gecko/testing/mochitest/tests/SimpleTest/SimpleTest.js

1136 lines
38 KiB
JavaScript

/**
* SimpleTest, a partial Test.Simple/Test.More API compatible test library.
*
* Why?
*
* Test.Simple doesn't work on IE < 6.
* TODO:
* * Support the Test.Simple API used by MochiKit, to be able to test MochiKit
* itself against IE 5.5
*
* NOTE: Pay attention to cross-browser compatibility in this file. For
* instance, do not use const or JS > 1.5 features which are not yet
* implemented everywhere.
*
**/
var SimpleTest = { };
var parentRunner = null;
// In normal test runs, the window that has a TestRunner in its parent is
// the primary window. In single test runs, if there is no parent and there
// is no opener then it is the primary window.
var isPrimaryTestWindow = !!parent.TestRunner || (parent == window && !opener);
// Finds the TestRunner for this test run and the SpecialPowers object (in
// case it is not defined) from a parent/opener window.
//
// Finding the SpecialPowers object is needed when we have ChromePowers in
// harness.xul and we need SpecialPowers in the iframe, and also for tests
// like test_focus.xul where we open a window which opens another window which
// includes SimpleTest.js.
(function() {
function ancestor(w) {
return w.parent != w ? w.parent : w.opener;
}
var w = ancestor(window);
while (w && (!parentRunner || !window.SpecialPowers)) {
if (!parentRunner) {
parentRunner = w.TestRunner;
if (!parentRunner && w.wrappedJSObject) {
parentRunner = w.wrappedJSObject.TestRunner;
}
}
if (!window.SpecialPowers) {
window.SpecialPowers = w.SpecialPowers;
}
w = ancestor(w);
}
})();
/* Helper functions pulled out of various MochiKit modules */
if (typeof(repr) == 'undefined') {
function repr(o) {
if (typeof(o) == "undefined") {
return "undefined";
} else if (o === null) {
return "null";
}
try {
if (typeof(o.__repr__) == 'function') {
return o.__repr__();
} else if (typeof(o.repr) == 'function' && o.repr != arguments.callee) {
return o.repr();
}
} catch (e) {
}
try {
if (typeof(o.NAME) == 'string' && (
o.toString == Function.prototype.toString ||
o.toString == Object.prototype.toString
)) {
return o.NAME;
}
} catch (e) {
}
try {
var ostring = (o + "");
} catch (e) {
return "[" + typeof(o) + "]";
}
if (typeof(o) == "function") {
o = ostring.replace(/^\s+/, "");
var idx = o.indexOf("{");
if (idx != -1) {
o = o.substr(0, idx) + "{...}";
}
}
return ostring;
};
}
/* This returns a function that applies the previously given parameters.
* This is used by SimpleTest.showReport
*/
if (typeof(partial) == 'undefined') {
function partial(func) {
var args = [];
for (var i = 1; i < arguments.length; i++) {
args.push(arguments[i]);
}
return function() {
if (arguments.length > 0) {
for (var i = 1; i < arguments.length; i++) {
args.push(arguments[i]);
}
}
func(args);
};
};
}
if (typeof(getElement) == 'undefined') {
function getElement(id) {
return ((typeof(id) == "string") ?
document.getElementById(id) : id);
};
this.$ = this.getElement;
}
SimpleTest._newCallStack = function(path) {
var rval = function () {
var callStack = arguments.callee.callStack;
for (var i = 0; i < callStack.length; i++) {
if (callStack[i].apply(this, arguments) === false) {
break;
}
}
try {
this[path] = null;
} catch (e) {
// pass
}
};
rval.callStack = [];
return rval;
};
if (typeof(addLoadEvent) == 'undefined') {
function addLoadEvent(func) {
var existing = window["onload"];
var regfunc = existing;
if (!(typeof(existing) == 'function'
&& typeof(existing.callStack) == "object"
&& existing.callStack !== null)) {
regfunc = SimpleTest._newCallStack("onload");
if (typeof(existing) == 'function') {
regfunc.callStack.push(existing);
}
window["onload"] = regfunc;
}
regfunc.callStack.push(func);
};
}
function createEl(type, attrs, html) {
//use createElementNS so the xul/xhtml tests have no issues
var el;
if (!document.body) {
el = document.createElementNS("http://www.w3.org/1999/xhtml", type);
}
else {
el = document.createElement(type);
}
if (attrs !== null && attrs !== undefined) {
for (var k in attrs) {
el.setAttribute(k, attrs[k]);
}
}
if (html !== null && html !== undefined) {
el.appendChild(document.createTextNode(html));
}
return el;
}
/* lots of tests use this as a helper to get css properties */
if (typeof(computedStyle) == 'undefined') {
function computedStyle(elem, cssProperty) {
elem = getElement(elem);
if (elem.currentStyle) {
return elem.currentStyle[cssProperty];
}
if (typeof(document.defaultView) == 'undefined' || document === null) {
return undefined;
}
var style = document.defaultView.getComputedStyle(elem, null);
if (typeof(style) == 'undefined' || style === null) {
return undefined;
}
var selectorCase = cssProperty.replace(/([A-Z])/g, '-$1'
).toLowerCase();
return style.getPropertyValue(selectorCase);
};
}
/**
* Check for OOP test plugin
**/
SimpleTest.testPluginIsOOP = function () {
var testPluginIsOOP = false;
if (navigator.platform.indexOf("Mac") == 0) {
if (SpecialPowers.XPCOMABI.match(/x86-/)) {
try {
testPluginIsOOP = SpecialPowers.getBoolPref("dom.ipc.plugins.enabled.i386.test.plugin");
} catch (e) {
testPluginIsOOP = SpecialPowers.getBoolPref("dom.ipc.plugins.enabled.i386");
}
}
else if (SpecialPowers.XPCOMABI.match(/x86_64-/)) {
try {
testPluginIsOOP = SpecialPowers.getBoolPref("dom.ipc.plugins.enabled.x86_64.test.plugin");
} catch (e) {
testPluginIsOOP = SpecialPowers.getBoolPref("dom.ipc.plugins.enabled.x86_64");
}
}
}
else {
testPluginIsOOP = SpecialPowers.getBoolPref("dom.ipc.plugins.enabled");
}
return testPluginIsOOP;
};
SimpleTest._tests = [];
SimpleTest._stopOnLoad = true;
/**
* Something like assert.
**/
SimpleTest.ok = function (condition, name, diag) {
var test = {'result': !!condition, 'name': name, 'diag': diag};
SimpleTest._logResult(test, "TEST-PASS", "TEST-UNEXPECTED-FAIL");
SimpleTest._tests.push(test);
};
/**
* Roughly equivalent to ok(a==b, name)
**/
SimpleTest.is = function (a, b, name) {
var pass = (a == b);
var diag = pass ? "" : "got " + repr(a) + ", expected " + repr(b)
SimpleTest.ok(pass, name, diag);
};
SimpleTest.isnot = function (a, b, name) {
var pass = (a != b);
var diag = pass ? "" : "didn't expect " + repr(a) + ", but got it";
SimpleTest.ok(pass, name, diag);
};
/**
* Roughly equivalent to ok(a===b, name)
**/
SimpleTest.ise = function (a, b, name) {
var pass = (a === b);
var diag = pass ? "" : "got " + repr(a) + ", strictly expected " + repr(b)
SimpleTest.ok(pass, name, diag);
};
// --------------- Test.Builder/Test.More todo() -----------------
SimpleTest.todo = function(condition, name, diag) {
var test = {'result': !!condition, 'name': name, 'diag': diag, todo: true};
SimpleTest._logResult(test, "TEST-UNEXPECTED-PASS", "TEST-KNOWN-FAIL");
SimpleTest._tests.push(test);
};
SimpleTest._getCurrentTestURL = function() {
return parentRunner && parentRunner.currentTestURL ||
typeof gTestPath == "string" && gTestPath ||
"unknown test url";
};
SimpleTest._logResult = function(test, passString, failString) {
var isError = !test.result == !test.todo;
var resultString = test.result ? passString : failString;
var url = SimpleTest._getCurrentTestURL();
var diagnostic = test.name + (test.diag ? " - " + test.diag : "");
var msg = [resultString, url, diagnostic].join(" | ");
if (parentRunner) {
if (isError) {
parentRunner.addFailedTest(url);
parentRunner.error(msg);
} else {
parentRunner.log(msg);
}
} else if (typeof dump === "function") {
dump(msg + "\n");
} else {
// Non-Mozilla browser? Just do nothing.
}
};
SimpleTest.info = function(name, message) {
SimpleTest._logResult({result:true, name:name, diag:message}, "TEST-INFO");
};
/**
* Copies of is and isnot with the call to ok replaced by a call to todo.
**/
SimpleTest.todo_is = function (a, b, name) {
var pass = (a == b);
var diag = pass ? repr(a) + " should equal " + repr(b)
: "got " + repr(a) + ", expected " + repr(b);
SimpleTest.todo(pass, name, diag);
};
SimpleTest.todo_isnot = function (a, b, name) {
var pass = (a != b);
var diag = pass ? repr(a) + " should not equal " + repr(b)
: "didn't expect " + repr(a) + ", but got it";
SimpleTest.todo(pass, name, diag);
};
/**
* Makes a test report, returns it as a DIV element.
**/
SimpleTest.report = function () {
var passed = 0;
var failed = 0;
var todo = 0;
var tallyAndCreateDiv = function (test) {
var cls, msg, div;
var diag = test.diag ? " - " + test.diag : "";
if (test.todo && !test.result) {
todo++;
cls = "test_todo";
msg = "todo | " + test.name + diag;
} else if (test.result && !test.todo) {
passed++;
cls = "test_ok";
msg = "passed | " + test.name + diag;
} else {
failed++;
cls = "test_not_ok";
msg = "failed | " + test.name + diag;
}
div = createEl('div', {'class': cls}, msg);
return div;
};
var results = [];
for (var d=0; d<SimpleTest._tests.length; d++) {
results.push(tallyAndCreateDiv(SimpleTest._tests[d]));
}
var summary_class = failed != 0 ? 'some_fail' :
passed == 0 ? 'todo_only' : 'all_pass';
var div1 = createEl('div', {'class': 'tests_report'});
var div2 = createEl('div', {'class': 'tests_summary ' + summary_class});
var div3 = createEl('div', {'class': 'tests_passed'}, 'Passed: ' + passed);
var div4 = createEl('div', {'class': 'tests_failed'}, 'Failed: ' + failed);
var div5 = createEl('div', {'class': 'tests_todo'}, 'Todo: ' + todo);
div2.appendChild(div3);
div2.appendChild(div4);
div2.appendChild(div5);
div1.appendChild(div2);
for (var t=0; t<results.length; t++) {
//iterate in order
div1.appendChild(results[t]);
}
return div1;
};
/**
* Toggle element visibility
**/
SimpleTest.toggle = function(el) {
if (computedStyle(el, 'display') == 'block') {
el.style.display = 'none';
} else {
el.style.display = 'block';
}
};
/**
* Toggle visibility for divs with a specific class.
**/
SimpleTest.toggleByClass = function (cls, evt) {
var children = document.getElementsByTagName('div');
var elements = [];
for (var i=0; i<children.length; i++) {
var child = children[i];
var clsName = child.className;
if (!clsName) {
continue;
}
var classNames = clsName.split(' ');
for (var j = 0; j < classNames.length; j++) {
if (classNames[j] == cls) {
elements.push(child);
break;
}
}
}
for (var t=0; t<elements.length; t++) {
//TODO: again, for-in loop over elems seems to break this
SimpleTest.toggle(elements[t]);
}
if (evt)
evt.preventDefault();
};
/**
* Shows the report in the browser
**/
SimpleTest.showReport = function() {
var togglePassed = createEl('a', {'href': '#'}, "Toggle passed checks");
var toggleFailed = createEl('a', {'href': '#'}, "Toggle failed checks");
var toggleTodo = createEl('a',{'href': '#'}, "Toggle todo checks");
togglePassed.onclick = partial(SimpleTest.toggleByClass, 'test_ok');
toggleFailed.onclick = partial(SimpleTest.toggleByClass, 'test_not_ok');
toggleTodo.onclick = partial(SimpleTest.toggleByClass, 'test_todo');
var body = document.body; // Handles HTML documents
if (!body) {
// Do the XML thing.
body = document.getElementsByTagNameNS("http://www.w3.org/1999/xhtml",
"body")[0];
}
var firstChild = body.childNodes[0];
var addNode;
if (firstChild) {
addNode = function (el) {
body.insertBefore(el, firstChild);
};
} else {
addNode = function (el) {
body.appendChild(el)
};
}
addNode(togglePassed);
addNode(createEl('span', null, " "));
addNode(toggleFailed);
addNode(createEl('span', null, " "));
addNode(toggleTodo);
addNode(SimpleTest.report());
// Add a separator from the test content.
addNode(createEl('hr'));
};
/**
* Tells SimpleTest to don't finish the test when the document is loaded,
* useful for asynchronous tests.
*
* When SimpleTest.waitForExplicitFinish is called,
* explicit SimpleTest.finish() is required.
**/
SimpleTest.waitForExplicitFinish = function () {
SimpleTest._stopOnLoad = false;
};
/**
* Multiply the timeout the parent runner uses for this test by the
* given factor.
*
* For example, in a test that may take a long time to complete, using
* "SimpleTest.requestLongerTimeout(5)" will give it 5 times as long to
* finish.
*/
SimpleTest.requestLongerTimeout = function (factor) {
if (parentRunner) {
parentRunner.requestLongerTimeout(factor);
}
}
/**
* Note that the given range of assertions is to be expected. When
* this function is not called, 0 assertions are expected. When only
* one argument is given, that number of assertions are expected.
*
* A test where we expect to have assertions (which should largely be a
* transitional mechanism to get assertion counts down from our current
* situation) can call the SimpleTest.expectAssertions() function, with
* either one or two arguments: one argument gives an exact number
* expected, and two arguments give a range. For example, a test might do
* one of the following:
*
* // Currently triggers two assertions (bug NNNNNN).
* SimpleTest.expectAssertions(2);
*
* // Currently triggers one assertion on Mac (bug NNNNNN).
* if (navigator.platform.indexOf("Mac") == 0) {
* SimpleTest.expectAssertions(1);
* }
*
* // Currently triggers two assertions on all platforms (bug NNNNNN),
* // but intermittently triggers two additional assertions (bug NNNNNN)
* // on Windows.
* if (navigator.platform.indexOf("Win") == 0) {
* SimpleTest.expectAssertions(2, 4);
* } else {
* SimpleTest.expectAssertions(2);
* }
*
* // Intermittently triggers up to three assertions (bug NNNNNN).
* SimpleTest.expectAssertions(0, 3);
*/
SimpleTest.expectAssertions = function(min, max) {
if (parentRunner) {
parentRunner.expectAssertions(min, max);
}
}
SimpleTest.waitForFocus_started = false;
SimpleTest.waitForFocus_loaded = false;
SimpleTest.waitForFocus_focused = false;
SimpleTest._pendingWaitForFocusCount = 0;
/**
* If the page is not yet loaded, waits for the load event. In addition, if
* the page is not yet focused, focuses and waits for the window to be
* focused. Calls the callback when completed. If the current page is
* 'about:blank', then the page is assumed to not yet be loaded. Pass true for
* expectBlankPage to not make this assumption if you expect a blank page to
* be present.
*
* targetWindow should be specified if it is different than 'window'. The actual
* focused window may be a descendant of targetWindow.
*
* @param callback
* function called when load and focus are complete
* @param targetWindow
* optional window to be loaded and focused, defaults to 'window'
* @param expectBlankPage
* true if targetWindow.location is 'about:blank'. Defaults to false
*/
SimpleTest.waitForFocus = function (callback, targetWindow, expectBlankPage) {
SimpleTest._pendingWaitForFocusCount++;
if (!targetWindow)
targetWindow = window;
SimpleTest.waitForFocus_started = false;
expectBlankPage = !!expectBlankPage;
var childTargetWindow = {};
SpecialPowers.getFocusedElementForWindow(targetWindow, true, childTargetWindow);
childTargetWindow = childTargetWindow.value;
function info(msg) {
SimpleTest.info(msg);
}
function getHref(aWindow) {
return SpecialPowers.getPrivilegedProps(aWindow, 'location.href');
}
function maybeRunTests() {
if (SimpleTest.waitForFocus_loaded &&
SimpleTest.waitForFocus_focused &&
!SimpleTest.waitForFocus_started) {
SimpleTest._pendingWaitForFocusCount--;
SimpleTest.waitForFocus_started = true;
setTimeout(callback, 0, targetWindow);
}
}
function waitForEvent(event) {
try {
// Check to make sure that this isn't a load event for a blank or
// non-blank page that wasn't desired.
if (event.type == "load" && (expectBlankPage != (event.target.location == "about:blank")))
return;
SimpleTest["waitForFocus_" + event.type + "ed"] = true;
var win = (event.type == "load") ? targetWindow : childTargetWindow;
win.removeEventListener(event.type, waitForEvent, true);
maybeRunTests();
} catch (e) {
SimpleTest.ok(false, "Exception caught in waitForEvent: " + e.message +
", at: " + e.fileName + " (" + e.lineNumber + ")");
}
}
// If the current document is about:blank and we are not expecting a blank
// page (or vice versa), and the document has not yet loaded, wait for the
// page to load. A common situation is to wait for a newly opened window
// to load its content, and we want to skip over any intermediate blank
// pages that load. This issue is described in bug 554873.
SimpleTest.waitForFocus_loaded =
(expectBlankPage == (getHref(targetWindow) == "about:blank")) &&
targetWindow.document.readyState == "complete";
if (!SimpleTest.waitForFocus_loaded) {
info("must wait for load");
targetWindow.addEventListener("load", waitForEvent, true);
}
// Check if the desired window is already focused.
var focusedChildWindow = { };
if (SpecialPowers.activeWindow()) {
SpecialPowers.getFocusedElementForWindow(SpecialPowers.activeWindow(), true, focusedChildWindow);
focusedChildWindow = focusedChildWindow.value;
}
// If this is a child frame, ensure that the frame is focused.
SimpleTest.waitForFocus_focused = (focusedChildWindow == childTargetWindow);
if (SimpleTest.waitForFocus_focused) {
// If the frame is already focused and loaded, call the callback directly.
maybeRunTests();
}
else {
info("must wait for focus");
childTargetWindow.addEventListener("focus", waitForEvent, true);
SpecialPowers.focus(childTargetWindow);
}
};
SimpleTest.waitForClipboard_polls = 0;
/*
* Polls the clipboard waiting for the expected value. A known value different than
* the expected value is put on the clipboard first (and also polled for) so we
* can be sure the value we get isn't just the expected value because it was already
* on the clipboard. This only uses the global clipboard and only for text/unicode
* values.
*
* @param aExpectedStringOrValidatorFn
* The string value that is expected to be on the clipboard or a
* validator function getting cripboard data and returning a bool.
* @param aSetupFn
* A function responsible for setting the clipboard to the expected value,
* called after the known value setting succeeds.
* @param aSuccessFn
* A function called when the expected value is found on the clipboard.
* @param aFailureFn
* A function called if the expected value isn't found on the clipboard
* within 5s. It can also be called if the known value can't be found.
* @param aFlavor [optional] The flavor to look for. Defaults to "text/unicode".
*/
SimpleTest.__waitForClipboardMonotonicCounter = 0;
SimpleTest.__defineGetter__("_waitForClipboardMonotonicCounter", function () {
return SimpleTest.__waitForClipboardMonotonicCounter++;
});
SimpleTest.waitForClipboard = function(aExpectedStringOrValidatorFn, aSetupFn,
aSuccessFn, aFailureFn, aFlavor) {
var requestedFlavor = aFlavor || "text/unicode";
// Build a default validator function for common string input.
var inputValidatorFn = typeof(aExpectedStringOrValidatorFn) == "string"
? function(aData) { return aData == aExpectedStringOrValidatorFn; }
: aExpectedStringOrValidatorFn;
// reset for the next use
function reset() {
SimpleTest.waitForClipboard_polls = 0;
}
function wait(validatorFn, successFn, failureFn, flavor) {
if (++SimpleTest.waitForClipboard_polls > 50) {
// Log the failure.
SimpleTest.ok(false, "Timed out while polling clipboard for pasted data.");
reset();
failureFn();
return;
}
var data = SpecialPowers.getClipboardData(flavor);
if (validatorFn(data)) {
// Don't show the success message when waiting for preExpectedVal
if (preExpectedVal)
preExpectedVal = null;
else
SimpleTest.ok(true, "Clipboard has the correct value");
reset();
successFn();
} else {
setTimeout(function() { return wait(validatorFn, successFn, failureFn, flavor); }, 100);
}
}
// First we wait for a known value different from the expected one.
var preExpectedVal = SimpleTest._waitForClipboardMonotonicCounter +
"-waitForClipboard-known-value";
SpecialPowers.clipboardCopyString(preExpectedVal);
wait(function(aData) { return aData == preExpectedVal; },
function() {
// Call the original setup fn
aSetupFn();
wait(inputValidatorFn, aSuccessFn, aFailureFn, requestedFlavor);
}, aFailureFn, "text/unicode");
}
/**
* Executes a function shortly after the call, but lets the caller continue
* working (or finish).
*/
SimpleTest.executeSoon = function(aFunc) {
if ("SpecialPowers" in window) {
return SpecialPowers.executeSoon(aFunc, window);
}
setTimeout(aFunc, 0);
}
/**
* Finishes the tests. This is automatically called, except when
* SimpleTest.waitForExplicitFinish() has been invoked.
**/
SimpleTest.finish = function () {
if (SimpleTest._alreadyFinished) {
SimpleTest.ok(false, "[SimpleTest.finish()] this test already called finish!");
}
SimpleTest._alreadyFinished = true;
if (SpecialPowers.DOMWindowUtils.isTestControllingRefreshes) {
SimpleTest.ok(false, "test left refresh driver under test control");
SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
}
if (SimpleTest._expectingUncaughtException) {
SimpleTest.ok(false, "expectUncaughtException was called but no uncaught exception was detected!");
}
if (SimpleTest._pendingWaitForFocusCount != 0) {
SimpleTest.is(SimpleTest._pendingWaitForFocusCount, 0,
"[SimpleTest.finish()] waitForFocus() was called a "
+ "different number of times from the number of "
+ "callbacks run. Maybe the test terminated "
+ "prematurely -- be sure to use "
+ "SimpleTest.waitForExplicitFinish().");
}
if (SimpleTest._tests.length == 0) {
SimpleTest.ok(false, "[SimpleTest.finish()] No checks actually run. "
+ "(You need to call ok(), is(), or similar "
+ "functions at least once. Make sure you use "
+ "SimpleTest.waitForExplicitFinish() if you need "
+ "it.)");
}
if (parentRunner) {
/* We're running in an iframe, and the parent has a TestRunner */
parentRunner.testFinished(SimpleTest._tests);
} else {
SimpleTest.showReport();
}
};
/**
* Monitor console output from now until endMonitorConsole is called.
*
* Expect to receive as many console messages as there are elements of
* |msgs|, an array; each element is an object which may have any
* number of the following properties:
* message, errorMessage, sourceName, sourceLine, category:
* string or regexp
* lineNumber, columnNumber: number
* isScriptError, isWarning, isException, isStrict: boolean
* Strings, numbers, and booleans must compare equal to the named
* property of the Nth console message. Regexps must match. Any
* fields present in the message but not in the pattern object are ignored.
*
* After endMonitorConsole is called, |continuation| will be called
* asynchronously. (Normally, you will want to pass |SimpleTest.finish| here.)
*
* It is incorrect to use this function in a test which has not called
* SimpleTest.waitForExplicitFinish.
*/
SimpleTest.monitorConsole = function (continuation, msgs) {
if (SimpleTest._stopOnLoad) {
ok(false, "Console monitoring requires use of waitForExplicitFinish.");
}
var counter = 0;
function listener(msg) {
if (msg.message === "SENTINEL" && !msg.isScriptError) {
is(counter, msgs.length, "monitorConsole | number of messages");
SimpleTest.executeSoon(continuation);
} else if (counter >= msgs.length) {
ok(false, "monitorConsole | extra message | " + JSON.stringify(msg));
} else {
var pat = msgs[counter];
for (k in pat) {
ok(k in msg, "monitorConsole | [" + counter + "]." + k + " present");
if (k in msg) {
if (pat[k] instanceof RegExp && typeof(msg[k]) === 'string') {
ok(pat[k].test(msg[k]),
"monitorConsole | [" + counter + "]." + k + " value - " +
msg[k].quote() + " contains /" + pat[k].source + "/");
} else {
ise(msg[k], pat[k],
"monitorConsole | [" + counter + "]." + k + " value");
}
}
}
counter++;
}
}
SpecialPowers.registerConsoleListener(listener);
};
/**
* Stop monitoring console output.
*/
SimpleTest.endMonitorConsole = function () {
SpecialPowers.postConsoleSentinel();
};
/**
* Run |testfn| synchronously, and monitor its console output.
*
* |msgs| is handled as described above for monitorConsole.
*
* After |testfn| returns, console monitoring will stop, and
* |continuation| will be called asynchronously.
*/
SimpleTest.expectConsoleMessages = function (testfn, msgs, continuation) {
SimpleTest.monitorConsole(continuation, msgs);
testfn();
SimpleTest.executeSoon(SimpleTest.endMonitorConsole);
};
/**
* Wrapper around |expectConsoleMessages| for the case where the test has
* only one |testfn| to run.
*/
SimpleTest.runTestExpectingConsoleMessages = function(testfn, msgs) {
SimpleTest.waitForExplicitFinish();
SimpleTest.expectConsoleMessages(testfn, msgs, SimpleTest.finish);
};
/**
* Indicates to the test framework that the current test expects one or
* more crashes (from plugins or IPC documents), and that the minidumps from
* those crashes should be removed.
*/
SimpleTest.expectChildProcessCrash = function () {
if (parentRunner) {
parentRunner.expectChildProcessCrash();
}
};
/**
* Indicates to the test framework that the next uncaught exception during
* the test is expected, and should not cause a test failure.
*/
SimpleTest.expectUncaughtException = function (aExpecting) {
SimpleTest._expectingUncaughtException = aExpecting === void 0 || !!aExpecting;
};
/**
* Returns whether the test has indicated that it expects an uncaught exception
* to occur.
*/
SimpleTest.isExpectingUncaughtException = function () {
return SimpleTest._expectingUncaughtException;
};
/**
* Indicates to the test framework that all of the uncaught exceptions
* during the test are known problems that should be fixed in the future,
* but which should not cause the test to fail currently.
*/
SimpleTest.ignoreAllUncaughtExceptions = function (aIgnoring) {
SimpleTest._ignoringAllUncaughtExceptions = aIgnoring === void 0 || !!aIgnoring;
};
/**
* Returns whether the test has indicated that all uncaught exceptions should be
* ignored.
*/
SimpleTest.isIgnoringAllUncaughtExceptions = function () {
return SimpleTest._ignoringAllUncaughtExceptions;
};
/**
* Resets any state this SimpleTest object has. This is important for
* browser chrome mochitests, which reuse the same SimpleTest object
* across a run.
*/
SimpleTest.reset = function () {
SimpleTest._ignoringAllUncaughtExceptions = false;
SimpleTest._expectingUncaughtException = false;
};
if (isPrimaryTestWindow) {
addLoadEvent(function() {
if (SimpleTest._stopOnLoad) {
SimpleTest.finish();
}
});
}
// --------------- Test.Builder/Test.More isDeeply() -----------------
SimpleTest.DNE = {dne: 'Does not exist'};
SimpleTest.LF = "\r\n";
SimpleTest._isRef = function (object) {
var type = typeof(object);
return type == 'object' || type == 'function';
};
SimpleTest._deepCheck = function (e1, e2, stack, seen) {
var ok = false;
// Either they're both references or both not.
var sameRef = !(!SimpleTest._isRef(e1) ^ !SimpleTest._isRef(e2));
if (e1 == null && e2 == null) {
ok = true;
} else if (e1 != null ^ e2 != null) {
ok = false;
} else if (e1 == SimpleTest.DNE ^ e2 == SimpleTest.DNE) {
ok = false;
} else if (sameRef && e1 == e2) {
// Handles primitives and any variables that reference the same
// object, including functions.
ok = true;
} else if (SimpleTest.isa(e1, 'Array') && SimpleTest.isa(e2, 'Array')) {
ok = SimpleTest._eqArray(e1, e2, stack, seen);
} else if (typeof e1 == "object" && typeof e2 == "object") {
ok = SimpleTest._eqAssoc(e1, e2, stack, seen);
} else if (typeof e1 == "number" && typeof e2 == "number"
&& isNaN(e1) && isNaN(e2)) {
ok = true;
} else {
// If we get here, they're not the same (function references must
// always simply reference the same function).
stack.push({ vals: [e1, e2] });
ok = false;
}
return ok;
};
SimpleTest._eqArray = function (a1, a2, stack, seen) {
// Return if they're the same object.
if (a1 == a2) return true;
// JavaScript objects have no unique identifiers, so we have to store
// references to them all in an array, and then compare the references
// directly. It's slow, but probably won't be much of an issue in
// practice. Start by making a local copy of the array to as to avoid
// confusing a reference seen more than once (such as [a, a]) for a
// circular reference.
for (var j = 0; j < seen.length; j++) {
if (seen[j][0] == a1) {
return seen[j][1] == a2;
}
}
// If we get here, we haven't seen a1 before, so store it with reference
// to a2.
seen.push([ a1, a2 ]);
var ok = true;
// Only examines enumerable attributes. Only works for numeric arrays!
// Associative arrays return 0. So call _eqAssoc() for them, instead.
var max = a1.length > a2.length ? a1.length : a2.length;
if (max == 0) return SimpleTest._eqAssoc(a1, a2, stack, seen);
for (var i = 0; i < max; i++) {
var e1 = i > a1.length - 1 ? SimpleTest.DNE : a1[i];
var e2 = i > a2.length - 1 ? SimpleTest.DNE : a2[i];
stack.push({ type: 'Array', idx: i, vals: [e1, e2] });
ok = SimpleTest._deepCheck(e1, e2, stack, seen);
if (ok) {
stack.pop();
} else {
break;
}
}
return ok;
};
SimpleTest._eqAssoc = function (o1, o2, stack, seen) {
// Return if they're the same object.
if (o1 == o2) return true;
// JavaScript objects have no unique identifiers, so we have to store
// references to them all in an array, and then compare the references
// directly. It's slow, but probably won't be much of an issue in
// practice. Start by making a local copy of the array to as to avoid
// confusing a reference seen more than once (such as [a, a]) for a
// circular reference.
seen = seen.slice(0);
for (var j = 0; j < seen.length; j++) {
if (seen[j][0] == o1) {
return seen[j][1] == o2;
}
}
// If we get here, we haven't seen o1 before, so store it with reference
// to o2.
seen.push([ o1, o2 ]);
// They should be of the same class.
var ok = true;
// Only examines enumerable attributes.
var o1Size = 0; for (var i in o1) o1Size++;
var o2Size = 0; for (var i in o2) o2Size++;
var bigger = o1Size > o2Size ? o1 : o2;
for (var i in bigger) {
var e1 = o1[i] == undefined ? SimpleTest.DNE : o1[i];
var e2 = o2[i] == undefined ? SimpleTest.DNE : o2[i];
stack.push({ type: 'Object', idx: i, vals: [e1, e2] });
ok = SimpleTest._deepCheck(e1, e2, stack, seen)
if (ok) {
stack.pop();
} else {
break;
}
}
return ok;
};
SimpleTest._formatStack = function (stack) {
var variable = '$Foo';
for (var i = 0; i < stack.length; i++) {
var entry = stack[i];
var type = entry['type'];
var idx = entry['idx'];
if (idx != null) {
if (/^\d+$/.test(idx)) {
// Numeric array index.
variable += '[' + idx + ']';
} else {
// Associative array index.
idx = idx.replace("'", "\\'");
variable += "['" + idx + "']";
}
}
}
var vals = stack[stack.length-1]['vals'].slice(0, 2);
var vars = [
variable.replace('$Foo', 'got'),
variable.replace('$Foo', 'expected')
];
var out = "Structures begin differing at:" + SimpleTest.LF;
for (var i = 0; i < vals.length; i++) {
var val = vals[i];
if (val == null) {
val = 'undefined';
} else {
val == SimpleTest.DNE ? "Does not exist" : "'" + val + "'";
}
}
out += vars[0] + ' = ' + vals[0] + SimpleTest.LF;
out += vars[1] + ' = ' + vals[1] + SimpleTest.LF;
return ' ' + out;
};
SimpleTest.isDeeply = function (it, as, name) {
var ok;
// ^ is the XOR operator.
if (SimpleTest._isRef(it) ^ SimpleTest._isRef(as)) {
// One's a reference, one isn't.
ok = false;
} else if (!SimpleTest._isRef(it) && !SimpleTest._isRef(as)) {
// Neither is an object.
ok = SimpleTest.is(it, as, name);
} else {
// We have two objects. Do a deep comparison.
var stack = [], seen = [];
if ( SimpleTest._deepCheck(it, as, stack, seen)) {
ok = SimpleTest.ok(true, name);
} else {
ok = SimpleTest.ok(false, name, SimpleTest._formatStack(stack));
}
}
return ok;
};
SimpleTest.typeOf = function (object) {
var c = Object.prototype.toString.apply(object);
var name = c.substring(8, c.length - 1);
if (name != 'Object') return name;
// It may be a non-core class. Try to extract the class name from
// the constructor function. This may not work in all implementations.
if (/function ([^(\s]+)/.test(Function.toString.call(object.constructor))) {
return RegExp.$1;
}
// No idea. :-(
return name;
};
SimpleTest.isa = function (object, clas) {
return SimpleTest.typeOf(object) == clas;
};
// Global symbols:
var ok = SimpleTest.ok;
var is = SimpleTest.is;
var isnot = SimpleTest.isnot;
var ise = SimpleTest.ise;
var todo = SimpleTest.todo;
var todo_is = SimpleTest.todo_is;
var todo_isnot = SimpleTest.todo_isnot;
var isDeeply = SimpleTest.isDeeply;
var info = SimpleTest.info;
var gOldOnError = window.onerror;
window.onerror = function simpletestOnerror(errorMsg, url, lineNumber) {
// Log the message.
// XXX Chrome mochitests sometimes trigger this window.onerror handler,
// but there are a number of uncaught JS exceptions from those tests.
// For now, for tests that self identify as having unintentional uncaught
// exceptions, just dump it so that the error is visible but doesn't cause
// a test failure. See bug 652494.
var isExpected = !!SimpleTest._expectingUncaughtException;
var message = (isExpected ? "expected " : "") + "uncaught exception";
var error = errorMsg + " at " + url + ":" + lineNumber;
if (!SimpleTest._ignoringAllUncaughtExceptions) {
SimpleTest.ok(isExpected, message, error);
SimpleTest._expectingUncaughtException = false;
} else {
SimpleTest.todo(false, message + ": " + error);
}
// There is no Components.stack.caller to log. (See bug 511888.)
// Call previous handler.
if (gOldOnError) {
try {
// Ignore return value: always run default handler.
gOldOnError(errorMsg, url, lineNumber);
} catch (e) {
// Log the error.
SimpleTest.info("Exception thrown by gOldOnError(): " + e);
// Log its stack.
if (e.stack) {
SimpleTest.info("JavaScript error stack:\n" + e.stack);
}
}
}
if (!SimpleTest._stopOnLoad && !isExpected) {
// Need to finish() manually here, yet let the test actually end first.
SimpleTest.executeSoon(SimpleTest.finish);
}
};