def patch_test(new_value: Any):
event1 = ModelChangedEvent(d, root1, 'foo', new_value)
patch1 = patch_doc.create([event1]).content
d.apply_json_patch(patch1)
if isinstance(new_value, dict):
return root1.lookup('foo').get_value(root1)
else:
return root1.foo
def test_patch_reference_property(self) -> None:
d = document.Document()
assert not d.roots
assert len(d.models) == 0
root1 = SomeModelInTestDocument(foo=42)
root2 = SomeModelInTestDocument(foo=43)
child1 = SomeModelInTestDocument(foo=44)
child2 = SomeModelInTestDocument(foo=45)
child3 = SomeModelInTestDocument(foo=46, child=child2)
root1.child = child1
root2.child = child1
d.add_root(root1)
d.add_root(root2)
assert len(d.roots) == 2
assert child1.id in d.models
assert child2.id not in d.models
assert child3.id not in d.models
event1 = ModelChangedEvent(d, root1, 'child', child3)
patch1 = patch_doc.create([event1]).content
d.apply_json_patch(patch1)
assert root1.child.id == child3.id
assert root1.child.child.id == child2.id
assert child1.id in d.models
assert child2.id in d.models
assert child3.id in d.models
# put it back how it was before
event2 = ModelChangedEvent(d, root1, 'child', child1)
patch2 = patch_doc.create([event2]).content
d.apply_json_patch(patch2)
assert root1.child.id == child1.id
assert root1.child.child is None
assert child1.id in d.models
assert child2.id not in d.models
assert child3.id not in d.models
def test_patch_integer_property(self) -> None:
d = document.Document()
assert not d.roots
assert len(d.models) == 0
root1 = SomeModelInTestDocument(foo=42)
root2 = SomeModelInTestDocument(foo=43)
child1 = SomeModelInTestDocument(foo=44)
root1.child = child1
root2.child = child1
d.add_root(root1)
d.add_root(root2)
assert len(d.roots) == 2
event1 = ModelChangedEvent(d, root1, 'foo', 57)
patch1 = patch_doc.create([event1]).content
d.apply_json_patch(patch1)
assert root1.foo == 57
event2 = ModelChangedEvent(d, child1, 'foo', 67)
patch2 = patch_doc.create([event2]).content
d.apply_json_patch(patch2)
assert child1.foo == 67
def test_patch_two_properties_at_once(self) -> None:
d = document.Document()
assert not d.roots
assert len(d.models) == 0
root1 = SomeModelInTestDocument(foo=42)
child1 = SomeModelInTestDocument(foo=43)
root1.child = child1
d.add_root(root1)
assert len(d.roots) == 1
assert root1.child == child1
assert root1.foo == 42
assert root1.child.foo == 43
child2 = SomeModelInTestDocument(foo=44)
event1 = ModelChangedEvent(d, root1, 'foo', 57)
event2 = ModelChangedEvent(d, root1, 'child', child2)
patch1 = patch_doc.create([event1, event2]).content
d.apply_json_patch(patch1)
assert root1.foo == 57
assert root1.child.foo == 44