newforms-admin: Fixed #6731 -- ManyToManyRawIdWidget no longer allows wrong data being sent to the database. Admin widgets tests are now in regressiontests.

git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@7262 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/tests/__init__.py

@@ -1,5 +0,0 @@
-from django.contrib.admin.tests.widgets import WIDGET_TESTS
-
-__test__ = {
-    'WIDGET_TESTS': WIDGET_TESTS,
-}

django/contrib/admin/tests/widgets.py

@@ -1,47 +0,0 @@
-from django.conf import settings
-
-WIDGET_TESTS = """
->>> from datetime import datetime
->>> from django.utils.html import escape, conditional_escape
->>> from django.contrib.admin.widgets import FilteredSelectMultiple, AdminSplitDateTime
->>> from django.contrib.admin.widgets import AdminFileWidget, ForeignKeyRawIdWidget
->>> from django.contrib.admin.widgets import RelatedFieldWidgetWrapper
->>> from django.contrib.admin.models import LogEntry
->>> from django.contrib.auth.models import User
-
-Calling conditional_escape on the output of widget.render will simulate what
-happens in the template. This is easier than setting up a template and context
-for each test.
-
-Make sure that the Admin widgets render properly, that is, without their extra
-HTML escaped.
-
->>> w = FilteredSelectMultiple('test', False)
->>> print conditional_escape(w.render('test', 'test'))
-<select multiple="multiple" name="test">
-</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 0, "%(ADMIN_MEDIA_PREFIX)s"); });</script>
-<BLANKLINE>
-
->>> w = AdminSplitDateTime()
->>> print conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30)))
-<p class="datetime">Date: <input value="2007-12-01" type="text" class="vDateField" name="test_0" size="10" /><br />Time: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>
-
->>> w = AdminFileWidget()
->>> print conditional_escape(w.render('test', 'test'))
-Currently: <a target="_blank" href="%(MEDIA_URL)stest">test</a> <br />Change: <input type="file" name="test" />
-
-To test ForeignKeyRawIdWidget a user object must be created. Its pk is
-explicitly set to 100 to avoid having to potentially overmatch in the test.
-
->>> user = User.objects.create(pk=100, username='jdoe')
->>> entry = LogEntry(action_flag=1, user=user)
->>> entry.save()
->>> rel = LogEntry._meta.get_field('user').rel
->>> w = ForeignKeyRawIdWidget(rel)
->>> print conditional_escape(w.render('test', entry.user.pk, attrs={}))
-<input type="text" name="test" value="100" class="vForeignKeyRawIdAdminField" /><a href="../../../auth/user/" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>&nbsp;<strong>jdoe</strong>
-
-""" % {
-    'ADMIN_MEDIA_PREFIX': settings.ADMIN_MEDIA_PREFIX,
-    'MEDIA_URL': settings.MEDIA_URL
-}

django/contrib/admin/widgets.py

@@ -102,10 +102,13 @@ class ForeignKeyRawIdWidget(forms.TextInput):
             (related_url, url, name))
         output.append('<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>' % settings.ADMIN_MEDIA_PREFIX)
         if value:
-            output.append('&nbsp;<strong>%s</strong>' % \
-                truncate_words(self.rel.to.objects.get(pk=value), 14))
+            output.append(self.label_for_value(value))
         return mark_safe(u''.join(output))
     
+    def label_for_value(self, value):
+        return '&nbsp;<strong>%s</strong>' % \
+            truncate_words(self.rel.to.objects.get(pk=value), 14)
+            
 class ManyToManyRawIdWidget(ForeignKeyRawIdWidget):
     """
     A Widget for displaying ManyToMany ids in the "raw_id" interface rather than
@@ -122,6 +125,9 @@ class ManyToManyRawIdWidget(ForeignKeyRawIdWidget):
             value = ''
         return super(ManyToManyRawIdWidget, self).render(name, value, attrs)
     
+    def label_for_value(self, value):
+        return ''
+
     def value_from_datadict(self, data, files, name):
         value = data.get(name, None)
         if value and ',' in value:

tests/regressiontests/admin_widgets/models.py

@@ -0,0 +1,73 @@
+
+from django.conf import settings
+from django.db import models
+
+class Member(models.Model):
+    name = models.CharField(max_length=100)
+    
+    def __unicode__(self):
+        return self.name
+
+class Band(models.Model):
+    name = models.CharField(max_length=100)
+    members = models.ManyToManyField(Member)
+    
+    def __unicode__(self):
+        return self.name
+
+class Album(models.Model):
+    band = models.ForeignKey(Band)
+    name = models.CharField(max_length=100)
+    
+    def __unicode__(self):
+        return self.name
+
+__test__ = {'WIDGETS_TESTS': """
+>>> from datetime import datetime
+>>> from django.utils.html import escape, conditional_escape
+>>> from django.contrib.admin.widgets import FilteredSelectMultiple, AdminSplitDateTime
+>>> from django.contrib.admin.widgets import AdminFileWidget, ForeignKeyRawIdWidget, ManyToManyRawIdWidget
+>>> from django.contrib.admin.widgets import RelatedFieldWidgetWrapper
+
+Calling conditional_escape on the output of widget.render will simulate what
+happens in the template. This is easier than setting up a template and context
+for each test.
+
+Make sure that the Admin widgets render properly, that is, without their extra
+HTML escaped.
+
+>>> w = FilteredSelectMultiple('test', False)
+>>> print conditional_escape(w.render('test', 'test'))
+<select multiple="multiple" name="test">
+</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 0, "%(ADMIN_MEDIA_PREFIX)s"); });</script>
+<BLANKLINE>
+
+>>> w = AdminSplitDateTime()
+>>> print conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30)))
+<p class="datetime">Date: <input value="2007-12-01" type="text" class="vDateField" name="test_0" size="10" /><br />Time: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>
+
+>>> w = AdminFileWidget()
+>>> print conditional_escape(w.render('test', 'test'))
+Currently: <a target="_blank" href="%(MEDIA_URL)stest">test</a> <br />Change: <input type="file" name="test" />
+
+>>> band = Band.objects.create(pk=1, name='Linkin Park')
+>>> album = band.album_set.create(name='Hybrid Theory')
+
+>>> rel = Album._meta.get_field('band').rel
+>>> w = ForeignKeyRawIdWidget(rel)
+>>> print conditional_escape(w.render('test', band.pk, attrs={}))
+<input type="text" name="test" value="1" class="vForeignKeyRawIdAdminField" /><a href="../../../admin_widgets/band/" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>&nbsp;<strong>Linkin Park</strong>
+
+>>> m1 = Member.objects.create(pk=1, name='Chester')
+>>> m2 = Member.objects.create(pk=2, name='Mike')
+>>> band.members.add(m1, m2)
+
+>>> rel = Band._meta.get_field('members').rel
+>>> w = ManyToManyRawIdWidget(rel)
+>>> print conditional_escape(w.render('test', [m1.pk, m2.pk], attrs={}))
+<input type="text" name="test" value="1,2" class="vManyToManyRawIdAdminField" /><a href="../../../admin_widgets/member/" class="related-lookup" id="lookup_id_test" onclick="return showRelatedObjectLookupPopup(this);"> <img src="%(ADMIN_MEDIA_PREFIX)simg/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+
+""" % {
+    'ADMIN_MEDIA_PREFIX': settings.ADMIN_MEDIA_PREFIX,
+    'MEDIA_URL': settings.MEDIA_URL,
+}}