public function testGetRelationBelongsTo()
{
$details = new BookDetails($this->conn, ['books_id' => 5]);
$driver = $this->expectDriver();
$statement = $this->getMockBuilder('Doctrine\\DBAL\\Statement')->disableOriginalConstructor()->getMock();
$this->conn->expects($this->once())->method('prepare')->with('SELECT * FROM `books` WHERE `id` = ? LIMIT 1')->will($this->returnValue($statement));
$statement->expects($this->once())->method('execute')->with([5]);
$result = ['name' => 'foo'];
$statement->expects($this->once())->method('fetch')->will($this->returnValue($result));
$book = $details->getRelation('book');
$this->assertInstanceOf('ActiveDoctrine\\Tests\\Fixtures\\Bookshop\\Book', $book);
$this->assertSame('foo', $book->name);
/* the query should not be executed more than once */
$details->getRelation('book');
}
