{{ hello|slice:'1:' }}
", "root/never/
"), - ("{% node_url for nodes|first %}", "/root/never/"), + ("{% node_url %}", "/root/second/"), + ("{% node_url for node2 %}", "/root/second2/"), + ("{% node_url as hello %}{{ hello|slice:'1:' }}
", "root/second/
"), + ("{% node_url for nodes|first %}", "/root/"), ("{% node_url with entry %}", settings.TEMPLATE_STRING_IF_INVALID), - ("{% node_url with entry for node2 %}", "/root/blog/2010/10/20/first-entry"), - ("{% node_url with tag for node2 %}", "/root/blog/tags/test-tag/"), - ("{% node_url with date for node2 %}", "/root/blog/2010/10/20"), - ("{% node_url entries_by_day year=date|date:'Y' month=date|date:'m' day=date|date:'d' for node2 as goodbye %}{{ goodbye|upper }}", "/ROOT/BLOG/2010/10/20"), - ("{% node_url entries_by_month year=date|date:'Y' month=date|date:'m' for node2 %}", "/root/blog/2010/10"), - ("{% node_url entries_by_year year=date|date:'Y' for node2 %}", "/root/blog/2010/"), + ("{% node_url with entry for node2 %}", "/root/second2/2010/10/20/first-entry"), + ("{% node_url with tag for node2 %}", "/root/second2/tags/test-tag/"), + ("{% node_url with date for node2 %}", "/root/second2/2010/10/20"), + ("{% node_url entries_by_day year=date|date:'Y' month=date|date:'m' day=date|date:'d' for node2 as goodbye %}{{ goodbye|upper }}", "/ROOT/SECOND2/2010/10/20"), + ("{% node_url entries_by_month year=date|date:'Y' month=date|date:'m' for node2 %}", "/root/second2/2010/10"), + ("{% node_url entries_by_year year=date|date:'Y' for node2 %}", "/root/second2/2010/"), ] nodes = Node.objects.all() blog = Blog.objects.all()[0] self.context = template.Context({ - 'node': nodes[0], - 'node2': nodes[1], + 'node': nodes.get(slug='second'), + 'node2': nodes.get(slug='second2'), 'nodes': nodes, 'entry': BlogEntry.objects.all()[0], 'tag': blog.entry_tags.all()[0], @@ -57,52 +58,55 @@ class TreePathTestCase(TestCase): command = Command() command.handle(all_apps=True) - def test_has_ancestor(self): + def assertQueryLimit(self, max, expected_result, *args, **kwargs): + # As a rough measure of efficiency, limit the number of queries required for a given operation. + settings.DEBUG = True + try: + queries = len(connection.queries) + if isinstance(expected_result, type) and issubclass(expected_result, Exception): + self.assertRaises(expected_result, Node.objects.get_with_path, *args, **kwargs) + else: + self.assertEqual(Node.objects.get_with_path(*args, **kwargs), expected_result) + queries = len(connection.queries) - queries + if queries > max: + raise AssertionError('"%d" unexpectedly not less than or equal to "%s"' % (queries, max)) + finally: + settings.DEBUG = False + + def test_get_with_path(self): root = Node.objects.get(slug='root') third = Node.objects.get(slug='third') - r1 = Node.objects.get(slug='recursive1') - r2 = Node.objects.get(slug='recursive2') - pr1 = Node.objects.get(slug='postrecursive1') + second2 = Node.objects.get(slug='second2') + fifth = Node.objects.get(slug='fifth') + e = Node.DoesNotExist - # Simple case: straight path - self.assertEqual(third.has_ancestor(root), True) - self.assertEqual(root.has_ancestor(root), False) - self.assertEqual(root.has_ancestor(None), True) - self.assertEqual(third.has_ancestor(None), True) - self.assertEqual(root.has_ancestor(root, inclusive=True), True) + # Empty segments + self.assertQueryLimit(0, root, '', root=root) + self.assertQueryLimit(0, e, '') + self.assertQueryLimit(0, (root, None), '', root=root, absolute_result=False) - # Recursive case - self.assertEqual(r1.has_ancestor(r1), True) - self.assertEqual(r1.has_ancestor(r2), True) - self.assertEqual(r2.has_ancestor(r1), True) - self.assertEqual(r2.has_ancestor(None), False) + # Absolute result + self.assertQueryLimit(1, third, 'root/second/third') + self.assertQueryLimit(1, third, 'second/third', root=root) + self.assertQueryLimit(1, third, 'root//////second/third///') - # Post-recursive case - self.assertEqual(pr1.has_ancestor(r1), True) - self.assertEqual(pr1.has_ancestor(pr1), False) - self.assertEqual(pr1.has_ancestor(pr1, inclusive=True), True) - self.assertEqual(pr1.has_ancestor(None), False) - self.assertEqual(pr1.has_ancestor(root), False) - - def test_get_path(self): - root = Node.objects.get(slug='root') - third = Node.objects.get(slug='third') - r1 = Node.objects.get(slug='recursive1') - r2 = Node.objects.get(slug='recursive2') - pr1 = Node.objects.get(slug='postrecursive1') + self.assertQueryLimit(1, e, 'root/secont/third') + self.assertQueryLimit(1, e, 'second/third') - # Simple case: straight path to None - self.assertEqual(root.get_path(), 'root') - self.assertEqual(third.get_path(), 'root/never/more/second/third') + # Non-absolute result (binary search) + self.assertQueryLimit(2, (second2, 'sub/path/tail'), 'root/second2/sub/path/tail', absolute_result=False) + self.assertQueryLimit(3, (second2, 'sub/'), 'root/second2/sub/', absolute_result=False) + self.assertQueryLimit(2, e, 'invalid/path/1/2/3/4/5/6/7/8/9/1/2/3/4/5/6/7/8/9/0', absolute_result=False) + self.assertQueryLimit(1, (root, None), 'root', absolute_result=False) + self.assertQueryLimit(2, (second2, None), 'root/second2', absolute_result=False) + self.assertQueryLimit(3, (third, None), 'root/second/third', absolute_result=False) - # Recursive case: Looped path to root None - self.assertEqual(r1.get_path(), u'\u2026/recursive1/recursive2/recursive3/recursive1') - self.assertEqual(pr1.get_path(), u'\u2026/recursive3/recursive1/recursive2/recursive3/postrecursive1') + # with root != None + self.assertQueryLimit(1, (second2, None), 'second2', root=root, absolute_result=False) + self.assertQueryLimit(2, (third, None), 'second/third', root=root, absolute_result=False) - # Simple error case: straight invalid path - self.assertRaises(AncestorDoesNotExist, root.get_path, root=third) - self.assertRaises(AncestorDoesNotExist, third.get_path, root=pr1) + # Preserve trailing slash + self.assertQueryLimit(2, (second2, 'sub/path/tail/'), 'root/second2/sub/path/tail/', absolute_result=False) - # Recursive error case - self.assertRaises(AncestorDoesNotExist, r1.get_path, root=root) - self.assertRaises(AncestorDoesNotExist, pr1.get_path, root=third) \ No newline at end of file + # Speed increase for leaf nodes - should this be tested? + self.assertQueryLimit(1, (fifth, 'sub/path/tail/len/five'), 'root/second/third/fourth/fifth/sub/path/tail/len/five', absolute_result=False) \ No newline at end of file