Added basic tests for databrowse. Refs #5968.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17406 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/databrowse/models.py

@@ -0,0 +1 @@
+# Empty models.py to allow for specifying databrowse as a test label.

django/contrib/databrowse/tests.py

@@ -0,0 +1,58 @@
+from django.contrib import databrowse
+from django.db import models
+from django.test import TestCase
+
+
+class SomeModel(models.Model):
+    some_field = models.CharField(max_length=50)
+
+    def __unicode__(self):
+        return self.some_field
+
+
+class SomeOtherModel(models.Model):
+    some_other_field = models.CharField(max_length=50)
+
+    def __unicode__(self):
+        return self.some_other_field
+
+
+class YetAnotherModel(models.Model):
+    yet_another_field = models.CharField(max_length=50)
+
+    def __unicode__(self):
+        return self.yet_another_field
+
+
+class DatabrowseTests(TestCase):
+
+    def test_databrowse_register_unregister(self):
+        databrowse.site.register(SomeModel)
+        self.assertTrue(SomeModel in databrowse.site.registry)
+        databrowse.site.register(SomeOtherModel, YetAnotherModel)
+        self.assertTrue(SomeOtherModel in databrowse.site.registry)
+        self.assertTrue(YetAnotherModel in databrowse.site.registry)
+
+        self.assertRaisesMessage(
+            databrowse.sites.AlreadyRegistered,
+            'The model SomeModel is already registered',
+            databrowse.site.register, SomeModel, SomeOtherModel
+        )
+
+        databrowse.site.unregister(SomeOtherModel)
+        self.assertFalse(SomeOtherModel in databrowse.site.registry)
+        databrowse.site.unregister(SomeModel, YetAnotherModel)
+        self.assertFalse(SomeModel in databrowse.site.registry)
+        self.assertFalse(YetAnotherModel in databrowse.site.registry)
+
+        self.assertRaisesMessage(
+            databrowse.sites.NotRegistered,
+            'The model SomeModel is not registered',
+            databrowse.site.unregister, SomeModel, SomeOtherModel
+        )
+
+        self.assertRaisesMessage(
+            databrowse.sites.AlreadyRegistered,
+            'The model SomeModel is already registered',
+            databrowse.site.register, SomeModel, SomeModel
+        )