/**
  * Test finding vacancies from all sources. Sources are added and removed dynamically.
  * One vacancy can be taken only once.
  */
 public function testFindAll()
 {
     $repository = new VacancyRepository();
     $repository->addSource($this->source1);
     $repository->addSource($this->source2);
     $this->assertEquals(array(1 => $this->vacancy1, 2 => $this->vacancy2), $repository->findAll());
     $repository->removeSource($this->source2);
     $this->assertEquals(array(1 => $this->vacancy1), $repository->findAll());
     $repository->removeSource($this->source1);
     $this->assertEquals(array(), $repository->findAll());
 }