add test && optimize if branches

index.js

@@ -101,6 +101,8 @@ function request(method, path, checksum, opts, body, localpath, cb){
 UPYUN.prototype.getConf = function(key) {
     if(_CONF[key]) {
         return _CONF[key];
+    } else {
+        return;
     }
 }
 
@@ -142,8 +144,11 @@ UPYUN.prototype.getFileList = function(path) {
 
 UPYUN.prototype.createDir = function(path, mkdir) {
     return function(fn) {
-        var opts = { "Folder": true };
-        if(mkdir !== false) opts["Mkdir"] = true;
+        var opts = { 
+            "Folder": true,
+            "Mkdir": true 
+        };
+        if(mkdir === false) opts["Mkdir"] = false;
         request('POST', path, null, opts, null, null, function(err, res) {
             if(err) return fn(err);
             fn(null, res);

test/basic-apis.js

@@ -39,6 +39,16 @@ describe('API', function() {
             co(function *() {
                 var res = yield upyun.createDir('/createdirtest2/subdir/', true);
                 res.should.have.property('statusCode').be.exactly(200);
+                yield upyun.removeDir('/createdirtest2/subdir/');
+                yield upyun.removeDir('/createdirtest2/');
+            })(done)
+        })
+
+        it('should response 200', function(done) {
+            co(function *() {
+                var res = yield upyun.createDir('/createdirtest3/', false);
+                res.should.have.property('statusCode').be.exactly(200);
+                yield upyun.removeDir('/createdirtest3/');
             })(done)
         })
     })

test/utils.js

@@ -8,6 +8,10 @@ describe('utils', function() {
         it('should get bucket name', function() {
             upyun.getConf('bucket').should.be.exactly('travis');
         })
+
+        it('should return nothing', function() {
+            (upyun.getConf('null') === undefined).should.be.true;
+        })
     })
 
     describe('.setEndpoint(ep)', function() {