Post-Multibrowser support improvements

.github/workflows/build.yml

@@ -0,0 +1,21 @@
+name: Build
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  build:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - name: Install dependencies
+        run: npm install -g pnpm && pnpm install
+      - name: Build for Firefox
+        run: pnpm build:firefox
+      - name: Build for Chromium
+        run: pnpm build:chromium

.github/workflows/e2e.yml

@@ -0,0 +1,27 @@
+name: E2E Tests
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  e2e:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - name: Install dependencies
+        run: npm install -g pnpm && pnpm install
+      - name: Install Playwright Browsers
+        run: pnpm exec playwright install chromium --with-deps
+      - name: Run Playwright E2E tests
+        run: pnpm e2e
+      - uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 30

.gitignore

@@ -30,4 +30,10 @@ auto-imports.d.ts
 
 # Produced when building or packing
 manifest.json
-web-ext-artifacts
+web-ext-artifacts
+
+# Test
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

README.md

@@ -18,51 +18,51 @@ The extension allows to customize the highlight color in the pop-up settings.
 To run the extension in development mode, run the following commands:
 
 ```zsh
-npm run dev:chromium
+pnpm dev:chromium
 ```
 
 ```zsh
-npm run dev:firefox
+pnpm dev:firefox
 ```
 
 ## Building
 
 To build the extension, run the following commands:
 
 ```zsh
-npm run build:chromium
+pnpm build:chromium
 ```
 
 ```zsh
-npm run build:firefox
+pnpm build:firefox
 ```
 
 ## Running
 
 To run the extension after building, run the following commands, for Google Chromium and Mozilla Firefox respectively:
 
 ```zsh
-npm run start:chromium
+pnpm start:chromium
 ```
 
 ```zsh
-npm run start:firefox
+pnpm start:firefox
 ```
 
 ## Installation
 
 ### Chromium
 
 1. Clone the repository and install the dependencies using `npm i`
-2. Run `npm run build:chromium` to build the extension
+2. Run `pnpm build:chromium` to build the extension
 3. Open a Chromium-based browser and go to `chrome://extensions/`
 4. Enable `Developer mode`
 5. Click on `Load unpacked` and select the `dist` folder
 
 ### Firefox
 
 1. Clone the repository and install the dependencies using `npm i`
-2. Run `npm run build:firefox` to build the extension and `npm run pack:firefox` to prepare it for installation
+2. Run `pnpm build:firefox` to build the extension and `pnpm pack:firefox` to prepare it for installation
 3. Open Firefox and go to `about:debugging#/runtime/this-firefox`
 4. Click on `Load Temporary Add-on...` and select the .zip package in the `web-ext-artifacts` folder
 

e2e/diff.spec.ts

@@ -0,0 +1,24 @@
+import { test, expect } from "./fixtures";
+
+test("Goto github PR files changed and check diff", async ({ page }) => {
+  await page.goto(
+    "https://github.com/bancorprotocol/carbon-app/pull/1464/files"
+  );
+  const firstIframe = page.frameLocator("iframe").first();
+  const iframeBody = firstIframe.locator("body");
+
+  await expect(iframeBody).toContainText("Difference");
+  await expect(iframeBody).toContainText("Overlay");
+});
+
+test("Check settings page contains right header and labels", async ({
+  page,
+  extensionId,
+}) => {
+  await page.goto(`chrome-extension://${extensionId}/src/popup/index.html`);
+  await expect(page.locator("h1")).toContainText("Settings");
+  expect(page.locator("form > label")).toHaveText([
+    "Diff Color",
+    "Default Algo",
+  ]);
+});

e2e/fixtures.ts

@@ -0,0 +1,35 @@
+import { test as base, chromium, type BrowserContext } from "@playwright/test";
+import path from "path";
+import { fileURLToPath } from "url";
+import { resolve } from "node:path";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const rootPath = resolve(__dirname, "..");
+
+export const test = base.extend<{
+  context: BrowserContext;
+  extensionId: string;
+}>({
+  context: async ({ headless }, use) => {
+    const pathToExtension = path.join(rootPath, "dist");
+    const context = await chromium.launchPersistentContext("", {
+      headless,
+      args: [
+        ...(headless ? ["--headless=new"] : []),
+        `--disable-extensions-except=${pathToExtension}`,
+        `--load-extension=${pathToExtension}`,
+      ],
+    });
+    await use(context);
+    await context.close();
+  },
+  extensionId: async ({ context }, use) => {
+    let [background] = context.serviceWorkers();
+    if (!background) background = await context.waitForEvent("serviceworker");
+
+    const extensionId = background.url().split("/")[2];
+    await use(extensionId);
+  },
+});
+export const expect = test.expect;