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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/. */
var traceback = require("traceback");
var {Cc,Ci,Cr,Cu} = require("chrome");
function throwNsIException() {
var ios = Cc['@mozilla.org/network/io-service;1']
.getService(Ci.nsIIOService);
ios.newURI("i'm a malformed URI", null, null);
}
function throwError() {
throw new Error("foob");
}
exports.testFormatDoesNotFetchRemoteFiles = function(test) {
var observers = require("observer-service");
["http", "https"].forEach(
function(scheme) {
var httpRequests = 0;
function onHttp() {
httpRequests++;
}
observers.add("http-on-modify-request", onHttp);
try {
var tb = [{filename: scheme + "://www.mozilla.org/",
lineNo: 1,
funcName: "blah"}];
traceback.format(tb);
} catch (e) {
test.exception(e);
}
observers.remove("http-on-modify-request", onHttp);
test.assertEqual(httpRequests, 0,
"traceback.format() does not make " +
scheme + " request");
});
};
exports.testFromExceptionWithString = function(test) {
try {
throw "foob";
test.fail("an exception should've been thrown");
} catch (e if e == "foob") {
var tb = traceback.fromException(e);
test.assertEqual(tb.length, 0);
}
};
exports.testFormatWithString = function(test) {
// This can happen if e.g. a thrown exception was
// a string instead of an Error instance.
test.assertEqual(traceback.format("blah"),
"Traceback (most recent call last):");
};
exports.testFromExceptionWithError = function(test) {
try {
throwError();
test.fail("an exception should've been thrown");
} catch (e if e instanceof Error) {
var tb = traceback.fromException(e);
var xulApp = require("xul-app");
test.assertEqual(tb.slice(-1)[0].funcName, "throwError");
}
};
exports.testFromExceptionWithNsIException = function(test) {
try {
throwNsIException();
test.fail("an exception should've been thrown");
} catch (e if e.result == Cr.NS_ERROR_MALFORMED_URI) {
var tb = traceback.fromException(e);
test.assertEqual(tb.slice(-1)[0].funcName,
"throwNsIException");
}
};
exports.testFormat = function(test) {
function getTraceback() {
return traceback.format();
}
var formatted = getTraceback();
test.assertEqual(typeof(formatted), "string");
var lines = formatted.split("\n");
test.assertEqual(lines.slice(-2)[0].indexOf("getTraceback") > 0,
true,
"formatted traceback should include function name");
test.assertEqual(lines.slice(-1)[0].trim(),
"return traceback.format();",
"formatted traceback should include source code");
};
exports.testExceptionsWithEmptyStacksAreLogged = function(test) {
// Ensures that our fix to bug 550368 works.
var sandbox = Cu.Sandbox("http://www.foo.com");
var excRaised = false;
try {
Cu.evalInSandbox("returns 1 + 2;", sandbox, "1.8",
"blah.js", 25);
} catch (e) {
excRaised = true;
var stack = traceback.fromException(e);
test.assertEqual(stack.length, 1, "stack should have one frame");
test.assert(stack[0].filename, "blah.js", "frame should have filename");
test.assert(stack[0].lineNo, 25, "frame should have line no");
test.assertEqual(stack[0].funcName, null, "frame should have null function name");
}
if (!excRaised)
test.fail("Exception should have been raised.");
};
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