1 files changed, 104 insertions, 0 deletions
diff --git a/testing/marionette/addon.js b/testing/marionette/addon.js
new file mode 100644
index 000000000..d2ead6fb2
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+++ b/testing/marionette/addon.js
@@ -0,0 +1,104 @@
+/* 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/. */
+
+"use strict";
+
+const {interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/AddonManager.jsm");
+Cu.import("resource://gre/modules/FileUtils.jsm");
+
+Cu.import("chrome://marionette/content/error.js");
+
+this.EXPORTED_SYMBOLS = ["addon"];
+
+this.addon = {};
+
+// from https://developer.mozilla.org/en-US/Add-ons/Add-on_Manager/AddonManager#AddonInstall_errors
+addon.Errors = {
+  [-1]: "ERROR_NETWORK_FAILURE: A network error occured.",
+  [-2]: "ERROR_INCORECT_HASH: The downloaded file did not match the expected hash.",
+  [-3]: "ERROR_CORRUPT_FILE: The file appears to be corrupt.",
+  [-4]: "ERROR_FILE_ACCESS: There was an error accessing the filesystem.",
+  [-5]: "ERROR_SIGNEDSTATE_REQUIRED: The addon must be signed and isn't.",
+};
+
+function lookupError(code) {
+  let msg = addon.Errors[code];
+  return new UnknownError(msg);
+}
+
+/**
+ * Install a Firefox addon.
+ *
+ * If the addon is restartless, it can be used right away.  Otherwise a
+ * restart is required.
+ *
+ * Temporary addons will automatically be uninstalled on shutdown and
+ * do not need to be signed, though they must be restartless.
+ *
+ * @param {string} path
+ *     Full path to the extension package archive.
+ * @param {boolean=} temporary
+ *     True to install the addon temporarily, false (default) otherwise.
+ *
+ * @return {Promise: string}
+ *     Addon ID.
+ *
+ * @throws {UnknownError}
+ *     If there is a problem installing the addon.
+ */
+addon.install = function (path, temporary = false) {
+  return new Promise((resolve, reject) => {
+    let file = new FileUtils.File(path);
+
+    let listener = {
+      onInstallEnded: function (install, addon) {
+        resolve(addon.id);
+      },
+
+      onInstallFailed: function (install) {
+        reject(lookupError(install.error));
+      },
+
+      onInstalled: function (addon) {
+        AddonManager.removeAddonListener(listener);
+        resolve(addon.id);
+      }
+    };
+
+    if (!temporary) {
+      AddonManager.getInstallForFile(file, function (aInstall) {
+        if (aInstall.error !== 0) {
+          reject(lookupError(aInstall.error));
+        }
+        aInstall.addListener(listener);
+        aInstall.install();
+      });
+    } else {
+      AddonManager.addAddonListener(listener);
+      AddonManager.installTemporaryAddon(file);
+    }
+  });
+};
+
+/**
+ * Uninstall a Firefox addon.
+ *
+ * If the addon is restartless it will be uninstalled right away.
+ * Otherwise, Firefox must be restarted for the change to take effect.
+ *
+ * @param {string} id
+ *     ID of the addon to uninstall.
+ *
+ * @return {Promise}
+ */
+addon.uninstall = function (id) {
+  return new Promise(resolve => {
+    AddonManager.getAddonByID(id, function (addon) {
+      addon.uninstall();
+      resolve();
+    });
+  });
+};