Introduce testing

.travis.yml

@@ -0,0 +1,14 @@
+language: emacs-lisp
+
+env:
+  - EMACS=emacs24
+  - EMACS=emacs-snapshot
+
+before_script:
+  - export DEBIAN_FRONTEND='noninteractive'
+  - sudo apt-add-repository -y ppa:cassou/emacs
+  - sudo apt-get update -qq
+  - sudo apt-get install -yy emacs24 emacs24-el emacs24-common-non-dfsg emacs-snapshot emacs-snapshot-el
+
+script:
+  - make EMACS=${EMACS} test

Makefile

@@ -0,0 +1,12 @@
+EMACS=emacs
+
+.PHONY: show-version test
+
+show-version:
+	@ echo "### Emacs Information ###"
+	@ echo "PATH = `which ${EMACS}`"
+	${EMACS} --version
+
+test: show-version
+	@ echo "### elixir-mix test suite ###"
+	${EMACS} -batch -Q -l test/test-runner.el

README.md

@@ -1,5 +1,7 @@
 # elixir-mix.el
 
+[![Build Status](https://travis-ci.org/tonini/elixir-mix.el.png?branch=introduce-testing)](https://travis-ci.org/tonini/elixir-mix.el)
+
 Integration of Elixir's building and deployment tool: mix into Emacs.
 
 ## Installation

elixir-mix.el

@@ -159,6 +159,12 @@
 (defun elixir-mix--completing-read (prompt command-list)
   (completing-read prompt command-list nil t nil nil (car command-list)))
 
+(defun elixir-mix-flatten (alist)
+  (cond ((null alist) nil)
+        ((atom alist) (list alist))
+        (t (append (elixir-mix-flatten (car alist))
+                   (elixir-mix-flatten (cdr alist))))))
+
 (defun elixir-mix-new (name)
   "Create a new elixir project with mix."
   (interactive "Gmix new: ")

test/elixir-mix-tests.el

@@ -0,0 +1,50 @@
+;;; elixir-mix-tests.el --- elixir-mix ert unit tests
+
+;; Copyright © 2013 Samuel Tonini
+
+;; Author: Samuel Tonini
+;; Maintainer: Samuel Tonini
+;; Description: Integration of Elixir's building and deployment tool: mix into Emacs.
+;; Created: So Jun  9 10:01:02 2013 (+0200)
+;; URL: https://github.com/tonini/elixir-mix
+
+;; This file is NOT part of GNU Emacs.
+
+;; The MIT License (MIT)
+;;
+;; Copyright (c) Samuel Tonini
+;;
+;; Permission is hereby granted, free of charge, to any person obtaining a copy of
+;; this software and associated documentation files (the "Software"), to deal in
+;; the Software without restriction, including without limitation the rights to
+;; use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+;; the Software, and to permit persons to whom the Software is furnished to do so,
+;; subject to the following conditions:
+;;
+;; The above copyright notice and this permission notice shall be included in all
+;; copies or substantial portions of the Software.
+;;
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+;; FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+;; COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+;; IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+;;; Commentary:
+
+;;; Code:
+
+(provide 'elixir-mix-tests)
+
+(require 'ert)
+(require 'elixir-mix)
+
+(ert-deftest test-flatten-of-list ()
+  (should (equal (elixir-mix-flatten '(1 2 (3 4) 5))
+                 '(1 2 3 4 5)))
+  (should (equal (elixir-mix-flatten '(1 2 ("wood" "fire" (3)) 4 5))
+                 '(1 2 "wood" "fire" 3 4 5))))
+
+
+;;; elixir-mix-tests.el ends here

test/test-runner.el

@@ -0,0 +1,18 @@
+;; Usage:
+;;
+;;   emacs -Q -l test/test-runner.el           # interactive mode
+;;   emacs -batch -Q -l test/test-runner.el    # batch mode
+
+(let ((current-directory (file-name-directory load-file-name)))
+  (setq elixir-mix-test-path (expand-file-name "." current-directory))
+  (setq elixir-mix-root-path (expand-file-name ".." current-directory)))
+
+(add-to-list 'load-path elixir-mix-root-path)
+(add-to-list 'load-path elixir-mix-test-path)
+
+(require 'elixir-mix)
+
+(dolist (test-file (or argv (directory-files elixir-mix-test-path t "-tests.el$")))
+  (load test-file nil t))
+
+(ert-run-tests-batch-and-exit t)