import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/content/tests/browser/common/mockTransfer.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/. */
+
+Cc["@mozilla.org/moz/jssubscript-loader;1"]
+  .getService(Ci.mozIJSSubScriptLoader)
+  .loadSubScript("chrome://mochikit/content/tests/SimpleTest/MockObjects.js", this);
+
+var mockTransferCallback;
+
+/**
+ * This "transfer" object implementation continues the currently running test
+ * when the download is completed, reporting true for success or false for
+ * failure as the first argument of the testRunner.continueTest function.
+ */
+function MockTransfer() {
+  this._downloadIsSuccessful = true;
+}
+
+MockTransfer.prototype = {
+  QueryInterface: XPCOMUtils.generateQI([
+    Ci.nsIWebProgressListener,
+    Ci.nsIWebProgressListener2,
+    Ci.nsITransfer,
+  ]),
+
+  /* nsIWebProgressListener */
+  onStateChange: function MTFC_onStateChange(aWebProgress, aRequest,
+                                             aStateFlags, aStatus) {
+    // If at least one notification reported an error, the download failed.
+    if (!Components.isSuccessCode(aStatus))
+      this._downloadIsSuccessful = false;
+
+    // If the download is finished
+    if ((aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) &&
+        (aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK))
+      // Continue the test, reporting the success or failure condition.
+      mockTransferCallback(this._downloadIsSuccessful);
+  },
+  onProgressChange: function () {},
+  onLocationChange: function () {},
+  onStatusChange: function MTFC_onStatusChange(aWebProgress, aRequest, aStatus,
+                                               aMessage) {
+    // If at least one notification reported an error, the download failed.
+    if (!Components.isSuccessCode(aStatus))
+      this._downloadIsSuccessful = false;
+  },
+  onSecurityChange: function () {},
+
+  /* nsIWebProgressListener2 */
+  onProgressChange64: function () {},
+  onRefreshAttempted: function () {},
+
+  /* nsITransfer */
+  init: function() {},
+  setSha256Hash: function() {},
+  setSignatureInfo: function() {}
+};
+
+// Create an instance of a MockObjectRegisterer whose methods can be used to
+// temporarily replace the default "@mozilla.org/transfer;1" object factory with
+// one that provides the mock implementation above. To activate the mock object
+// factory, call the "register" method. Starting from that moment, all the
+// transfer objects that are requested will be mock objects, until the
+// "unregister" method is called.
+var mockTransferRegisterer =
+  new MockObjectRegisterer("@mozilla.org/transfer;1",  MockTransfer);