def test_remove_principal(dummy_user, dummy_event):
folder = AttachmentFolder(object=dummy_event, is_default=True)
assert not folder.acl_entries
entry = folder.update_principal(dummy_user, read_access=True)
assert folder.acl_entries == {entry}
folder.remove_principal(dummy_user)
assert not folder.acl_entries
# doesn't do anything but must not fail either
folder.remove_principal(dummy_user)
assert not folder.acl_entries
def test_update_principal(dummy_user, dummy_event):
folder = AttachmentFolder(object=dummy_event, is_default=True)
assert not folder.acl_entries
# not changing anything -> shouldn't be added to acl
entry = folder.update_principal(dummy_user)
assert entry is None
assert not folder.acl_entries
# adding user with read access -> new acl entry since the user isn't in there yet
entry = initial_entry = folder.update_principal(dummy_user, read_access=True)
assert folder.acl_entries == {entry}
# not changing anything on existing principal -> shouldn't modify acl
entry = folder.update_principal(dummy_user)
assert entry is initial_entry
assert folder.acl_entries == {entry}
# granting permission which is already present -> shouldn't modify acl
entry = folder.update_principal(dummy_user, read_access=True)
assert entry is initial_entry
assert folder.acl_entries == {entry}
# removing read access -> acl entry is removed
entry = folder.update_principal(dummy_user, read_access=False)
assert entry is None
assert not folder.acl_entries
