NewMethodTransformationTest.php

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<?php

declare(strict_types=1);

namespace ILIAS\Tests\Refinery\To\Transformation;

use Error;
use ILIAS\Data\Result\Ok;
use ILIAS\DI\Exceptions\Exception;
use ILIAS\Refinery\To\Transformation\NewMethodTransformation;
use PHPUnit\Framework\TestCase;
use TypeError;
use InvalidArgumentException;

class NewMethodTransformationTest extends TestCase
{
    public function testNewObjectTransformation(): void
    {
        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'myMethod');

        $result = $transformation->transform(['hello', 42]);

        $this->assertEquals(['hello', 42], $result);
    }

    public function testNewMethodTransformationThrowsTypeErrorOnInvalidConstructorArguments(): void
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'myMethod');

        try {
            $object = $transformation->transform(['hello', 'world']);
        } catch (TypeError $exception) {
            return;
        }

        $this->fail();
    }

    public function testClassDoesNotExistWillThrowException(): void
    {
        $this->expectNotToPerformAssertions();

        try {
            $transformation = new NewMethodTransformation('BreakdanceMcFunkyPants', 'myMethod');
        } catch (Error $exception) {
            return;
        }

        $this->fail();
    }

    public function testMethodDoesNotExistOnClassWillThrowException(): void
    {
        $this->expectNotToPerformAssertions();

        try {
            $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'someMethod');
        } catch (InvalidArgumentException $exception) {
            return;
        }

        $this->fail();
    }

    public function testPrivateMethodCanNotBeCalledInTransform(): void
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'myPrivateMethod');

        try {
            $object = $transformation->transform(['hello', 10]);
        } catch (Error $error) {
            return;
        }

        $this->fail();
    }

    public function testPrivateMethodCanNotBeCalledInApplyto(): void
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'myPrivateMethod');
        try {
            $object = $transformation->applyTo(new Ok(['hello', 10]));
        } catch (Error $error) {
            return;
        }

        $this->fail();
    }

    public function testMethodThrowsExceptionInTransform(): void
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'methodThrowsException');

        try {
            $object = $transformation->transform(['hello', 10]);
        } catch (Exception $exception) {
            return;
        }

        $this->fail();
    }

    public function testMethodThrowsExceptionInApplyTo(): void
    {
        $transformation = new NewMethodTransformation(new NewMethodTransformationTestClass(), 'methodThrowsException');

        $object = $transformation->applyTo(new Ok(['hello', 10]));

        $this->assertTrue($object->isError());
    }
}

class NewMethodTransformationTestClass
{
    public function myMethod(string $string, int $integer): array
    {
        return [$string, $integer];
    }

    private function myPrivateMethod(string $string, int $integer): array
    {
        return [$string, $integer];
    }

    public function methodThrowsException(string $string, int $integer): void
    {
        throw new Exception('SomeException');
    }
}