NewObjectTransformationTest.php

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<?php
/* Copyright (c) 1998-2019 ILIAS open source, Extended GPL, see docs/LICENSE */

namespace ILIAS\Tests\Refinery\To\Transformation;

use ILIAS\Data\Result\Ok;
use ILIAS\Refinery\To\Transformation\NewObjectTransformation;
use ILIAS\Tests\Refinery\TestCase;

require_once('./libs/composer/vendor/autoload.php');

class NewObjectTransformationTest extends TestCase
{
    public function testNewObjectTransformation()
    {
        $transformation = new NewObjectTransformation(MyClass::class);

        $object = $transformation->transform(array('hello', 42));

        $result = $object->myMethod();

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

    public function testNewObjectTransformationThrowsTypeErrorOnInvalidConstructorArguments()
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewObjectTransformation(MyClass::class);

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

        $this->fail();
    }

    public function testNewObjectApply()
    {
        $transformation = new NewObjectTransformation(MyClass::class);

        $resultObject = $transformation->applyTo(new Ok(array('hello', 42)));

        $object = $resultObject->value();

        $result = $object->myMethod();

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

    public function testNewObjectApplyResultsErrorObjectOnInvalidConstructorArguments()
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewObjectTransformation(MyClass::class);

        try {
            $resultObject = $transformation->applyTo(new Ok(array('hello', 'world')));
        } catch (\Error $error) {
            return;
        }

        $this->fail();
    }

    public function testExceptionInConstructorWillResultInErrorObject()
    {
        $transformation = new NewObjectTransformation(MyClassThrowsException::class);

        $resultObject = $transformation->applyTo(new Ok(array('hello', 100)));

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

    public function testExceptionInConstructorWillThrowException()
    {
        $this->expectNotToPerformAssertions();

        $transformation = new NewObjectTransformation(MyClassThrowsException::class);

        try {
            $resultObject = $transformation->transform(array('hello', 100));
        } catch (\Exception $exception) {
            return;
        }

        $this->fail();
    }
}

class MyClass
{
    private $string;

    private $integer;

    public function __construct(string $string, int $integer)
    {
        $this->string = $string;
        $this->integer = $integer;
    }

    public function myMethod()
    {
        return array($this->string, $this->integer);
    }
}

class MyClassThrowsException
{
    public function __construct(string $string, int $integer)
    {
        throw new \Exception();
    }
}