Bolt\Storage\Field\Manager::has PHP Method

    public function has($field)
    {
        return isset($this->fields[$field]) || in_array($field, $this->dummyFields);
    }

 public function testAddingFetchingfields()
 {
     $field = $this->getMock('Bolt\\Storage\\Field\\Base', null, ['test', 'test.twig']);
     $manager = new Manager();
     $manager->addField($field);
     $this->assertTrue($manager->has('test'));
     $this->assertEquals($field, $manager->getField('test'));
     $this->assertFalse($manager->getField('nonexistent'));
     $this->assertGreaterThan(5, $manager->fields());
 }