<?php
namespace Wbs24\Lib;

use Bitrix\Main\Loader;

class KitHelperTest extends BitrixTestCase
{
    public function test_getProductIdsToPrices()
    {
        // входные параметры
        $productIds = [1];

        // результат для проверки
        $expectedResult = [1 => 1000];

        // заглушки
        Loader::includeModule('iblock');

        $CIBlockResultStub = $this->createMock(\CIBlockResult::class);
        $fetchResults = [
            [
                'ID' => 1,
                'SCALED_PRICE_1' => 1000,
            ],
            false,
        ];
        $CIBlockResultStub->method('Fetch')
            ->will($this->onConsecutiveCalls(...$fetchResults));

        $CIBlockElementStub = $this->getMockBuilder(\stdClass::class)
            ->setMethods(['GetList'])
            ->getMock();
        $CIBlockElementStub->method('GetList')
            ->willReturn($CIBlockResultStub);

        // вычисление результата
        $object = new Kit\Helper([
            'CIBlockElement' => $CIBlockElementStub,
        ]);
        $result = $object->getProductIdsToPrices($productIds);

        // проверка
        $this->assertEquals($expectedResult, $result);
    }

    public function test_calcKitPrice()
    {
        // входные параметры
        $ownerId = 1;

        // результат для проверки
        $expectedResult = 5000;

        // заглушки
        Loader::includeModule('catalog');
        Loader::includeModule('iblock');

        // для getKitProductIdsToQuantity()
        $CIBlockResultStub = $this->createMock(\CIBlockResult::class);
        $fetchResults = [
            [
                'OWNER_ID' => 1,
                'ITEM_ID' => 11,
                'QUANTITY' => 5,
            ],
            false,
        ];
        $CIBlockResultStub->method('Fetch')
            ->will($this->onConsecutiveCalls(...$fetchResults));

        $CCatalogProductSetStub = $this->getMockBuilder(\stdClass::class)
            ->setMethods(['GetList'])
            ->getMock();
        $CCatalogProductSetStub->method('GetList')
            ->willReturn($CIBlockResultStub);

        // для getProductIdsToPrices()
        $CIBlockResultStub = $this->createMock(\CIBlockResult::class);
        $fetchResults = [
            [
                'ID' => 11,
                'SCALED_PRICE_1' => 1000,
            ],
            false,
        ];
        $CIBlockResultStub->method('Fetch')
            ->will($this->onConsecutiveCalls(...$fetchResults));

        $CIBlockElementStub = $this->getMockBuilder(\stdClass::class)
            ->setMethods(['GetList'])
            ->getMock();
        $CIBlockElementStub->method('GetList')
            ->willReturn($CIBlockResultStub);

        // доп. проверка
        $CIBlockElementStub->expects($this->once())
            ->method('GetList')
            ->with(
                $this->anything(),
                $this->equalTo(["ID" => [11]]),
                $this->anything(),
                $this->anything(),
                $this->anything()
            );

        // вычисление результата
        $object = new Kit\Helper([
            'CCatalogProductSet' => $CCatalogProductSetStub,
            'CIBlockElement' => $CIBlockElementStub,
        ]);
        $result = $object->calcKitPrice($ownerId);

        // проверка
        $this->assertEquals($expectedResult, $result);
    }
}