import { afterEach, describe, expect, it } from "vitest"; import { migrations } from "./routines"; import { acquireLock, isDBLocked, refreshLock, releaseLock } from "./lock"; import { collections } from "$lib/server/database"; describe("migrations", () => { it("should not have duplicates guid", async () => { const guids = migrations.map((m) => m._id.toString()); const uniqueGuids = [...new Set(guids)]; expect(uniqueGuids.length).toBe(guids.length); }); it("should acquire only one lock on DB", async () => { const results = await Promise.all(new Array(1000).fill(0).map(() => acquireLock())); const locks = results.filter((r) => r); const semaphores = await collections.semaphores.find({}).toArray(); expect(locks.length).toBe(1); expect(semaphores).toBeDefined(); expect(semaphores.length).toBe(1); expect(semaphores?.[0].key).toBe("migrations"); }); it("should read the lock correctly", async () => { expect(await acquireLock()).toBe(true); expect(await isDBLocked()).toBe(true); expect(await acquireLock()).toBe(false); await releaseLock(); expect(await isDBLocked()).toBe(false); }); it("should refresh the lock", async () => { await acquireLock(); // get the updatedAt time const updatedAtInitially = (await collections.semaphores.findOne({}))?.updatedAt; await refreshLock(); const updatedAtAfterRefresh = (await collections.semaphores.findOne({}))?.updatedAt; expect(updatedAtInitially).toBeDefined(); expect(updatedAtAfterRefresh).toBeDefined(); expect(updatedAtInitially).not.toBe(updatedAtAfterRefresh); }); }); afterEach(async () => { await collections.semaphores.deleteMany({}); await collections.migrationResults.deleteMany({}); });