StringLengthValidatorTest.php

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<?php
namespace TYPO3\CMS\Extbase\Tests\Unit\Validation\Validator;

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use TYPO3\CMS\Extbase\Validation\Exception\InvalidValidationOptionsException;

class StringLengthValidatorTest extends \TYPO3\TestingFramework\Core\Unit\UnitTestCase
{
    protected $validatorClassName = \TYPO3\CMS\Extbase\Validation\Validator\StringLengthValidator::class;

    public function setup()
    {
        $this->validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['translateErrorMessage'])
            ->getMock();
    }

    protected $validator;

    public function validateReturnsNoErrorIfTheGivenValueIsNull()
    {
        $this->assertFalse($this->validator->validate(null)->hasErrors());
    }

    public function validateReturnsNoErrorIfTheGivenValueIsAnEmptyString()
    {
        $this->assertFalse($this->validator->validate('')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorForAStringShorterThanMaxLengthAndLongerThanMinLength()
    {
        $options = ['minimum' => 0, 'maximum' => 50];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('this is a very simple string')->hasErrors());
    }

    public function stringLengthValidatorReturnsErrorForAStringShorterThanThanMinLength()
    {
        $options = ['minimum' => 50, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertTrue($validator->validate('this is a very short string')->hasErrors());
    }

    public function stringLengthValidatorReturnsErrorsForAStringLongerThanThanMaxLength()
    {
        $options = ['minimum' => 5, 'maximum' => 10];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertTrue($validator->validate('this is a very short string')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorsForAStringLongerThanThanMinLengthAndMaxLengthNotSpecified()
    {
        $options = ['minimum' => 5];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('this is a very short string')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorsForAStringShorterThanThanMaxLengthAndMinLengthNotSpecified()
    {
        $options = ['maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('this is a very short string')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorsForAStringLengthEqualToMaxLengthAndMinLengthNotSpecified()
    {
        $options = ['maximum' => 10];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('1234567890')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorForAStringLengthEqualToMinLengthAndMaxLengthNotSpecified()
    {
        $options = ['minimum' => 10];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('1234567890')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorIfMinLengthAndMaxLengthAreEqualAndTheGivenStringMatchesThisValue()
    {
        $options = ['minimum' => 10, 'maximum' => 10];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('1234567890')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorsfTheStringLengthIsEqualToMaxLength()
    {
        $options = ['minimum' => 1, 'maximum' => 10];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('1234567890')->hasErrors());
    }

    public function stringLengthValidatorReturnsNoErrorIfTheStringLengthIsEqualToMinLength()
    {
        $options = ['minimum' => 10, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('1234567890')->hasErrors());
    }

    public function stringLengthValidatorThrowsAnExceptionIfMinLengthIsGreaterThanMaxLength()
    {
        $this->expectException(InvalidValidationOptionsException::class);
        $this->expectExceptionCode(1238107096);
        $options = ['minimum' => 101, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['addError', 'translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();
        $validator->validate('1234567890');
    }

    public function stringLengthValidatorInsertsAnErrorObjectIfValidationFails()
    {
        $options = ['minimum' => 50, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertEquals(1, count($validator->validate('this is a very short string')->getErrors()));
    }

    public function stringLengthValidatorCanHandleAnObjectWithAToStringMethod()
    {
        $options = ['minimum' => 5, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['addError', 'translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();

        $className = $this->getUniqueId('TestClass');

        eval('
            class ' . $className . ' {
                public function __toString() {
                    return \'some string\';
                }
            }
        ');

        $object = new $className();
        $this->assertFalse($validator->validate($object)->hasErrors());
    }

    public function validateReturnsErrorsIfTheGivenObjectCanNotBeConvertedToAString()
    {
        $options = ['minimum' => 5, 'maximum' => 100];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['translateErrorMessage'])
            ->setConstructorArgs([$options])
            ->getMock();

        $className = $this->getUniqueId('TestClass');

        eval('
            class ' . $className . ' {
                protected $someProperty;
            }
        ');

        $object = new $className();
        $this->assertTrue($validator->validate($object)->hasErrors());
    }

    public function validateRegardsMultibyteStringsCorrectly()
    {
        $options = ['minimum' => 0, 'maximum' => 8];
        $validator = $this->getMockBuilder($this->validatorClassName)
            ->setMethods(['dummy'])
            ->setConstructorArgs([$options])
            ->getMock();
        $this->assertFalse($validator->validate('überlang')->hasErrors());
    }
}