def test_trees_unequal_children(self):
a = Bucket.add_root(self.widgy_site)
a.add_child(self.widgy_site, RawTextWidget, text='a')
a.add_child(self.widgy_site, RawTextWidget, text='b')
b = Bucket.add_root(self.widgy_site)
b.add_child(self.widgy_site, RawTextWidget, text='a')
self.assertFalse(a.node.trees_equal(b.node))
def test_trees_unequal_children(self):
a = Bucket.add_root(self.widgy_site)
a.add_child(self.widgy_site, RawTextWidget, text='a')
a.add_child(self.widgy_site, RawTextWidget, text='b')
b = Bucket.add_root(self.widgy_site)
b.add_child(self.widgy_site, RawTextWidget, text='a')
self.assertFalse(a.node.trees_equal(b.node))
def test_tree_structure_versioned(self):
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(
self.widgy_site,
RawTextWidget,
text='a')
root_node.content.add_child(
self.widgy_site,
RawTextWidget,
text='b')
# if the root_node isn't refetched, get_children is somehow empty. I
# don't know why
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit1 = tracker.commit()
new_a, new_b = tracker.working_copy.content.get_children()
new_b.reposition(self.widgy_site, right=new_a)
tracker.working_copy = Node.objects.get(pk=root_node.pk)
commit2 = tracker.commit()
self.assertEqual(['a', 'b'],
[i.content.text for i in commit1.root_node.get_children()])
self.assertEqual(['b', 'a'],
[i.content.text for i in commit2.root_node.get_children()])
def test_clone_tree_uses_prefetch(self):
root = Bucket.add_root(self.widgy_site)
root.add_child(self.widgy_site, RawTextWidget, text='a')
root.add_child(self.widgy_site, RawTextWidget, text='b')
root_node = root.node
root_node.prefetch_tree()
# - root content (1 query)
# - root node (2 queries)
# - 2 text contents (2 queries)
# - subnodes (1 query)
with self.assertNumQueries(6):
root_node.clone_tree()
def test_clone_tree_uses_prefetch(self):
root = Bucket.add_root(self.widgy_site)
root.add_child(self.widgy_site, RawTextWidget, text='a')
root.add_child(self.widgy_site, RawTextWidget, text='b')
root_node = root.node
root_node.prefetch_tree()
# - root content (1 query)
# - root node (2 queries)
# - 2 text contents (2 queries)
# - subnodes (1 query)
with self.assertNumQueries(6):
root_node.clone_tree()
def test_old_structure_cant_change(self):
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(self.widgy_site, RawTextWidget, text='a')
root_node.content.add_child(self.widgy_site, RawTextWidget, text='b')
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit = tracker.commit()
a, b = Node.objects.get(pk=commit.root_node.pk).content.get_children()
with self.assertRaises(InvalidOperation):
b.reposition(self.widgy_site, right=a)
with self.assertRaises(InvalidOperation):
commit.root_node.content.add_child(self.widgy_site, RawTextWidget, text='c')
self.assertEqual([i.content.text for i in commit.root_node.get_children()],
['a', 'b'])
def test_deep_deletion_prevented(self):
# do the deletion on something other than the root node
related = Related.objects.create()
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(self.widgy_site, ForeignKeyWidget, foo=related)
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit = tracker.commit()
# the related object must not be able to be deleted
with self.assertRaises((ProtectedError, InvalidOperation)):
with atomic_or_nop():
related.delete()
# the related object must still exist
Related.objects.get(pk=related.pk)
# the node and content must still exist
Node.objects.get(pk=commit.root_node.pk)
ForeignKeyWidget.objects.get(pk=commit.root_node.content.get_children()[0].pk)
def test_old_structure_cant_change(self):
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(self.widgy_site, RawTextWidget, text='a')
root_node.content.add_child(self.widgy_site, RawTextWidget, text='b')
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit = tracker.commit()
a, b = Node.objects.get(pk=commit.root_node.pk).content.get_children()
with self.assertRaises(InvalidOperation):
b.reposition(self.widgy_site, right=a)
with self.assertRaises(InvalidOperation):
commit.root_node.content.add_child(self.widgy_site,
RawTextWidget,
text='c')
self.assertEqual(
[i.content.text for i in commit.root_node.get_children()],
['a', 'b'])
def test_tree_structure_versioned(self):
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(self.widgy_site, RawTextWidget, text='a')
root_node.content.add_child(self.widgy_site, RawTextWidget, text='b')
# if the root_node isn't refetched, get_children is somehow empty. I
# don't know why
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit1 = tracker.commit()
new_a, new_b = tracker.working_copy.content.get_children()
new_b.reposition(self.widgy_site, right=new_a)
tracker.working_copy = Node.objects.get(pk=root_node.pk)
commit2 = tracker.commit()
self.assertEqual(
['a', 'b'],
[i.content.text for i in commit1.root_node.get_children()])
self.assertEqual(
['b', 'a'],
[i.content.text for i in commit2.root_node.get_children()])
def test_deep_deletion_prevented(self):
# do the deletion on something other than the root node
related = Related.objects.create()
root_node = Bucket.add_root(self.widgy_site).node
root_node.content.add_child(self.widgy_site,
ForeignKeyWidget,
foo=related)
root_node = Node.objects.get(pk=root_node.pk)
tracker = VersionTracker.objects.create(working_copy=root_node)
commit = tracker.commit()
# the related object must not be able to be deleted
with self.assertRaises((ProtectedError, InvalidOperation)):
with atomic_or_nop():
related.delete()
# the related object must still exist
Related.objects.get(pk=related.pk)
# the node and content must still exist
Node.objects.get(pk=commit.root_node.pk)
ForeignKeyWidget.objects.get(
pk=commit.root_node.content.get_children()[0].pk)