[test][postgres] Close postgres containers after tests and fix container reuse bug (apache#2394)

Author: loserwang1024

flink-connector-postgres-cdc/src/test/java/com/ververica/cdc/connectors/postgres/PostgreSQLSourceTest.java

@@ -37,6 +37,7 @@
 import com.ververica.cdc.debezium.DebeziumDeserializationSchema;
 import com.ververica.cdc.debezium.DebeziumSourceFunction;
 import org.apache.kafka.connect.source.SourceRecord;
+import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -97,6 +98,13 @@ public static void startAll() {
         LOG.info("Containers are started.");
     }
 
+    @AfterClass
+    public static void stopAll() {
+        LOG.info("Stopping containers...");
+        POSTGRES_CONTAINER_OLD.stop();
+        LOG.info("Containers are stopped.");
+    }
+
     @Before
     public void before() {
         initializePostgresTable(POSTGRES_CONTAINER_OLD, "inventory");

flink-connector-postgres-cdc/src/test/java/com/ververica/cdc/connectors/postgres/PostgresTestBase.java

@@ -19,9 +19,11 @@
 import org.apache.flink.table.planner.factories.TestValuesTableFactory;
 import org.apache.flink.test.util.AbstractTestBase;
 
+import com.ververica.cdc.connectors.postgres.source.PostgresConnectionPoolFactory;
 import io.debezium.config.Configuration;
 import io.debezium.connector.postgresql.connection.PostgresConnection;
 import io.debezium.jdbc.JdbcConfiguration;
+import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -83,17 +85,28 @@ public static void startContainers() {
         LOG.info("Containers are started.");
     }
 
+    @AfterClass
+    public static void stopContainers() {
+        LOG.info("Stopping containers...");
+        POSTGRES_CONTAINER.stop();
+        LOG.info("Containers are stopped.");
+    }
+
     protected Connection getJdbcConnection(PostgreSQLContainer container) throws SQLException {
         return DriverManager.getConnection(
                 container.getJdbcUrl(), container.getUsername(), container.getPassword());
     }
 
     public static Connection getJdbcConnection(PostgreSQLContainer container, String databaseName)
             throws SQLException {
+        String jdbcUrl =
+                String.format(
+                        PostgresConnectionPoolFactory.JDBC_URL_PATTERN,
+                        container.getHost(),
+                        container.getMappedPort(PostgreSQLContainer.POSTGRESQL_PORT),
+                        databaseName);
         return DriverManager.getConnection(
-                container.withDatabaseName(databaseName).getJdbcUrl(),
-                container.getUsername(),
-                container.getPassword());
+                jdbcUrl, container.getUsername(), container.getPassword());
     }
 
     public static String getSlotName() {

flink-connector-postgres-cdc/src/test/java/com/ververica/cdc/connectors/postgres/table/PostgreSQLConnectorITCase.java

@@ -535,25 +535,58 @@ public void testMetadataColumns() throws Throwable {
 
         // waiting for change events finished.
         waitForSinkSize("sink", 16);
+        String databaseName = POSTGRES_CONTAINER.getDatabaseName();
 
         List<String> expected =
                 Arrays.asList(
-                        "+I(postgres,inventory,products,101,scooter,Small 2-wheel scooter,3.140)",
-                        "+I(postgres,inventory,products,102,car battery,12V car battery,8.100)",
-                        "+I(postgres,inventory,products,103,12-pack drill bits,12-pack of drill bits with sizes ranging from #40 to #3,0.800)",
-                        "+I(postgres,inventory,products,104,hammer,12oz carpenter's hammer,0.750)",
-                        "+I(postgres,inventory,products,105,hammer,14oz carpenter's hammer,0.875)",
-                        "+I(postgres,inventory,products,106,hammer,16oz carpenter's hammer,1.000)",
-                        "+I(postgres,inventory,products,107,rocks,box of assorted rocks,5.300)",
-                        "+I(postgres,inventory,products,108,jacket,water resistent black wind breaker,0.100)",
-                        "+I(postgres,inventory,products,109,spare tire,24 inch spare tire,22.200)",
-                        "+I(postgres,inventory,products,110,jacket,water resistent white wind breaker,0.200)",
-                        "+I(postgres,inventory,products,111,scooter,Big 2-wheel scooter ,5.180)",
-                        "+U(postgres,inventory,products,106,hammer,18oz carpenter hammer,1.000)",
-                        "+U(postgres,inventory,products,107,rocks,box of assorted rocks,5.100)",
-                        "+U(postgres,inventory,products,110,jacket,new water resistent white wind breaker,0.500)",
-                        "+U(postgres,inventory,products,111,scooter,Big 2-wheel scooter ,5.170)",
-                        "-D(postgres,inventory,products,111,scooter,Big 2-wheel scooter ,5.170)");
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,101,scooter,Small 2-wheel scooter,3.140)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,102,car battery,12V car battery,8.100)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,103,12-pack drill bits,12-pack of drill bits with sizes ranging from #40 to #3,0.800)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,104,hammer,12oz carpenter's hammer,0.750)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,105,hammer,14oz carpenter's hammer,0.875)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,106,hammer,16oz carpenter's hammer,1.000)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,107,rocks,box of assorted rocks,5.300)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,108,jacket,water resistent black wind breaker,0.100)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,109,spare tire,24 inch spare tire,22.200)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,110,jacket,water resistent white wind breaker,0.200)",
+                        "+I("
+                                + databaseName
+                                + ",inventory,products,111,scooter,Big 2-wheel scooter ,5.180)",
+                        "+U("
+                                + databaseName
+                                + ",inventory,products,106,hammer,18oz carpenter hammer,1.000)",
+                        "+U("
+                                + databaseName
+                                + ",inventory,products,107,rocks,box of assorted rocks,5.100)",
+                        "+U("
+                                + databaseName
+                                + ",inventory,products,110,jacket,new water resistent white wind breaker,0.500)",
+                        "+U("
+                                + databaseName
+                                + ",inventory,products,111,scooter,Big 2-wheel scooter ,5.170)",
+                        "-D("
+                                + databaseName
+                                + ",inventory,products,111,scooter,Big 2-wheel scooter ,5.170)");
         List<String> actual = TestValuesTableFactory.getRawResults("sink");
         Collections.sort(actual);
         Collections.sort(expected);