def test_move_attr(self):
# The library currently only uses move attr for when attributes are
# renamed:
left = '<document><node attr="val">Text</node></document>'
action = actions.RenameAttrib("/document/node", "attr", "bottr")
expected = START + ' bottr="val" diff:rename-attr="attr:bottr"' ">Text" + END
self._format_test(left, action, expected)
def update_node_attr(self, left, right):
left_xpath = utils.getpath(left)
# Update: Look for differences in attributes
left_keys = set(left.attrib.keys())
right_keys = set(right.attrib.keys())
new_keys = right_keys.difference(left_keys)
removed_keys = left_keys.difference(right_keys)
common_keys = left_keys.intersection(right_keys)
# We sort the attributes to get a consistent order in the edit script.
# That's only so we can do testing in a reasonable way...
for key in sorted(common_keys):
if left.attrib[key] != right.attrib[key]:
yield actions.UpdateAttrib(left_xpath, key, right.attrib[key])
left.attrib[key] = right.attrib[key]
# Align: Not needed here, we don't care about the order of
# attributes.
# Move: Check if any of the new attributes have the same value
# as the removed attributes. If they do, it's actually
# a renaming, and a move is one action instead of remove + insert
newattrmap = {v: k for (k, v) in right.attrib.items() if k in new_keys}
for lk in sorted(removed_keys):
value = left.attrib[lk]
if value in newattrmap:
rk = newattrmap[value]
yield actions.RenameAttrib(left_xpath, lk, rk)
# Remove from list of new attributes
new_keys.remove(rk)
# Delete used attribute from map of attributes
del newattrmap[value]
# Update left node
left.attrib[rk] = value
del left.attrib[lk]
# Insert: Find new attributes
for key in sorted(new_keys):
yield actions.InsertAttrib(left_xpath, key, right.attrib[key])
left.attrib[key] = right.attrib[key]
# Delete: remove removed attributes
for key in sorted(removed_keys):
if key not in left.attrib:
# This was already moved
continue
yield actions.DeleteAttrib(left_xpath, key)
del left.attrib[key]
def test_rename_attr(self):
action = actions.RenameAttrib("/document/node", "attr", "bottr")
expected = "[rename-attribute, /document/node, attr, bottr]"
self._format_test(action, expected)
def _handle_rename_attribute(self, node, oldname, newname):
return actions.RenameAttrib(node, oldname, newname)
def test_rename_attr(self):
action = actions.RenameAttrib('/document/node', 'attr', 'bottr')
expected = '[rename-attribute, /document/node, attr, bottr]'
self._format_test(action, expected)