Added basic test for list_filter feature

example/blog/tests/__init__.py

@@ -5,3 +5,4 @@ from test_permissions import *
 from test_modelforms import *
 from test_views import *
 from test_nestedobjects import *
+from test_filters import *

example/blog/tests/test_filters.py

@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+# vim:fenc=utf-8
+
+from django.test import TestCase
+from django.contrib.auth import get_user_model
+from django.test.client import RequestFactory
+from django.core.urlresolvers import reverse
+
+from ..models import Post
+
+import djadmin2
+import djadmin2.filters as djadmin2_filters
+
+import django_filters
+
+
+class PostAdminSimple(djadmin2.ModelAdmin2):
+    list_filter = ['published', ]
+
+
+class PostAdminWithFilterInstances(djadmin2.ModelAdmin2):
+    list_filter = [
+        django_filters.BooleanFilter(name='published'),
+    ]
+
+
+class FS(django_filters.FilterSet):
+    class Meta:
+        model = Post
+        fields = ['published']
+
+
+class PostAdminWithFilterSetInst(djadmin2.ModelAdmin2):
+    list_filter = FS
+
+
+class ListFilterBuilderTest(TestCase):
+
+    def setUp(self):
+        self.rf = RequestFactory()
+
+    def test_filter_building(self):
+        Post.objects.create(title="post_1_title", body="body")
+        Post.objects.create(title="post_2_title", body="another body")
+        request = self.rf.get(reverse("admin2:dashboard"))
+        list_filter_inst = djadmin2_filters.build_list_filter(
+            request,
+            PostAdminSimple,
+            Post.objects.all(),
+        )
+        self.assertTrue(
+            issubclass(list_filter_inst.__class__, django_filters.FilterSet)
+        )
+        self.assertEqual(
+            list_filter_inst.filters['published'].widget,
+            djadmin2_filters.NullBooleanLinksWidget,
+        )
+        list_filter_inst = djadmin2_filters.build_list_filter(
+            request,
+            PostAdminWithFilterInstances,
+            Post.objects.all(),
+        )
+        self.assertNotEqual(
+            list_filter_inst.filters['published'].widget,
+            djadmin2_filters.NullBooleanLinksWidget,
+        )
+        list_filter_inst = djadmin2_filters.build_list_filter(
+            request,
+            PostAdminWithFilterSetInst,
+            Post.objects.all(),
+        )
+        self.assertTrue(isinstance(list_filter_inst, FS))