Use tox for tests

Author: Emmanouil Konstantinidis

.gitignore

@@ -13,6 +13,7 @@ lib/
 lib64/
 parts/
 sdist/
+.tox/
 var/
 *.egg-info/
 .installed.cfg

.travis.yml

@@ -2,19 +2,22 @@ language: python
 
 sudo: false
 
-python:
-  - "2.7"
-  - "3.4"
-  - "3.5"
+env:
+  - TOX_ENV=py27
+  - TOX_ENV=py34
+  - TOX_ENV=py35
+
+matrix:
+  fast_finish: true
 
 before_install:
   - pip install codecov
 
 install:
-  - pip install -r requirements.txt
+  - pip install tox
 
 script:
-  - python runtests.py
+  - tox -e $TOX_ENV
 
 after_success:
   - codecov

tox.ini

@@ -0,0 +1,12 @@
+[tox]
+envlist = py27,py34
+
+[testenv]
+setenv =
+    PYTHONDONTWRITEBYTECODE = 1
+deps =
+    -rrequirements.txt
+commands =
+    pwd
+    ls -la
+    python runtests.py