Dactyloidae/mobile/android/tests/browser/robocop/robocop_head.js

829 lines
25 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* 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/. */
// The test js is shared between sandboxed (which has no SpecialPowers object)
// and content mochitests (where the |Components| object is accessible only as
// SpecialPowers.Components). Expose Components if necessary here to make things
// work everywhere.
//
// Even if the real |Components| doesn't exist, we might shim in a simple JS
// placebo for compat. An easy way to differentiate this from the real thing
// is whether the property is read-only or not.
{
let c = Object.getOwnPropertyDescriptor(this, 'Components');
if ((!c.value || c.writable) && typeof SpecialPowers === 'object')
Components = SpecialPowers.wrap(SpecialPowers.Components);
}
/*
* This file contains common code that is loaded before each test file(s).
* See http://developer.mozilla.org/en/docs/Writing_xpcshell-based_unit_tests
* for more information.
*/
var _quit = false;
var _tests_pending = 0;
var _pendingTimers = [];
var _cleanupFunctions = [];
function _dump(str) {
let start = /^TEST-/.test(str) ? "\n" : "";
dump(start + str);
}
// Disable automatic network detection, so tests work correctly when
// not connected to a network.
{
let ios = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService2);
ios.manageOfflineStatus = false;
ios.offline = false;
}
// Determine if we're running on parent or child
var runningInParent = true;
try {
runningInParent = Components.classes["@mozilla.org/xre/runtime;1"].
getService(Components.interfaces.nsIXULRuntime).processType
== Components.interfaces.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
}
catch (e) { }
try {
if (runningInParent) {
let prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
// disable necko IPC security checks for xpcshell, as they lack the
// docshells needed to pass them
prefs.setBoolPref("network.disable.ipc.security", true);
// Disable IPv6 lookups for 'localhost' on windows.
if ("@mozilla.org/windows-registry-key;1" in Components.classes) {
prefs.setCharPref("network.dns.ipv4OnlyDomains", "localhost");
}
}
}
catch (e) { }
/**
* Date.now() is not necessarily monotonically increasing (insert sob story
* about times not being the right tool to use for measuring intervals of time,
* robarnold can tell all), so be wary of error by erring by at least
* _timerFuzz ms.
*/
const _timerFuzz = 15;
function _Timer(func, delay) {
delay = Number(delay);
if (delay < 0)
do_throw("do_timeout() delay must be nonnegative");
if (typeof func !== "function")
do_throw("string callbacks no longer accepted; use a function!");
this._func = func;
this._start = Date.now();
this._delay = delay;
var timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
timer.initWithCallback(this, delay + _timerFuzz, timer.TYPE_ONE_SHOT);
// Keep timer alive until it fires
_pendingTimers.push(timer);
}
_Timer.prototype = {
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsITimerCallback) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
notify: function(timer) {
_pendingTimers.splice(_pendingTimers.indexOf(timer), 1);
// The current nsITimer implementation can undershoot, but even if it
// couldn't, paranoia is probably a virtue here given the potential for
// random orange on tinderboxen.
var end = Date.now();
var elapsed = end - this._start;
if (elapsed >= this._delay) {
try {
this._func.call(null);
} catch (e) {
do_throw("exception thrown from do_timeout callback: " + e);
}
return;
}
// Timer undershot, retry with a little overshoot to try to avoid more
// undershoots.
var newDelay = this._delay - elapsed;
do_timeout(newDelay, this._func);
}
};
function _do_quit() {
_dump("TEST-INFO | (xpcshell/head.js) | exiting test\n");
_quit = true;
}
function _dump_exception_stack(stack) {
stack.split("\n").forEach(function(frame) {
if (!frame)
return;
// frame is of the form "fname(args)@file:line"
let frame_regexp = new RegExp("(.*)\\(.*\\)@(.*):(\\d*)", "g");
let parts = frame_regexp.exec(frame);
if (parts)
dump("JS frame :: " + parts[2] + " :: " + (parts[1] ? parts[1] : "anonymous")
+ " :: line " + parts[3] + "\n");
else /* Could be a -e (command line string) style location. */
dump("JS frame :: " + frame + "\n");
});
}
/************** Functions to be used from the tests **************/
/**
* Prints a message to the output log.
*/
function do_print(msg) {
var caller_stack = Components.stack.caller;
_dump("TEST-INFO | " + caller_stack.filename + " | " + msg + "\n");
}
/**
* Calls the given function at least the specified number of milliseconds later.
* The callback will not undershoot the given time, but it might overshoot --
* don't expect precision!
*
* @param delay : uint
* the number of milliseconds to delay
* @param callback : function() : void
* the function to call
*/
function do_timeout(delay, func) {
new _Timer(func, Number(delay));
}
function do_execute_soon(callback) {
do_test_pending();
var tm = Components.classes["@mozilla.org/thread-manager;1"]
.getService(Components.interfaces.nsIThreadManager);
tm.mainThread.dispatch({
run: function() {
try {
callback();
} catch (e) {
// do_check failures are already logged and set _quit to true and throw
// NS_ERROR_ABORT. If both of those are true it is likely this exception
// has already been logged so there is no need to log it again. It's
// possible that this will mask an NS_ERROR_ABORT that happens after a
// do_check failure though.
if (!_quit || e != Components.results.NS_ERROR_ABORT) {
_dump("TEST-UNEXPECTED-FAIL | (xpcshell/head.js) | " + e);
if (e.stack) {
dump(" - See following stack:\n");
_dump_exception_stack(e.stack);
}
else {
dump("\n");
}
_do_quit();
}
}
finally {
do_test_finished();
}
}
}, Components.interfaces.nsIThread.DISPATCH_NORMAL);
}
function do_throw(text, stack) {
if (!stack)
stack = Components.stack.caller;
_dump("TEST-UNEXPECTED-FAIL | " + stack.filename + " | " + text +
" - See following stack:\n");
var frame = Components.stack;
while (frame != null) {
_dump(frame + "\n");
frame = frame.caller;
}
_do_quit();
throw Components.results.NS_ERROR_ABORT;
}
function do_throw_todo(text, stack) {
if (!stack)
stack = Components.stack.caller;
_dump("TEST-UNEXPECTED-PASS | " + stack.filename + " | " + text +
" - See following stack:\n");
var frame = Components.stack;
while (frame != null) {
_dump(frame + "\n");
frame = frame.caller;
}
_do_quit();
throw Components.results.NS_ERROR_ABORT;
}
function do_report_unexpected_exception(ex, text) {
var caller_stack = Components.stack.caller;
text = text ? text + " - " : "";
_dump("TEST-UNEXPECTED-FAIL | " + caller_stack.filename + " | " + text +
"Unexpected exception " + ex + ", see following stack:\n" + ex.stack +
"\n");
_do_quit();
throw Components.results.NS_ERROR_ABORT;
}
function do_note_exception(ex, text) {
var caller_stack = Components.stack.caller;
text = text ? text + " - " : "";
_dump("TEST-INFO | " + caller_stack.filename + " | " + text +
"Swallowed exception " + ex + ", see following stack:\n" + ex.stack +
"\n");
}
function _do_check_neq(left, right, stack, todo) {
if (!stack)
stack = Components.stack.caller;
var text = left + " != " + right;
if (left == right) {
if (!todo) {
do_throw(text, stack);
} else {
_dump("TEST-KNOWN-FAIL | " + stack.filename + " | [" + stack.name +
" : " + stack.lineNumber + "] " + text +"\n");
}
} else {
if (!todo) {
_dump("TEST-PASS | " + stack.filename + " | [" + stack.name + " : " +
stack.lineNumber + "] " + text + "\n");
} else {
do_throw_todo(text, stack);
}
}
}
function do_check_neq(left, right, stack) {
if (!stack)
stack = Components.stack.caller;
_do_check_neq(left, right, stack, false);
}
function todo_check_neq(left, right, stack) {
if (!stack)
stack = Components.stack.caller;
_do_check_neq(left, right, stack, true);
}
function do_report_result(passed, text, stack, todo) {
if (passed) {
if (todo) {
do_throw_todo(text, stack);
} else {
_dump("TEST-PASS | " + stack.filename + " | [" + stack.name + " : " +
stack.lineNumber + "] " + text + "\n");
}
} else {
if (todo) {
_dump("TEST-KNOWN-FAIL | " + stack.filename + " | [" + stack.name +
" : " + stack.lineNumber + "] " + text +"\n");
} else {
do_throw(text, stack);
}
}
}
/**
* Checks for a true condition, with a success message.
*/
function ok(condition, msg) {
do_report_result(condition, msg, Components.stack.caller, false);
}
/**
* Checks for a condition equality, with a success message.
*/
function is(left, right, msg) {
do_report_result(left === right, "[ " + left + " === " + right + " ] " + msg,
Components.stack.caller, false);
}
function _do_check_eq(left, right, stack, todo) {
if (!stack)
stack = Components.stack.caller;
var text = left + " == " + right;
do_report_result(left == right, text, stack, todo);
}
function do_check_eq(left, right, stack) {
if (!stack)
stack = Components.stack.caller;
_do_check_eq(left, right, stack, false);
}
function todo_check_eq(left, right, stack) {
if (!stack)
stack = Components.stack.caller;
_do_check_eq(left, right, stack, true);
}
function do_check_true(condition, stack) {
if (!stack)
stack = Components.stack.caller;
do_check_eq(condition, true, stack);
}
function todo_check_true(condition, stack) {
if (!stack)
stack = Components.stack.caller;
todo_check_eq(condition, true, stack);
}
function do_check_false(condition, stack) {
if (!stack)
stack = Components.stack.caller;
do_check_eq(condition, false, stack);
}
function todo_check_false(condition, stack) {
if (!stack)
stack = Components.stack.caller;
todo_check_eq(condition, false, stack);
}
function do_check_null(condition, stack=Components.stack.caller) {
do_check_eq(condition, null, stack);
}
function todo_check_null(condition, stack=Components.stack.caller) {
todo_check_eq(condition, null, stack);
}
/**
* Check that |value| matches |pattern|.
*
* A |value| matches a pattern |pattern| if any one of the following is true:
*
* - |value| and |pattern| are both objects; |pattern|'s enumerable
* properties' values are valid patterns; and for each enumerable
* property |p| of |pattern|, plus 'length' if present at all, |value|
* has a property |p| whose value matches |pattern.p|. Note that if |j|
* has other properties not present in |p|, |j| may still match |p|.
*
* - |value| and |pattern| are equal string, numeric, or boolean literals
*
* - |pattern| is |undefined| (this is a wildcard pattern)
*
* - typeof |pattern| == "function", and |pattern(value)| is true.
*
* For example:
*
* do_check_matches({x:1}, {x:1}) // pass
* do_check_matches({x:1}, {}) // fail: all pattern props required
* do_check_matches({x:1}, {x:2}) // fail: values must match
* do_check_matches({x:1}, {x:1, y:2}) // pass: extra props tolerated
*
* // Property order is irrelevant.
* do_check_matches({x:"foo", y:"bar"}, {y:"bar", x:"foo"}) // pass
*
* do_check_matches({x:undefined}, {x:1}) // pass: 'undefined' is wildcard
* do_check_matches({x:undefined}, {x:2})
* do_check_matches({x:undefined}, {y:2}) // fail: 'x' must still be there
*
* // Patterns nest.
* do_check_matches({a:1, b:{c:2,d:undefined}}, {a:1, b:{c:2,d:3}})
*
* // 'length' property counts, even if non-enumerable.
* do_check_matches([3,4,5], [3,4,5]) // pass
* do_check_matches([3,4,5], [3,5,5]) // fail; value doesn't match
* do_check_matches([3,4,5], [3,4,5,6]) // fail; length doesn't match
*
* // functions in patterns get applied.
* do_check_matches({foo:v => v.length == 2}, {foo:"hi"}) // pass
* do_check_matches({foo:v => v.length == 2}, {bar:"hi"}) // fail
* do_check_matches({foo:v => v.length == 2}, {foo:"hello"}) // fail
*
* // We don't check constructors, prototypes, or classes. However, if
* // pattern has a 'length' property, we require values to match that as
* // well, even if 'length' is non-enumerable in the pattern. So arrays
* // are useful as patterns.
* do_check_matches({0:0, 1:1, length:2}, [0,1]) // pass
* do_check_matches({0:1}, [1,2]) // pass
* do_check_matches([0], {0:0, length:1}) // pass
*
* Notes:
*
* The 'length' hack gives us reasonably intuitive handling of arrays.
*
* This is not a tight pattern-matcher; it's only good for checking data
* from well-behaved sources. For example:
* - By default, we don't mind values having extra properties.
* - We don't check for proxies or getters.
* - We don't check the prototype chain.
* However, if you know the values are, say, JSON, which is pretty
* well-behaved, and if you want to tolerate additional properties
* appearing on the JSON for backward-compatibility, then do_check_matches
* is ideal. If you do want to be more careful, you can use function
* patterns to implement more stringent checks.
*/
function do_check_matches(pattern, value, stack=Components.stack.caller, todo=false) {
var matcher = pattern_matcher(pattern);
var text = "VALUE: " + uneval(value) + "\nPATTERN: " + uneval(pattern) + "\n";
var diagnosis = []
if (matcher(value, diagnosis)) {
do_report_result(true, "value matches pattern:\n" + text, stack, todo);
} else {
text = ("value doesn't match pattern:\n" +
text +
"DIAGNOSIS: " +
format_pattern_match_failure(diagnosis[0]) + "\n");
do_report_result(false, text, stack, todo);
}
}
function todo_check_matches(pattern, value, stack=Components.stack.caller) {
do_check_matches(pattern, value, stack, true);
}
// Return a pattern-matching function of one argument, |value|, that
// returns true if |value| matches |pattern|.
//
// If the pattern doesn't match, and the pattern-matching function was
// passed its optional |diagnosis| argument, the pattern-matching function
// sets |diagnosis|'s '0' property to a JSON-ish description of the portion
// of the pattern that didn't match, which can be formatted legibly by
// format_pattern_match_failure.
function pattern_matcher(pattern) {
function explain(diagnosis, reason) {
if (diagnosis) {
diagnosis[0] = reason;
}
return false;
}
if (typeof pattern == "function") {
return pattern;
} else if (typeof pattern == "object" && pattern) {
var matchers = [];
for (let p in pattern) {
matchers.push([p, pattern_matcher(pattern[p])]);
}
// Kludge: include 'length', if not enumerable. (If it is enumerable,
// we picked it up in the array comprehension, above.
ld = Object.getOwnPropertyDescriptor(pattern, 'length');
if (ld && !ld.enumerable) {
matchers.push(['length', pattern_matcher(pattern.length)])
}
return function (value, diagnosis) {
if (!(value && typeof value == "object")) {
return explain(diagnosis, "value not object");
}
for (let [p, m] of matchers) {
var element_diagnosis = [];
if (!(p in value && m(value[p], element_diagnosis))) {
return explain(diagnosis, { property:p,
diagnosis:element_diagnosis[0] });
}
}
return true;
};
} else if (pattern === undefined) {
return function(value) { return true; };
} else {
return function (value, diagnosis) {
if (value !== pattern) {
return explain(diagnosis, "pattern " + uneval(pattern) + " not === to value " + uneval(value));
}
return true;
};
}
}
// Format an explanation for a pattern match failure, as stored in the
// second argument to a matching function.
function format_pattern_match_failure(diagnosis, indent="") {
var a;
if (!diagnosis) {
a = "Matcher did not explain reason for mismatch.";
} else if (typeof diagnosis == "string") {
a = diagnosis;
} else if (diagnosis.property) {
a = "Property " + uneval(diagnosis.property) + " of object didn't match:\n";
a += format_pattern_match_failure(diagnosis.diagnosis, indent + " ");
}
return indent + a;
}
function do_test_pending() {
++_tests_pending;
_dump("TEST-INFO | (xpcshell/head.js) | test " + _tests_pending +
" pending\n");
}
function do_test_finished() {
_dump("TEST-INFO | (xpcshell/head.js) | test " + _tests_pending +
" finished\n");
if (--_tests_pending == 0) {
_do_execute_cleanup();
_do_quit();
}
}
function do_get_file(path, allowNonexistent) {
try {
let lf = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("CurWorkD", Components.interfaces.nsILocalFile);
let bits = path.split("/");
for (let i = 0; i < bits.length; i++) {
if (bits[i]) {
if (bits[i] == "..")
lf = lf.parent;
else
lf.append(bits[i]);
}
}
if (!allowNonexistent && !lf.exists()) {
// Not using do_throw(): caller will continue.
var stack = Components.stack.caller;
_dump("TEST-UNEXPECTED-FAIL | " + stack.filename + " | [" +
stack.name + " : " + stack.lineNumber + "] " + lf.path +
" does not exist\n");
}
return lf;
}
catch (ex) {
do_throw(ex.toString(), Components.stack.caller);
}
return null;
}
// do_get_cwd() isn't exactly self-explanatory, so provide a helper
function do_get_cwd() {
return do_get_file("");
}
function do_load_manifest(path) {
var lf = do_get_file(path);
const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
do_check_true(Components.manager instanceof nsIComponentRegistrar);
Components.manager.autoRegister(lf);
}
/**
* Registers a function that will run when the test harness is done running all
* tests.
*
* @param aFunction
* The function to be called when the test harness has finished running.
*/
function do_register_cleanup(func) {
_dump("TEST-INFO | " + _TEST_FILE + " | " +
(_gRunningTest ? _gRunningTest.name + " " : "") +
"registering cleanup function.");
_cleanupFunctions.push(func);
}
/**
* Execute a function when the test harness is done running all tests.
*/
function _do_execute_cleanup() {
let func;
while ((func = _cleanupFunctions.pop())) {
_dump("TEST-INFO | " + _TEST_FILE + " | executing cleanup function.");
func();
}
}
/**
* Add a test function to the list of tests that are to be run asynchronously.
*
* Each test function must call run_next_test() when it's done. Test files
* should call run_next_test() in their run_test function to execute all
* async tests.
*
* @return the test function that was passed in.
*/
var _gTests = [];
function add_test(func) {
_gTests.push([false, func]);
return func;
}
// We lazy import Task.jsm so we don't incur a run-time penalty for all tests.
var _Task;
/**
* Add a test function which is a Task function.
*
* Task functions are functions fed into Task.jsm's Task.spawn(). They are
* generators that emit promises.
*
* If an exception is thrown, a do_check_* comparison fails, or if a rejected
* promise is yielded, the test function aborts immediately and the test is
* reported as a failure.
*
* Unlike add_test(), there is no need to call run_next_test(). The next test
* will run automatically as soon the task function is exhausted. To trigger
* premature (but successful) termination of the function, simply return or
* throw a Task.Result instance.
*
* Example usage:
*
* add_task(function test() {
* let result = yield Promise.resolve(true);
*
* do_check_true(result);
*
* let secondary = yield someFunctionThatReturnsAPromise(result);
* do_check_eq(secondary, "expected value");
* });
*
* add_task(function test_early_return() {
* let result = yield somethingThatReturnsAPromise();
*
* if (!result) {
* // Test is ended immediately, with success.
* return;
* }
*
* do_check_eq(result, "foo");
* });
*/
function add_task(func) {
if (!_Task) {
let ns = {};
_Task = Components.utils.import("resource://gre/modules/Task.jsm", ns).Task;
}
_gTests.push([true, func]);
}
/**
* Runs the next test function from the list of async tests.
*/
var _gRunningTest = null;
var _gTestIndex = 0; // The index of the currently running test.
function run_next_test()
{
function _run_next_test()
{
if (_gTestIndex < _gTests.length) {
do_test_pending();
let _isTask;
[_isTask, _gRunningTest] = _gTests[_gTestIndex++];
_dump("TEST-INFO | " + _TEST_FILE + " | Starting " + _gRunningTest.name);
if (_isTask) {
_Task.spawn(_gRunningTest)
.then(run_next_test, do_report_unexpected_exception);
} else {
// Exceptions do not kill asynchronous tests, so they'll time out.
try {
_gRunningTest();
} catch (e) {
do_throw(e);
}
}
}
}
// For sane stacks during failures, we execute this code soon, but not now.
// We do this now, before we call do_test_finished(), to ensure the pending
// counter (_tests_pending) never reaches 0 while we still have tests to run
// (do_execute_soon bumps that counter).
do_execute_soon(_run_next_test);
if (_gRunningTest !== null) {
// Close the previous test do_test_pending call.
do_test_finished();
}
}
/**
* End of code adapted from xpcshell head.js
*/
/**
* JavaBridge facilitates communication between Java and JS. See
* JavascriptBridge.java for the corresponding JavascriptBridge and docs.
*/
function JavaBridge(obj) {
this._EVENT_TYPE = "Robocop:JS";
this._target = obj;
// The number of replies needed to answer all outstanding sync calls.
this._repliesNeeded = 0;
this._Services.obs.addObserver(this, this._EVENT_TYPE, false);
this._sendMessage("notify-loaded", []);
};
JavaBridge.prototype = {
_Services: Components.utils.import(
"resource://gre/modules/Services.jsm", {}).Services,
_sendMessageToJava: Components.utils.import(
"resource://gre/modules/Messaging.jsm", {}).Messaging.sendRequest,
_sendMessage: function (innerType, args) {
this._sendMessageToJava({
type: this._EVENT_TYPE,
innerType: innerType,
method: args[0],
args: Array.prototype.slice.call(args, 1),
});
},
observe: function(subject, topic, data) {
let message = JSON.parse(data);
if (message.innerType === "sync-reply") {
// Reply to our Javascript-to-Java sync call
this._repliesNeeded--;
return;
}
// Call the corresponding method on the target
try {
this._target[message.method].apply(this._target, message.args);
} catch (e) {
do_report_unexpected_exception(e, "Failed to call " + message.method);
}
if (message.innerType === "sync-call") {
// Reply for sync message
this._sendMessage("sync-reply", [message.method]);
}
},
/**
* Synchronously call a method in Java,
* given the method name followed by a list of arguments.
*/
syncCall: function (methodName /*, ... */) {
this._sendMessage("sync-call", arguments);
let thread = this._Services.tm.currentThread;
let initialReplies = this._repliesNeeded;
// Need one more reply to answer the current sync call.
this._repliesNeeded++;
// Wait for the reply to arrive. Normally we would not want to
// spin the event loop, but here we're in a test and our API
// specifies a synchronous call, so we spin the loop to wait for
// the call to finish.
while (this._repliesNeeded > initialReplies) {
thread.processNextEvent(true);
}
},
/**
* Asynchronously call a method in Java,
* given the method name followed by a list of arguments.
*/
asyncCall: function (methodName /*, ... */) {
this._sendMessage("async-call", arguments);
},
/**
* Disconnect with Java.
*/
disconnect: function () {
this._Services.obs.removeObserver(this, this._EVENT_TYPE);
},
};