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

    public function addField(FieldInterface $field)
    {
        $this->fields[$field->getName()] = $field;
    }

 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());
 }