public function testItCallsCalendarFunctions()
 {
     foreach (array('year', 'month', 'week', 'day') as $periodName) {
         $period = $this->getMock('CalendR\\Perdiod\\PeriodInterface');
         $this->calendar->expects($this->once())->method('get' . ucfirst($periodName))->with('foo', 'bar')->will($this->returnValue($period));
         $this->assertSame($period, $this->object->{'get' . ucfirst($periodName)}('foo', 'bar'));
     }
     $events = array($this->getMock('CalendR\\Event\\EventInterface'));
     $period = $this->getMock('CalendR\\Period\\PeriodInterface');
     $this->calendar->expects($this->once())->method('getEvents')->with($period)->will($this->returnValue($events));
     $this->assertSame($events, $this->object->getEvents($period));
 }