graze / data-file

        ];

    }

    public function handleObjectWithNoToStringMethod()

    {

        $object = m::mock();

        $formatter = new CsvFormatter(new CsvFormat());

        static::expectException(InvalidArgumentException::class);

        $formatter->format([$object]);

    }

    public function testInvoke()

    {

        static::assertEmpty($formatter->getClosingBlock());

    }

    public function testFormatWithInvalidInputWillThrowAnException()

    {

        $formatter = new CsvFormatter(new CsvFormat());

        static::expectException(InvalidArgumentException::class);

        $stuff = (object) ['cake'];

        $formatter->format($stuff);

    }

}