parts/django/tests/regressiontests/admin_widgets/tests.py
changeset 307 c6bca38c1cbf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/admin_widgets/tests.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,316 @@
+# encoding: utf-8
+
+from datetime import datetime
+from unittest import TestCase
+
+from django import forms
+from django.conf import settings
+from django.contrib import admin
+from django.contrib.admin import widgets
+from django.contrib.admin.widgets import FilteredSelectMultiple, AdminSplitDateTime
+from django.contrib.admin.widgets import (AdminFileWidget, ForeignKeyRawIdWidget,
+    ManyToManyRawIdWidget)
+from django.core.files.storage import default_storage
+from django.core.files.uploadedfile import SimpleUploadedFile
+from django.db.models import DateField
+from django.test import TestCase as DjangoTestCase
+from django.utils.html import conditional_escape
+from django.utils.translation import activate, deactivate
+
+import models
+
+
+class AdminFormfieldForDBFieldTests(TestCase):
+    """
+    Tests for correct behavior of ModelAdmin.formfield_for_dbfield
+    """
+
+    def assertFormfield(self, model, fieldname, widgetclass, **admin_overrides):
+        """
+        Helper to call formfield_for_dbfield for a given model and field name
+        and verify that the returned formfield is appropriate.
+        """
+        # Override any settings on the model admin
+        class MyModelAdmin(admin.ModelAdmin): pass
+        for k in admin_overrides:
+            setattr(MyModelAdmin, k, admin_overrides[k])
+
+        # Construct the admin, and ask it for a formfield
+        ma = MyModelAdmin(model, admin.site)
+        ff = ma.formfield_for_dbfield(model._meta.get_field(fieldname), request=None)
+
+        # "unwrap" the widget wrapper, if needed
+        if isinstance(ff.widget, widgets.RelatedFieldWidgetWrapper):
+            widget = ff.widget.widget
+        else:
+            widget = ff.widget
+
+        # Check that we got a field of the right type
+        self.assert_(
+            isinstance(widget, widgetclass),
+            "Wrong widget for %s.%s: expected %s, got %s" % \
+                (model.__class__.__name__, fieldname, widgetclass, type(widget))
+        )
+
+        # Return the formfield so that other tests can continue
+        return ff
+
+    def testDateField(self):
+        self.assertFormfield(models.Event, 'start_date', widgets.AdminDateWidget)
+
+    def testDateTimeField(self):
+        self.assertFormfield(models.Member, 'birthdate', widgets.AdminSplitDateTime)
+
+    def testTimeField(self):
+        self.assertFormfield(models.Event, 'start_time', widgets.AdminTimeWidget)
+
+    def testTextField(self):
+        self.assertFormfield(models.Event, 'description', widgets.AdminTextareaWidget)
+
+    def testURLField(self):
+        self.assertFormfield(models.Event, 'link', widgets.AdminURLFieldWidget)
+
+    def testIntegerField(self):
+        self.assertFormfield(models.Event, 'min_age', widgets.AdminIntegerFieldWidget)
+
+    def testCharField(self):
+        self.assertFormfield(models.Member, 'name', widgets.AdminTextInputWidget)
+
+    def testFileField(self):
+        self.assertFormfield(models.Album, 'cover_art', widgets.AdminFileWidget)
+
+    def testForeignKey(self):
+        self.assertFormfield(models.Event, 'band', forms.Select)
+
+    def testRawIDForeignKey(self):
+        self.assertFormfield(models.Event, 'band', widgets.ForeignKeyRawIdWidget,
+                             raw_id_fields=['band'])
+
+    def testRadioFieldsForeignKey(self):
+        ff = self.assertFormfield(models.Event, 'band', widgets.AdminRadioSelect,
+                                  radio_fields={'band':admin.VERTICAL})
+        self.assertEqual(ff.empty_label, None)
+
+    def testManyToMany(self):
+        self.assertFormfield(models.Band, 'members', forms.SelectMultiple)
+
+    def testRawIDManyTOMany(self):
+        self.assertFormfield(models.Band, 'members', widgets.ManyToManyRawIdWidget,
+                             raw_id_fields=['members'])
+
+    def testFilteredManyToMany(self):
+        self.assertFormfield(models.Band, 'members', widgets.FilteredSelectMultiple,
+                             filter_vertical=['members'])
+
+    def testFormfieldOverrides(self):
+        self.assertFormfield(models.Event, 'start_date', forms.TextInput,
+                             formfield_overrides={DateField: {'widget': forms.TextInput}})
+
+    def testFieldWithChoices(self):
+        self.assertFormfield(models.Member, 'gender', forms.Select)
+
+    def testChoicesWithRadioFields(self):
+        self.assertFormfield(models.Member, 'gender', widgets.AdminRadioSelect,
+                             radio_fields={'gender':admin.VERTICAL})
+
+    def testInheritance(self):
+        self.assertFormfield(models.Album, 'backside_art', widgets.AdminFileWidget)
+
+
+class AdminFormfieldForDBFieldWithRequestTests(DjangoTestCase):
+    fixtures = ["admin-widgets-users.xml"]
+
+    def testFilterChoicesByRequestUser(self):
+        """
+        Ensure the user can only see their own cars in the foreign key dropdown.
+        """
+        self.client.login(username="super", password="secret")
+        response = self.client.get("/widget_admin/admin_widgets/cartire/add/")
+        self.assert_("BMW M3" not in response.content)
+        self.assert_("Volkswagon Passat" in response.content)
+
+
+class AdminForeignKeyWidgetChangeList(DjangoTestCase):
+    fixtures = ["admin-widgets-users.xml"]
+    admin_root = '/widget_admin'
+
+    def setUp(self):
+        self.client.login(username="super", password="secret")
+
+    def tearDown(self):
+        self.client.logout()
+
+    def test_changelist_foreignkey(self):
+        response = self.client.get('%s/admin_widgets/car/' % self.admin_root)
+        self.assertTrue('%s/auth/user/add/' % self.admin_root in response.content)
+
+
+class AdminForeignKeyRawIdWidget(DjangoTestCase):
+    fixtures = ["admin-widgets-users.xml"]
+    admin_root = '/widget_admin'
+
+    def setUp(self):
+        self.client.login(username="super", password="secret")
+
+    def tearDown(self):
+        self.client.logout()
+
+    def test_nonexistent_target_id(self):
+        band = models.Band.objects.create(name='Bogey Blues')
+        pk = band.pk
+        band.delete()
+        post_data = {
+            "band": u'%s' % pk,
+        }
+        # Try posting with a non-existent pk in a raw id field: this
+        # should result in an error message, not a server exception.
+        response = self.client.post('%s/admin_widgets/event/add/' % self.admin_root,
+            post_data)
+        self.assertContains(response,
+            'Select a valid choice. That choice is not one of the available choices.')
+
+    def test_invalid_target_id(self):
+
+        for test_str in ('Iñtërnâtiônàlizætiøn', "1234'", -1234):
+            # This should result in an error message, not a server exception.
+            response = self.client.post('%s/admin_widgets/event/add/' % self.admin_root,
+                {"band": test_str})
+
+            self.assertContains(response,
+                'Select a valid choice. That choice is not one of the available choices.')
+
+
+class FilteredSelectMultipleWidgetTest(TestCase):
+    def test_render(self):
+        w = FilteredSelectMultiple('test', False)
+        self.assertEqual(
+            conditional_escape(w.render('test', 'test')),
+            '<select multiple="multiple" name="test" class="selectfilter">\n</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 0, "%(ADMIN_MEDIA_PREFIX)s"); });</script>\n' % {"ADMIN_MEDIA_PREFIX": settings.ADMIN_MEDIA_PREFIX}
+        )
+
+    def test_stacked_render(self):
+        w = FilteredSelectMultiple('test', True)
+        self.assertEqual(
+            conditional_escape(w.render('test', 'test')),
+            '<select multiple="multiple" name="test" class="selectfilterstacked">\n</select><script type="text/javascript">addEvent(window, "load", function(e) {SelectFilter.init("id_test", "test", 1, "%(ADMIN_MEDIA_PREFIX)s"); });</script>\n' % {"ADMIN_MEDIA_PREFIX": settings.ADMIN_MEDIA_PREFIX}
+        )
+
+
+class AdminSplitDateTimeWidgetTest(TestCase):
+    def test_render(self):
+        w = AdminSplitDateTime()
+        self.assertEqual(
+            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>',
+        )
+
+    def test_localization(self):
+        w = AdminSplitDateTime()
+
+        activate('de-at')
+        old_USE_L10N = settings.USE_L10N
+        settings.USE_L10N = True
+        w.is_localized = True
+        self.assertEqual(
+            conditional_escape(w.render('test', datetime(2007, 12, 1, 9, 30))),
+            '<p class="datetime">Datum: <input value="01.12.2007" type="text" class="vDateField" name="test_0" size="10" /><br />Zeit: <input value="09:30:00" type="text" class="vTimeField" name="test_1" size="8" /></p>',
+        )
+        deactivate()
+        settings.USE_L10N = old_USE_L10N
+
+
+class AdminFileWidgetTest(DjangoTestCase):
+    def test_render(self):
+        band = models.Band.objects.create(name='Linkin Park')
+        album = band.album_set.create(
+            name='Hybrid Theory', cover_art=r'albums\hybrid_theory.jpg'
+        )
+
+        w = AdminFileWidget()
+        self.assertEqual(
+            conditional_escape(w.render('test', album.cover_art)),
+            'Currently: <a target="_blank" href="%(STORAGE_URL)salbums/hybrid_theory.jpg">albums\hybrid_theory.jpg</a> <br />Change: <input type="file" name="test" />' % {'STORAGE_URL': default_storage.url('')},
+        )
+
+        self.assertEqual(
+            conditional_escape(w.render('test', SimpleUploadedFile('test', 'content'))),
+            '<input type="file" name="test" />',
+        )
+
+
+class ForeignKeyRawIdWidgetTest(DjangoTestCase):
+    def test_render(self):
+        band = models.Band.objects.create(name='Linkin Park')
+        band.album_set.create(
+            name='Hybrid Theory', cover_art=r'albums\hybrid_theory.jpg'
+        )
+        rel = models.Album._meta.get_field('band').rel
+
+        w = ForeignKeyRawIdWidget(rel)
+        self.assertEqual(
+            conditional_escape(w.render('test', band.pk, attrs={})),
+            '<input type="text" name="test" value="%(bandpk)s" class="vForeignKeyRawIdAdminField" /><a href="../../../admin_widgets/band/?t=id" 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>' % {"ADMIN_MEDIA_PREFIX": settings.ADMIN_MEDIA_PREFIX, "bandpk": band.pk},
+        )
+
+    def test_relations_to_non_primary_key(self):
+        # Check that ForeignKeyRawIdWidget works with fields which aren't
+        # related to the model's primary key.
+        apple = models.Inventory.objects.create(barcode=86, name='Apple')
+        models.Inventory.objects.create(barcode=22, name='Pear')
+        core = models.Inventory.objects.create(
+            barcode=87, name='Core', parent=apple
+        )
+        rel = models.Inventory._meta.get_field('parent').rel
+        w = ForeignKeyRawIdWidget(rel)
+        self.assertEqual(
+            w.render('test', core.parent_id, attrs={}),
+            '<input type="text" name="test" value="86" class="vForeignKeyRawIdAdminField" /><a href="../../../admin_widgets/inventory/?t=barcode" 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>Apple</strong>' % {"ADMIN_MEDIA_PREFIX": settings.ADMIN_MEDIA_PREFIX},
+        )
+
+
+    def test_proper_manager_for_label_lookup(self):
+        # see #9258
+        rel = models.Inventory._meta.get_field('parent').rel
+        w = ForeignKeyRawIdWidget(rel)
+
+        hidden = models.Inventory.objects.create(
+            barcode=93, name='Hidden', hidden=True
+        )
+        child_of_hidden = models.Inventory.objects.create(
+            barcode=94, name='Child of hidden', parent=hidden
+        )
+        self.assertEqual(
+            w.render('test', child_of_hidden.parent_id, attrs={}),
+            '<input type="text" name="test" value="93" class="vForeignKeyRawIdAdminField" /><a href="../../../admin_widgets/inventory/?t=barcode" 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>Hidden</strong>' % {"ADMIN_MEDIA_PREFIX": settings.ADMIN_MEDIA_PREFIX},
+        )
+
+
+class ManyToManyRawIdWidgetTest(DjangoTestCase):
+    def test_render(self):
+        band = models.Band.objects.create(name='Linkin Park')
+        band.album_set.create(
+            name='Hybrid Theory', cover_art=r'albums\hybrid_theory.jpg'
+        )
+
+        m1 = models.Member.objects.create(name='Chester')
+        m2 = models.Member.objects.create(name='Mike')
+        band.members.add(m1, m2)
+        rel = models.Band._meta.get_field('members').rel
+
+        w = ManyToManyRawIdWidget(rel)
+        self.assertEqual(
+            conditional_escape(w.render('test', [m1.pk, m2.pk], attrs={})),
+            '<input type="text" name="test" value="%(m1pk)s,%(m2pk)s" 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, "m1pk": m1.pk, "m2pk": m2.pk},
+        )
+
+        self.assertEqual(
+            conditional_escape(w.render('test', [m1.pk])),
+            '<input type="text" name="test" value="%(m1pk)s" 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, "m1pk": m1.pk},
+        )
+
+        self.assertEqual(w._has_changed(None, None), False)
+        self.assertEqual(w._has_changed([], None), False)
+        self.assertEqual(w._has_changed(None, [u'1']), True)
+        self.assertEqual(w._has_changed([1, 2], [u'1', u'2']), False)
+        self.assertEqual(w._has_changed([1, 2], [u'1']), True)
+        self.assertEqual(w._has_changed([1, 2], [u'1', u'3']), True)