StringTransformationTest.php

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

namespace ILIAS\Tests\Refinery\To\Transformation;

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

use ILIAS\Data\Result;
use ILIAS\Refinery\To\Transformation\StringTransformation;
use ILIAS\Refinery\ConstraintViolationException;
use ILIAS\Tests\Refinery\TestCase;

class StringTransformationTest extends TestCase
{
    private $transformation;

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

    public function testStringToStringTransformation()
    {
        $transformedValue = $this->transformation->transform('hello');

        $this->assertEquals('hello', $transformedValue);
    }

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

        try {
            $transformedValue = $this->transformation->transform(200);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        try {
            $transformedValue = $this->transformation->transform(-200);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->assertEquals('-200', $transformedValue);
    }

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

        try {
            $transformedValue = $this->transformation->transform(0);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        $this->expectNotToPerformAssertions();

        try {
            $transformedValue = $this->transformation->transform(10.5);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        try {
            $transformedValue = $this->transformation->transform(true);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

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

        try {
            $transformedValue = $this->transformation->transform(false);
        } catch (ConstraintViolationException $exception) {
            return;
        }

        $this->fail();
    }

    public function testStringToStringApply()
    {
        $resultObject = new Result\Ok('hello');

        $transformedObject = $this->transformation->applyTo($resultObject);

        $this->assertEquals('hello', $transformedObject->value());
    }

    public function testPositiveIntegerToIntegerApply()
    {
        $resultObject = new Result\Ok(200);

        $transformedObject = $this->transformation->applyTo($resultObject);

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

    public function testNegativeIntegerToIntegerApply()
    {
        $resultObject = new Result\Ok(-200);

        $transformedObject = $this->transformation->applyTo($resultObject);

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

    public function testZeroIntegerToIntegerApply()
    {
        $resultObject = new Result\Ok(0);

        $transformedObject = $this->transformation->applyTo($resultObject);

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

    public function testFloatToStringApply()
    {
        $resultObject = new Result\Ok(10.5);

        $transformedObject = $this->transformation->applyTo($resultObject);

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

    public function testBooleanToStringApply()
    {
        $resultObject = new Result\Ok(true);

        $transformedObject = $this->transformation->applyTo($resultObject);

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