public function testJoin() {
		$query = new Query(array(
			'type' => 'read',
			'model' => $this->_model,
			'fields' => array('MockDatabasePost.title', 'MockDatabasePost.body'),
			'conditions' => array('MockDatabaseTag.tag' => array('foo', 'bar', 'baz')),
			'joins' => array(new Query(array(
				'model' => 'lithium\tests\mocks\data\model\MockDatabaseTag',
				'constraint' => 'MockDatabaseTagging.tag_id = MockDatabaseTag.id'
			)))
		));
		$result = $this->db->renderCommand($query);

		$expected = "SELECT MockDatabasePost.title, MockDatabasePost.body FROM";
		$expected .= " {mock_database_posts} AS {MockDatabasePost} JOIN {mock_database_tags} AS";
		$expected .= " {MockDatabaseTag} ON ";
		$expected .= "MockDatabaseTagging.tag_id = MockDatabaseTag.id";
		$expected .= " WHERE MockDatabaseTag.tag IN ('foo', 'bar', 'baz');";
		$this->assertEqual($expected, $result);
	}