ImboUnitTest\Http\Response\Formatter\JSONTest::testCanFormatAnErrorModelWhenNoImageIdentifierExists PHP Method

    public function testCanFormatAnErrorModelWhenNoImageIdentifierExists()
    {
        $date = new DateTime();
        $model = $this->getMock('Imbo\\Model\\Error');
        $model->expects($this->once())->method('getDate')->will($this->returnValue($date));
        $model->expects($this->once())->method('getImageIdentifier')->will($this->returnValue(null));
        $json = $this->formatter->format($model);
        $data = json_decode($json, true);
        $this->assertArrayNotHasKey('imageIdentifier', $data);
    }