Added some integration tests

Author: javiereguiluz

.travis.yml

@@ -0,0 +1,30 @@
+language: php
+sudo: false
+
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
+matrix:
+  fast_finish: true
+  include:
+    - php: 5.4
+    - php: 5.5
+    - php: 5.6
+    - php: 7.0
+    - php: hhvm
+  allow_failures:
+    - php: hhvm
+
+before_install:
+  - composer self-update
+  - curl -LSs https://box-project.github.io/box2/installer.php | php
+  - mv box.phar box
+  - chmod 755 box
+
+install:
+  - composer install
+  - php box build
+
+script:
+  - phpunit

composer.json

@@ -20,6 +20,9 @@
         "symfony/filesystem": "~2.5",
         "raulfraile/distill": "~0.9,!=0.9.3,!=0.9.4"
     },
+    "require-dev": {
+        "symfony/process": "~2.5"
+    },
     "extra": {
         "branch-alias": {
             "dev-master": "1.0-dev"