UPD: try to make useful test stuff.

tests/__init__.py

@@ -0,0 +1,2 @@
+from test_suite import TestSuite
+test_suite = TestSuite()

tests/test_suite.py

@@ -0,0 +1,74 @@
+import datetime
+import django
+import os
+import shutil
+import sys
+from django.conf import settings
+from django.test.utils import get_runner
+from tempfile import mkdtemp
+
+
+class DjangoEnvironment(object):
+    def __init__(self, path=None, base_path=None, remove_after=True,
+                 enable_modules=None):
+        self.path = path
+        if base_path is not None:
+            self._base_path = base_path
+        else:
+            self._base_path = os.getcwd()
+        self._remove_after = remove_after
+        self._original_sys_path = None
+        self._modified_sys_path = None
+        if enable_modules is not None:
+            self._enable_modules = enable_modules
+        else:
+            self._enable_modules = []
+
+    def admin_cmd(self, *args):
+        cmd = 'django-dav-admin'
+        for arg in args:
+            cmd += ' "{}"'.format(arg)
+        os.system(cmd)
+
+    def __enter__(self):
+        if self.path is None:
+            prefix = 'testrun-{datetime}-'.format(
+                datetime=datetime.datetime.now().strftime('%Y%m%d-%H%M')
+            )
+            self.path = mkdtemp(prefix=prefix, dir=self._base_path)
+
+        self.admin_cmd('setup', self.path)
+        for mod in self._enable_modules:
+            self.admin_cmd('enable_module', self.path, mod)
+
+        self._original_sys_path = sys.path
+        sys.path.append(self.path)
+        self._modified_sys_path = sys.path
+
+        os.environ['DJANGO_SETTINGS_MODULE'] = 'main.settings'
+        django.setup()
+
+        return self
+
+    def __exit__(self, *args):
+        if self._modified_sys_path is not None and self._original_sys_path is not None:
+            if sys.path == self._modified_sys_path:
+                sys.path = self._original_sys_path
+        if self._remove_after:
+            shutil.rmtree(self.path)
+
+
+class TestSuite(object):
+    def __call__(self):
+        modules = ['dav_auth']
+        tests = ['dav_base'] + modules
+        test_tags = None
+        exclude_test_tags = ['browser']
+        failures = 0
+
+        with DjangoEnvironment(enable_modules=modules):
+            test_runner_class = get_runner(settings)
+            test_runner = test_runner_class(tags=test_tags, exclude_tags=exclude_test_tags)
+            failures = test_runner.run_tests(tests)
+
+        sys.exit(bool(failures))