AmountCalculator example

class TaxAdjustmentTest extends TestCase
{
    private IdsCollection $ids;

    private TaxAdjustment $adjustment;

    protected function setUp(): void
    {
        $this->ids = new IdsCollection();

        $this->adjustment = new TaxAdjustment(
            new AmountCalculator(
                new CashRounding(),
                new PercentageTaxRuleBuilder(),
                new TaxAdjustmentCalculator()
            ),
            new CashRounding()
        );
    }

    public function testItThrowsOnEmptyLineItemPrice(): void
    {
        $struct = new TaxProviderResult(
            [

public function testCalculateAmountWithGrossPrices(CartPrice $expected, PriceCollection $prices): void
    {
        $salesChannelContext = $this->createMock(SalesChannelContext::class);
        $salesChannelContext->method('getSalesChannel')->willReturn(new SalesChannelEntity());

        $salesChannelContext->method('getContext')->willReturn(Context::createDefaultContext());
        $salesChannelContext->method('getTaxCalculationType')->willReturn(SalesChannelDefinition::CALCULATION_TYPE_HORIZONTAL);
        $salesChannelContext->method('getItemRounding')->willReturn(new CashRoundingConfig(2, 0.01, true));
        $salesChannelContext->method('getTotalRounding')->willReturn(new CashRoundingConfig(2, 0.01, true));
        $salesChannelContext->method('getTaxState')->willReturn(CartPrice::TAX_STATE_GROSS);

        $calculator = new AmountCalculator(
            new CashRounding(),
            new PercentageTaxRuleBuilder(),
            new TaxCalculator()
        );

        $cartPrice = $calculator->calculate($prices, new PriceCollection(), $salesChannelContext);
        static::assertEquals($expected, $cartPrice);
    }

    /** * @dataProvider calculateAmountWithNetPricesProvider */

class TaxProviderProcessorTest extends TestCase
{
    private IdsCollection $ids;

    private TaxAdjustment $adjustment;

    protected function setUp(): void
    {
        $this->ids = new IdsCollection();
        $this->adjustment = new TaxAdjustment(
            new AmountCalculator(
                new CashRounding(),
                new PercentageTaxRuleBuilder(),
                new TaxAdjustmentCalculator()
            ),
            new CashRounding()
        );
    }

    public function testProcess(): void
    {
        $cart = $this->createCart();