add getcwd function and add unit test

README.md

@@ -59,6 +59,7 @@ Completed PHP Method
 * parse_str : parse "a=b&c=d" to {"a": "b", "c": "d"}
 * array_merge
 * clone:  clone a object or array
+* getcwd
 
 <h2>Install phplike</h2>
 

nodejs/core.js

@@ -68,6 +68,11 @@ exports.date = function (format)
     return format;
 }/*}}}*/
 
+// Get current working directory (path).
+exports.getcwd = function () {//{{{
+    return process.cwd();
+}//}}}
+
 /*
  * @param obj
  * @param prefix space 

nodejs/file.js

@@ -98,7 +98,7 @@ exports.mkdir = function(dirName) {/*{{{*/
         try{
             fs.mkdirSync(dir);
         } catch(e) {
-            print_r(e);
+            console.log(e);
             throw e
         }
     }

tests/core.js

@@ -100,4 +100,11 @@ describe('Test function: clone', function() {
 
 });
 
+describe('Test function: getcwd', function() {
+    it('string to object', function() {
+        var res = phplikeMod.getcwd();
+        assert.equal("/", res.substring(0, 1));
+    })
+
+});
 

tests/file.js

@@ -92,6 +92,24 @@ describe('dir handle', function () {
         phplikeMod.rmdir("test_dir");
     });
 
+    it('create dir from "/"', function () {
+        var cwd = phplikeMod.getcwd();
+        phplikeMod.mkdir(cwd + "/test_dir");
+        var isDir = phplikeMod.is_dir(cwd + "/test_dir");
+        assert.equal(true, isDir);
+        phplikeMod.rmdir(cwd + "/test_dir");
+    });
+
+    it('get exception when create dir in no permission path.', function () {
+        try {
+            phplikeMod.mkdir("/admin");        
+            assert.equal(false, true);
+        } catch (e) {
+            assert.equal(true, true);
+        }
+    });
+
+
     it('delete dir - force', function() {
         var isForce = true;
         phplikeMod.mkdir(dir);