diff -r 7b55777486c3 -r 75ba66457232 unittests/tests/utils.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/unittests/tests/utils.js	Fri Apr 06 16:55:34 2012 +0200
@@ -0,0 +1,73 @@
+function test_utils() {
+  module("Utility function tests");
+  
+  test("test a function to preserve the scope of a method in a callback", function() {
+    var obj = { a : 2};
+    obj.b = function(e, f) { 
+      equal(this.a, 2, "the scope is preserved");
+      equal(e, 1, "arg 1 passed correctly");
+      equal(f, 2, "arg 2 passed correctly");
+    };
+    
+    (IriSP.wrap(obj, obj.b))(1, 2);
+  
+  });
+  
+  test("test function to convert a ratio to a percentage", function() {
+    var time = 2;
+    var total = 3;
+    
+    equal(IriSP.timeToPourcent(2, 3), 66, "the function returns the correct result");    
+    
+    var total = -total;    
+    
+    equal(IriSP.timeToPourcent(2, 3), 66, "the function is immune to negative numbers");            
+  });
+  
+  test("test padding function", function() {
+    equal(IriSP.padWithZeros(3), "03", "function works correctly");
+  });
+  
+  test("test function to convert from seconds to a time", function() {
+    var h = 13, m = 7, s = 41;
+    var t = 13 * 3600 + 7* 60 + 41;
+    
+    var r = IriSP.secondsToTime(t);
+    ok(r.hours === h && r.minutes === m && r.seconds === s, "the converted time is correct");
+    
+    t = -t;
+    var r = IriSP.secondsToTime(t);
+    ok(r.hours === h && r.minutes === m && r.seconds === s, "the function is immune to negative numbers.");
+    equal(IriSP.secondsToTime(t), "13:07:41");
+  });
+  
+  test("test function to format a tweet", function() {
+    var inputs = ["@handle", "@bundle", "#hashtag", "http://t.co/11111", "++", "--"];
+    var outputs = ["<a href='http://twitter.com/handle'>@handle</a>", 
+                   "<a href='http://twitter.com/bundle'>@bundle</a>",
+                   "<a href='http://twitter.com/search?q=%23hashtag'>#hashtag</a>",
+                   "<a href='http://t.co/11111'>http://t.co/11111</a>",
+                   "<span class='Ldt-PolemicPlusPlus'>++</span>",
+                   "<span class='Ldt-PolemicMinusMinus'>--</span>"];
+
+    var i = 0;
+    for(i = 0; i < inputs.length; i++) {
+      equal(IriSP.formatTweet(inputs[i]), outputs[i], "the correct output is given");
+    }
+  });
+
+  test("test function to convert decimal color to hexadecimal", function() {
+    equal(IriSP.DEC_HEXA_COLOR(125), "7D", "first test passes");
+    equal(IriSP.DEC_HEXA_COLOR(24345), "5F19", "second test passes");
+
+  });
+
+  test("test template function", function() {
+    IriSP.default_templates_vars["test_fixture"] = "FIXTURE";
+    equal(IriSP.templToHTML("{{test_fixture}} {{foo}}", {foo: 2}), "FIXTURE 2", "correct template returned"); 
+  });
+
+  test("test url encoding function", function() {
+    equal(IriSP.encodeURI("!'()*"), "%21%27%28%29%2A", "the returned string is correct");
+  });
+}