michael@0: // -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: function sendMessageToJava(message) {
michael@0:   SpecialPowers.Services.androidBridge.handleGeckoMessage(message);
michael@0: }
michael@0: 
michael@0: function _evalURI(uri, sandbox) {
michael@0:   // We explicitly allow Cross-Origin requests, since it is useful for
michael@0:   // testing, but we allow relative URLs by maintaining our baseURI.
michael@0:   let req = SpecialPowers.Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
michael@0:                          .createInstance();
michael@0: 
michael@0:   let baseURI = SpecialPowers.Services.io
michael@0:                              .newURI(window.document.baseURI, window.document.characterSet, null);
michael@0:   let theURI = SpecialPowers.Services.io
michael@0:                             .newURI(uri, window.document.characterSet, baseURI);
michael@0: 
michael@0:   req.open('GET', theURI.spec, false);
michael@0:   req.send();
michael@0: 
michael@0:   return SpecialPowers.Cu.evalInSandbox(req.responseText, sandbox, "1.8", uri, 1);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Execute the Javascript file at `uri` in a testing sandbox populated
michael@0:  * with the Javascript test harness.
michael@0:  *
michael@0:  * `uri` should be a String, relative (to window.document.baseURI) or
michael@0:  * absolute.
michael@0:  *
michael@0:  * The Javascript test harness sends all output to Java via
michael@0:  * Robocop:JS messages.
michael@0:  */
michael@0: function testOneFile(uri) {
michael@0:   let HEAD_JS = "robocop_head.js";
michael@0: 
michael@0:   // System principal.  This is dangerous, but this is test code that
michael@0:   // should only run on developer and build farm machines, and the
michael@0:   // test harness needs access to a lot of the Components API,
michael@0:   // including Components.stack.  Wrapping Components.stack in
michael@0:   // SpecialPowers magic obfuscates stack traces wonderfully,
michael@0:   // defeating much of the point of the test harness.
michael@0:   let principal = SpecialPowers.Cc["@mozilla.org/systemprincipal;1"]
michael@0:                                .createInstance(SpecialPowers.Ci.nsIPrincipal);
michael@0: 
michael@0:   let testScope = SpecialPowers.Cu.Sandbox(principal);
michael@0: 
michael@0:   // Populate test environment with test harness prerequisites.
michael@0:   testScope.Components = SpecialPowers.Components;
michael@0:   testScope._TEST_FILE = uri;
michael@0: 
michael@0:   // Output from head.js is fed, line by line, to this function.  We
michael@0:   // send any such output back to the Java Robocop harness.
michael@0:   testScope.dump = function (str) {
michael@0:     let message = { type: "Robocop:JS",
michael@0:                     innerType: "progress",
michael@0:                     message: str,
michael@0:                   };
michael@0:     sendMessageToJava(message);
michael@0:   };
michael@0: 
michael@0:   // Populate test environment with test harness.  The symbols defined
michael@0:   // above must be present before executing the test harness.
michael@0:   _evalURI(HEAD_JS, testScope);
michael@0: 
michael@0:   return _evalURI(uri, testScope);
michael@0: }