setUseSetGroups example

$group2->setId('g2');
        $group2->setPackagerKey('p2');
        $group2->setSorterKey('s2');
        $group2->setValue(2);

        $groups = new PromotionSetGroupCollection();
        $groups->add($group1);
        $groups->add($group2);

        $promotion = new PromotionEntity();
        $promotion->setId('p1');
        $promotion->setUseSetGroups(true);
        $promotion->setSetgroups($groups);

        $rule1 = new LineItemGroupRule();
        $rule1->assign(
            [
                'groupId' => $group1->getId(),
                'packagerKey' => $group1->getPackagerKey(),
                'value' => $group1->getValue(),
                'sorterKey' => $group1->getSorterKey(),
                'rules' => $group1->getSetGroupRules(),
            ]
        );

/** * @var MockObject&SalesChannelContext */
    private SalesChannelContext $salesChannelContext;

    protected function setUp(): void
    {
        $this->promotion = new PromotionEntity();
        $this->promotion->setId('PR-1');
        $this->promotion->setUseCodes(false);
        $this->promotion->setUseIndividualCodes(false);
        $this->promotion->setUseSetGroups(false);

        $this->salesChannelContext = $this->getMockBuilder(SalesChannelContext::class)->disableOriginalConstructor()->getMock();
        $context = $this->getMockBuilder(Context::class)->disableOriginalConstructor()->getMock();

        $this->salesChannelContext->method('getContext')->willReturn($context);
    }

    /** * This test verifies that we have the correct payload in our * discount line item. this is used to identify the promotion behind it. * It's also used as reference to individual codes that get marked as redeemed * in the event subscriber, when the order is created. * * @group promotions */

/** * @var MockObject&SalesChannelContext */
    private SalesChannelContext $salesChannelContext;

    protected function setUp(): void
    {
        $this->promotion = new PromotionEntity();
        $this->promotion->setId('PR-1');
        $this->promotion->setUseCodes(false);
        $this->promotion->setUseIndividualCodes(false);
        $this->promotion->setUseSetGroups(false);

        $this->salesChannelContext = $this->getMockBuilder(SalesChannelContext::class)->disableOriginalConstructor()->getMock();
        $context = $this->getMockBuilder(Context::class)->disableOriginalConstructor()->getMock();

        $this->salesChannelContext->method('getContext')->willReturn($context);
    }

    /** * This test verifies that the immutable LineItem Type from * the constructor is correctly used in the LineItem. * * @group promotions * * @throws CartException * @throws UnknownPromotionDiscountTypeException */