createLineItemWithCategories example

 void {
        $lineItemRule = new LineItemInCategoryRule();
        $lineItemRule->assign([
            'categoryIds' => $categoryIds,
            'operator' => $operator,
        ]);

        $allLineItemsRule = new MatchAllLineItemsRule();
        $allLineItemsRule->addRule($lineItemRule);

        $lineItemCollection = new LineItemCollection([
            $this->createLineItemWithCategories($categoryIdsProductA),
            $this->createLineItemWithCategories($categoryIdsProductB),
        ]);

        $cart = $this->createCart($lineItemCollection);

        $match = $allLineItemsRule->match(new CartRuleScope(
            $cart,
            $this->createMock(SalesChannelContext::class)
        ));

        static::assertSame($expected, $match);
    }

array $categoryIds,
        string $operator,
        array $lineItemCategoryIds,
        bool $expected
    ): void {
        $this->rule->assign([
            'categoryIds' => $categoryIds,
            'operator' => $operator,
        ]);

        $match = $this->rule->match(new LineItemScope(
            $this->createLineItemWithCategories($lineItemCategoryIds),
            $this->createMock(SalesChannelContext::class)
        ));

        static::assertSame($expected, $match);
    }

    public static function getLineItemScopeTestData(): \Generator
    {
        yield 'single product / equal / match category id' => [['1', '2'], Rule::OPERATOR_EQ, ['1'], true];
        yield 'single product / equal / no match' => [['1', '2'], Rule::OPERATOR_EQ, ['3'], false];
        yield 'single product / not equal / match category id' => [['1', '2'], Rule::OPERATOR_NEQ, ['3'], true];