3bda1f5bd3
Backport of r12598 from trunk. git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12600 bcc190cf-cafb-0310-a4f2-bffc1f526a37
59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
from django.test import TestCase
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from django.contrib.admin.util import NestedObjects
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from models import Count
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class NestedObjectsTests(TestCase):
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"""
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Tests for ``NestedObject`` utility collection.
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"""
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def setUp(self):
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self.n = NestedObjects()
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self.objs = [Count.objects.create(num=i) for i in range(5)]
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def _check(self, target):
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self.assertEquals(self.n.nested(lambda obj: obj.num), target)
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def _add(self, obj, parent=None):
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# don't bother providing the extra args that NestedObjects ignores
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self.n.add(None, None, obj, None, parent)
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def test_unrelated_roots(self):
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self._add(self.objs[0])
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self._add(self.objs[1])
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self._add(self.objs[2], self.objs[1])
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self._check([0, 1, [2]])
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def test_siblings(self):
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self._add(self.objs[0])
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self._add(self.objs[1], self.objs[0])
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self._add(self.objs[2], self.objs[0])
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self._check([0, [1, 2]])
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def test_duplicate_instances(self):
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self._add(self.objs[0])
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self._add(self.objs[1])
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dupe = Count.objects.get(num=1)
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self._add(dupe, self.objs[0])
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self._check([0, 1])
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def test_non_added_parent(self):
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self._add(self.objs[0], self.objs[1])
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self._check([0])
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def test_cyclic(self):
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self._add(self.objs[0], self.objs[2])
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self._add(self.objs[1], self.objs[0])
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self._add(self.objs[2], self.objs[1])
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self._add(self.objs[0], self.objs[2])
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self._check([0, [1, [2]]])
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