Added coveralls for file coverage testing

Cask

@@ -2,10 +2,12 @@
 (source melpa)
 
 (package-file "webpaste.el")
+(files "webpaste.el")
 
 (development
- (depends-on "request")
  (depends-on "f")
  (depends-on "ecukes")
+ (depends-on "request")
+ (depends-on "el-mock")
  (depends-on "ert-runner")
- (depends-on "el-mock"))
+ (depends-on "undercover"))

README.org

@@ -1,6 +1,7 @@
 [[https://melpa.org/#/webpaste][https://melpa.org/packages/webpaste-badge.svg]]
 [[https://stable.melpa.org/#/webpaste][https://stable.melpa.org/packages/webpaste-badge.svg]]
 [[https://travis-ci.org/etu/webpaste.el][https://travis-ci.org/etu/webpaste.el.svg?branch=master]]
+[[https://coveralls.io/github/etu/webpaste.el?branch=master][https://coveralls.io/repos/github/etu/webpaste.el/badge.svg?branch=master]]
 
 * Webpaste.el -- Paste text to pastebin-like services
 This mode allows to paste whole buffers or parts of buffers to

test/test-helper.el

@@ -2,7 +2,8 @@
 ;;; Commentary:
 ;;; Code:
 (require 'f)
-
+(require 'ert)
+(require 'undercover)
 
 (defvar webpaste-test--test-path
   (f-parent (f-this-file)))
@@ -10,8 +11,8 @@
 (defvar webpaste-test--root-path
   (f-parent webpaste-test--test-path))
 
-(require 'ert)
-(require 'webpaste (f-expand "webpaste" webpaste-test--root-path))
+(undercover "webpaste.el")
 
+(require 'webpaste (f-expand "webpaste" webpaste-test--root-path))
 
 ;;; test-helper.el ends here