fix bug of unlink method and modify unit test

.travis.yml

@@ -8,6 +8,7 @@ before_script:
   - "npm install -g mocha"
   - "npm install istanbul"
   - "npm install coveralls"
+  - "npm install phplike"
   - "npm build  ./"
 
 

nodejs/file.js

@@ -47,6 +47,10 @@ function rmdir(dir, isForce) {//{{{
     } 
 };//}}}
 
+function unlink(filename) {
+    return fs.unlinkSync(filename);
+}
+
 
 /*
  * @param filename
@@ -100,9 +104,6 @@ exports.mkdir = function(dirName) {/*{{{*/
     }
 };/*}}}*/
 
-exports.unlink = function (filename) {
-    return fs.unlinkSync(filename);
-}
 
 
 
@@ -114,3 +115,4 @@ exports.readdir = readdir;
 exports.is_dir = is_dir;
 exports.is_file = is_file;
 exports.rmdir = rmdir;
+exports.unlink = unlink;

tests/file.js

@@ -23,7 +23,13 @@ describe('Test function: is_dir, file.js', function () {
     it('Test directory is exist.', function() {
         var isDir = phplikeMod.is_dir("tests");
         assert.equal(true, isDir);
-    })
+    });
+
+    it('File is not a dir.', function() {
+        var file = 'tests/global.js';
+        var res = phplikeMod.is_dir(file);
+        assert.equal(false, res);
+    });
 
 });
 
@@ -40,12 +46,25 @@ describe('File Handle', function () {
 
     });
 
+    it('read a not exist file', function () {
+        var content = phplikeMod.file_get_contents("./tests/file.jsxx");
+        assert.equal("", content);
+
+    });
+
     it('write file', function () {
         phplikeMod.file_put_contents("./tests/tmp", "test");
         var content = phplikeMod.file_get_contents("./tests/tmp");
         assert.equal("test", content);
     });
 
+    it('write a binary content into file', function () {
+        phplikeMod.file_put_contents("./tests/tmp2", "test", "binary");
+        var content = phplikeMod.file_get_contents("./tests/tmp2");
+        assert.equal("test", content);
+        phplikeMod.unlink("./tests/tmp2");
+    });
+
     it('delete file', function () {
         phplikeMod.file_put_contents("./tests/tmp", "test");
         var content = phplikeMod.file_get_contents("./tests/tmp");
@@ -66,8 +85,17 @@ describe('dir handle', function () {
         assert.equal(true, isDir);
     });
 
+    it('create single level dir', function () {
+        phplikeMod.mkdir("test_dir");
+        var isDir = phplikeMod.is_dir("test_dir");
+        assert.equal(true, isDir);
+        phplikeMod.rmdir("test_dir");
+    });
+
     it('delete dir - force', function() {
         var isForce = true;
+        phplikeMod.mkdir(dir);
+        phplikeMod.file_put_contents(dir + "/tmp", "test");
         phplikeMod.rmdir("./tests/test", isForce);
         isDir = phplikeMod.is_dir(dir);
         assert.equal(false, isDir);

tests/global.js

@@ -1,7 +1,7 @@
-// global function test
+// global function test and test the phplike module which has already installed.
 
 global.UNIT_TEST = true;
-require('./../nodejs/index.js');
+require('phplike');
 
 var assert = require("assert");
 
@@ -29,7 +29,14 @@ describe('Test global function: core function', function() {
         assert.equal("dGVzdA==", res);
     });
 
+});
 
+describe('Test global function: is_dir', function() {
+    it('File is not a dir.', function() {
+        var file = 'tests/global.js';
+        var res = is_dir(file);
+        assert.equal(false, res);
+    });
 
 });