DATAJDBC-168 - Run integration tests with testcontainers.

Added testcontainers as dependency and configured MySql and Postrgres datasources to use it.

Original pull request: #34.

Author: sedooe

pom.xml

@@ -183,6 +183,20 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>org.testcontainers</groupId>
+			<artifactId>mysql</artifactId>
+			<version>1.5.1</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.testcontainers</groupId>
+			<artifactId>postgresql</artifactId>
+			<version>1.5.1</version>
+			<scope>test</scope>
+		</dependency>
+
 	</dependencies>
 
 	<build>

run-tests-against-all-dbs.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-./start-all-dbs.sh && mvn clean install -Pall-dbs && ./stop-all-dbs.sh
+mvn clean install -Pall-dbs

src/test/java/org/springframework/data/jdbc/testing/MySqlDataSourceConfiguration.java

@@ -15,15 +15,16 @@
  */
 package org.springframework.data.jdbc.testing;
 
+import java.sql.SQLException;
+
 import javax.annotation.PostConstruct;
+import javax.script.ScriptException;
 import javax.sql.DataSource;
 
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
-import org.springframework.core.io.ClassPathResource;
-import org.springframework.jdbc.datasource.init.DataSourceInitializer;
-import org.springframework.jdbc.datasource.init.DatabasePopulator;
-import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.testcontainers.containers.MySQLContainer;
+import org.testcontainers.jdbc.ext.ScriptUtils;
 
 import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;
 
@@ -32,35 +33,45 @@
  *
  * @author Jens Schauder
  * @author Oliver Gierke
+ * @author Sedat Gokcen
  */
 @Configuration
 @Profile("mysql")
 class MySqlDataSourceConfiguration extends DataSourceConfiguration {
 
+	private static final MySQLContainer MYSQL_CONTAINER = new MySQLContainer();
+
+	static {
+		MYSQL_CONTAINER.withConfigurationOverride("mysql_cnf_override").withDatabaseName("test").start();
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.jdbc.testing.DataSourceConfiguration#createDataSource()
 	 */
+	@Override
 	protected DataSource createDataSource() {
 
-		MysqlDataSource dataSource = new MysqlDataSource();
-		dataSource.setUrl("jdbc:mysql:///test?user=root");
+		MysqlDataSource dataSource = getCommonDataSource();
+		dataSource.setDatabaseName(MYSQL_CONTAINER.getDatabaseName());
 
 		return dataSource;
 	}
 
 	@PostConstruct
-	public void initDatabase() {
+	public void initDatabase() throws SQLException, ScriptException {
 
-		MysqlDataSource dataSource = new MysqlDataSource();
-		dataSource.setUrl("jdbc:mysql:///?user=root");
+		MysqlDataSource dataSource = getCommonDataSource();
+		ScriptUtils.executeSqlScript(dataSource.getConnection(), null, "DROP DATABASE test;CREATE DATABASE test;");
+	}
 
-		ClassPathResource createScript = new ClassPathResource("create-mysql.sql");
-		DatabasePopulator databasePopulator = new ResourceDatabasePopulator(createScript);
+	private MysqlDataSource getCommonDataSource() {
 
-		DataSourceInitializer initializer = new DataSourceInitializer();
-		initializer.setDatabasePopulator(databasePopulator);
-		initializer.setDataSource(dataSource);
-		initializer.afterPropertiesSet();
+		MysqlDataSource dataSource = new MysqlDataSource();
+		dataSource.setUrl(MYSQL_CONTAINER.getJdbcUrl());
+		dataSource.setUser(MYSQL_CONTAINER.getUsername());
+		dataSource.setPassword(MYSQL_CONTAINER.getPassword());
+
+		return dataSource;
 	}
 }

src/test/java/org/springframework/data/jdbc/testing/PostgresDataSourceConfiguration.java

@@ -21,25 +21,36 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.testcontainers.containers.PostgreSQLContainer;
 
 /**
  * {@link DataSource} setup for PostgreSQL
  *
  * @author Jens Schauder
  * @author Oliver Gierke
+ * @author Sedat Gokcen
  */
 @Configuration
 @Profile("postgres")
 public class PostgresDataSourceConfiguration extends DataSourceConfiguration {
 
+	private static final PostgreSQLContainer POSTGRESQL_CONTAINER = new PostgreSQLContainer();
+
+	static {
+		POSTGRESQL_CONTAINER.start();
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.jdbc.testing.DataSourceConfiguration#createDataSource()
 	 */
+	@Override
 	protected DataSource createDataSource() {
 
 		PGSimpleDataSource ds = new PGSimpleDataSource();
-		ds.setUrl("jdbc:postgresql:///postgres");
+		ds.setUrl(POSTGRESQL_CONTAINER.getJdbcUrl());
+		ds.setUser(POSTGRESQL_CONTAINER.getUsername());
+		ds.setPassword(POSTGRESQL_CONTAINER.getPassword());
 
 		return ds;
 	}

src/test/resources/create-mysql.sql

@@ -0,0 +1,53 @@
+[mysqld]
+
+# the only change we make, other params with the comments all together are the default ones.
+lower_case_table_names = 1
+
+user = mysql
+datadir = /var/lib/mysql
+port   		= 3306
+#socket 		= /tmp/mysql.sock
+skip-external-locking
+key_buffer_size = 16K
+max_allowed_packet = 1M
+table_open_cache = 4
+sort_buffer_size = 64K
+read_buffer_size = 256K
+read_rnd_buffer_size = 256K
+net_buffer_length = 2K
+skip-host-cache
+skip-name-resolve
+
+# Don't listen on a TCP/IP port at all. This can be a security enhancement,
+# if all processes that need to connect to mysqld run on the same host.
+# All interaction with mysqld must be made via Unix sockets or named pipes.
+# Note that using this option without enabling named pipes on Windows
+# (using the "enable-named-pipe" option) will render mysqld useless!
+#
+#skip-networking
+#server-id      	= 1
+
+# Uncomment the following if you want to log updates
+#log-bin=mysql-bin
+
+# binary logging format - mixed recommended
+#binlog_format=mixed
+
+# Causes updates to non-transactional engines using statement format to be
+# written directly to binary log. Before using this option make sure that
+# there are no dependencies between transactional and non-transactional
+# tables such as in the statement INSERT INTO t_myisam SELECT * FROM
+# t_innodb; otherwise, slaves may diverge from the master.
+#binlog_direct_non_transactional_updates=TRUE
+
+# Uncomment the following if you are using InnoDB tables
+innodb_data_file_path = ibdata1:10M:autoextend
+# You can set .._buffer_pool_size up to 50 - 80 %
+# of RAM but beware of setting memory usage too high
+innodb_buffer_pool_size = 16M
+#innodb_additional_mem_pool_size = 2M
+# Set .._log_file_size to 25 % of buffer pool size
+innodb_log_file_size = 5M
+innodb_log_buffer_size = 8M
+innodb_flush_log_at_trx_commit = 1
+innodb_lock_wait_timeout = 50