Add pytest-django and test things

.gitignore

@@ -5,3 +5,4 @@ dist
 *.pyc
 django_babel.egg-info
 .tox
+htmlcov

setup.cfg

@@ -1,2 +1,6 @@
 [wheel]
 universal = 1
+
+[tool:pytest]
+DJANGO_SETTINGS_MODULE = tests.settings
+norecursedirs = .git .tox .eggs .cache htmlcov venv*

tests/settings.py

@@ -0,0 +1,23 @@
+SECRET_KEY = 'x'
+USE_I18N = True
+ROOT_URLCONF = 'tests.urls'
+INSTALLED_APPS = [
+    'django_babel',
+    'tests',
+]
+MIDDLEWARE_CLASSES = [
+    'django.middleware.locale.LocaleMiddleware',
+    'django_babel.middleware.LocaleMiddleware',
+]
+TEMPLATES = [
+    {
+        'NAME': 'default',
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.i18n',
+            ],
+        },
+    },
+]

tests/templates/test.txt

@@ -0,0 +1,11 @@
+{% load babel %}
+language_code={{ LANGUAGE_CODE }}
+language_name={{ locale.language_name }}
+date={{ date|datefmt }}
+datetime={{ date|datetimefmt }}
+time={{ date|timefmt }}
+number={{ number|numberfmt }}
+decimal={{ number|decimalfmt }}
+currency={{ number|currencyfmt:"EUR" }}
+percent={{ number|percentfmt }}
+scientificfmt={{ number|scientificfmt }}

tests/test_render.py

@@ -0,0 +1,26 @@
+# -- encoding: utf-8 --
+from __future__ import unicode_literals
+
+import pytest
+
+
+@pytest.mark.parametrize('locale', ('en', 'fi', 'sv', 'pt-BR'))
+def test_babel_render(client, locale):
+    """
+    Test the middleware and the rendery bits.
+    """
+    response = client.get('/', HTTP_ACCEPT_LANGUAGE=locale)
+    # "Parse" the key-value format
+    lines = response.content.decode('utf-8').strip().splitlines()
+    content = dict(kv.split('=', 1) for kv in lines)
+    # See that we're rendering in the locale we expect
+    assert content['language_code'] == locale.lower()
+    # check that we could access `babel.Locale.language_name`
+    assert content['language_name'] == {
+        'en': 'English',
+        'fi': 'suomi',
+        'sv': 'svenska',
+        'pt-BR': 'português',
+    }[locale]
+    # The rest are not really tested (aside from smoke tests) further;
+    # the Babel test suite has taken care of that.

tests/urls.py

@@ -0,0 +1,18 @@
+import time
+
+from django.conf.urls import url
+from django.shortcuts import render
+from django.utils.timezone import now
+
+
+def test_view(request):
+    return render(request, 'test.txt', {
+        'date': now(),
+        'number': time.time(),
+        'locale': request.locale,
+    })
+
+
+urlpatterns = [
+    url('^$', test_view),
+]

tox.ini

@@ -6,6 +6,7 @@ deps =
     coverage
     pytest
     pytest-cov
+    pytest-django
     python-coveralls
     django15: Django>=1.5,<1.6
     django16: Django>=1.6,<1.7