StringTransformationTest.php

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<?php

declare(strict_types=1);

namespace ILIAS\Tests\Refinery\KindlyTo\Transformation;

use ILIAS\Refinery\KindlyTo\Transformation\StringTransformation;
use PHPUnit\Framework\TestCase;
use stdClass;
use PHPUnit\Framework\Attributes\DataProvider;

class StringTransformationTest extends TestCase
{
    private StringTransformation $transformation;

    protected function setUp(): void
    {
        $this->transformation = new StringTransformation();
    }

    #[DataProvider('StringTestDataProvider')]
    public function testStringTransformation(mixed $originVal, string $expectedVal): void
    {
        $transformedValue = $this->transformation->transform($originVal);
        $this->assertIsString($transformedValue);
        $this->assertEquals($expectedVal, $transformedValue);
    }

    public static function StringTestDataProvider(): array
    {
        $obj = new class () extends stdClass {
            public function __toString()
            {
                return 'an object';
            }
        };
        return [
            'string_val' => ['hello', 'hello'],
            'int_val' => [300, '300'],
            'neg_int_val' => [-300, '-300'],
            'zero_int_val' => [0, '0'],
            'pos_bool' => [true, 'true'],
            'neg_bool' => [false, 'false'],
            'float_val' => [20.5, '20.5'],
            'object_val' => [$obj, 'an object']
        ];
    }
}