Add browser tests

browser_tests/index.test.js

@@ -0,0 +1,51 @@
+import * as puppeteer from "puppeteer";
+
+const EXTENSION_PATH = './';
+const EXTENSION_ID = 'cmocagfamghfobhcgipdfhkblaghlbff';
+
+let browser = null;
+let workerTarget = null
+let worker = null
+
+beforeEach(async () => {
+    browser = await puppeteer.launch({
+        headless: false,
+        args: [
+            `--disable-extensions-except=${EXTENSION_PATH}`,
+            `--load-extension=${EXTENSION_PATH}`
+        ]
+    });
+
+    workerTarget = await browser.waitForTarget(
+        // Assumes that there is only one service worker created by the extension and its URL ends with background.js.
+        target =>
+            target.type() === 'service_worker'
+    );
+    worker = await workerTarget.worker()
+});
+
+afterEach(async () => {
+    await browser.close();
+    browser = null;
+    workerTarget = null
+});
+
+
+test("clicking the extension button activates the extension", async () => {
+    const someOtherPage = await browser.newPage();
+    await someOtherPage.goto("https://www.google.com/", { waitUntil: ['domcontentloaded', "networkidle2"] });
+    await someOtherPage.bringToFront();
+
+    await worker.evaluate(async () => {
+        const tabs = await chrome.tabs.query({ active: true })
+        await chrome.action.onClicked.dispatch(tabs[0]);
+    });
+
+
+    const storage = await worker.evaluate(async () => {
+        return await chrome.storage.local.get(["enabled"])
+
+    })
+
+    expect(storage).toEqual({ "enabled": true })
+});