IntegerConverterTest.php

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<?php
namespace TYPO3\CMS\Extbase\Tests\Unit\Property\TypeConverter;

/*                                                                        *
 * This script belongs to the Extbase framework.                            *
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class IntegerConverterTest extends \TYPO3\TestingFramework\Core\Unit\UnitTestCase
{
    protected $converter;

    protected function setUp()
    {
        $this->converter = new \TYPO3\CMS\Extbase\Property\TypeConverter\IntegerConverter();
    }

    public function checkMetadata()
    {
        $this->assertEquals(['integer', 'string'], $this->converter->getSupportedSourceTypes(), 'Source types do not match');
        $this->assertEquals('integer', $this->converter->getSupportedTargetType(), 'Target type does not match');
        $this->assertEquals(10, $this->converter->getPriority(), 'Priority does not match');
    }

    public function convertFromShouldCastTheStringToInteger()
    {
        $this->assertSame(15, $this->converter->convertFrom('15', 'integer'));
    }

    public function convertFromDoesNotModifyIntegers()
    {
        $source = 123;
        $this->assertSame($source, $this->converter->convertFrom($source, 'integer'));
    }

    public function convertFromReturnsNullIfEmptyStringSpecified()
    {
        $this->assertNull($this->converter->convertFrom('', 'integer'));
    }

    public function convertFromReturnsAnErrorIfSpecifiedStringIsNotNumeric()
    {
        $this->assertInstanceOf(\TYPO3\CMS\Extbase\Error\Error::class, $this->converter->convertFrom('not numeric', 'integer'));
    }

    public function canConvertFromShouldReturnTrueForANumericStringSource()
    {
        $this->assertTrue($this->converter->canConvertFrom('15', 'integer'));
    }

    public function canConvertFromShouldReturnTrueForAnIntegerSource()
    {
        $this->assertTrue($this->converter->canConvertFrom(123, 'integer'));
    }

    public function canConvertFromShouldReturnTrueForAnEmptyValue()
    {
        $this->assertTrue($this->converter->canConvertFrom('', 'integer'));
    }

    public function canConvertFromShouldReturnTrueForANullValue()
    {
        $this->assertTrue($this->converter->canConvertFrom(null, 'integer'));
    }

    public function getSourceChildPropertiesToBeConvertedShouldReturnEmptyArray()
    {
        $this->assertEquals([], $this->converter->getSourceChildPropertiesToBeConverted('myString'));
    }
}