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-rw-r--r--uriloader/exthandler/tests/unit/head.js82
1 files changed, 82 insertions, 0 deletions
diff --git a/uriloader/exthandler/tests/unit/head.js b/uriloader/exthandler/tests/unit/head.js
new file mode 100644
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+++ b/uriloader/exthandler/tests/unit/head.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/. */
+
+/*
+ * Initialization for tests related to invoking external handler applications.
+ */
+
+"use strict";
+
+var { AppConstants } = ChromeUtils.importESModule(
+ "resource://gre/modules/AppConstants.sys.mjs"
+);
+var { FileUtils } = ChromeUtils.importESModule(
+ "resource://gre/modules/FileUtils.sys.mjs"
+);
+var { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+var { XPCOMUtils } = ChromeUtils.importESModule(
+ "resource://gre/modules/XPCOMUtils.sys.mjs"
+);
+
+const { HandlerServiceTestUtils } = ChromeUtils.importESModule(
+ "resource://testing-common/HandlerServiceTestUtils.sys.mjs"
+);
+var { TestUtils } = ChromeUtils.importESModule(
+ "resource://testing-common/TestUtils.sys.mjs"
+);
+
+XPCOMUtils.defineLazyServiceGetter(
+ this,
+ "gHandlerService",
+ "@mozilla.org/uriloader/handler-service;1",
+ "nsIHandlerService"
+);
+
+do_get_profile();
+
+let jsonPath = PathUtils.join(PathUtils.profileDir, "handlers.json");
+
+/**
+ * Unloads the nsIHandlerService data store, so the back-end file can be
+ * accessed or modified, and the new data will be loaded at the next access.
+ */
+let unloadHandlerStore = async function () {
+ // If this function is called before the nsIHandlerService instance has been
+ // initialized for the first time, the observer below will not be registered.
+ // We have to force initialization to prevent the function from stalling.
+ gHandlerService;
+
+ let promise = TestUtils.topicObserved("handlersvc-json-replace-complete");
+ Services.obs.notifyObservers(null, "handlersvc-json-replace");
+ await promise;
+};
+
+/**
+ * Unloads the data store and deletes it.
+ */
+let deleteHandlerStore = async function () {
+ await unloadHandlerStore();
+
+ await IOUtils.remove(jsonPath, { ignoreAbsent: true });
+
+ Services.prefs.clearUserPref("gecko.handlerService.defaultHandlersVersion");
+};
+
+/**
+ * Unloads the data store and replaces it with the test data file.
+ */
+let copyTestDataToHandlerStore = async function () {
+ await unloadHandlerStore();
+
+ await IOUtils.copy(do_get_file("handlers.json").path, jsonPath);
+
+ Services.prefs.setIntPref("gecko.handlerService.defaultHandlersVersion", 100);
+};
+
+/**
+ * Ensures the files are removed and the services unloaded when the tests end.
+ */
+registerCleanupFunction(async function test_terminate() {
+ await deleteHandlerStore();
+});