add tests, example

docs/settings.rst

@@ -61,7 +61,7 @@ These changes are visible throughout django-helpdesk
   **Default:** ``HELPDESK_FOLLOWUP_MOD = False``
 
 - **HELPDESK_AUTO_SUBSCRIBE_ON_TICKET_RESPONSE** Auto-subscribe user to ticket as a 'CC' if (s)he responds to a ticket?
-  
+
   **Default:** ``HELPDESK_AUTO_SUBSCRIBE_ON_TICKET_RESPONSE = False``
 
 - **HELPDESK_EMAIL_SUBJECT_TEMPLATE** Subject template for templated emails. ``%(subject)s`` represents the subject wording from the email template (e.g. "(Closed)").
@@ -94,7 +94,9 @@ Options that change ticket updates
 - **HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK** Apply a custom authorisation logic when defining 'staff_member_required' in staff.py.
   If set, `HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE` will be ignored when determining staff access.
   The value should be a function accepting the active user as a parameter and returning True if the user is considered helpdesk
-  staff.
+  staff, e.g.
+
+    lambda u: u.is_authenticated() and u.is_active and u.groups.filter(name='helpdesk_staff').exists()))
 
   **Default:** ``HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = None``
 
@@ -172,7 +174,7 @@ Discontinued Settings
 
 The following settings were defined in previous versions and are no longer supported.
 
-- **HELPDESK_CUSTOM_WELCOME** 
+- **HELPDESK_CUSTOM_WELCOME**
 
 - **HELDPESK_KB_ENABLED_STAFF** Now always True
 

helpdesk/tests/navigation.py

@@ -1,22 +1,20 @@
 # -*- coding: utf-8 -*-
+import sys
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 
-from helpdesk.tests.helpers import get_staff_user, reload_urlconf
+from helpdesk import settings
+from helpdesk.tests.helpers import get_staff_user, reload_urlconf, User
 
 
-class TestKBDisabled(TestCase):
+class KBDisabledTestCase(TestCase):
     def setUp(self):
-        from helpdesk import settings
-
         self.HELPDESK_KB_ENABLED = settings.HELPDESK_KB_ENABLED
         if self.HELPDESK_KB_ENABLED:
             settings.HELPDESK_KB_ENABLED = False
             reload_urlconf()
 
     def tearDown(self):
-        from helpdesk import settings
-
         if self.HELPDESK_KB_ENABLED:
             settings.HELPDESK_KB_ENABLED = True
             reload_urlconf()
@@ -36,3 +34,91 @@ class TestKBDisabled(TestCase):
                 raise
         else:
             self.assertEqual(response.status_code, 200)
+
+
+class StaffUserTestCaseMixin(object):
+    HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = False
+    HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK = None
+    expected_login_template = 'admin/login.html'
+
+    def setUp(self):
+        self.old_settings = settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE, settings.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK
+        settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = self.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE
+        settings.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK = self.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK
+        self.reload_views()
+
+    def tearDown(self):
+        settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE, settings.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK = self.old_settings
+        self.reload_views()
+
+    def reload_views(self):
+        try:
+            reload(sys.modules['helpdesk.views.staff'])
+            reload_urlconf()
+        except KeyError:
+            pass
+
+    def test_anonymous_user(self):
+        """Access to the dashboard always requires a login"""
+        response = self.client.get(reverse('helpdesk_dashboard'), follow=True)
+        self.assertTemplateUsed(response, self.expected_login_template)
+
+
+class NonStaffUsersAllowedTestCase(StaffUserTestCaseMixin, TestCase):
+    HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = True
+    HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK = None
+    expected_login_template = 'helpdesk/registration/login.html'
+
+    def test_non_staff_allowed(self):
+        """If HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE is True,
+        authenticated, non-staff users should be able to access
+        the dashboard.
+        """
+        user = User.objects.create_user(username='henry.wensleydale', password='gouda', email='wensleydale@example.com')
+
+        self.client.login(username=user.username, password='gouda')
+        response = self.client.get(reverse('helpdesk_dashboard'), follow=True)
+        self.assertTemplateUsed(response, 'helpdesk/dashboard.html')
+
+
+class StaffUsersOnlyTestCase(StaffUserTestCaseMixin, TestCase):
+    # Use default values
+    HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = False
+    HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK = None
+
+    def test_staff_only(self):
+        """If HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE is False,
+        only staff users should be able to access the dashboard.
+        """
+        user = get_staff_user()
+
+        self.client.login(username=user.username, password='password')
+        response = self.client.get(reverse('helpdesk_dashboard'), follow=True)
+        self.assertTemplateUsed(response, 'helpdesk/dashboard.html')
+
+
+class CustomStaffUserTestCase(StaffUserTestCaseMixin, TestCase):
+    HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE = False
+    expected_login_template = 'helpdesk/registration/login.html'
+
+    @staticmethod
+    def HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK(user):
+        """Arbitrary user validation function"""
+        return user.is_authenticated() and user.is_active and user.username.lower().endswith('wensleydale')
+
+    def test_custom_staff_pass(self):
+        """If HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK is not None,
+        a custom access rule is applied.
+        """
+        user = User.objects.create_user(username='henry.wensleydale', password='gouda', email='wensleydale@example.com')
+
+        self.client.login(username=user.username, password='gouda')
+        response = self.client.get(reverse('helpdesk_dashboard'), follow=True)
+        self.assertTemplateUsed(response, 'helpdesk/dashboard.html')
+
+    def test_custom_staff_fail(self):
+        user = User.objects.create_user(username='terry.milton', password='frog', email='milton@example.com')
+
+        self.client.login(username=user.username, password='frog')
+        response = self.client.get(reverse('helpdesk_dashboard'), follow=True)
+        self.assertTemplateUsed(response, self.expected_login_template)

helpdesk/views/staff.py

@@ -42,6 +42,7 @@ from helpdesk.models import Ticket, Queue, FollowUp, TicketChange, PreSetReply,
 from helpdesk import settings as helpdesk_settings
 
 if helpdesk_settings.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK:
+    # apply a custom user validation condition
     staff_member_required = user_passes_test(helpdesk_settings.HELPDESK_CUSTOM_STAFF_FILTER_CALLBACK)
 elif helpdesk_settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE:
     # treat 'normal' users like 'staff'

quicktest.py

@@ -65,8 +65,8 @@ class QuickDjangoTest(object):
         Fire up the Django test suite developed for version 1.2
         """
         settings.configure(
-            DEBUG = True,
-            DATABASES = {
+            DEBUG=True,
+            DATABASES={
                 'default': {
                     'ENGINE': 'django.db.backends.sqlite3',
                     'NAME': os.path.join(self.DIRNAME, 'database.db'),
@@ -76,8 +76,10 @@ class QuickDjangoTest(object):
                     'PORT': '',
                 }
             },
-            INSTALLED_APPS = self.INSTALLED_APPS + self.apps,
-            ROOT_URLCONF = self.apps[0] + '.urls',
+            INSTALLED_APPS=self.INSTALLED_APPS + self.apps,
+            ROOT_URLCONF=self.apps[0] + '.urls',
+            STATIC_URL='/static/',
+            LOGIN_URL='login',
         )
         from django.test.simple import DjangoTestSuiteRunner
         failures = DjangoTestSuiteRunner().run_tests(self.apps, verbosity=1)