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-rw-r--r--toolkit/components/webextensions/test/xpcshell/head_sync.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/toolkit/components/webextensions/test/xpcshell/head_sync.js b/toolkit/components/webextensions/test/xpcshell/head_sync.js
new file mode 100644
index 000000000..9b66b78e7
--- /dev/null
+++ b/toolkit/components/webextensions/test/xpcshell/head_sync.js
@@ -0,0 +1,67 @@
+/* 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";
+
+/* exported withSyncContext */
+
+Components.utils.import("resource://gre/modules/Services.jsm", this);
+Components.utils.import("resource://gre/modules/ExtensionCommon.jsm", this);
+
+var {
+ BaseContext,
+} = ExtensionCommon;
+
+class Context extends BaseContext {
+ constructor(principal) {
+ super();
+ Object.defineProperty(this, "principal", {
+ value: principal,
+ configurable: true,
+ });
+ this.sandbox = Components.utils.Sandbox(principal, {wantXrays: false});
+ this.extension = {id: "test@web.extension"};
+ }
+
+ get cloneScope() {
+ return this.sandbox;
+ }
+}
+
+/**
+ * Call the given function with a newly-constructed context.
+ * Unload the context on the way out.
+ *
+ * @param {function} f the function to call
+ */
+function* withContext(f) {
+ const ssm = Services.scriptSecurityManager;
+ const PRINCIPAL1 = ssm.createCodebasePrincipalFromOrigin("http://www.example.org");
+ const context = new Context(PRINCIPAL1);
+ try {
+ yield* f(context);
+ } finally {
+ yield context.unload();
+ }
+}
+
+/**
+ * Like withContext(), but also turn on the "storage.sync" pref for
+ * the duration of the function.
+ * Calls to this function can be replaced with calls to withContext
+ * once the pref becomes on by default.
+ *
+ * @param {function} f the function to call
+ */
+function* withSyncContext(f) {
+ const STORAGE_SYNC_PREF = "webextensions.storage.sync.enabled";
+ let prefs = Services.prefs;
+
+ try {
+ prefs.setBoolPref(STORAGE_SYNC_PREF, true);
+ yield* withContext(f);
+ } finally {
+ prefs.clearUserPref(STORAGE_SYNC_PREF);
+ }
+}