Add a starter JavaScript version of Scour

lite/muther.js

@@ -0,0 +1,49 @@
+/**
+ * Mini Unit Test Harness
+ * Copyright(c) 2011, Google Inc.
+ *
+ * A really tiny unit test harness.
+ */
+
+var muther = muther || {};
+
+muther.assert = function(cond, err) {
+  if (!cond) {
+    throw err;
+  }
+};
+  
+muther.addTest_ = function(testDiv, innerHTML, pass) {
+  var theTest = document.createElement('div');
+  // Convert all angle brackets into displayable text.
+  innerHTML = innerHTML.replace(/&/g, '&').
+      replace(/</g, '&lt;').
+      replace(/>/g, '&gt;');
+  theTest.innerHTML = innerHTML;
+  theTest.setAttribute('style', pass ? 'color:#090' : 'color:#900');
+  testDiv.appendChild(theTest);
+};
+  
+// Run through all tests and record the results.
+muther.test = function(testsToRun) {
+  var progress = document.createElement('progress');
+  var testDiv = document.createElement('div');
+  document.body.insertBefore(testDiv, document.body.firstChild);
+  document.body.insertBefore(progress, document.body.firstChild);
+
+  var max = testsToRun.length;
+  progress.max = max;
+  progress.value = 0;
+  testDiv.innerHTML = max + ' Tests';
+  for (var t = 0; t < max; ++t) {
+    var test = testsToRun[t];
+    try {
+      test();
+      muther.addTest_(testDiv, test.name + ': Pass', true);
+    } catch(e) {
+      muther.addTest_(testDiv, test.name + ': Fail. ' + e, false);
+    }
+    progress.value += 1;
+  }
+};
+