Fixed #1999 by replacing the 'no-cache' parameter if it is there instead of just...

diff --git a/src/ajax.js b/src/ajax.js
index ba3aa96..d4f2e12 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -197,8 +197,13 @@ jQuery.extend({
                if ( s.dataType == "script" && s.cache == null )
                        s.cache = false;
 
-               if ( s.cache === false && s.type.toLowerCase() == "get" )
-                       s.url += (s.url.match(/\?/) ? "&" : "?") + "_=" + (new Date()).getTime();
+               if ( s.cache === false && s.type.toLowerCase() == "get" ) {
+                       var ts = (new Date()).getTime();
+                       // try replacing _= if it is there
+                       var ret = s.url.replace(/(\?|&)_=.*(&|$)/, "$1_=" + ts + "$2");
+                       // if nothing was replaced, add timestamp to the end
+                       s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
+               }
 
                // If data is available, append data to url for get requests
                if ( s.data && s.type.toLowerCase() == "get" ) {

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 2b3cfb6..5274b68 100644 (file)
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -226,7 +226,7 @@ test("pass-through request object", function() {
        var success = function() {
                // Re-enabled because a bug was found in the unit test that probably caused the problem
                if(++count == 5)
-               start();
+                       start();
        };
        
        ok( $.get(url(target), success), "get" );
@@ -236,6 +236,36 @@ test("pass-through request object", function() {
        ok( $.ajax({url: url(target), success: success}), "generic" );
 });
 
+test("ajax cache", function () {
+       expect(18);
+       stop();
+       
+       var count = 0;
+
+       $("#firstp").bind("ajaxSuccess", function (e, xml, s) {
+               var re = /_=(.*?)(&|$)/g;
+    var oldOne = null;
+               for (var i = 0; i < 6; i++) {
+      var ret = re.exec(s.url);
+                       if (!ret) {
+                               break;
+                       }
+      oldOne = ret[1];
+               }
+               equals(i, 1, "Test to make sure only one 'no-cache' parameter is there");
+               ok(oldOne != "tobereplaced555", "Test to be sure parameter (if it was there) was replaced");
+               if(++count == 6)
+                       start();
+       });
+
+       ok( $.ajax({url: "data/text.php", cache:false}), "test with no parameters" );
+       ok( $.ajax({url: "data/text.php?pizza=true", cache:false}), "test with 1 parameter" );
+       ok( $.ajax({url: "data/text.php?_=tobereplaced555", cache:false}), "test with _= parameter" );
+       ok( $.ajax({url: "data/text.php?pizza=true&_=tobereplaced555", cache:false}), "test with 1 parameter plus _= one" );
+       ok( $.ajax({url: "data/text.php?_=tobereplaced555&tv=false", cache:false}), "test with 1 parameter plus _= one before it" );
+       ok( $.ajax({url: "data/text.php?name=David&_=tobereplaced555&washere=true", cache:false}), "test with 2 parameters surrounding _= one" );
+});
+
 test("global ajaxSettings", function() {
        expect(3);