Add tox w/ travis integration (#158)

* Add tox.ini, simplify travis config

* Use travis to report allowed failures

Author: Ryan P Kilby

.travis.yml

@@ -8,27 +8,32 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
+
 env:
-  - DJANGO="django>=1.10.0,<1.11.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6"
-  - DJANGO="django>=1.9.0,<1.10.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6"
-  - DJANGO="django>=1.8.0,<1.9.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6"
-  - DJANGO="django>=1.8.0,<1.9.0" REST_FRAMEWORK="djangorestframework>=3.4,<3.5"
+  - DJANGO=1.10 REST_FRAMEWORK=3.5
+  - DJANGO=1.9 REST_FRAMEWORK=3.5
+  - DJANGO=1.8 REST_FRAMEWORK=3.5
+  - DJANGO=1.8 REST_FRAMEWORK=3.4
+
 install:
-  - travis_retry pip install -q $DJANGO $REST_FRAMEWORK coverage
-  - pip install .
+  - travis_retry pip install tox tox-travis coverage
 script:
-  - coverage run manage.py test -v 2 $OPTS
-  - coverage report
+  - tox -- -v 2
 after_success:
+  - coverage report
   - bash <(curl -s https://codecov.io/bash)
 
 matrix:
   include:
     - python: "3.6"
-      env: DJANGO="django>=1.10.0,<1.11.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6" OPTS="tests.perf"
+      env: TOXENV="performance"
+    - python: "3.6"
+      env: TOXENV="warnings"
   exclude:
     - python: "3.3"
-      env: DJANGO="django>=1.10.0,<1.11.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6"
+      env: DJANGO=1.10 REST_FRAMEWORK=3.5
     - python: "3.3"
-      env: DJANGO="django>=1.9.0,<1.10.0" REST_FRAMEWORK="djangorestframework>=3.5,<3.6"
+      env: DJANGO=1.9 REST_FRAMEWORK=3.5
+  allow_failures:
+    - env: TOXENV="warnings"
   fast_finish: true

tox.ini

@@ -0,0 +1,44 @@
+[tox]
+envlist =
+    ; Test two versions of DRF against Django's LTS
+    py{27,33,34,35,36}-django18-restframework{34,35},
+    py{27,34,35,36}-django{19,110}-restframework{35},
+    performance, warnings,
+
+[travis]
+unignore_outcomes = true
+
+[travis:env]
+DJANGO =
+    1.8: django18
+    1.9: django19
+    1.10: django110
+
+REST_FRAMEWORK =
+    3.4: restframework34
+    3.5: restframework35
+
+[testenv]
+commands = coverage run manage.py test {posargs}
+setenv =
+    PYTHONDONTWRITEBYTECODE=1
+deps =
+    coverage>=4.0
+    django18: django>=1.8.0,<1.9.0
+    django19: django>=1.9.0,<1.10.0
+    django110: django>=1.10.0,<1.11.0
+    restframework34: djangorestframework>=3.4,<3.5
+    restframework35: djangorestframework>=3.5,<3.6
+
+[testenv:performance]
+commands = python manage.py test tests.perf {posargs}
+deps =
+    django
+    djangorestframework
+
+[testenv:warnings]
+ignore_outcome = True
+commands = python -Werror manage.py test {posargs}
+deps =
+    https://github.com/django/django/archive/master.tar.gz
+    https://github.com/tomchristie/django-rest-framework/archive/master.tar.gz