FEDEO/backend/tests/datevExport.test.ts

import assert from "node:assert/strict";
import test from "node:test";
import { getCreatedDocumentRevenueLines } from "../src/utils/export/datev";

test("exports gross amounts for DATEV automatic revenue accounts", () => {
    const revenueLines = getCreatedDocumentRevenueLines({
        rows: [
            { mode: "position", quantity: 1, price: 100, discountPercent: 0, taxPercent: 19 },
            { mode: "position", quantity: 2, price: 50, discountPercent: 0, taxPercent: 7 },
            { mode: "position", quantity: 1, price: 50, discountPercent: 0, taxPercent: 0 },
        ],
    });

    assert.deepEqual(revenueLines, [
        { account: "8400", amount: 119 },
        { account: "8334", amount: 107 },
        { account: "8290", amount: 50 },
    ]);
});

test("preserves negative gross amounts for cancellations", () => {
    const revenueLines = getCreatedDocumentRevenueLines({
        rows: [
            { mode: "position", quantity: -1, price: 100, discountPercent: 0, taxPercent: 19 },
        ],
    });

    assert.deepEqual(revenueLines, [{ account: "8400", amount: -119 }]);
});