refact(exunit.el): compilation buffer per project (#21)

* refact(exunit.el): compilation buffer per project

* chore(deps): adds project to the dependencies

Cask

@@ -7,4 +7,5 @@
  (depends-on "f")
  (depends-on "ecukes")
  (depends-on "ert-runner")
- (depends-on "el-mock"))
+ (depends-on "el-mock")
+ (depends-on "project"))

exunit.el

@@ -6,7 +6,7 @@
 ;; URL: http://github.com/ananthakumaran/exunit.el
 ;; Version: 0.1
 ;; Keywords: processes elixir exunit
-;; Package-Requires: ((s "1.11.0") (emacs "24.3") (f "0.20.0") (transient "0.3.6"))
+;; Package-Requires: ((s "1.11.0") (emacs "24.3") (f "0.20.0") (transient "0.3.6") (project "0.9.8"))
 
 ;; This program is free software: you can redistribute it and/or modify it
 ;; under the terms of the GNU General Public License as published by
@@ -36,6 +36,7 @@
 (require 'compile)
 (require 'transient)
 (require 'subr-x)
+(require 'project)
 
 ;;; Private
 
@@ -197,7 +198,12 @@ and filename relative to the dependency."
 
 (define-compilation-mode exunit-compilation-mode "ExUnit Compilation"
   "Compilation mode for ExUnit output."
-  (setq compilation-parse-errors-filename-function #'exunit-parse-error-filename)
+  (setq compilation-parse-errors-filename-function #'exunit-parse-error-filename
+        compilation-buffer-name-function
+        (lambda (compilation-mode)
+          (if (project-current)
+              (concat "*" (downcase compilation-mode) "-" (project-name (project-current)) "*")
+            (compilation--default-buffer-name compilation-mode))))
   (add-hook 'compilation-filter-hook 'exunit-colorize-compilation-buffer nil t))
 
 (defun exunit-do-compile (args)