration tests for FlinkPipelineComposer (…
…apache#2776) This closes apache#2766.
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...-composer/src/test/java/com/ververica/cdc/composer/flink/FlinkPipelineComposerITCase.java
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| /* | ||
| * Copyright 2023 Ververica Inc. | ||
| * | ||
| * Licensed 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 com.ververica.cdc.composer.flink; | ||
|
|
||
| import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; | ||
| import org.apache.flink.test.junit5.MiniClusterExtension; | ||
|
|
||
| import com.ververica.cdc.common.configuration.Configuration; | ||
| import com.ververica.cdc.common.pipeline.PipelineOptions; | ||
| import com.ververica.cdc.composer.PipelineExecution; | ||
| import com.ververica.cdc.composer.definition.PipelineDef; | ||
| import com.ververica.cdc.composer.definition.SinkDef; | ||
| import com.ververica.cdc.composer.definition.SourceDef; | ||
| import com.ververica.cdc.connectors.values.ValuesDatabase; | ||
| import com.ververica.cdc.connectors.values.factory.ValuesDataFactory; | ||
| import com.ververica.cdc.connectors.values.sink.ValuesDataSinkOptions; | ||
| import com.ververica.cdc.connectors.values.source.ValuesDataSourceHelper; | ||
| import com.ververica.cdc.connectors.values.source.ValuesDataSourceOptions; | ||
| import org.junit.jupiter.api.AfterEach; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.RegisterExtension; | ||
|
|
||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.PrintStream; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
||
| import static com.ververica.cdc.connectors.values.source.ValuesDataSourceHelper.TABLE_1; | ||
| import static com.ververica.cdc.connectors.values.source.ValuesDataSourceHelper.TABLE_2; | ||
| import static org.apache.flink.configuration.CoreOptions.ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
||
| /** Integration test for {@link FlinkPipelineComposer}. */ | ||
| class FlinkPipelineComposerITCase { | ||
| private static final int MAX_PARALLELISM = 4; | ||
|
|
||
| // Always use parent-first classloader for CDC classes. | ||
| // The reason is that ValuesDatabase uses static field for holding data, we need to make sure | ||
| // the class is loaded by AppClassloader so that we can verify data in the test case. | ||
| private static final org.apache.flink.configuration.Configuration MINI_CLUSTER_CONFIG = | ||
| new org.apache.flink.configuration.Configuration(); | ||
|
|
||
| static { | ||
| MINI_CLUSTER_CONFIG.set( | ||
| ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL, | ||
| Collections.singletonList("com.ververica.cdc")); | ||
| } | ||
|
|
||
| /** | ||
| * Use {@link MiniClusterExtension} to reduce the overhead of restarting the MiniCluster for | ||
| * every test case. | ||
| */ | ||
| @RegisterExtension | ||
| static final MiniClusterExtension MINI_CLUSTER_RESOURCE = | ||
| new MiniClusterExtension( | ||
| new MiniClusterResourceConfiguration.Builder() | ||
| .setNumberTaskManagers(1) | ||
| .setNumberSlotsPerTaskManager(MAX_PARALLELISM) | ||
| .setConfiguration(MINI_CLUSTER_CONFIG) | ||
| .build()); | ||
|
|
||
| private final PrintStream standardOut = System.out; | ||
| private final ByteArrayOutputStream outCaptor = new ByteArrayOutputStream(); | ||
|
|
||
| @BeforeEach | ||
| void init() { | ||
| // Take over STDOUT as we need to check the output of values sink | ||
| System.setOut(new PrintStream(outCaptor)); | ||
| // Initialize in-memory database | ||
| ValuesDatabase.clear(); | ||
| } | ||
|
|
||
| @AfterEach | ||
| void cleanup() { | ||
| System.setOut(standardOut); | ||
| } | ||
|
|
||
| @Test | ||
| void testSingleSplitSingleTable() throws Exception { | ||
| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
|
|
||
| // Setup value source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set( | ||
| ValuesDataSourceOptions.EVENT_SET_ID, | ||
| ValuesDataSourceHelper.EventSetId.SINGLE_SPLIT_SINGLE_TABLE); | ||
| SourceDef sourceDef = | ||
| new SourceDef(ValuesDataFactory.IDENTIFIER, "Value Source", sourceConfig); | ||
|
|
||
| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
|
||
| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.GLOBAL_PARALLELISM, 1); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
|
||
| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| execution.execute(); | ||
|
|
||
| // Check result in ValuesDatabase | ||
| List<String> results = ValuesDatabase.getResults(TABLE_1); | ||
| assertThat(results) | ||
| .contains( | ||
| "default_namespace.default_schema.table1:col1=2;newCol3=x", | ||
| "default_namespace.default_schema.table1:col1=3;newCol3="); | ||
|
|
||
| // Check the order and content of all received events | ||
| String[] outputEvents = outCaptor.toString().trim().split("\n"); | ||
| assertThat(outputEvents) | ||
| .containsExactly( | ||
| "CreateTableEvent{tableId=default_namespace.default_schema.table1, schema=columns={`col1` STRING,`col2` STRING}, primaryKeys=col1, options=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[1, 1], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[2, 2], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[3, 3], op=INSERT, meta=()}", | ||
| "AddColumnEvent{tableId=default_namespace.default_schema.table1, addedColumns=[ColumnWithPosition{column=`col3` STRING, position=LAST, existingColumn=null}]}", | ||
| "RenameColumnEvent{tableId=default_namespace.default_schema.table1, nameMapping={col2=newCol2, col3=newCol3}}", | ||
| "DropColumnEvent{tableId=default_namespace.default_schema.table1, droppedColumns=[`newCol2` STRING]}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[1, 1], after=[], op=DELETE, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[2, ], after=[2, x], op=UPDATE, meta=()}"); | ||
| } | ||
|
|
||
| @Test | ||
| void testSingleSplitMultipleTables() throws Exception { | ||
| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
|
|
||
| // Setup value source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set( | ||
| ValuesDataSourceOptions.EVENT_SET_ID, | ||
| ValuesDataSourceHelper.EventSetId.SINGLE_SPLIT_MULTI_TABLES); | ||
| SourceDef sourceDef = | ||
| new SourceDef(ValuesDataFactory.IDENTIFIER, "Value Source", sourceConfig); | ||
|
|
||
| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
|
||
| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.GLOBAL_PARALLELISM, 1); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
|
||
| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| execution.execute(); | ||
|
|
||
| // Check result in ValuesDatabase | ||
| List<String> table1Results = ValuesDatabase.getResults(TABLE_1); | ||
| assertThat(table1Results) | ||
| .containsExactly( | ||
| "default_namespace.default_schema.table1:col1=2;newCol3=x", | ||
| "default_namespace.default_schema.table1:col1=3;newCol3="); | ||
| List<String> table2Results = ValuesDatabase.getResults(TABLE_2); | ||
| assertThat(table2Results) | ||
| .contains( | ||
| "default_namespace.default_schema.table2:col1=1;col2=1", | ||
| "default_namespace.default_schema.table2:col1=2;col2=2", | ||
| "default_namespace.default_schema.table2:col1=3;col2=3"); | ||
|
|
||
| // Check the order and content of all received events | ||
| String[] outputEvents = outCaptor.toString().trim().split("\n"); | ||
| assertThat(outputEvents) | ||
| .containsExactly( | ||
| "CreateTableEvent{tableId=default_namespace.default_schema.table1, schema=columns={`col1` STRING,`col2` STRING}, primaryKeys=col1, options=()}", | ||
| "CreateTableEvent{tableId=default_namespace.default_schema.table2, schema=columns={`col1` STRING,`col2` STRING}, primaryKeys=col1, options=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[1, 1], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[2, 2], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[3, 3], op=INSERT, meta=()}", | ||
| "AddColumnEvent{tableId=default_namespace.default_schema.table1, addedColumns=[ColumnWithPosition{column=`col3` STRING, position=LAST, existingColumn=null}]}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table2, before=[], after=[1, 1], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table2, before=[], after=[2, 2], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table2, before=[], after=[3, 3], op=INSERT, meta=()}", | ||
| "RenameColumnEvent{tableId=default_namespace.default_schema.table1, nameMapping={col2=newCol2, col3=newCol3}}", | ||
| "DropColumnEvent{tableId=default_namespace.default_schema.table1, droppedColumns=[`newCol2` STRING]}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[1, 1], after=[], op=DELETE, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[2, 2], after=[2, x], op=UPDATE, meta=()}"); | ||
| } | ||
|
|
||
| @Test | ||
| void testMultiSplitsSingleTable() throws Exception { | ||
| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
|
|
||
| // Setup value source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set( | ||
| ValuesDataSourceOptions.EVENT_SET_ID, | ||
| ValuesDataSourceHelper.EventSetId.MULTI_SPLITS_SINGLE_TABLE); | ||
| SourceDef sourceDef = | ||
| new SourceDef(ValuesDataFactory.IDENTIFIER, "Value Source", sourceConfig); | ||
|
|
||
| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
|
||
| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.GLOBAL_PARALLELISM, MAX_PARALLELISM); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
|
||
| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| execution.execute(); | ||
|
|
||
| // Check result in ValuesDatabase | ||
| List<String> table1Results = ValuesDatabase.getResults(TABLE_1); | ||
| assertThat(table1Results) | ||
| .contains( | ||
| "default_namespace.default_schema.table1:col1=1;col2=1;col3=x", | ||
| "default_namespace.default_schema.table1:col1=3;col2=3;col3=x", | ||
| "default_namespace.default_schema.table1:col1=5;col2=5;col3="); | ||
| } | ||
| } |
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