import { it as effectIt } from "@effect/vitest";import * as Cause from "effect/Cause";import * as Effect from "effect/Effect";import * as Exit from "effect/Exit";import * as FileSystem from "effect/FileSystem";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 Path from "effect/Path";import * as Schema from "effect/Schema";import type * as Scope from "effect/Scope";import { TestClock } from "effect/testing";import { beforeEach, describe, expect, it, vi } from "vite-plus/test"; import * as DesktopEnvironment from "../app/DesktopEnvironment.ts";import * as ElectronWindow from "../electron/ElectronWindow.ts";import * as BrowserSession from "./BrowserSession.ts";import * as PreviewManager from "./Manager.ts"; const { createFromPath, fromId, mkdir, showItemInFolder, webviewSend, writeFile, writeImage } =  vi.hoisted(() => ({    createFromPath: vi.fn((): { readonly isEmpty: () => boolean } => ({ isEmpty: () => false })),    fromId: vi.fn(() => null),    mkdir: vi.fn((_path: string) => undefined),    showItemInFolder: vi.fn(),    webviewSend: vi.fn(),    writeFile: vi.fn((_path: string, _data: Uint8Array) => undefined),    writeImage: vi.fn(),  })); vi.mock("electron", () => ({  clipboard: {    writeImage,  },  nativeImage: {    createFromPath,  },  shell: {    showItemInFolder,  },  session: {    fromPartition: vi.fn(),  },  webContents: {    fromId,  },})); const browserSessionLayer = Layer.succeed(  BrowserSession.BrowserSession,  BrowserSession.BrowserSession.of({    getPartition: () => Effect.succeed("persist:t3code-preview-test"),    isPartition: (partition) => partition.startsWith("persist:t3code-preview-"),    getSession: () => Effect.die("unexpected getSession"),    clearCookies: () => Effect.void,    clearCache: () => Effect.void,  }),); const environmentLayer = Layer.succeed(  DesktopEnvironment.DesktopEnvironment,  DesktopEnvironment.DesktopEnvironment.of({    browserArtifactsDir: "/tmp/t3/dev/browser-artifacts",  } as DesktopEnvironment.DesktopEnvironment["Service"]),); const fileSystemLayer = FileSystem.layerNoop({  makeDirectory: (path) =>    Effect.sync(() => {      mkdir(path);    }),  writeFile: (path, data) =>    Effect.sync(() => {      writeFile(path, data);    }),}); const layer = PreviewManager.layer.pipe(  Layer.provideMerge(browserSessionLayer),  Layer.provideMerge(environmentLayer),  Layer.provideMerge(fileSystemLayer),  Layer.provideMerge(Path.layer),);const encodePreviewManagerError = Schema.encodeSync(PreviewManager.PreviewManagerError); const withManager = <A>(  use: (    manager: PreviewManager.PreviewManager["Service"],  ) => Effect.Effect<A, PreviewManager.PreviewManagerError, Scope.Scope>,) =>  Effect.gen(function* () {    const manager = yield* PreviewManager.PreviewManager;    return yield* use(manager);  }).pipe(Effect.provide(layer), Effect.scoped); describe("PreviewManager", () => {  beforeEach(() => {    fromId.mockClear();    mkdir.mockClear();    writeFile.mockClear();    showItemInFolder.mockClear();    writeImage.mockClear();    createFromPath.mockClear();    webviewSend.mockClear();  });   effectIt.effect("reports an unregistered webview as temporarily unavailable", () =>    withManager((manager) =>      Effect.gen(function* () {        expect(yield* manager.automationStatus("tab_1")).toEqual({          available: false,          visible: true,          tabId: "tab_1",          url: null,          title: null,          loading: false,        });         yield* manager.createTab("tab_1");         expect(yield* manager.automationStatus("tab_1")).toEqual({          available: false,          visible: true,          tabId: "tab_1",          url: null,          title: null,          loading: false,        });        expect(fromId).not.toHaveBeenCalled();      }),    ),  );   effectIt.effect("isolates failed state listeners and continues delivery", () => {    const loggedErrors: Array<unknown> = [];    const logger = Logger.make(({ message }) => {      for (const value of Array.isArray(message) ? message : [message]) {        if (typeof value === "object" && value !== null && "cause" in value) {          loggedErrors.push(Cause.squash(value.cause as Cause.Cause<never>));        }      }    });    const deliveryError = new ElectronWindow.ElectronWindowOperationError({      operation: "send-window-message",      platform: "darwin",      windowId: 42,      channel: "preview:state-change",      cause: new Error("renderer unavailable"),    });    const delivered = vi.fn();     return withManager((manager) =>      Effect.gen(function* () {        yield* manager.subscribeStateChanges(() => Effect.die(deliveryError));        yield* manager.subscribeStateChanges((tabId, state) =>          Effect.sync(() => {            delivered(tabId, state);          }),        );         const state = yield* manager.createTab("tab_listener_failure");         expect(delivered).toHaveBeenCalledOnce();        expect(delivered).toHaveBeenCalledWith("tab_listener_failure", state);        expect(loggedErrors).toHaveLength(1);        expect(loggedErrors[0]).toBeInstanceOf(ElectronWindow.ElectronWindowOperationError);        expect(loggedErrors[0]).toMatchObject({          operation: "send-window-message",          windowId: 42,          channel: "preview:state-change",        });      }),    ).pipe(      Effect.provide(        Logger.layer([logger], {          mergeWithExisting: false,        }),      ),    );  });   effectIt.effect("does not swallow state listener interruption", () =>    withManager((manager) =>      Effect.gen(function* () {        const exit = yield* Effect.scoped(          Effect.gen(function* () {            yield* manager.subscribeStateChanges(() => Effect.interrupt);            return yield* Effect.exit(manager.createTab("tab_interrupted_listener"));          }),        );         expect(Exit.isFailure(exit)).toBe(true);        if (Exit.isFailure(exit)) {          expect(Cause.hasInterrupts(exit.cause)).toBe(true);        }      }),    ),  );   effectIt.effect("queues navigation until the webview registers", () =>    withManager((manager) =>      Effect.gen(function* () {        const loadURL = vi.fn(async () => undefined);        const listeners = new Map<string, (...args: never[]) => void>();        fromId.mockReturnValue({          id: 42,          isDestroyed: () => false,          getType: () => "webview",          getURL: () => "about:blank",          getTitle: () => "",          isLoading: () => false,          getZoomFactor: () => 1,          setZoomFactor: vi.fn(),          loadURL,          on: vi.fn((event: string, listener: (...args: never[]) => void) => {            listeners.set(event, listener);          }),          off: vi.fn(),          ipc: { on: vi.fn(), off: vi.fn() },          send: webviewSend,          navigationHistory: { canGoBack: () => false, canGoForward: () => false },          setWindowOpenHandler: vi.fn(),          debugger: {            isAttached: () => false,            attach: vi.fn(),            sendCommand: vi.fn(async () => undefined),            on: vi.fn(),            off: vi.fn(),          },        } as never);         yield* manager.navigate("tab_pending", "localhost:3200");         expect(yield* manager.automationStatus("tab_pending")).toEqual({          available: false,          visible: true,          tabId: "tab_pending",          url: "http://localhost:3200/",          title: "",          loading: true,        });         yield* manager.registerWebview("tab_pending", 42);        yield* Effect.yieldNow;         expect(loadURL).toHaveBeenCalledOnce();        expect(loadURL).toHaveBeenCalledWith("http://localhost:3200/");      }),    ),  );   effectIt.effect("captures a PNG screenshot into browser artifacts", () =>    withManager((manager) =>      Effect.gen(function* () {        const png = Buffer.from("preview-png");        const capturePage = vi.fn(async () => ({ toPNG: () => png }));        const listeners = new Map<string, (...args: never[]) => void>();        fromId.mockReturnValue({          id: 42,          isDestroyed: () => false,          getType: () => "webview",          getURL: () => "https://example.com:8443/path?query=value",          getTitle: () => "Example",          isLoading: () => false,          getZoomFactor: () => 1,          setZoomFactor: vi.fn(),          on: vi.fn((event: string, listener: (...args: never[]) => void) => {            listeners.set(event, listener);          }),          off: vi.fn(),          ipc: { on: vi.fn(), off: vi.fn() },          send: webviewSend,          navigationHistory: { canGoBack: () => false, canGoForward: () => false },          setWindowOpenHandler: vi.fn(),          debugger: {            isAttached: () => false,            attach: vi.fn(),            sendCommand: vi.fn(async () => undefined),            on: vi.fn(),            off: vi.fn(),          },          capturePage,        } as never);         yield* manager.createTab("tab_1");        yield* manager.registerWebview("tab_1", 42);         expect(webviewSend).toHaveBeenCalledWith(          "preview:annotation-theme",          expect.objectContaining({            colorScheme: "light",            primary: "oklch(0.488 0.217 264)",          }),        );         const artifact = yield* manager.captureScreenshot("tab_1");         expect(capturePage).toHaveBeenCalledOnce();        expect(mkdir).toHaveBeenCalledWith("/tmp/t3/dev/browser-artifacts");        expect(writeFile).toHaveBeenCalledWith(artifact.path, png);        expect(artifact).toMatchObject({          tabId: "tab_1",          mimeType: "image/png",          sizeBytes: png.byteLength,        });        expect(artifact.path).toMatch(          /\/browser-artifacts\/browser-screenshot-example-com-[^.]+\.png$/,        );         const captureCause = new Error("capture failed");        capturePage.mockRejectedValueOnce(captureCause);        const exit = yield* Effect.exit(manager.captureScreenshot("tab_1"));        expect(Exit.isFailure(exit)).toBe(true);        if (Exit.isSuccess(exit)) return;        const error = Option.getOrThrow(Cause.findErrorOption(exit.cause));        expect(error).toMatchObject({          _tag: "PreviewOperationError",          operation: "captureScreenshot.capturePage",          tabId: "tab_1",          webContentsId: 42,          cause: captureCause,        });      }),    ),  );   effectIt.effect("keeps element picking active during subframe navigation", () =>    withManager((manager) =>      Effect.gen(function* () {        const listeners = new Map<string, (...args: unknown[]) => void>();        fromId.mockReturnValue({          id: 42,          isDestroyed: () => false,          getType: () => "webview",          getURL: () => "https://example.com",          getTitle: () => "Example",          isLoading: () => false,          isFocused: () => true,          getZoomFactor: () => 1,          setZoomFactor: vi.fn(),          on: vi.fn((event: string, listener: (...args: unknown[]) => void) => {            listeners.set(event, listener);          }),          once: vi.fn((event: string, listener: (...args: unknown[]) => void) => {            listeners.set(event, listener);          }),          off: vi.fn(),          ipc: { on: vi.fn(), off: vi.fn(), removeListener: vi.fn() },          send: webviewSend,          navigationHistory: { canGoBack: () => false, canGoForward: () => false },          setWindowOpenHandler: vi.fn(),          debugger: {            isAttached: () => false,            attach: vi.fn(),            sendCommand: vi.fn(async () => undefined),            on: vi.fn(),            off: vi.fn(),          },        } as never);         yield* manager.createTab("tab_1");        yield* manager.registerWebview("tab_1", 42);        const pick = yield* manager.pickElement("tab_1").pipe(Effect.forkChild);        yield* Effect.yieldNow;         listeners.get("did-start-navigation")?.({}, "about:blank", false, false);        yield* Effect.yieldNow;        expect(pick.pollUnsafe()).toBeUndefined();         listeners.get("did-start-navigation")?.({}, "https://example.com/next", false, true);        expect(yield* Fiber.join(pick)).toBeNull();      }),    ),  );   effectIt.effect("reveals only files inside the configured browser artifact directory", () =>    withManager((manager) =>      Effect.gen(function* () {        yield* manager.revealArtifact("/tmp/t3/dev/browser-artifacts/browser-screenshot-test.png");         expect(showItemInFolder).toHaveBeenCalledWith(          "/tmp/t3/dev/browser-artifacts/browser-screenshot-test.png",        );        const exit = yield* Effect.exit(manager.revealArtifact("/tmp/t3/dev/settings.json"));        expect(Exit.isFailure(exit)).toBe(true);        if (Exit.isSuccess(exit)) return;        const error = Option.getOrThrow(Cause.findErrorOption(exit.cause));        expect(error).toMatchObject({          _tag: "PreviewArtifactPathOutsideDirectoryError",          artifactPath: "/tmp/t3/dev/settings.json",          artifactDirectory: "/tmp/t3/dev/browser-artifacts",        });        expect("cause" in error).toBe(false);      }),    ),  );   effectIt.effect("copies screenshot artifacts to the system clipboard", () =>    withManager((manager) =>      Effect.gen(function* () {        const artifactPath = "/tmp/t3/dev/browser-artifacts/browser-screenshot-test.png";         yield* manager.copyArtifactToClipboard(artifactPath);         expect(createFromPath).toHaveBeenCalledWith(artifactPath);        expect(writeImage).toHaveBeenCalledOnce();        const exit = yield* Effect.exit(          manager.copyArtifactToClipboard("/tmp/t3/dev/settings.json"),        );        expect(Exit.isFailure(exit)).toBe(true);        if (Exit.isSuccess(exit)) return;        const error = Option.getOrThrow(Cause.findErrorOption(exit.cause));        expect(error).toMatchObject({          _tag: "PreviewArtifactPathOutsideDirectoryError",          artifactPath: "/tmp/t3/dev/settings.json",          artifactDirectory: "/tmp/t3/dev/browser-artifacts",        });        expect("cause" in error).toBe(false);         createFromPath.mockReturnValueOnce({ isEmpty: () => true });        const invalidImageExit = yield* Effect.exit(manager.copyArtifactToClipboard(artifactPath));        expect(Exit.isFailure(invalidImageExit)).toBe(true);        if (Exit.isSuccess(invalidImageExit)) return;        expect(Option.getOrThrow(Cause.findErrorOption(invalidImageExit.cause))).toMatchObject({          _tag: "PreviewArtifactImageLoadError",          artifactPath,        });      }),    ),  );   effectIt.effect("emits the resolved pointer target before dispatching an automation click", () =>    withManager((manager) =>      Effect.gen(function* () {        let humanInput: ((_event: unknown, signal: unknown) => void) | undefined;        const activity: string[] = [];        const sendCommand = vi.fn(async (method: string, params?: Record<string, unknown>) => {          if (method === "Runtime.evaluate") {            return {              result: {                value: { width: 800, height: 600 },              },            };          }          if (method === "Input.dispatchMouseEvent" && params?.type === "mousePressed") {            activity.push("mousePressed");            humanInput?.({}, { kind: "pointer", x: params.x, y: params.y, button: 0 });          }          return undefined;        });        fromId.mockReturnValue({          id: 42,          isDestroyed: () => false,          getType: () => "webview",          getURL: () => "https://example.com",          getTitle: () => "Example",          isLoading: () => false,          isDevToolsOpened: () => false,          getZoomFactor: () => 1,          setZoomFactor: vi.fn(),          on: vi.fn(),          off: vi.fn(),          ipc: {            on: vi.fn((channel: string, listener: typeof humanInput) => {              if (channel === "preview:human-input") humanInput = listener;            }),            off: vi.fn(),          },          send: webviewSend,          navigationHistory: { canGoBack: () => false, canGoForward: () => false },          setWindowOpenHandler: vi.fn(),          debugger: {            isAttached: () => false,            attach: vi.fn(),            sendCommand,            on: vi.fn(),            off: vi.fn(),          },        } as never);         yield* manager.subscribePointerEvents((event) =>          Effect.sync(() => {            activity.push(event.phase);          }),        );        yield* manager.createTab("tab_1");        yield* manager.registerWebview("tab_1", 42);        const click = yield* manager          .automationClick("tab_1", { x: 120, y: 80 })          .pipe(Effect.forkChild({ startImmediately: true }));        yield* TestClock.adjust(200);        yield* Fiber.join(click);         expect(activity).toEqual(["move", "click", "mousePressed"]);        expect(sendCommand).toHaveBeenCalledWith("Input.dispatchMouseEvent", {          type: "mousePressed",          x: 120,          y: 80,          button: "left",

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