import { assert, describe, it } from "@effect/vitest";import * as NodeServices from "@effect/platform-node/NodeServices";import type { DesktopUpdateState } from "@t3tools/contracts";import * as Cause from "effect/Cause";import * as Deferred from "effect/Deferred";import * as Duration from "effect/Duration";import * as Effect from "effect/Effect";import * as Fiber from "effect/Fiber";import * as Layer from "effect/Layer";import * as Logger from "effect/Logger";import * as Option from "effect/Option";import * as References from "effect/References";import * as Ref from "effect/Ref";import * as TestClock from "effect/testing/TestClock"; import * as DesktopBackendPool from "../backend/DesktopBackendPool.ts";import * as DesktopConfig from "../app/DesktopConfig.ts";import * as DesktopEnvironment from "../app/DesktopEnvironment.ts";import * as ElectronUpdater from "../electron/ElectronUpdater.ts";import * as ElectronWindow from "../electron/ElectronWindow.ts";import * as DesktopAppSettings from "../settings/DesktopAppSettings.ts";import * as DesktopState from "../app/DesktopState.ts";import * as DesktopUpdates from "./DesktopUpdates.ts"; interface UpdatesHarnessOptions {  readonly checkForUpdates?: Effect.Effect<    void,    ElectronUpdater.ElectronUpdaterCheckForUpdatesError  >;  readonly setUpdateChannelError?: DesktopAppSettings.DesktopSettingsWriteError;  readonly setDisableDifferentialDownload?: Effect.Effect<void>;  readonly stopBackend?: Effect.Effect<void>;  readonly env?: Record<string, string | undefined>;} const flushCallbacks = Effect.yieldNow; function makeHarness(options: UpdatesHarnessOptions = {}) {  let checkCount = 0;  let allowDowngrade = false;  let fullChangelog = false;  const feedUrls: ElectronUpdater.ElectronUpdaterFeedUrl[] = [];  const listeners = new Map<string, Set<(...args: readonly unknown[]) => void>>();  const sentStates: DesktopUpdateState[] = [];   const addListener = (eventName: string, listener: (...args: readonly unknown[]) => void) => {    const eventListeners = listeners.get(eventName) ?? new Set();    eventListeners.add(listener);    listeners.set(eventName, eventListeners);  };   const removeListener = (eventName: string, listener: (...args: readonly unknown[]) => void) => {    const eventListeners = listeners.get(eventName);    if (!eventListeners) {      return;    }    eventListeners.delete(listener);    if (eventListeners.size === 0) {      listeners.delete(eventName);    }  };   const updaterLayer = Layer.succeed(ElectronUpdater.ElectronUpdater, {    setFeedURL: (options) =>      Effect.sync(() => {        feedUrls.push(options);      }),    setAutoDownload: () => Effect.void,    setAutoInstallOnAppQuit: () => Effect.void,    setChannel: () => Effect.void,    setAllowPrerelease: () => Effect.void,    allowDowngrade: Effect.sync(() => allowDowngrade),    setAllowDowngrade: (value) =>      Effect.sync(() => {        allowDowngrade = value;      }),    setFullChangelog: (value) =>      Effect.sync(() => {        fullChangelog = value;      }),    setDisableDifferentialDownload: () => options.setDisableDifferentialDownload ?? Effect.void,    checkForUpdates: Effect.sync(() => {      checkCount += 1;    }).pipe(Effect.andThen(options.checkForUpdates ?? Effect.void)),    downloadUpdate: Effect.void,    quitAndInstall: () => Effect.void,    on: (eventName, listener) =>      Effect.acquireRelease(        Effect.sync(() => {          addListener(eventName, listener as unknown as (...args: readonly unknown[]) => void);        }),        () =>          Effect.sync(() => {            removeListener(eventName, listener as unknown as (...args: readonly unknown[]) => void);          }),      ).pipe(Effect.asVoid),  } satisfies ElectronUpdater.ElectronUpdater["Service"]);   const windowLayer = Layer.succeed(ElectronWindow.ElectronWindow, {    create: () => Effect.die("unexpected BrowserWindow creation"),    main: Effect.succeed(Option.none()),    currentMainOrFirst: Effect.succeed(Option.none()),    focusedMainOrFirst: Effect.succeed(Option.none()),    setMain: () => Effect.void,    clearMain: () => Effect.void,    reveal: () => Effect.void,    sendAll: (_channel, state) =>      Effect.sync(() => {        sentStates.push(state as DesktopUpdateState);      }),    destroyAll: Effect.void,    syncAllAppearance: () => Effect.void,  } satisfies ElectronWindow.ElectronWindow["Service"]);   const stubBackendInstance: DesktopBackendPool.DesktopBackendInstance = {    id: DesktopBackendPool.PRIMARY_INSTANCE_ID,    label: Effect.succeed("Windows"),    start: Effect.void,    stop: () => options.stopBackend ?? Effect.void,    currentConfig: Effect.succeed(Option.none()),    snapshot: Effect.succeed({      desiredRunning: false,      ready: false,      activePid: Option.none(),      restartAttempt: 0,      restartScheduled: false,    }),    waitForReady: () => Effect.succeed(true),  };  const backendLayer = DesktopBackendPool.layerTest([stubBackendInstance]);   const environmentLayer = DesktopEnvironment.layer({    dirname: "/repo/apps/desktop/src",    homeDirectory: `/tmp/t3-desktop-updates-home-${process.pid}`,    platform: "darwin",    processArch: "x64",    appVersion: "1.2.3",    appPath: "/repo",    isPackaged: true,    resourcesPath: "/missing/resources",    runningUnderArm64Translation: false,  }).pipe(    Layer.provide(      Layer.mergeAll(        NodeServices.layer,        DesktopConfig.layerTest({          T3CODE_HOME: `/tmp/t3-desktop-updates-test-${process.pid}`,          T3CODE_DESKTOP_MOCK_UPDATES: "true",          T3CODE_DESKTOP_MOCK_UPDATE_SERVER_PORT: "4141",          ...options.env,        }),      ),    ),  );   const setUpdateChannelError = options.setUpdateChannelError;  const settingsLayer = setUpdateChannelError    ? Layer.succeed(DesktopAppSettings.DesktopAppSettings, {        get: Effect.succeed(DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS),        load: Effect.succeed(DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS),        setMainWindowBounds: () => Effect.die("unexpected main window bounds update"),        setServerExposureMode: () => Effect.die("unexpected server exposure update"),        setTailscaleServe: () => Effect.die("unexpected Tailscale Serve update"),        setUpdateChannel: () => Effect.fail(setUpdateChannelError),        setWslBackendEnabled: () => Effect.die("unexpected WSL backend toggle"),        setWslDistro: () => Effect.die("unexpected WSL distro change"),        setWslOnly: () => Effect.die("unexpected WSL-only toggle"),        applyWslWindowsFallback: Effect.die("unexpected WSL Windows fallback"),        applyWslWindowsFallbackInMemory: Effect.die("unexpected WSL Windows fallback"),      } satisfies DesktopAppSettings.DesktopAppSettings["Service"])    : DesktopAppSettings.layer;   const layer = DesktopUpdates.layer.pipe(    Layer.provideMerge(updaterLayer),    Layer.provideMerge(windowLayer),    Layer.provideMerge(backendLayer),    Layer.provideMerge(DesktopState.layer),    Layer.provideMerge(settingsLayer),    Layer.provideMerge(      DesktopConfig.layerTest({        T3CODE_HOME: `/tmp/t3-desktop-updates-test-${process.pid}`,        T3CODE_DESKTOP_MOCK_UPDATES: "true",        T3CODE_DESKTOP_MOCK_UPDATE_SERVER_PORT: "4141",        ...options.env,      }),    ),    Layer.provideMerge(environmentLayer),    Layer.provideMerge(NodeServices.layer),  );   return {    layer,    checkCount: () => checkCount,    feedUrls: () => feedUrls,    fullChangelog: () => fullChangelog,    listenerCount: () =>      Array.from(listeners.values()).reduce(        (total, eventListeners) => total + eventListeners.size,        0,      ),    sentStates,    emit: (eventName: string, payload?: unknown) => {      for (const listener of listeners.get(eventName) ?? []) {        listener(payload);      }    },  };} describe("DesktopUpdates", () => {  it("preserves complete causes for update poller and event failures", () => {    const cause = Cause.combine(      Cause.fail(new Error("updater failed")),      Cause.die(new Error("updater defect")),    );    const pollerError = new DesktopUpdates.DesktopUpdatePollerError({      poller: "startup",      cause,    });    const eventError = new DesktopUpdates.DesktopUpdateEventHandlingError({      event: "download-progress",      cause,    });    const reportedError = new DesktopUpdates.DesktopUpdaterReportedError({      operation: "download",      cause,    });    const unexpectedActionError = new DesktopUpdates.DesktopUpdateUnexpectedActionError({      action: "install",      cause,    });     assert.strictEqual(pollerError.cause, cause);    assert.equal(pollerError.poller, "startup");    assert.equal(pollerError.message, "Desktop update startup poller failed.");    assert.strictEqual(eventError.cause, cause);    assert.equal(eventError.event, "download-progress");    assert.equal(eventError.message, "Failed to handle desktop update download-progress event.");    assert.strictEqual(reportedError.cause, cause);    assert.equal(reportedError.operation, "download");    assert.equal(reportedError.message, "Desktop updater download operation reported an error.");    assert.strictEqual(unexpectedActionError.cause, cause);    assert.equal(unexpectedActionError.action, "install");    assert.equal(      unexpectedActionError.message,      "Desktop update install action failed unexpectedly.",    );  });   it.effect("configures the updater and runs startup checks on the test clock", () => {    const harness = makeHarness();     return Effect.gen(function* () {      yield* Effect.scoped(        Effect.gen(function* () {          const updates = yield* DesktopUpdates.DesktopUpdates;          yield* updates.configure;           const state = yield* updates.getState;          assert.equal(state.enabled, true);          assert.equal(state.status, "idle");          assert.deepEqual(harness.feedUrls(), [            { provider: "generic", url: "http://localhost:4141" },          ]);          assert.equal(harness.listenerCount(), 6);          assert.equal(harness.checkCount(), 0);           yield* TestClock.adjust(Duration.millis(15_000));          assert.equal(harness.checkCount(), 1);        }),      );       assert.equal(harness.listenerCount(), 0);    }).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("updates and broadcasts state from updater events", () => {    const harness = makeHarness();     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         harness.emit("update-available", { version: "1.2.4" });        yield* flushCallbacks;         const state = yield* updates.getState;        assert.equal(state.status, "available");        assert.equal(state.availableVersion, "1.2.4");        assert.isNotNull(state.checkedAt);        assert.equal(harness.sentStates.at(-1)?.status, "available");      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("enables nightly full changelog release notes and broadcasts summaries", () => {    const harness = makeHarness();     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         yield* updates.setChannel("nightly");        assert.equal(harness.fullChangelog(), true);         harness.emit("update-available", {          version: "1.2.4-nightly.20260709.766",          releaseNotes: [            {              version: "1.2.4-nightly.20260709.766",              note: `<h2>What's Changed</h2><ul><li>feat(client): persist offline environment data by <a>@juliusmarminge</a> in <a>#3795</a></li></ul><h2>Full Changelog</h2>`,            },            {              version: "1.2.4-nightly.20260709.765",              note: "- [codex] Upgrade Clerk stack by @juliusmarminge in #3821",            },          ],        });        yield* flushCallbacks;         const state = yield* updates.getState;        assert.equal(state.status, "available");        assert.deepEqual(state.releaseNotes, [          {            version: "1.2.4-nightly.20260709.766",            items: ["feat(client): persist offline environment data by @juliusmarminge in #3795"],          },          {            version: "1.2.4-nightly.20260709.765",            items: ["[codex] Upgrade Clerk stack by @juliusmarminge in #3821"],          },        ]);        assert.deepEqual(harness.sentStates.at(-1)?.releaseNotes, state.releaseNotes);      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("keeps raw updater event failures out of update state", () => {    const harness = makeHarness();    const cause = new Error(      "request failed for https://user:secret@example.com/update?token=secret",    );     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         harness.emit("error", cause);        yield* flushCallbacks;         const state = yield* updates.getState;        assert.equal(state.status, "error");        assert.equal(state.message, "Desktop updater background operation reported an error.");        assert.notInclude(state.message ?? "", "secret");      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("logs bounded updater failure context without exposing the cause", () => {    const cause = new Error(      "request failed for https://user:secret@example.com/update?token=secret",    );    const updaterError = new ElectronUpdater.ElectronUpdaterCheckForUpdatesError({      channel: null,      cause,    });    const harness = makeHarness({ checkForUpdates: Effect.fail(updaterError) });    const loggedAnnotations: Array<Record<string, unknown>> = [];    const logger = Logger.make(({ fiber }) => {      const annotations = fiber.getRef(References.CurrentLogAnnotations);      if (annotations.errorTag === "ElectronUpdaterCheckForUpdatesError") {        loggedAnnotations.push(annotations);      }    });     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         yield* updates.check("manual");         const state = yield* updates.getState;        const loggedAnnotation = loggedAnnotations.at(-1);        assert.isDefined(loggedAnnotation);        assert.equal(loggedAnnotation.errorTag, "ElectronUpdaterCheckForUpdatesError");        assert.isNull(loggedAnnotation.channel);        assert.notProperty(loggedAnnotation, "error");        assert.notInclude(Object.values(loggedAnnotation).map(String).join(" "), "secret");        assert.equal(          state.message,          "Electron updater failed to check for updates on channel default.",        );        assert.notInclude(state.message ?? "", "secret");      }),    ).pipe(      Effect.provide(        Layer.mergeAll(          TestClock.layer(),          harness.layer,          Logger.layer([logger], { mergeWithExisting: false }),        ),      ),    );  });   it.effect("recovers download state after an unexpected setup failure", () => {    let disableDifferentialCalls = 0;    const harness = makeHarness({      setDisableDifferentialDownload: Effect.suspend(() => {        disableDifferentialCalls += 1;        return disableDifferentialCalls === 1          ? Effect.void          : Effect.die(new Error("download setup failed"));      }),    });     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;        harness.emit("update-available", { version: "1.2.4" });        yield* flushCallbacks;         const result = yield* updates.download;        assert.isTrue(result.accepted);        assert.isFalse(result.completed);         const failedState = yield* updates.getState;        assert.equal(failedState.status, "available");        assert.equal(failedState.errorContext, "download");        assert.equal(failedState.message, "Desktop update download action failed unexpectedly.");         const changedState = yield* updates.setChannel("nightly");        assert.equal(changedState.channel, "nightly");      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("restores download state and permits retry after interruption", () =>    Effect.gen(function* () {      const actionStarted = yield* Deferred.make<void>();      let disableDifferentialCalls = 0;      const harness = makeHarness({        setDisableDifferentialDownload: Effect.suspend(() => {          disableDifferentialCalls += 1;          if (disableDifferentialCalls === 1) {            return Effect.void;          }          if (disableDifferentialCalls === 2) {            return Deferred.succeed(actionStarted, undefined).pipe(Effect.andThen(Effect.never));          }          return Effect.void;        }),      });       yield* Effect.scoped(        Effect.gen(function* () {          const updates = yield* DesktopUpdates.DesktopUpdates;          yield* updates.configure;          harness.emit("update-available", { version: "1.2.4" });          yield* flushCallbacks;           const downloadFiber = yield* updates.download.pipe(Effect.forkScoped);          yield* Deferred.await(actionStarted);          yield* Fiber.interrupt(downloadFiber);           const interruptedState = yield* updates.getState;          assert.equal(interruptedState.status, "available");          assert.isNull(interruptedState.message);           const retry = yield* updates.download;          assert.isTrue(retry.accepted);          assert.isTrue(retry.completed);        }),      ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));    }),  );   it.effect("clears quitting state after an unexpected install setup failure", () => {    const harness = makeHarness({      stopBackend: Effect.die(new Error("backend stop failed")),    });     return Effect.scoped(      Effect.gen(function* () {        const desktopState = yield* DesktopState.DesktopState;        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;        harness.emit("update-downloaded", { version: "1.2.4" });        yield* flushCallbacks;         const result = yield* updates.install;        assert.isTrue(result.accepted);        assert.isFalse(result.completed);        assert.isFalse(yield* Ref.get(desktopState.quitting)); 

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