Add PostgreSQLR2DBCDatabaseContainer compatible with org.testcontainers.postgresql.PostgreSQLContainer (#11120)

Author: eddumelendez

modules/postgresql/src/main/java/org/testcontainers/postgresql/PostgreSQLR2DBCDatabaseContainer.java

@@ -0,0 +1,58 @@
+package org.testcontainers.postgresql;
+
+import io.r2dbc.postgresql.PostgresqlConnectionFactoryProvider;
+import io.r2dbc.spi.ConnectionFactoryOptions;
+import org.testcontainers.lifecycle.Startable;
+import org.testcontainers.r2dbc.R2DBCDatabaseContainer;
+
+import java.util.Set;
+
+public final class PostgreSQLR2DBCDatabaseContainer implements R2DBCDatabaseContainer {
+
+    private final PostgreSQLContainer container;
+
+    public PostgreSQLR2DBCDatabaseContainer(PostgreSQLContainer container) {
+        this.container = container;
+    }
+
+    public static ConnectionFactoryOptions getOptions(PostgreSQLContainer container) {
+        ConnectionFactoryOptions options = ConnectionFactoryOptions
+            .builder()
+            .option(ConnectionFactoryOptions.DRIVER, PostgresqlConnectionFactoryProvider.POSTGRESQL_DRIVER)
+            .build();
+
+        return new PostgreSQLR2DBCDatabaseContainer(container).configure(options);
+    }
+
+    @Override
+    public ConnectionFactoryOptions configure(ConnectionFactoryOptions options) {
+        return options
+            .mutate()
+            .option(ConnectionFactoryOptions.HOST, container.getHost())
+            .option(ConnectionFactoryOptions.PORT, container.getMappedPort(PostgreSQLContainer.POSTGRESQL_PORT))
+            .option(ConnectionFactoryOptions.DATABASE, container.getDatabaseName())
+            .option(ConnectionFactoryOptions.USER, container.getUsername())
+            .option(ConnectionFactoryOptions.PASSWORD, container.getPassword())
+            .build();
+    }
+
+    @Override
+    public Set<Startable> getDependencies() {
+        return this.container.getDependencies();
+    }
+
+    @Override
+    public void start() {
+        this.container.start();
+    }
+
+    @Override
+    public void stop() {
+        this.container.stop();
+    }
+
+    @Override
+    public void close() {
+        this.container.close();
+    }
+}

modules/postgresql/src/test/java/org/testcontainers/postgresql/PostgreSQLR2DBCDatabaseContainerTest.java

@@ -0,0 +1,30 @@
+package org.testcontainers.postgresql;
+
+import io.r2dbc.spi.ConnectionFactoryOptions;
+import org.testcontainers.PostgreSQLTestImages;
+import org.testcontainers.r2dbc.AbstractR2DBCDatabaseContainerTest;
+
+public class PostgreSQLR2DBCDatabaseContainerTest extends AbstractR2DBCDatabaseContainerTest<PostgreSQLContainer> {
+
+    @Override
+    protected PostgreSQLContainer createContainer() {
+        return new PostgreSQLContainer(PostgreSQLTestImages.POSTGRES_TEST_IMAGE);
+    }
+
+    @Override
+    protected ConnectionFactoryOptions getOptions(PostgreSQLContainer container) {
+        // spotless:off
+        // get_options {
+        ConnectionFactoryOptions options = PostgreSQLR2DBCDatabaseContainer.getOptions(
+            container
+        );
+        // }
+        // spotless:on
+
+        return options;
+    }
+
+    protected String createR2DBCUrl() {
+        return "r2dbc:tc:postgresql:///db?TC_IMAGE_TAG=10-alpine";
+    }
+}