function testCachingByUserName() { $dao = new MockUserDao($this); $dar = new MockDataAccessResult($this); $dao->setReturnReference('searchByUserName', $dar); $dar->setReturnValueAt(0, 'getRow', array('user_name' => 'user_123', 'user_id' => 123)); $dar->setReturnValueAt(1, 'getRow', false); $dao->expectOnce('searchByUserName', array('user_123')); $user123 = new MockUser($this); $user123->setReturnValue('getId', 123); $user123->setReturnValue('getUserName', 'user_123'); $user456 = new MockUser($this); $user456->setReturnValue('getId', 456); $user456->setReturnValue('getUserName', 'user_456'); $um = new UserManagerTestVersion($this); $um->setReturnReference('getUserInstanceFromRow', $user123, array(array('user_name' => 'user_123', 'user_id' => 123))); $um->setReturnReference('getUserInstanceFromRow', $user456, array(array('user_name' => 'user_456', 'user_id' => 456))); $um->setReturnReference('getDao', $dao); $user_1 = $um->getUserByUserName('user_123'); $user_2 = $um->getuserByUserName('user_123'); $this->assertReference($user_1, $user_2); }