ListTransformationTest.php

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<?php

declare(strict_types=1);

namespace ILIAS\Tests\Refinery\To\Transformation;

use ILIAS\Data\Result\Ok;
use ILIAS\Refinery\To\Transformation\ListTransformation;
use ILIAS\Refinery\To\Transformation\StringTransformation;
use PHPUnit\Framework\TestCase;
use UnexpectedValueException;

class ListTransformationTest extends TestCase
{
    public function testListTransformationIsValid(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());

        $result = $listTransformation->transform(['hello', 'world']);

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

    public function testTransformOnEmptyArrayReturnsEmptyList(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());
        $this->assertSame([], $listTransformation->transform([]));
    }

    public function testApplyToOnEmptyArrayDoesNotFail(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());
        $result = $listTransformation->applyTo(new Ok([]));
        $this->assertFalse($result->isError());
    }

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

        $listTransformation = new ListTransformation(new StringTransformation());
        try {
            $result = $listTransformation->transform(null);
        } catch (UnexpectedValueException $exception) {
            return;
        }

        $this->fail();
    }

    public function testApplyToOnNullFails(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());
        $result = $listTransformation->applyTo(new Ok(null));
        $this->assertTrue($result->isError());
    }


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

        $listTransformation = new ListTransformation(new StringTransformation());

        try {
            $result = $listTransformation->transform(['hello', 2]);
        } catch (UnexpectedValueException $exception) {
            return;
        }

        $this->fail();
    }

    public function testListApplyIsValid(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());

        $result = $listTransformation->applyTo(new Ok(['hello', 'world']));

        $this->assertEquals(['hello', 'world'], $result->value());
        $this->assertTrue($result->isOK());
    }

    public function testListApplyIsInvalid(): void
    {
        $listTransformation = new ListTransformation(new StringTransformation());

        $result = $listTransformation->applyTo(new Ok(['hello', 2]));

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