fix($urlRouter): resolve clashing of routes

Author: just-boris

src/urlRouter.js

@@ -303,6 +303,12 @@ function $UrlRouterProvider(   $locationProvider,   $urlMatcherFactory) {
       return listener;
     }
 
+    rules.sort(function(ruleA, ruleB) {
+      var aLength = ruleA.prefix ? ruleA.prefix.length : 0;
+      var bLength = ruleB.prefix ? ruleB.prefix.length : 0;
+      return bLength - aLength;
+    });
+
     if (!interceptDeferred) listen();
 
     return {

test/urlRouterSpec.js

@@ -55,6 +55,8 @@ describe("UrlRouter", function () {
           return path.replace('baz', 'b4z');
         }).when('/foo/:param', function($match) {
           match = ['/foo/:param', $match];
+        }).when('/foo/bar', function($match) {
+          match = ['/foo/bar', $match];
         }).when('/bar', function($match) {
           match = ['/bar', $match];
         });
@@ -71,6 +73,18 @@ describe("UrlRouter", function () {
       });
     });
 
+    it("should handle more specified url first", function() {
+      location.path("/foo/bar");
+      scope.$emit("$locationChangeSuccess");
+      expect(match[0]).toBe("/foo/bar");
+      expect(match[1]).toEqual({});
+
+      location.path("/foo/baz");
+      scope.$emit("$locationChangeSuccess");
+      expect(match[0]).toBe("/foo/:param");
+      expect(match[1]).toEqual({param: 'baz'});
+    });
+
     it("should execute rewrite rules", function () {
       location.path("/foo");
       scope.$emit("$locationChangeSuccess");