diff --git a/README.md b/README.md
index 225fedc..748baa2 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ npm i --save-dev mcfly-semantic-release
 In your `package.json`
 ```json
 "scripts": {
-	"release": "mcfly-semantic-release"
+  "release": "mcfly-semantic-release"
 }
 ```
 
@@ -23,7 +23,7 @@ Optionnaly additional files can be added to also have their version bumped
 
 ```json
 "scripts": {
-"release": "mcfly-semantic-release.js --files ./package.json ./bower.json ./config.xml"
+  "release": "mcfly-semantic-release.js --files ./package.json ./bower.json ./config.xml"
 }
 ```
 
diff --git a/lib/gitHelper.js b/lib/gitHelper.js
index 18ca23b..3708668 100644
--- a/lib/gitHelper.js
+++ b/lib/gitHelper.js
@@ -4,6 +4,10 @@ global.Promise = require('bluebird');
 const git = require('simple-git')();
 const _ = require('lodash');
 
+/**
+ * Gets the current branch
+ * @returns {Promise.<String>} The name of the current branch
+ */
 var getCurrentBranch = function() {
     return Promise
         .fromCallback((cb) => {
@@ -26,7 +30,13 @@ var commitVersion = function(version) {
         });
 };
 
-var getRemoteRepository = function() {
+/**
+ * Gets a remote repository
+ * @param   {String} remotename         The name of the remote repository, default to 'origin'
+ * @returns {Promise.<Object>}          The result object with url, owner, and repo
+ */
+var getRemoteRepository = function(remotename) {
+    remotename = remotename || 'origin';
     return Promise
         .fromCallback((cb) => {
             git
@@ -35,7 +45,7 @@ var getRemoteRepository = function() {
         .then(remotes => {
             return _.chain(remotes)
                 .find(remote => {
-                    return remote.name === 'origin';
+                    return remote.name === remotename;
                 })
                 .value();
         })
@@ -54,6 +64,10 @@ var getRemoteRepository = function() {
         });
 };
 
+/**
+ * Check if the repo is clean
+ * @returns {Promise.<Boolean>} true if the repo is clean, false otherwise
+ */
 var isClean = function() {
     return Promise
         .fromCallback(cb => {
diff --git a/test/mocha/fileHelper.spec.js b/test/mocha/fileHelper.spec.js
new file mode 100644
index 0000000..a66262a
--- /dev/null
+++ b/test/mocha/fileHelper.spec.js
@@ -0,0 +1,30 @@
+'use strict';
+var fileHelper = require('../../lib/fileHelper');
+var expect = require('chai').expect;
+const packageName = 'dummy';
+describe('fileHelper', () => {
+    describe('readTextFile()', () => {
+        it('without dirname should succeed', () => {
+            var res = fileHelper.readTextFile('./test/assets/package.json');
+            expect(res.length).to.be.above(1);
+        });
+
+        it('with dirname should succeed', () => {
+            var res = fileHelper.readTextFile('./package.json', './test/assets');
+            expect(res.length).to.be.above(1);
+        });
+    });
+
+    describe('readJsonFile()', () => {
+        it('without dirname should succeed', () => {
+            var res = fileHelper.readJsonFile('./test/assets/package.json');
+            expect(res.name).to.equal(packageName);
+        });
+
+        it('with dirname should succeed', () => {
+            var res = fileHelper.readJsonFile('./package.json', './test/assets');
+            expect(res.name).to.equal(packageName);
+        });
+    });
+
+});
diff --git a/test/mocha/gitHelper.spec.js b/test/mocha/gitHelper.spec.js
index cceede2..5c2d279 100644
--- a/test/mocha/gitHelper.spec.js
+++ b/test/mocha/gitHelper.spec.js
@@ -16,7 +16,7 @@ describe('gitHelper', () => {
         });
     });
     describe('getRemoteRepository()', () => {
-        it('should return remote repository', (done) => {
+        it('should return remote origin repository', (done) => {
 
             gitHelper.getRemoteRepository()
                 .then(remote => {
@@ -28,6 +28,17 @@ describe('gitHelper', () => {
                 })
                 .catch(done);
         });
+
+        it('should throw error with an unknow remote', (done) => {
+            gitHelper.getRemoteRepository('dummy')
+                .then(remote => {
+                    done(new Error('should throw an error'));
+                })
+                .catch(err => {
+                    expect(err).not.to.be.null;
+                    done();
+                });
+        });
     });
 
     describe('isClean()', () => {