Sokil\Mongo\DocumentValidationTest::testIsValid_FieldLength_MinMax PHP Method

    public function testIsValid_FieldLength_MinMax()
    {
        // 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('some-field-name', 'length', 'min' => 5, 'max' => 7))));
        // required field empty
        $this->assertTrue($document->isValid());
        // required field set to smaller of left bound
        $document->set('some-field-name', '123');
        $this->assertFalse($document->isValid());
        // required field length set to equal of left bound
        $document->set('some-field-name', '12345');
        $this->assertTrue($document->isValid());
        // required field length set to length in range
        $document->set('some-field-name', '123456');
        $this->assertTrue($document->isValid());
        // required field length set to equal of right bound
        $document->set('some-field-name', '1234567');
        $this->assertTrue($document->isValid());
        // required field length set to longer of right bound
        $document->set('some-field-name', '123456789');
        $this->assertFalse($document->isValid());
    }