Feature test container sync initialization

test/features/sync.test.js

@@ -0,0 +1,66 @@
+describe("Sync", () => {
+  let tab;
+  beforeEach(async () => {
+    tab = await helper.browser.initializeWithTab();
+  });
+
+  it.only("should init sync on startup", async () => {
+    const mozContainer = await background.browser.contextualIdentities.create({
+      name: "Mozilla",
+      color: "red",
+      icon: "briefcase",
+    });
+    
+    await background.browser.contextualIdentities.update("firefox-container-2", {color:"purple"});
+    await background.browser.contextualIdentities.update("firefox-container-4", {icon:"pet"});
+
+    await Promise.all([
+      {
+        userContextId: "1",
+        url: "https://twitter.com",
+      },
+      {
+        userContextId: "2",
+        url: "https://www.facebook.com",
+      },
+      {
+        userContextId: "4",
+        url: "https://www.linkedin.com",
+        neverAsk: true,
+      },
+      {
+        userContextId: mozContainer.cookieStoreId.replace("firefox-container-", ""),
+        url: "https://developer.mozilla.org",
+        neverAsk: true,
+      }
+    ].map(async (assign) => {
+      await background.browser.tabs.update(tab.id, {
+        cookieStoreId: `firefox-container-${assign.userContextId}`
+      });
+  
+      await background.browser.runtime.onMessage.addListener.yield({
+        method: "setOrRemoveAssignment",
+        tabId: tab.id,
+        url: assign.url,
+        userContextId: assign.userContextId,
+        value: !true
+      });
+
+      if (assign.neverAsk) {
+        await nextTick();
+        await background.browser.runtime.onMessage.addListener.yield({
+          method: "neverAsk",
+          neverAsk: true,
+          pageUrl: assign.url,
+        });
+      }
+    }));
+
+    await background.browser.runtime.onStartup.addListener.yield();
+    await nextTick();
+
+    const sync = await background.browser.storage.sync.get();
+
+    expect(sync.identities.length).to.equal(5);
+  });
+});

test/setup.js

@@ -5,6 +5,7 @@ if (!process.listenerCount("unhandledRejection")) {
 const path = require("path");
 const chai = require("chai");
 const sinonChai = require("sinon-chai");
+const crypto = require("crypto");
 global.sinon = require("sinon");
 global.expect = chai.expect;
 chai.should();
@@ -29,6 +30,9 @@ global.buildDom = async ({background = {}, popup = {}}) => {
       ...background.jsom,
       beforeParse(window) {
         window.browser.permissions.getAll.resolves({permissions: ["bookmarks"]});
+        window.crypto = {
+          getRandomValues: arr => crypto.randomBytes(arr.length),
+        };
       }
     }
   };