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/**
* 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
*
**/
if (typeof(SimpleTest) == "undefined") {
var SimpleTest = {};
}
var parentRunner = null;
if (typeof(parent) != "undefined" && parent.TestRunner) {
parentRunner = parent.TestRunner;
} else if (parent && parent.wrappedJSObject &&
parent.wrappedJSObject.TestRunner) {
parentRunner = parent.wrappedJSObject.TestRunner;
}
// Check to see if the TestRunner is present and has logging
if (parentRunner) {
SimpleTest._logEnabled = parentRunner.logEnabled;
}
SimpleTest._tests = [];
SimpleTest._stopOnLoad = true;
/**
* Something like assert.
**/
SimpleTest.ok = function (condition, name) {
if (arguments.length > 2) {
const diag = "Too many arguments passed to `ok(condition, name)`";
SimpleTest.record(false, name, diag);
} else {
SimpleTest.record(condition, name);
}
}
SimpleTest.record = function (condition, name, diag) {
var test = {'result': !!condition, 'name': name, 'diag': diag || ""};
if (SimpleTest._logEnabled)
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 repr = MochiKit.Base.repr;
SimpleTest.record(a == b, name, "got " + repr(a) + ", expected " + repr(b));
};
SimpleTest.isnot = function (a, b, name) {
var repr = MochiKit.Base.repr;
SimpleTest.record(a != b, name, "Didn't expect " + repr(a) + ", but got it.");
};
// --------------- Test.Builder/Test.More todo() -----------------
SimpleTest.todo = function(condition, name, diag) {
var test = {'result': !!condition, 'name': name, 'diag': diag || "", todo: true};
if (SimpleTest._logEnabled)
SimpleTest._logResult(test, "TEST-UNEXPECTED-PASS", "TEST-KNOWN-FAIL");
SimpleTest._tests.push(test);
};
SimpleTest._logResult = function(test, passString, failString) {
var msg = test.result ? passString : failString;
msg += " | ";
if (parentRunner.currentTestURL)
msg += parentRunner.currentTestURL;
msg += " | " + test.name;
var diag = "";
if (test.diag)
diag = " - " + test.diag;
if (test.result) {
if (test.todo)
parentRunner.logger.error(msg + diag);
else
parentRunner.logger.log(msg);
} else {
if (test.todo)
parentRunner.logger.log(msg);
else
parentRunner.logger.error(msg + diag);
}
};
/**
* Copies of is and isnot with the call to ok replaced by a call to todo.
**/
SimpleTest.todo_is = function (a, b, name) {
var repr = MochiKit.Base.repr;
SimpleTest.todo(a == b, name, "got " + repr(a) + ", expected " + repr(b));
};
SimpleTest.todo_isnot = function (a, b, name) {
var repr = MochiKit.Base.repr;
SimpleTest.todo(a != b, name, "Didn't expect " + repr(a) + ", but got it.");
};
/**
* Makes a test report, returns it as a DIV element.
**/
SimpleTest.report = function () {
var DIV = MochiKit.DOM.DIV;
var passed = 0;
var failed = 0;
var todo = 0;
var results = MochiKit.Base.map(
function (test) {
var cls, msg;
if (test.todo && !test.result) {
todo++;
cls = "test_todo";
msg = "todo - " + test.name + " " + test.diag;
} else if (test.result &&!test.todo) {
passed++;
cls = "test_ok";
msg = "ok - " + test.name;
} else {
failed++;
cls = "test_not_ok";
msg = "not ok - " + test.name + " " + test.diag;
}
return DIV({"class": cls}, msg);
},
SimpleTest._tests
);
var summary_class = ((failed == 0) ? 'all_pass' : 'some_fail');
return DIV({'class': 'tests_report'},
DIV({'class': 'tests_summary ' + summary_class},
DIV({'class': 'tests_passed'}, "Passed: " + passed),
DIV({'class': 'tests_failed'}, "Failed: " + failed),
DIV({'class': 'tests_todo'}, "Todo: " + todo)),
results
);
};
/**
* Toggle element visibility
**/
SimpleTest.toggle = function(el) {
if (MochiKit.Style.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 elems = getElementsByTagAndClassName('div', cls);
MochiKit.Base.map(SimpleTest.toggle, elems);
if (evt)
evt.preventDefault();
};
/**
* Shows the report in the browser
**/
SimpleTest.showReport = function() {
var togglePassed = A({'href': '#'}, "Toggle passed tests");
var toggleFailed = A({'href': '#'}, "Toggle failed tests");
togglePassed.onclick = partial(SimpleTest.toggleByClass, 'test_ok');
toggleFailed.onclick = partial(SimpleTest.toggleByClass, 'test_not_ok');
var body = document.body; // Handles HTML documents
if (!body) {
// Do the XML thing
"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(SPAN(null, " "));
addNode(toggleFailed);
addNode(SimpleTest.report());
};
/**
* 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;
};
/**
* Talks to the TestRunner if being ran on a iframe and the parent has a
* TestRunner object.
**/
SimpleTest.talkToRunner = function () {
if (parentRunner) {
parentRunner.testFinished(document);
}
};
/**
* Finishes the tests. This is automatically called, except when
* SimpleTest.waitForExplicitFinish() has been invoked.
**/
SimpleTest.finish = function () {
SimpleTest.showReport();
SimpleTest.talkToRunner();
};
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 we get here, they're not the same (function references must
// always simply rererence 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] });
if (ok = SimpleTest._deepCheck(e1, e2, stack, seen)) {
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] });
if (ok = SimpleTest._deepCheck(e1, e2, stack, seen)) {
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;
};
if ( parent.SimpleTest && parent.runAJAXTest ) (function(){
var oldRecord = SimpleTest.record;
SimpleTest.record = function(condition, name, diag, stack) {
parent.SimpleTest.record( condition, name, diag, stack );
return oldRecord( condition, name, diag, stack );
};
var oldFinish = SimpleTest.finish;
SimpleTest.finish = function() {
oldFinish();
parent.runAJAXTest();
};
})();
// Global symbols:
var ok = SimpleTest.ok;
var record = SimpleTest.record;
var is = SimpleTest.is;
var isnot = SimpleTest.isnot;
var todo = SimpleTest.todo;
var todo_is = SimpleTest.todo_is;
var todo_isnot = SimpleTest.todo_isnot;
var isDeeply = SimpleTest.isDeeply;
var oldOnError = window.onerror;
window.onerror = function (ev) {
is(0, 1, "Error thrown during test: " + ev);
if (oldOnError) {
try {
oldOnError(ev);
} catch (e) {
}
}
if (SimpleTest._stopOnLoad == false) {
// Need to finish() manually here
SimpleTest.finish();
}
}