def test_update_attr(self):
left = u'<document><node attr="val"/></document>'
action = actions.UpdateAttrib('/document/node', 'attr', 'newval')
expected = START + u' attr="newval" diff:update-attr="attr:val"/>'\
u'</document>'
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_update_attr(self):
action = actions.UpdateAttrib("/document/node", "attr", "newval")
expected = '[update, /document/node/@attr, "newval"]'
self._format_test(action, expected)
def test_update_attr(self):
left = '<document><node attr="val"/></document>'
action = actions.UpdateAttrib("/document/node", "attr", "newval")
expected = START + ' attr="newval" diff:update-attr="attr:val"/>' "</document>"
self._format_test(left, action, expected)
def _handle_update_attribute(self, node, name, value):
return actions.UpdateAttrib(node, name, loads(value))
def test_update_attr(self):
action = actions.UpdateAttrib('/document/node', 'attr', 'newval')
expected = '[update, /document/node/@attr, "newval"]'
self._format_test(action, expected)
