flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/xa/JdbcXaSinkNoInsertionTest.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
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package org.apache.flink.connector.jdbc.xa;

import org.apache.flink.connector.jdbc.JdbcTestFixture;
import org.apache.flink.connector.jdbc.databases.h2.H2XaTestBase;
import org.apache.flink.connector.jdbc.testutils.DatabaseMetadata;
import org.apache.flink.connector.jdbc.testutils.databases.h2.H2XaDatabase;

import org.junit.jupiter.api.Test;

import static org.apache.flink.connector.jdbc.JdbcTestFixture.TEST_DATA;
import static org.assertj.core.api.Assertions.assertThat;

/** Tests that data is not inserted ahead of time. */
class JdbcXaSinkNoInsertionTest extends JdbcXaSinkTestBase implements H2XaTestBase {

    @Override
    public DatabaseMetadata getMetadata() {
        return H2XaDatabase.getMetadata();
    }

    @Test
    void testNoInsertAfterInvoke() throws Exception {
        sinkHelper.emit(TEST_DATA[0]);
        assertThat(xaHelper.countInDb())
                .as("no records should be inserted for incomplete checkpoints.")
                .isEqualTo(0);
    }

    @Test
    void testNoInsertAfterSnapshot() throws Exception {
        sinkHelper.emitAndSnapshot(JdbcTestFixture.CP0);
        assertThat(xaHelper.countInDb())
                .as("no records should be inserted for incomplete checkpoints.")
                .isEqualTo(0);
    }

    @Test
    public void testNoInsertAfterSinkClose() throws Exception {
        sinkHelper.emitAndSnapshot(JdbcTestFixture.CP0);
        sinkHelper.close();
        assertThat(xaHelper.countInDb()).isEqualTo(0);
    }

    @Test
    void testNoInsertAfterFacadeClose() throws Exception {
        try (XaFacadeImpl xaFacade =
                XaFacadeImpl.fromXaDataSource(getMetadata().buildXaDataSource())) {
            sinkHelper =
                    new JdbcXaSinkTestHelper(
                            buildAndInit(0, xaFacade), new TestXaSinkStateHandler());
            sinkHelper.emitAndSnapshot(JdbcTestFixture.CP0);
        }
        assertThat(xaHelper.countInDb()).isEqualTo(0);
    }
}