| 1 | import * as Effect from "effect/Effect"; |
| 2 | import * as Semaphore from "effect/Semaphore"; |
| 3 | |
| 4 | // GuardDuty permits one detector per account and Region. The lifecycle, |
| 5 | // detector-resource, and bindings files all create that singleton while |
| 6 | // alchemy-test executes files concurrently in one process. Hold this lease |
| 7 | // from each file's root beforeAll through its root afterAll so detector |
| 8 | // observation, fixture setup, and cleanup cannot overlap across the files. |
| 9 | const guardDutyTestLock = Semaphore.makeUnsafe(1); |
| 10 | |
| 11 | export const makeGuardDutyTestLease = () => { |
| 12 | let held = false; |
| 13 | |
| 14 | return { |
| 15 | acquire: Effect.uninterruptibleMask((restore) => |
| 16 | restore(guardDutyTestLock.take(1)).pipe( |
| 17 | Effect.tap(() => |
| 18 | Effect.sync(() => { |
| 19 | held = true; |
| 20 | }), |
| 21 | ), |
| 22 | Effect.asVoid, |
| 23 | ), |
| 24 | ), |
| 25 | release: Effect.suspend(() => { |
| 26 | if (!held) return Effect.void; |
| 27 | held = false; |
| 28 | return guardDutyTestLock.release(1).pipe(Effect.asVoid); |
| 29 | }), |
| 30 | }; |
| 31 | }; |