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import { afterEach, assert, describe, expect, it } from "vitest";
import { migrations } from "./routines";
import { acquireLock, isDBLocked, refreshLock, releaseLock } from "./lock";
import { collections } from "$lib/server/database";
const LOCK_KEY = "migrations.test";
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(LOCK_KEY)));
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(LOCK_KEY);
});
it("should read the lock correctly", async () => {
const lockId = await acquireLock(LOCK_KEY);
assert(lockId);
expect(await isDBLocked(LOCK_KEY)).toBe(true);
expect(!!(await acquireLock(LOCK_KEY))).toBe(false);
await releaseLock(LOCK_KEY, lockId);
expect(await isDBLocked(LOCK_KEY)).toBe(false);
});
it("should refresh the lock", async () => {
const lockId = await acquireLock(LOCK_KEY);
assert(lockId);
// get the updatedAt time
const updatedAtInitially = (await collections.semaphores.findOne({}))?.updatedAt;
await refreshLock(LOCK_KEY, lockId);
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({});
});
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