1 files changed, 160 insertions, 0 deletions
diff --git a/browser/components/translation/test/browser_translation_bing.js b/browser/components/translation/test/browser_translation_bing.js
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+++ b/browser/components/translation/test/browser_translation_bing.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Test the Bing Translator client against a mock Bing service, bing.sjs.
+
+"use strict";
+
+const kClientIdPref = "browser.translation.bing.clientIdOverride";
+const kClientSecretPref = "browser.translation.bing.apiKeyOverride";
+
+const { BingTranslator } = ChromeUtils.import(
+  "resource:///modules/translation/BingTranslator.jsm"
+);
+const { TranslationDocument } = ChromeUtils.import(
+  "resource:///modules/translation/TranslationDocument.jsm"
+);
+
+add_setup(async function () {
+  Services.prefs.setCharPref(kClientIdPref, "testClient");
+  Services.prefs.setCharPref(kClientSecretPref, "testSecret");
+
+  registerCleanupFunction(function () {
+    Services.prefs.clearUserPref(kClientIdPref);
+    Services.prefs.clearUserPref(kClientSecretPref);
+  });
+});
+
+/**
+ * Checks if the translation is happening.
+ */
+add_task(async function test_bing_translation() {
+  // Ensure the correct client id is used for authentication.
+  Services.prefs.setCharPref(kClientIdPref, "testClient");
+
+  // Loading the fixture page.
+  let url = constructFixtureURL("bug1022725-fr.html");
+  let tab = await promiseTestPageLoad(url);
+
+  // Translating the contents of the loaded tab.
+  gBrowser.selectedTab = tab;
+  let browser = tab.linkedBrowser;
+
+  await SpecialPowers.spawn(browser, [], async function () {
+    // eslint-disable-next-line no-shadow
+    const { BingTranslator } = ChromeUtils.import(
+      "resource:///modules/translation/BingTranslator.jsm"
+    );
+    // eslint-disable-next-line no-shadow
+    const { TranslationDocument } = ChromeUtils.import(
+      "resource:///modules/translation/TranslationDocument.jsm"
+    );
+
+    let client = new BingTranslator(
+      new TranslationDocument(content.document),
+      "fr",
+      "en"
+    );
+    let result = await client.translate();
+
+    // XXXmikedeboer; here you would continue the test/ content inspection.
+    Assert.ok(result, "There should be a result");
+  });
+
+  gBrowser.removeTab(tab);
+});
+
+/**
+ * Ensures that the BingTranslator handles out-of-valid-key response
+ * correctly. Sometimes Bing Translate replies with
+ * "request credentials is not in an active state" error. BingTranslator
+ * should catch this error and classify it as Service Unavailable.
+ *
+ */
+add_task(async function test_handling_out_of_valid_key_error() {
+  // Simulating request from inactive subscription.
+  Services.prefs.setCharPref(kClientIdPref, "testInactive");
+
+  // Loading the fixture page.
+  let url = constructFixtureURL("bug1022725-fr.html");
+  let tab = await promiseTestPageLoad(url);
+
+  // Translating the contents of the loaded tab.
+  gBrowser.selectedTab = tab;
+  let browser = tab.linkedBrowser;
+
+  await SpecialPowers.spawn(browser, [], async function () {
+    // eslint-disable-next-line no-shadow
+    const { BingTranslator } = ChromeUtils.import(
+      "resource:///modules/translation/BingTranslator.jsm"
+    );
+    // eslint-disable-next-line no-shadow
+    const { TranslationDocument } = ChromeUtils.import(
+      "resource:///modules/translation/TranslationDocument.jsm"
+    );
+
+    let client = new BingTranslator(
+      new TranslationDocument(content.document),
+      "fr",
+      "en"
+    );
+    client._resetToken();
+    try {
+      await client.translate();
+    } catch (ex) {
+      // It is alright that the translation fails.
+    }
+    client._resetToken();
+
+    // Checking if the client detected service and unavailable.
+    Assert.ok(
+      client._serviceUnavailable,
+      "Service should be detected unavailable."
+    );
+  });
+
+  // Cleaning up.
+  Services.prefs.setCharPref(kClientIdPref, "testClient");
+  gBrowser.removeTab(tab);
+});
+
+/**
+ * A helper function for constructing a URL to a page stored in the
+ * local fixture folder.
+ *
+ * @param filename  Name of a fixture file.
+ */
+function constructFixtureURL(filename) {
+  // Deduce the Mochitest server address in use from a pref that was pre-processed.
+  let server = Services.prefs
+    .getCharPref("browser.translation.bing.authURL")
+    .replace("http://", "");
+  server = server.substr(0, server.indexOf("/"));
+  let url =
+    "http://" +
+    server +
+    "/browser/browser/components/translation/test/fixtures/" +
+    filename;
+  return url;
+}
+
+/**
+ * A helper function to open a new tab and wait for its content to load.
+ *
+ * @param String url  A URL to be loaded in the new tab.
+ */
+function promiseTestPageLoad(url) {
+  return new Promise(resolve => {
+    let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, url));
+    let browser = gBrowser.selectedBrowser;
+    BrowserTestUtils.browserLoaded(
+      browser,
+      false,
+      loadurl => loadurl != "about:blank"
+    ).then(() => {
+      info("Page loaded: " + browser.currentURI.spec);
+      resolve(tab);
+    });
+  });
+}