AuthorBooks\Tests\BookModelTest::testDateTimeValue PHP Метод

    public function testDateTimeValue()
    {
        $date = new DateTime();
        $book = new Book();
        $ret = $book->create(['title' => 'Create With Time', 'view' => 0, 'published_at' => $date]);
        $this->assertResultSuccess($ret);
        $this->assertInstanceOf('DateTime', $book->published_at);
        $this->assertEquals('00-00-00 00-00-00', $date->diff($book->published_at)->format('%Y-%M-%D %H-%I-%S'));
    }