<?php
/**
 * Copyright 2019 Kacper Donat
 *
 * @author Kacper "Kadet" Donat <kacper@kadet.net>
 *
 * Full license available in separate LICENSE file
 */

class PropertiesObject {
    private $getter;
    private $magic = [];
    public  $field = 'value';

    public function __construct($field, $getter, array $magic = [])
    {
        $this->field  = $field;
        $this->getter = $getter;
        $this->magic  = $magic;
    }

    public function getValue()
    {
        return $this->getter;
    }

    public function __get($name)
    {
        return $this->magic[$name];
    }

    public function __toString()
    {
        return __CLASS__;
    }
}

class ObjectTransformsTest extends \PHPUnit\Framework\TestCase
{
    use RandomDataTrait;

    /**
     * @dataProvider randomDataProvider
     */
    public function testFieldTransform($data = null)
    {
        $object = new PropertiesObject($data, null, []);
        $transform = \Kadet\Functional\Transforms\field('field');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testFieldTransformMagic($data = null)
    {
        $object = new PropertiesObject(false, false, ['magic' => $data]);
        $transform = \Kadet\Functional\Transforms\property('magic');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testPropertyTransformGetter($data = null)
    {
        $object = new PropertiesObject(false, $data, []);
        $transform = \Kadet\Functional\Transforms\property('value');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testGetterTransform($data = null)
    {
        $object = new PropertiesObject(false, $data, []);
        $transform = \Kadet\Functional\Transforms\getter('value');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testPropertyTransformField($data = null)
    {
        $object = new PropertiesObject($data, false, []);
        $transform = \Kadet\Functional\Transforms\property('field');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testPropertyTransformMagic($data = null)
    {
        $object = new PropertiesObject(false, false, ['magic' => $data]);
        $transform = \Kadet\Functional\Transforms\property('magic');

        $this->assertSame($transform($object), $data);
    }

    /**
     * @dataProvider randomDataProvider
     */
    public function testMethodTransform($data = null)
    {
        $object = new PropertiesObject(false, false);
        $transform = \Kadet\Functional\Transforms\method('__toString');

        $this->assertSame($transform($object), PropertiesObject::class);
    }
}