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1234567891011121314151617181920212223242526272829303132333435363738import { Effect } from "effect"import { TestClock } from "effect/testing"
// Defers on a real macrotask so pubsub delivery, fiber hops, and filesystem// work can complete between TestClock advances.const settle = Effect.promise(() => new Promise((resolve) => setTimeout(resolve, 1)))
// One advance step: let pending real work finish, then fire due TestClock timers.const tick = Effect.gen(function* () { yield* settle yield* TestClock.adjust("500 millis")})
/** * Drives every pending TestClock timer to completion: stream debounces register * their sleeps from separate fiber hops that a single adjust can miss, so the * loop alternates real-macrotask settles with adjusts until the condition * holds. Extra adjusts are harmless when nothing is pending. */export const advance = Effect.fnUntraced(function* (condition: () => boolean) { for (let attempt = 0; attempt < 100; attempt++) { if (condition()) return yield* tick } return yield* Effect.die(new Error("condition never became true after 100 advances"))})
/** * Advances far enough that any pending debounced work would have completed, * so a no-op assertion afterwards is meaningful. */export const drain = Effect.gen(function* () { for (let round = 0; round < 4; round++) { yield* tick } yield* settle})