import { assert, it } from "@effect/vitest";import * as NodeServices from "@effect/platform-node/NodeServices";import { PullRequestOperationError } from "@t3tools/contracts";import * as Deferred from "effect/Deferred";import * as Effect from "effect/Effect";import * as Fiber from "effect/Fiber";import * as FileSystem from "effect/FileSystem";import * as Layer from "effect/Layer";import * as TestClock from "effect/testing/TestClock";import * as KeyValueStore from "effect/unstable/persistence/KeyValueStore";import * as Persistence from "effect/unstable/persistence/Persistence";import * as PullRequestReadCache from "./PullRequestReadCache.ts"; const cacheLayer = (directory: string) =>  PullRequestReadCache.make.pipe(    Effect.provide(      Persistence.layerKvs.pipe(Layer.provideMerge(KeyValueStore.layerFileSystem(directory))),    ),  ); it.layer(NodeServices.layer)("PR filesystem cache", (it) => {  it.effect("reuses files after restart and respects the original expiry", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const directory = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pr-cache-" });      let reads = 0;      const lookup = Effect.sync(() => String(++reads));      const first = yield* cacheLayer(directory);      const key = "long/repository/key".repeat(100);      assert.strictEqual(yield* first.get(key, lookup), "1");      yield* TestClock.adjust("59 seconds");      const restarted = yield* cacheLayer(directory);      assert.strictEqual(yield* restarted.get(key, lookup), "1");      yield* TestClock.adjust("1 second");      assert.strictEqual(yield* restarted.get(key, lookup), "2");      assert.strictEqual(reads, 2);      assert.strictEqual((yield* fs.readDirectory(directory)).length, 1);    }),  );   it.effect("clears in-flight reads before a new service can reuse them", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const directory = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pr-cache-" });      const started = yield* Deferred.make<void>();      const release = yield* Deferred.make<void>();      const cache = yield* cacheLayer(directory);      const read = yield* cache        .get(          "summary",          Deferred.succeed(started, undefined).pipe(            Effect.andThen(Deferred.await(release)),            Effect.as("old"),          ),        )        .pipe(Effect.forkChild);      yield* Deferred.await(started);      const invalidate = yield* cache.invalidate.pipe(Effect.forkChild({ startImmediately: true }));      yield* Deferred.succeed(release, undefined);      yield* Fiber.join(read);      yield* Fiber.join(invalidate);      const restarted = yield* cacheLayer(directory);      assert.strictEqual(yield* restarted.get("summary", Effect.succeed("new")), "new");    }),  );   it.effect("does not persist failed GitHub reads", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const directory = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pr-cache-" });      const cache = yield* cacheLayer(directory);      const error = new PullRequestOperationError({ operation: "summary", detail: "unavailable" });      yield* cache.get("summary", Effect.fail(error)).pipe(Effect.flip);      const restarted = yield* cacheLayer(directory);      assert.strictEqual(yield* restarted.get("summary", Effect.succeed("recovered")), "recovered");    }),  );});