FloatConverterTest.php

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

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class FloatConverterTest extends \TYPO3\TestingFramework\Core\Unit\UnitTestCase
{
    protected $converter;

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

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

    public function convertFromShouldCastTheStringToFloat()
    {
        $this->assertSame(1.5, $this->converter->convertFrom('1.5', 'float'));
    }

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

    public function convertFromShouldAcceptIntegers()
    {
        $this->assertSame((float)123, $this->converter->convertFrom(123, 'float'));
    }

    public function convertFromShouldRespectConfiguration()
    {
        $mockMappingConfiguration = $this->createMock(\TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface::class);
        $mockMappingConfiguration
            ->expects($this->at(0))
            ->method('getConfigurationValue')
            ->with(\TYPO3\CMS\Extbase\Property\TypeConverter\FloatConverter::class, \TYPO3\CMS\Extbase\Property\TypeConverter\FloatConverter::CONFIGURATION_THOUSANDS_SEPARATOR)
            ->willReturn('.');
        $mockMappingConfiguration
            ->expects($this->at(1))
            ->method('getConfigurationValue')
            ->with(\TYPO3\CMS\Extbase\Property\TypeConverter\FloatConverter::class, \TYPO3\CMS\Extbase\Property\TypeConverter\FloatConverter::CONFIGURATION_DECIMAL_POINT)
            ->willReturn(',');
        $this->assertSame(1024.42, $this->converter->convertFrom('1.024,42', 'float', [], $mockMappingConfiguration));
    }

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

    public function canConvertFromShouldReturnTrue()
    {
        $this->assertTrue($this->converter->canConvertFrom('1.5', 'float'));
    }

    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'));
    }
}