DictionaryTransformationTest.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\DictionaryTransformation;
use ILIAS\Refinery\To\Transformation\StringTransformation;
use ILIAS\Refinery\ConstraintViolationException;
use ILIAS\Tests\Refinery\TestCase;

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

class DictionaryTransformationTest extends TestCase
{
    public function testDictionaryTransformationValid()
    {
        $transformation = new DictionaryTransformation(new StringTransformation());

        $result = $transformation->transform(array('hello' => 'world'));

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

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

        $transformation = new DictionaryTransformation(new StringTransformation());

        try {
            $result = $transformation->transform(array('world'));
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        $transformation = new DictionaryTransformation(new StringTransformation());

        try {
            $result = $transformation->transform(array('hello' => 1));
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        $transformation = new DictionaryTransformation(new StringTransformation());

        try {
            $result = $transformation->transform(1);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

    public function testDictionaryApplyValid()
    {
        $transformation = new DictionaryTransformation(new StringTransformation());

        $result = $transformation->applyTo(new Ok(array('hello' => 'world')));

        $this->assertEquals(array('hello' => 'world'), $result->value());
    }

    public function testDictionaryApplyInvalidBecauseKeyIsNotAString()
    {
        $transformation = new DictionaryTransformation(new StringTransformation());

        $result = $transformation->applyTo(new Ok(array('world')));

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

    public function testDictionaryApplyInvalidBecauseValueIsNotAString()
    {
        $transformation = new DictionaryTransformation(new StringTransformation());

        $result = $transformation->applyTo(new Ok(array('hello' => 1)));

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

    public function testDictonaryNonArrayToTransformThrowsException()
    {
        $transformation = new DictionaryTransformation(new StringTransformation());

        $result = $transformation->applyTo(new Ok(1));

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