Add a browser test for functions in notification provider API

chrome/test/data/extensions/api_test/notification_provider/basic_usage/background.js

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+const notificationProvider = chrome.notificationProvider;
+
+function notifyOnCleared(senderId, notificationId) {
+  return new Promise(function (resolve, reject) {
+    notificationProvider.notifyOnCleared(senderId,
+                                         notificationId,
+                                         function (wasCleared) {
+      if (chrome.runtime.lastError || !wasCleared) {
+        reject(new Error("Unable to send onClear message"));
+        return;
+      }
+      resolve(wasCleared);
+      return;
+    });
+  });
+};
+
+function notifyOnClicked(senderId, notificationId) {
+  return new Promise(function (resolve, reject) {
+    notificationProvider.notifyOnClicked(senderId,
+                                         notificationId,
+                                         function (matchExists) {
+      if (chrome.runtime.lastError || !matchExists) {
+        reject(new Error("Unable to send onClick message"));
+        return;
+      }
+      resolve(matchExists);
+      return;
+    });
+  });
+};
+
+function notifyOnButtonClicked(senderId, notificationId, buttonIndex) {
+  return new Promise(function (resolve, reject) {
+    notificationProvider.notifyOnButtonClicked(senderId,
+                                               notificationId,
+                                               buttonIndex,
+                                               function (matchExists) {
+      if (chrome.runtime.lastError || !matchExists) {
+        reject(new Error("Unable to send onButtonClick message"));
+        return;
+      }
+      resolve(matchExists);
+      return;
+    });
+  });
+};
+
+function notifyOnPermissionLevelChanged(senderId, permissionLevel) {
+  return new Promise(function (resolve, reject) {
+    notificationProvider.notifyOnPermissionLevelChanged(
+                                              senderId,
+                                              permissionLevel,
+                                              function (notifierExists) {
+      if (chrome.runtime.lastError || !notifierExists) {
+        reject(new Error("Unable to send onPermissionLevelChanged message"));
+        return;
+      }
+      resolve(notifierExists);
+      return;
+    });
+  });
+};
+
+function notifyOnShowSettings(senderId) {
+  return new Promise(function (resolve, reject) {
+    notificationProvider.notifyOnShowSettings(senderId,
+                                              function (notifierExists) {
+      if (chrome.runtime.lastError || !notifierExists) {
+        reject(new Error("Unable to send onShowSettings message"));
+        return;
+      }
+      resolve(notifierExists);
+      return;
+    });
+  });
+};
+
+function failTest(testName) {
+  chrome.test.fail(testName);
+};
+
+function testFunctions() {
+  var testName = "testFunctions";
+  var notifierId;
+  var notId;
+  notificationProvider.onCreated.addListener(function(senderId,
+                                                      notificationId,
+                                                      content) {
+    notifierId = senderId;
+    notId = notificationId;
+
+    notifyOnClicked(notifierId, notId)
+      .catch(function() { failTest("NotifyOnClickedFailed"); })
+      .then(function() { return notifyOnButtonClicked(notifierId, notId, 0); })
+      .catch(function() { failTest("NotifyOnButtonClickedFailed"); })
+      .then(function () { return notifyOnCleared(notifierId, notId); })
+      .catch(function() { failTest("NotifyOnClearedFailed"); })
+      .then(function () { return notifyOnPermissionLevelChanged(notifierId,
+                                                                "granted"); })
+      .catch(function() { failTest("NotifyOnPermissionLevelChangedFailed"); })
+      .then(function () { return notifyOnShowSettings(notifierId); })
+      .catch(function() { failTest("NotifyOnShowSettingsFailed"); })
+      .then(function() { chrome.test.succeed(testName); });
+  });
+};
+
+chrome.test.runTests([ testFunctions ]);