FEDEO/backend/tests/numberRangeAvailability.test.ts

import assert from "node:assert/strict"
import test from "node:test"

import { useNextNumberRangeNumber } from "../src/utils/functions"

test("number range skips identifiers that are already in use", async () => {
    const tenant = {
        id: 7,
        numberRanges: {
            customerinventoryitems: {
                prefix: "KIA-",
                suffix: "",
                nextNumber: 1000,
            },
        },
    }
    let savedNumberRanges: any = null

    const tx = {
        execute: async () => undefined,
        select: () => ({
            from: () => ({
                where: async () => [tenant],
            }),
        }),
        update: () => ({
            set: (data: any) => ({
                where: async () => {
                    savedNumberRanges = data.numberRanges
                },
            }),
        }),
    }
    const server = {
        db: {
            transaction: async (callback: (transaction: typeof tx) => Promise<any>) => callback(tx),
        },
    } as any
    const occupied = new Set(["KIA-1000", "KIA-1001"])

    const result = await useNextNumberRangeNumber(
        server,
        tenant.id,
        "customerinventoryitems",
        async (candidate) => !occupied.has(candidate)
    )

    assert.equal(result.usedNumber, "KIA-1002")
    assert.equal(savedNumberRanges.customerinventoryitems.nextNumber, 1003)
})