[hibernate#929] added test for H2 connectivity

hibernate-reactive-core/src/test/java/org/hibernate/reactive/configuration/H2ReactiveConnectionPoolTest.java

@@ -0,0 +1,98 @@
+/* Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright: Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.reactive.configuration;
+
+import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.H2;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.CompletionStage;
+
+import org.hibernate.engine.jdbc.internal.JdbcServicesImpl;
+import org.hibernate.engine.jdbc.spi.JdbcServices;
+import org.hibernate.engine.jdbc.spi.SqlStatementLogger;
+import org.hibernate.reactive.pool.ReactiveConnectionPool;
+import org.hibernate.reactive.pool.impl.H2SqlClientPool;
+import org.hibernate.reactive.pool.impl.DefaultSqlClientPoolConfiguration;
+import org.hibernate.reactive.pool.impl.SqlClientPoolConfiguration;
+import org.hibernate.reactive.provider.Settings;
+import org.hibernate.reactive.testing.DatabaseSelectionRule;
+import org.hibernate.reactive.testing.TestingRegistryRule;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import io.vertx.ext.unit.Async;
+import io.vertx.ext.unit.TestContext;
+import io.vertx.ext.unit.junit.RunTestOnContext;
+import io.vertx.ext.unit.junit.Timeout;
+import io.vertx.ext.unit.junit.VertxUnitRunner;
+
+@RunWith(VertxUnitRunner.class)
+public class H2ReactiveConnectionPoolTest {
+
+	@Rule
+	public DatabaseSelectionRule dbRule = DatabaseSelectionRule.runOnlyFor( H2 );
+
+	@Rule
+	public Timeout rule = Timeout.seconds( 3600 );
+
+	@Rule
+	public TestingRegistryRule registryRule = new TestingRegistryRule();
+
+	@Rule
+	public RunTestOnContext vertxContextRule = new RunTestOnContext();
+
+	protected static void test(TestContext context, CompletionStage<?> cs) {
+		// this will be added to TestContext in the next vert.x release
+		Async async = context.async();
+		cs.whenComplete( (res, err) -> {
+			if ( err != null ) {
+				context.fail( err );
+			}
+			else {
+				async.complete();
+			}
+		} );
+	}
+
+	private ReactiveConnectionPool configureAndStartPool(Map<String, Object> config) {
+		DefaultSqlClientPoolConfiguration poolConfig = new DefaultSqlClientPoolConfiguration();
+		poolConfig.configure( config );
+		registryRule.addService( SqlClientPoolConfiguration.class, poolConfig );
+		registryRule.addService( JdbcServices.class, new JdbcServicesImpl() {
+			@Override
+			public SqlStatementLogger getSqlStatementLogger() {
+				return new SqlStatementLogger();
+			}
+		} );
+		H2SqlClientPool reactivePool = new H2SqlClientPool();
+		reactivePool.injectServices( registryRule.getServiceRegistry() );
+		reactivePool.configure( config );
+		reactivePool.start();
+		return reactivePool;
+	}
+
+	@Test
+	public void configureWithJdbcUrl(TestContext context) {
+		String url = "jdbc:h2:~/test";
+		Map<String,Object> config = new HashMap<>();
+		config.put( Settings.URL, url );
+		ReactiveConnectionPool reactivePool = configureAndStartPool( config );
+		test( context, verifyConnectivity( context, reactivePool ) );
+	}
+
+	private CompletionStage<Void> verifyConnectivity(TestContext context, ReactiveConnectionPool reactivePool) {
+		return reactivePool.getConnection().thenCompose(
+				connection -> connection.select( "SELECT 1" )
+						.thenAccept( rows -> {
+							context.assertNotNull( rows );
+							context.assertEquals( 1, rows.size() );
+							context.assertEquals( 1, rows.next()[0] );
+						} ) );
+	}
+}