Sokil\Mongo\DocumentValidationTest::testIsValid_FieldIp PHP Method

    public function testIsValid_FieldIp()
    {
        // mock of document
        $document = $this->getMock('\\Sokil\\Mongo\\Document', array('rules'), array($this->collection));
        $document->expects($this->any())->method('rules')->will($this->returnValue(array(array('ipField', 'ip'))));
        // required field empty
        $this->assertTrue($document->isValid());
        // ip invalid
        $document->set('ipField', '42');
        $this->assertFalse($document->isValid());
        $document->set('ipField', '777.777.777.777');
        $this->assertFalse($document->isValid());
        // ip valid
        $document->set('ipField', '93.16.56.123');
        $this->assertTrue($document->isValid());
    }