1 files changed, 424 insertions, 0 deletions

diff --git a/frontend/gamma/tests/SimpleTest/SimpleTest.js b/frontend/gamma/tests/SimpleTest/SimpleTest.js
new file mode 100644
index 0000000..418954f
--- a/dev/null
+++ b/frontend/gamma/tests/SimpleTest/SimpleTest.js
@@ -0,0 +1,424 @@
+/**
+ * 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 = {};
+}
+
+// Check to see if the TestRunner is present and has logging
+if (typeof(parent) != "undefined" && parent.TestRunner) {
+    SimpleTest._logEnabled = parent.TestRunner.logEnabled;
+}
+
+SimpleTest._tests = [];
+SimpleTest._stopOnLoad = true;
+SimpleTest._scopeCopy = {};
+
+/**
+ * Saves a copy of the specified scope variables.
+ */
+SimpleTest.saveScope = function (scope) {
+    SimpleTest._scopeCopy = {};
+    for (var k in scope) {
+        SimpleTest._scopeCopy[k] = scope[k];
+    }
+}
+
+/**
+ * Verifies the specified scope against the stored copy and reports
+ * any differences as test failures.
+ */
+SimpleTest.verifyScope = function (scope) {
+    var filter = ['test', '_firebug','_FirebugConsole','XMLHttpRequest','Audio',
+                  'XSLTProcessor','Option','Image','scrollMaxX','scrollMaxY',
+                  'clipboardData'];
+    for (var k in scope) {
+        if (MochiKit.Base.findValue(filter, k) < 0) {
+            var v = scope[k];
+            var old = SimpleTest._scopeCopy[k];
+            if (v !== old && typeof(old) === "undefined") {
+                SimpleTest.ok(false, "scope modified, variable " + k + " was added");
+            } else if (v !== old) {
+                SimpleTest.ok(false, "scope modified, variable " + k + " changed from: " + old + ", to: " + v);
+            }
+        }
+    }
+    for (var k in SimpleTest._scopeCopy) {
+        if (!(k in scope)) {
+            SimpleTest.ok(false, "scope modified, variable " + k + " has been removed");
+        }
+    }
+}
+
+/**
+ * Something like assert.
+ */
+SimpleTest.ok = function (condition, name, diag) {
+    var test = {'result': !!condition, 'name': name, 'diag': diag || ""};
+    if (SimpleTest._logEnabled) {
+        var msg = test.result ? "PASS" : "FAIL";
+        msg += " | " + test.name;
+        if (test.result) {
+            parent.TestRunner.logger.log(msg);
+        } else {
+            msg += " | " + test.diag;
+            parent.TestRunner.logger.error(msg);
+        }
+    }
+    SimpleTest._tests.push(test);
+};
+
+/**
+ * Roughly equivalent to ok(a==b, name)
+ */
+SimpleTest.is = function (a, b, name) {
+    var repr = MochiKit.Base.repr;
+    SimpleTest.ok(a == b, name, "got " + repr(a) + ", expected " + repr(b));
+};
+
+/**
+ * Roughly equivalent to ok(compare(a,b)==0, name)
+ */
+SimpleTest.eq = function (a, b, name) {
+    var base = MochiKit.Base;
+    var repr = base.repr;
+    try {
+        SimpleTest.ok(base.compare(a, b) == 0, name, "got " + repr(a) + ", expected " + repr(b));
+    } catch (e) {
+        SimpleTest.ok(false, name, "exception in compare: " + repr(e));
+    }
+};
+
+
+/**
+ * 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 results = MochiKit.Base.map(
+        function (test) {
+            var cls, msg;
+            if (test.result) {
+                passed++;
+                cls = "test_ok";
+                msg = "ok - " + test.name;
+            } else {
+                failed++;
+                cls = "test_not_ok";
+                msg = "not ok - " + test.name;
+                if (test.diag != null && test.diag != "") {
+                    msg += ": " + 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)),
+        results
+    );
+};
+
+/**
+ * Toggle element visibility
+**/
+SimpleTest.toggle = function(el) {
+    if (MochiKit.Style.getStyle(el, 'display') == 'block') {
+        el.style.display = 'none';
+    } else {
+        el.style.display = 'block';
+    }
+};
+
+/**
+ * Toggle visibility for divs with a specific class.
+**/
+SimpleTest.toggleByClass = function (cls) {
+    var elems = MochiKit.DOM.getElementsByTagAndClassName('div', cls);
+    MochiKit.Base.map(SimpleTest.toggle, elems);
+        return false;
+};
+
+/**
+ * Shows the report in the browser
+**/
+
+SimpleTest.showReport = function() {
+    var base = MochiKit.Base;
+    var dom = MochiKit.DOM;
+    var togglePassed = dom.A({'href': '#'}, "Toggle passed tests");
+    var toggleFailed = dom.A({'href': '#'}, "Toggle failed tests");
+    togglePassed.onclick = base.partial(SimpleTest.toggleByClass, 'test_ok');
+    toggleFailed.onclick = base.partial(SimpleTest.toggleByClass, 'test_not_ok');
+    var body = document.getElementsByTagName("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(dom.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 (typeof(parent) != "undefined" && parent.TestRunner) {
+        parent.TestRunner.testFinished(document);
+    }
+};
+
+/**
+ * Finishes the tests. This is automatically called, except when 
+ * SimpleTest.waitForExplicitFinish() has been invoked.
+**/
+SimpleTest.finish = function () {
+    SimpleTest.showReport();
+    SimpleTest.talkToRunner();
+};
+
+
+MochiKit.DOM.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;
+};
+
+
+
+// Global symbols:
+var ok = SimpleTest.ok;
+var is = SimpleTest.is;
+var isDeeply = SimpleTest.isDeeply;