Upgrade package.json and test cases

Author: Deliay

package.json

@@ -4,11 +4,11 @@
   "description": "Gulp plugin for fitlering files that differ from some base git branch",
   "main": "index.js",
   "scripts": {
-    "test": "./node_modules/mocha/bin/mocha"
+    "test": "npx mocha"
   },
   "author": {
-      "name" : "Alexander Myshov",
-      "url": "https://github.com/myshov"
+    "name": "Alexander Myshov",
+    "url": "https://github.com/myshov"
   },
   "repository": {
     "type": "git",
@@ -27,6 +27,8 @@
     "node": ">=0.12.0"
   },
   "keywords": [
-    "gulpplugin", "git", "filtering"
+    "gulpplugin",
+    "git",
+    "filtering"
   ]
 }

test/isFileChanged.js

@@ -1,41 +1,32 @@
 var assert = require('assert');
 var rewire = require('rewire');
+var path = require('path');
 
 var gulpGitFlowDiff = rewire('../');
-gulpGitFlowDiff.__set__({
-    process: {
-        cwd: function() {
-            return '/home/user/dev'
-        }
-    }
-});
 
 describe('gulp-giflow-diff isFileChanged', function() {
-    process.cwd = function() {
-        return '/home/user/dev'
-    };
-
+    const basePath = process.cwd();
     it('should return true if there is file in list of changed files', function(done) {
         var fileMocked = {};
-        fileMocked.path = 'https://github.com/home/user/dev/src/file33.js';
+        fileMocked.path = path.join(basePath, 'src/file33.js');
         var filesChanged = [
             'src/file11.js',
             'src/file22.js',
             'src/file33.js'
-        ];
+        ].map(filePath => path.join(basePath, filePath));
         var result = gulpGitFlowDiff.isFileChanged(fileMocked, filesChanged);
         assert.equal(result, true);
         done();
     });
 
     it('should return false if there is no file in list of changed files', function(done) {
         var fileMocked = {};
-        fileMocked.path = 'https://github.com/usr/home/user/dev/src/file44.js';
+        fileMocked.path = path.join(basePath, 'src/file44.js');
         var filesChanged = [
             'src/file11.js',
             'src/file22.js',
             'src/file33.js'
-        ];
+        ].map(filePath => path.join(basePath, filePath));
         var result = gulpGitFlowDiff.isFileChanged(fileMocked, filesChanged);
         assert.equal(result, false);
         done();