[FLINK-35490] Migrate tests to JUnit 5 and AssertJ #3742
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Rebased and resolved conflicts again. Maybe we can work on this right after cutting branch to minimize the rebase chore. @leonardBang |
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I think it's a good time to complete this(before the open of a large number of other PRs), could @yuxiqian help to resolve the conflict? |
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Thanks for Kunni's proposal, rebased with master and migrated a few newly added test cases. |
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lvyanquan
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flink-cdc-common/pom.xml
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| <source>8</source> | ||
| <target>8</target> | ||
| </configuration> | ||
| </plugin> |
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Hi @leonardBang @ruanhang1993, could you help to check about this? |
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Could @leonardBang please take a look at this? Better put an end to this before moving forward to CDC 3.4. |
leonardBang
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Mar 25, 2025
Signed-off-by: yuxiqian <[email protected]> # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-elasticsearch/pom.xml # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-starrocks/pom.xml # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-db2-cdc/src/test/java/org/apache/flink/cdc/connectors/db2/table/Db2ConnectorITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mongodb-cdc/src/test/java/org/apache/flink/cdc/connectors/mongodb/table/MongoDBConnectorITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mongodb-cdc/src/test/java/org/apache/flink/cdc/connectors/mongodb/table/MongoDBRegexFilterITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/table/MySqlConnectorITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oracle-cdc/src/test/java/org/apache/flink/cdc/connectors/oracle/table/OracleConnectorITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/table/PostgreSQLConnectorITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/table/PostgreSQLSavepointITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-sqlserver-cdc/src/test/java/org/apache/flink/cdc/connectors/sqlserver/table/SqlServerConnectorITCase.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/pom.xml # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/utils/PipelineTestEnvironment.java # flink-cdc-e2e-tests/flink-cdc-source-e2e-tests/src/test/java/org/apache/flink/cdc/connectors/tests/utils/FlinkContainerTestEnvironment.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/table/MySqlConnectorITCase.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/state/PendingSplitsStateSerializerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oceanbase-cdc/src/test/java/org/apache/flink/cdc/connectors/oceanbase/table/OceanBaseMySQLModeITCase.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/source/assigner/state/PendingSplitsStateSerializerTest.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/GenericConnectionPoolTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/MySqlChangeEventSourceExampleTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/source/assigner/state/PendingSplitsStateSerializerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/source/meta/split/SourceSplitSerializerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/test/java/org/apache/flink/cdc/connectors/base/testutils/UniqueDatabase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/state/PendingSplitsStateSerializerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/source/fetch/PostgresScanFetchTaskTest.java # flink-cdc-e2e-tests/flink-cdc-source-e2e-tests/src/test/java/org/apache/flink/cdc/connectors/tests/OracleE2eITCase.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/parser/JaninoCompilerTest.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/parser/TransformParserTest.java # Conflicts: # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/MysqlE2eITCase.java # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlPipelineITCase.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/RouteE2eITCase.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/utils/PipelineTestEnvironment.java # flink-cdc-migration-tests/flink-cdc-migration-testcases/src/test/java/org/apache/flink/cdc/migration/tests/SchemaManagerMigrationTest.java # flink-cdc-migration-tests/flink-cdc-migration-testcases/src/test/java/org/apache/flink/cdc/migration/tests/SchemaRegistryMigrationTest.java # flink-cdc-migration-tests/flink-cdc-migration-testcases/src/test/java/org/apache/flink/cdc/migration/tests/TableChangeInfoMigrationTest.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/operators/schema/coordinator/SchemaDerivationTest.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/operators/schema/regular/SchemaEvolveTest.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/operators/schema/regular/SchemaOperatorTest.java # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplierTest.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonSinkITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oceanbase-cdc/src/test/java/org/apache/flink/cdc/connectors/oceanbase/table/OceanBaseMySQLModeITCase.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/pom.xml # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/debezium/reader/SnapshotSplitReaderTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlSourceTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/MySqlHybridSplitAssignerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/MySqlSnapshotSplitAssignerTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/table/MySqlTableSourceFactoryTest.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/utils/PipelineTestEnvironment.java # flink-cdc-pipeline-model/src/test/java/org/apache/flink/cdc/runtime/model/TestOpenAIChatModel.java # flink-cdc-pipeline-model/src/test/java/org/apache/flink/cdc/runtime/model/TestOpenAIEmbeddingModel.java # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-doris/src/test/java/org/apache/flink/cdc/connectors/doris/sink/DorisMetadataApplierITCase.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-elasticsearch/src/test/java/org/apache/flink/cdc/connectors/elasticsearch/sink/ElasticsearchDataSinkFactoryTest.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonSinkITCase.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-starrocks/src/test/java/org/apache/flink/cdc/connectors/starrocks/sink/StarRocksMetadataApplierITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/source/PostgresSourceITCase.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/MySqlToDorisE2eITCase.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/parser/TransformParserTest.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/serializer/SerializerTestBase.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/serializer/schema/DataTypeSerializerTest.java # tools/maven/checkstyle.xml # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-doris/src/test/java/org/apache/flink/cdc/connectors/doris/sink/DorisRowConverterTest.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlDataSourceFactoryTest.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlFullTypesITCase.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlMetadataAccessorITCase.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlPipelineITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/table/MySqlTableSourceFactoryTest.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/LegacyMySqlSourceITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlSourceITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/SpecificStartingOffsetITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxSourceTestBase.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mongodb-cdc/src/test/java/org/apache/flink/cdc/connectors/mongodb/LegacyMongoDBTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/LegacyMySqlTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxSourceTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oceanbase-cdc/src/test/java/org/apache/flink/cdc/connectors/oceanbase/OceanBaseTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/PostgresTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-sqlserver-cdc/src/test/java/org/apache/flink/cdc/connectors/sqlserver/SqlServerTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-sqlserver-cdc/src/test/java/org/apache/flink/cdc/connectors/sqlserver/source/reader/fetch/SqlServerScanFetchTaskTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-tidb-cdc/src/test/java/org/apache/flink/cdc/connectors/tidb/TiDBTestBase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-vitess-cdc/src/test/java/org/apache/flink/cdc/connectors/vitess/VitessTestBase.java # flink-cdc-runtime/src/test/java/org/apache/flink/cdc/runtime/serializer/SerializerTestBase.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-db2-cdc/src/test/java/org/apache/flink/cdc/connectors/db2/table/Db2TableSourceFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mongodb-cdc/src/test/java/org/apache/flink/cdc/connectors/mongodb/table/MongoDBTableFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlSourceITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/MySqlChunkSplitterTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/table/MySqlTableSourceFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxCharsetITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxSourceITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oracle-cdc/src/test/java/org/apache/flink/cdc/connectors/oracle/table/OracleTableSourceFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/table/PostgreSQLTableFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-sqlserver-cdc/src/test/java/org/apache/flink/cdc/connectors/sqlserver/table/SqlServerTableFactoryTest.java # flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/utils/PipelineTestEnvironment.java # flink-cdc-e2e-tests/flink-cdc-source-e2e-tests/src/test/java/org/apache/flink/cdc/connectors/tests/utils/FlinkContainerTestEnvironment.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxCharsetITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxSourceITCase.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/polardbx/PolardbxSourceTestBase.java # Conflicts: # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonHashFunctionTest.java # flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplierTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mongodb-cdc/src/test/java/org/apache/flink/cdc/connectors/mongodb/table/MongoDBTableFactoryTest.java # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-postgres-cdc/src/test/java/org/apache/flink/cdc/connectors/postgres/table/PostgreSQLTableFactoryTest.java # Conflicts: # flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/split/MySqlBinlogSplitTest.java
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This is a sequel PR based on @morazow's great work in #3395.
Currently, there are way too many unit tests and assertion frameworks, including JUnit-4 style
Assert, JUnit-5 style Assertions, Hamcrest Matchers, AssertJ fluent assertions. JUnit 4, 5 (Jupier and Vintage) test frameworks are also used altogether, which is prone to mistakes.Among all these solutions, AssertJ is generally regarded as the most readable and expressive, and used as the assertion standard in many other projects like Apache Iceberg.
This PR migrates all existing test cases to JUnit 5 + AssertJ combination, with an enforced rule defined in spotless style check to forbid using any other testing / asserting frameworks.