Update the travis integration

.coveragerc

@@ -0,0 +1,4 @@
+[run]
+source = mailer
+omit = mailer/tests.py
+branch = 1

.travis.yml

@@ -1,11 +1,15 @@
 language: python
-
 python:
   - 2.7
-
+env:
+  - DJANGO=https://github.com/django/django/tarball/master
+  - DJANGO=Django==1.6.5
 install:
-  - pip install flake8
   - pip install -e .
-
-script:
+  - pip install flake8 coverage coveralls $DJANGO
+before_script:
   - flake8 --max-line-length=100 --max-complexity=10 --statistics --benchmark mailer
+script:
+  - coverage run runtests.py
+after_script:
+  - coveralls

runtests.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+import os
+import sys
+
+import django
+
+from django.conf import settings
+
+
+DEFAULT_SETTINGS = dict(
+    INSTALLED_APPS=[
+        "django.contrib.auth",
+        "django.contrib.contenttypes",
+        "django.contrib.sites",
+        "mailer",
+    ],
+    DATABASES={
+        "default": {
+            "ENGINE": "django.db.backends.sqlite3",
+            "NAME": ":memory:",
+        }
+    },
+    SITE_ID=1,
+    SECRET_KEY="notasecret",
+)
+
+
+def runtests(*test_args):
+    if not settings.configured:
+        settings.configure(**DEFAULT_SETTINGS)
+
+    # Compatibility with Django 1.7's stricter initialization
+    if hasattr(django, "setup"):
+        django.setup()
+
+    parent = os.path.dirname(os.path.abspath(__file__))
+    sys.path.insert(0, parent)
+
+    try:
+        from django.test.runner import DiscoverRunner
+        runner_class = DiscoverRunner
+        test_args = ["mailer.tests"]
+    except ImportError:
+        from django.test.simple import DjangoTestSuiteRunner
+        runner_class = DjangoTestSuiteRunner
+        test_args = ["tests"]
+
+    failures = runner_class(
+        verbosity=1, interactive=True, failfast=False).run_tests(test_args)
+    sys.exit(failures)
+
+
+if __name__ == "__main__":
+    runtests(*sys.argv[1:])