feat(dev): Migrate to pytest

.github/workflows/test.yml

@@ -95,7 +95,7 @@ jobs:
           if [[ $DB == postgres ]]; then
             pip install -q psycopg2-binary
           fi
-          pip install coverage six $(./get-django-version.py ${{ matrix.django }})
+          pip install coverage six pytest pytest-django pytest-cov $(./get-django-version.py ${{ matrix.django }})
       - name: Run tests
         run: |
-          coverage run --source=modeltranslation ./runtests.py
+          pytest --cov-report term

modeltranslation/tests/models.py

@@ -1,10 +1,8 @@
-# -*- coding: utf-8 -*-
 import six
-from django.conf import settings
+from django.contrib.auth.models import Permission
 from django.core import validators
 from django.db import models
 from django.utils.translation import gettext_lazy
-
 from modeltranslation.manager import MultilingualManager
 
 
@@ -128,9 +126,6 @@ class OtherFieldsModel(models.Model):
     # That's rich! PositiveIntegerField is only validated in forms, not in models.
     int = models.PositiveIntegerField(default=42, validators=[validators.MinValueValidator(0)])
     boolean = models.BooleanField(default=False)
-    nullboolean = models.NullBooleanField()
-    csi = models.CommaSeparatedIntegerField(max_length=255)
-    ip = models.IPAddressField(blank=True, null=True)
     float = models.FloatField(blank=True, null=True)
     decimal = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True)
     date = models.DateField(blank=True, null=True)
@@ -495,8 +490,5 @@ class ModelY(AbstractModelY):
 # Non-abstract base models whos Manager is not allowed to be overwritten
 
 
-if "django.contrib.auth" in settings.INSTALLED_APPS:
-    from django.contrib.auth.models import Permission
-
-    class InheritedPermission(Permission):
-        translated_var = models.CharField(max_length=255)
+class InheritedPermission(Permission):
+    translated_var = models.CharField(max_length=255)

modeltranslation/tests/settings.py

@@ -1,23 +1,62 @@
-# -*- coding: utf-8 -*-
-"""
-Settings overrided for test time
-"""
-from django.conf import settings
+import os
+import warnings
 
+warnings.simplefilter('always', DeprecationWarning)
 
-INSTALLED_APPS = tuple(settings.INSTALLED_APPS) + ('modeltranslation.tests',)
+
+def _get_database_config():
+    db = os.getenv('DB', 'sqlite')
+    host = os.getenv('DB_HOST', 'localhost')
+    conf = {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': ':memory:',
+        'TEST': {
+            'SERIALIZE': False,
+        },
+    }
+    if db == 'mysql':
+        conf.update(
+            {
+                'ENGINE': 'django.db.backends.mysql',
+                'NAME': os.getenv('MYSQL_DATABASE', 'modeltranslation'),
+                'USER': os.getenv('MYSQL_USER', 'root'),
+                'PASSWORD': os.getenv('MYSQL_PASSWORD', 'password'),
+                'HOST': host,
+            }
+        )
+    elif db == 'postgres':
+        conf.update(
+            {
+                'ENGINE': 'django.db.backends.postgresql',
+                'USER': os.getenv('POSTGRES_USER', 'postgres'),
+                'PASSWORD': os.getenv('POSTGRES_DB', 'postgres'),
+                'NAME': os.getenv('POSTGRES_DB', 'modeltranslation'),
+                'HOST': host,
+            }
+        )
+    return conf
+
+
+DATABASES = {"default": _get_database_config()}
+
+INSTALLED_APPS = (
+    'django.contrib.contenttypes',
+    'django.contrib.auth',
+    'modeltranslation',
+    'modeltranslation.tests',
+)
 
 LANGUAGES = (('de', 'Deutsch'), ('en', 'English'))
 LANGUAGE_CODE = 'de'
-MODELTRANSLATION_DEFAULT_LANGUAGE = 'de'
 
 USE_I18N = True
 USE_TZ = False
 MIDDLEWARE_CLASSES = ()
 
+MODELTRANSLATION_DEFAULT_LANGUAGE = 'de'
 MODELTRANSLATION_AUTO_POPULATE = False
 MODELTRANSLATION_FALLBACK_LANGUAGES = ()
 
 ROOT_URLCONF = 'modeltranslation.tests.urls'
 
-MIGRATION_MODULES = {'auth': 'modeltranslation.tests.auth_migrations'}
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'