Issue 6884 - Migrate from nodeunit to mocha

test/firefox.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* eslint-env mocha */
+
 "use strict";
 
 const FIREFOX_VERSION = "57.0";
 
 const path = require("path");
+const assert = require("assert");
 const webdriver = require("selenium-webdriver");
 const {By, until} = webdriver;
 const firefox = require("selenium-webdriver/firefox");
 const {Command} = require("selenium-webdriver/lib/command");
 const {ensureFirefox} = require("../adblockpluscore/test/runners/" +
                                 "firefox_download");
 
-function reportElements(test, driver, success)
+describe("Firefox", function()
 {
-  return driver.findElements(
-    By.css(`#qunit-tests ${success ? ".pass" : ".fail"} .test-name`)
-  ).then(elements => Promise.all(elements.map(elem =>
-    elem.getAttribute("innerHTML").then(data => test.ok(success, data))
-  )));
-}
+  this.timeout(0);
 
-exports.runFirefox = function(test)
-{
-  // https://stackoverflow.com/a/45045036
-  function installWebExt(driver, extension)
-  {
-    let cmd = new Command("moz-install-web-ext")
-      .setParameter("path", path.resolve(extension))
-      .setParameter("temporary", true);
+  let driver;
+  let origin;
 
-    driver.getExecutor()
-      .defineCommand(cmd.getName(), "POST",
-                     "/session/:sessionId/moz/addon/install");
+  before(() =>
+    ensureFirefox(FIREFOX_VERSION).then(firefoxPath =>
+    {
+      let binary = new firefox.Binary(firefoxPath);
+      binary.addArguments("-headless");
 
-    return driver.schedule(cmd, `installWebExt(${extension})`);
-  }
+      driver = new webdriver.Builder()
+        .forBrowser("firefox")
+        .setFirefoxOptions(new firefox.Options().setBinary(binary))
+        .build();
 
-  ensureFirefox(FIREFOX_VERSION).then(firefoxPath =>
-  {
-    let binary = new firefox.Binary(firefoxPath);
+      let devenv = "./devenv.gecko";
+      let cmd = new Command("moz-install-web-ext")
+        .setParameter("path", path.resolve(devenv))
+        .setParameter("temporary", true);
 
-    binary.addArguments("-headless");
+      driver.getExecutor().defineCommand(
+        cmd.getName(), "POST",
+        "/session/:sessionId/moz/addon/install"
+      );
+      driver.schedule(cmd, `installWebExt(${devenv})`);
 
-    let options = new firefox.Options()
-      .setBinary(binary);
+      return driver.wait(() =>
+        driver.getAllWindowHandles().then(handles => handles[1])
+      ).then(handle =>
+        driver.switchTo().window(handle)
+      ).then(() =>
+        driver.executeScript("return location.origin;")
+      ).then(result => { origin = result; });
+    })
+  );
 
-    let driver = new webdriver.Builder()
-      .forBrowser("firefox")
-      .setFirefoxOptions(options)
-      .build();
-
-    installWebExt(driver, "./devenv.gecko");
-
-    driver.wait(() =>
-      // Wait for the firstrun-page to be loaded
-      driver.getAllWindowHandles().then(handles =>
-      {
-        if (handles.length > 1)
-        {
-          driver.switchTo().window(handles[1]);
-          return true;
-        }
-        return false;
-      })
-    ).then(() =>
-      // Navigate to the qunit index
-      driver.executeScript("location.href = \"qunit/index.html\";")
-    ).then(() =>
+  it("qunit", () =>
+    driver.navigate().to(origin + "/qunit/index.html").then(() =>
       // Wait for qunit-results to be present
       driver.wait(until.elementLocated(By.id("qunit-testresult")))
     ).then(() =>
       // Wait for tests to finish
       driver.wait(() =>
         driver.findElement(By.id("qunit-testresult"))
           .getAttribute("innerHTML").then(data =>
              data.includes("Tests completed")))
-    ).then(() => Promise.all([
-      reportElements(test, driver, true),
-      reportElements(test, driver, false)
-    ])).then(
-      () => driver.quit().then(() => test.done()),
-      err => driver.quit().then(() => { throw err; })
-    );
-  });
-};
+    ).then(() => Promise.all([[true, ".pass"], [false, ".fail"]].map(
+      ([success, sel]) => driver.findElements(
+        By.css(`#qunit-tests ${sel} .test-name`)
+      ).then(elements => Promise.all(elements.map(elem =>
+        elem.getAttribute("textContent").then(data => assert.ok(success, data))
+      )))
+    )))
+  );
+
+  after(() => driver.quit());
+});