def test_abspath_overlap(self):
base = "/foo/bar"
# simple
self.assertEqual('SAME_AS', realpath_relation("/foo", "/foo"))
self.assertEqual('SAME_AS', realpath_relation("/", "/"))
# denormalized
self.assertEqual('SAME_AS', realpath_relation("/foo/.", "/foo/bar/../"))
# subdir
self.assertEqual('PARENT_OF', realpath_relation("/foo", "/foo/bar/baz/bam"))
self.assertEqual('CHILD_OF', realpath_relation("/foo/bar/baz/bam", "/foo"))
## Negatives
self.assertEqual(None, realpath_relation("/foo", "/bar"))
self.assertEqual(None, realpath_relation("/foo", "/foo2"))
self.assertEqual(None, realpath_relation("/foo/bar", "/foo/ba"))
self.assertEqual(None, realpath_relation("/foo/ba", "/foo/bar/baz"))
self.assertEqual(None, realpath_relation("/foo/bar/baz", "/foo/ba"))
def insert_element(self, new_config_elt, merge_strategy='KillAppend'):
"""
Insert ConfigElement to self.trees, checking for duplicate
local-name or path first. In case local_name matches, follow
given strategy
- KillAppend (default): remove old element, append new at the end
- MergeReplace: remove first hit, insert new at that position.
- MergeKeep: Discard new element
In case local path matches but local name does not, raise Exception
:returns: the action performed None, 'Append', 'KillAppend',
'MergeReplace', 'MergeKeep'
"""
removals = []
replaced = False
for index, loop_elt in enumerate(self.trees):
# if paths are os.path.realpath, no symlink problems.
relationship = realpath_relation(loop_elt.get_path(),
new_config_elt.get_path())
if relationship == 'SAME_AS':
if os.path.normpath(loop_elt.get_local_name()) != os.path.normpath(new_config_elt.get_local_name()):
raise MultiProjectException("Elements with different local_name target the same path: %s, %s" % (loop_elt, new_config_elt))
else:
if (loop_elt == new_config_elt):
return None
if (merge_strategy == 'MergeReplace' or
(merge_strategy == 'KillAppend' and
index == len(self.trees) - 1)):
self.trees[index] = new_config_elt
# keep looping to check for overlap when replacing non-
# scm with scm entry
replaced = True
if (loop_elt.is_vcs_element or not new_config_elt.is_vcs_element):
return 'MergeReplace'
elif merge_strategy == 'KillAppend':
removals.append(loop_elt)
elif merge_strategy == 'MergeKeep':
return 'MergeKeep'
else:
raise LookupError(
"No such merge strategy: %s" % str(merge_strategy))
elif ((relationship == 'CHILD_OF' and new_config_elt.is_vcs_element())
or (relationship == 'PARENT_OF' and loop_elt.is_vcs_element())):
# we do not allow any elements to be children of scm elements
# to allow for parallel updates and because wstool may
# delete scm folders on update, and thus subfolders can be
# deleted with their parents
raise MultiProjectException(
"Managed Element paths overlap: %s, %s" % (loop_elt,
new_config_elt))
if replaced:
return 'MergeReplace'
for loop_elt in removals:
self.trees.remove(loop_elt)
self.trees.append(new_config_elt)
if len(removals) > 0:
return 'KillAppend'
return 'Append'
def test_abspath_overlap(self):
base = "/foo/bar"
# simple
self.assertEqual('SAME_AS', realpath_relation("/foo", "/foo"))
self.assertEqual('SAME_AS', realpath_relation("/", "/"))
# denormalized
self.assertEqual('SAME_AS', realpath_relation("/foo/.",
"/foo/bar/../"))
# subdir
self.assertEqual('PARENT_OF',
realpath_relation("/foo", "/foo/bar/baz/bam"))
self.assertEqual('CHILD_OF',
realpath_relation("/foo/bar/baz/bam", "/foo"))
## Negatives
self.assertEqual(None, realpath_relation("/foo", "/bar"))
self.assertEqual(None, realpath_relation("/foo", "/foo2"))
self.assertEqual(None, realpath_relation("/foo/bar", "/foo/ba"))
self.assertEqual(None, realpath_relation("/foo/ba", "/foo/bar/baz"))
self.assertEqual(None, realpath_relation("/foo/bar/baz", "/foo/ba"))
def insert_element(self, new_config_elt, merge_strategy='KillAppend'):
"""
Insert ConfigElement to self.trees, checking for duplicate
local-name or path first. In case local_name matches, follow
given strategy
- KillAppend (default): remove old element, append new at the end
- MergeReplace: remove first hit, insert new at that position.
- MergeKeep: Discard new element
In case local path matches but local name does not, raise Exception
:returns: the action performed None, 'Append', 'KillAppend',
'MergeReplace', 'MergeKeep'
"""
removals = []
replaced = False
for index, loop_elt in enumerate(self.trees):
# if paths are os.path.realpath, no symlink problems.
relationship = realpath_relation(loop_elt.get_path(),
new_config_elt.get_path())
if relationship == 'SAME_AS':
if os.path.normpath(
loop_elt.get_local_name()) != os.path.normpath(
new_config_elt.get_local_name()):
raise MultiProjectException(
"Elements with different local_name target the same path: %s, %s"
% (loop_elt, new_config_elt))
else:
if (loop_elt == new_config_elt):
return None
if (merge_strategy == 'MergeReplace'
or (merge_strategy == 'KillAppend'
and index == len(self.trees) - 1)):
self.trees[index] = new_config_elt
# keep looping to check for overlap when replacing non-
# scm with scm entry
replaced = True
if (loop_elt.is_vcs_element
or not new_config_elt.is_vcs_element):
return 'MergeReplace'
elif merge_strategy == 'KillAppend':
removals.append(loop_elt)
elif merge_strategy == 'MergeKeep':
return 'MergeKeep'
else:
raise LookupError("No such merge strategy: %s" %
str(merge_strategy))
elif ((relationship == 'CHILD_OF'
and new_config_elt.is_vcs_element()) or
(relationship == 'PARENT_OF' and loop_elt.is_vcs_element())):
# we do not allow any elements to be children of scm elements
# to allow for parallel updates and because wstool may
# delete scm folders on update, and thus subfolders can be
# deleted with their parents
raise MultiProjectException(
"Managed Element paths overlap: %s, %s" %
(loop_elt, new_config_elt))
if replaced:
return 'MergeReplace'
for loop_elt in removals:
self.trees.remove(loop_elt)
self.trees.append(new_config_elt)
if len(removals) > 0:
return 'KillAppend'
return 'Append'
