1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/addon-sdk/source/test/test-traceback.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,139 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 + "use strict";
1.8 +
1.9 +var traceback = require("sdk/console/traceback");
1.10 +var {Cc,Ci,Cr,Cu} = require("chrome");
1.11 +const { on, off } = require("sdk/system/events");
1.12 +
1.13 +function throwNsIException() {
1.14 + var ios = Cc['@mozilla.org/network/io-service;1']
1.15 + .getService(Ci.nsIIOService);
1.16 + ios.newURI("i'm a malformed URI", null, null);
1.17 +}
1.18 +
1.19 +function throwError() {
1.20 + throw new Error("foob");
1.21 +}
1.22 +
1.23 +exports.testFormatDoesNotFetchRemoteFiles = function(assert) {
1.24 + ["http", "https"].forEach(
1.25 + function(scheme) {
1.26 + var httpRequests = 0;
1.27 + function onHttp() {
1.28 + httpRequests++;
1.29 + }
1.30 +
1.31 + on("http-on-modify-request", onHttp);
1.32 +
1.33 + try {
1.34 + var tb = [{filename: scheme + "://www.mozilla.org/",
1.35 + lineNumber: 1,
1.36 + name: "blah"}];
1.37 + traceback.format(tb);
1.38 + } catch (e) {
1.39 + assert.fail(e);
1.40 + }
1.41 +
1.42 + off("http-on-modify-request", onHttp);
1.43 +
1.44 + assert.equal(httpRequests, 0,
1.45 + "traceback.format() does not make " +
1.46 + scheme + " request");
1.47 + });
1.48 +};
1.49 +
1.50 +exports.testFromExceptionWithString = function(assert) {
1.51 + try {
1.52 + throw "foob";
1.53 + assert.fail("an exception should've been thrown");
1.54 + } catch (e) {
1.55 + if (e == "foob") {
1.56 + var tb = traceback.fromException(e);
1.57 + assert.equal(tb.length, 0);
1.58 + }
1.59 + else {
1.60 + throw e;
1.61 + }
1.62 + }
1.63 +};
1.64 +
1.65 +exports.testFormatWithString = function(assert) {
1.66 + // This can happen if e.g. a thrown exception was
1.67 + // a string instead of an Error instance.
1.68 + assert.equal(traceback.format("blah"),
1.69 + "Traceback (most recent call last):");
1.70 +};
1.71 +
1.72 +exports.testFromExceptionWithError = function(assert) {
1.73 + try {
1.74 + throwError();
1.75 + assert.fail("an exception should've been thrown");
1.76 + } catch (e) {
1.77 + if (e instanceof Error) {
1.78 + var tb = traceback.fromException(e);
1.79 +
1.80 + var xulApp = require("sdk/system/xul-app");
1.81 + assert.equal(tb.slice(-1)[0].name, "throwError");
1.82 + }
1.83 + else {
1.84 + throw e;
1.85 + }
1.86 + }
1.87 +};
1.88 +
1.89 +exports.testFromExceptionWithNsIException = function(assert) {
1.90 + try {
1.91 + throwNsIException();
1.92 + assert.fail("an exception should've been thrown");
1.93 + } catch (e) {
1.94 + if (e.result == Cr.NS_ERROR_MALFORMED_URI) {
1.95 + var tb = traceback.fromException(e);
1.96 + assert.equal(tb[tb.length - 1].name, "throwNsIException");
1.97 + }
1.98 + else {
1.99 + throw e;
1.100 + }
1.101 + }
1.102 +};
1.103 +
1.104 +exports.testFormat = function(assert) {
1.105 + function getTraceback() {
1.106 + return traceback.format();
1.107 + }
1.108 +
1.109 + var formatted = getTraceback();
1.110 + assert.equal(typeof(formatted), "string");
1.111 + var lines = formatted.split("\n");
1.112 +
1.113 + assert.equal(lines[lines.length - 2].indexOf("getTraceback") > 0,
1.114 + true,
1.115 + "formatted traceback should include function name");
1.116 +
1.117 + assert.equal(lines[lines.length - 1].trim(),
1.118 + "return traceback.format();",
1.119 + "formatted traceback should include source code");
1.120 +};
1.121 +
1.122 +exports.testExceptionsWithEmptyStacksAreLogged = function(assert) {
1.123 + // Ensures that our fix to bug 550368 works.
1.124 + var sandbox = Cu.Sandbox("http://www.foo.com");
1.125 + var excRaised = false;
1.126 + try {
1.127 + Cu.evalInSandbox("returns 1 + 2;", sandbox, "1.8",
1.128 + "blah.js", 25);
1.129 + } catch (e) {
1.130 + excRaised = true;
1.131 + var stack = traceback.fromException(e);
1.132 + assert.equal(stack.length, 1, "stack should have one frame");
1.133 +
1.134 + assert.ok(stack[0].fileName, "blah.js", "frame should have filename");
1.135 + assert.ok(stack[0].lineNumber, 25, "frame should have line no");
1.136 + assert.equal(stack[0].name, null, "frame should have null function name");
1.137 + }
1.138 + if (!excRaised)
1.139 + assert.fail("Exception should have been raised.");
1.140 +};
1.141 +
1.142 +require('sdk/test').run(exports);
