add unit tests

node_modules/vfs-local/test/test-local.js

@@ -49,7 +49,7 @@ describe('vfs-local', function () {
     });
     it('should reject paths that resolve outside the root', function (done) {
       vfs.resolve("/../test-local.js", {}, function (err, meta) {
-        expect(err).property("code").equals("EACCESS");
+        expect(err).property("code").equals("EACCES");
         done();
       });
     });
@@ -893,6 +893,12 @@ describe('vfs-local', function () {
         });
       });
     });
+    it("should error with EACCES if the same extension name is empty", function (done) {
+      vfs.extend("", {file: __dirname + "/math.js"}, function (err, meta) {
+        expect(err).property("code").equal("EACCES");
+        done();
+      });
+    });
     it("should allow a redefine if options.redefine is set", function (done) {
       vfs.extend("test", {file: __dirname + "/math.js"}, function (err, meta) {
         if (err) throw err;

plugins/c9.vfs.server/vfs_proxy.js

@@ -34,7 +34,7 @@ module.exports = function(methods, vfsHome, vfsWorkspace) {
     
     function wrap(name, excluded) {
         if (excluded) {
-            return function(){
+            return function() {
                 vfsWorkspace[name].apply(vfsWorkspace, arguments);
             };
         }
@@ -43,7 +43,8 @@ module.exports = function(methods, vfsHome, vfsWorkspace) {
             var args = Array.prototype.slice.call(arguments);
             
             PATH_OPTIONS.forEach(function(o) {
-                options[o] = options[o] && substituteTilde(options[o]);
+                if (options[o] && typeof options[o] == "string")
+                    options[o] = substituteTilde(options[o]);
             });
             args[1] = options;