evOo-local/apps/web/e2e/in-app-browser.spec.ts

import { expect, test } from "@playwright/test";
import { captureScreenshot, completeOnboarding, signup } from "./helpers";

test("the in-app browser previews a page and follows it back to the browser", async ({
  page,
}, testInfo) => {
  await signup(page, `in-app-browser-${Date.now()}@rakazo.test`, "password12", "Previewer");
  await completeOnboarding(page);
  // Context-wide so the "Open in browser" tab is served too.
  await page.context().route("https://preview.example/**", (route) =>
    route.fulfill({
      contentType: "text/html",
      body: `<!doctype html><title>Preview</title><body style="font:16px system-ui;padding:24px">
        <h1>Live preview</h1><p>Rendered inside the app.</p>`,
    }),
  );

  await page.getByRole("button", { name: "Browser" }).click();
  const browser = page.getByTestId("in-app-browser");
  await browser.getByTestId("in-app-browser-mode-local").click();
  const address = browser.getByRole("textbox", { name: "Address" });
  await expect(address).toBeFocused();

  await address.fill("not an address");
  await address.press("Enter");
  await expect(address).toHaveAttribute("aria-invalid", "true");

  await address.fill("preview.example/app");
  await address.press("Enter");
  await expect(address).toHaveValue("https://preview.example/app");
  const frame = browser.getByTestId("in-app-browser-frame");
  await expect(frame).toHaveAttribute("src", "https://preview.example/app");
  await expect(
    page.frameLocator('[data-testid="in-app-browser-frame"]').getByRole("heading"),
  ).toHaveText("Live preview");
  await captureScreenshot(page, testInfo, "in-app-browser");

  const popup = page.waitForEvent("popup");
  await browser.getByRole("button", { name: "Open in browser" }).click();
  expect((await popup).url()).toBe("https://preview.example/app");

  await browser.getByRole("button", { name: "Close panel" }).click();
  await expect(browser).toHaveCount(0);
  // The last address comes back when the browser reopens.
  await page.getByRole("button", { name: "Browser" }).click();
  await page.getByTestId("in-app-browser-mode-local").click();
  await expect(page.getByTestId("in-app-browser-frame")).toHaveAttribute(
    "src",
    "https://preview.example/app",
  );
});

test("on desktop the page is a native view glued to the panel", async ({ page }) => {
  await page.addInitScript(() => {
    const calls: Array<[string, unknown?]> = [];
    let listener: ((state: unknown) => void) | undefined;
    let state = {
      url: "",
      title: "",
      loading: false,
      canGoBack: false,
      canGoForward: false,
      error: null as string | null,
    };
    const record = (name: string) => async (value?: unknown) => {
      calls.push([name, value]);
    };
    Object.assign(window, { __browserCalls: calls });
    Object.defineProperty(window, "rakazoDesktop", {
      value: {
        platform: "linux",
        window: {
          close: async () => {},
          minimize: async () => {},
          toggleMaximize: async () => {},
          state: async () => ({ minimized: false, maximized: false, fullScreen: false }),
        },
        oauth: { onCallback: () => () => {} },
        update: {
          state: async () => ({ phase: "unsupported", currentVersion: "0.0.0" }),
          check: async () => ({ phase: "unsupported", currentVersion: "0.0.0" }),
          download: async () => ({ phase: "unsupported", currentVersion: "0.0.0" }),
          install: async () => ({ phase: "unsupported", currentVersion: "0.0.0" }),
        },
        browserPreview: {
          state: async () => state,
          onState: (next: (value: unknown) => void) => {
            listener = next;
            return () => {
              listener = undefined;
            };
          },
          navigate: async (url: string) => {
            calls.push(["navigate", url]);
            state = { ...state, url, title: "Dev server", loading: false, canGoBack: true };
            listener?.(state);
          },
          show: record("show"),
          hide: record("hide"),
          back: record("back"),
          forward: record("forward"),
          reload: record("reload"),
          stop: record("stop"),
          openDevTools: record("openDevTools"),
        },
      },
    });
  });
  await signup(page, `native-browser-${Date.now()}@rakazo.test`, "password12", "Desktop");
  await completeOnboarding(page);
  const calls = () =>
    page.evaluate(
      () => (window as unknown as { __browserCalls: Array<[string, unknown?]> }).__browserCalls,
    );

  await page.getByRole("button", { name: "Browser" }).click();
  const browser = page.getByTestId("in-app-browser");
  await browser.getByTestId("in-app-browser-mode-local").click();
  await browser.getByRole("textbox", { name: "Address" }).fill("localhost:5173");
  await browser.getByRole("textbox", { name: "Address" }).press("Enter");
  await expect.poll(calls).toContainEqual(["navigate", "http://localhost:5173/"]);
  await expect(browser.getByRole("button", { name: "Back" })).toBeEnabled();
  await expect(browser.getByRole("button", { name: "Forward" })).toBeDisabled();
  await expect(browser.getByTestId("in-app-browser-frame")).toHaveCount(0);

  // The reserved page area and the native view's bounds stay identical.
  const viewport = browser.getByTestId("in-app-browser-viewport");
  await expect
    .poll(async () => {
      const box = (await viewport.boundingBox())!;
      const shown = (await calls()).filter(([name]) => name === "show").at(-1)?.[1];
      return (
        JSON.stringify(shown) ===
        JSON.stringify({
          x: Math.round(box.x),
          y: Math.round(box.y),
          width: Math.round(box.width),
          height: Math.round(box.height),
        })
      );
    })
    .toBe(true);

  await browser.getByRole("button", { name: "Back" }).click();
  await browser.getByRole("button", { name: "Reload" }).click();
  await browser.getByRole("button", { name: "Developer tools" }).click();
  await expect
    .poll(async () => (await calls()).map(([name]) => name))
    .toEqual(expect.arrayContaining(["back", "reload", "openDevTools"]));

  // App menus float above the page, so the native view steps aside while one is open.
  const before = (await calls()).length;
  await page.getByTestId("create-menu-trigger").click();
  await expect
    .poll(async () => (await calls()).slice(before).map(([name]) => name))
    .toContain("hide");
  await page.keyboard.press("Escape");
  await expect.poll(async () => (await calls()).at(-1)?.[0]).toBe("show");

  await browser.getByRole("button", { name: "Close panel" }).click();
  await expect.poll(async () => (await calls()).at(-1)?.[0]).toBe("hide");
});