def test_rename_no_overwrite(self):
workdir = fileutil.abspath_expanduser_unicode(
u"test_rename_no_overwrite")
fileutil.make_dirs(workdir)
source_path = os.path.join(workdir, "source")
dest_path = os.path.join(workdir, "dest")
# when neither file exists
self.failUnlessRaises(OSError, fileutil.rename_no_overwrite,
source_path, dest_path)
# when only dest exists
fileutil.write(dest_path, b"dest")
self.failUnlessRaises(OSError, fileutil.rename_no_overwrite,
source_path, dest_path)
self.failUnlessEqual(fileutil.read(dest_path), b"dest")
# when both exist
fileutil.write(source_path, b"source")
self.failUnlessRaises(OSError, fileutil.rename_no_overwrite,
source_path, dest_path)
self.failUnlessEqual(fileutil.read(source_path), b"source")
self.failUnlessEqual(fileutil.read(dest_path), b"dest")
# when only source exists
os.remove(dest_path)
fileutil.rename_no_overwrite(source_path, dest_path)
self.failUnlessEqual(fileutil.read(dest_path), b"source")
self.failIf(os.path.exists(source_path))
def _rename_deleted_file(self, abspath_u):
self._log('renaming deleted file to backup: %s' % (abspath_u,))
try:
fileutil.rename_no_overwrite(abspath_u, abspath_u + u'.backup')
except OSError:
self._log("Already gone: '%s'" % (abspath_u,))
return abspath_u
def _rename_deleted_file(self, abspath_u):
self._log('renaming deleted file to backup: %s' % (abspath_u,))
try:
fileutil.rename_no_overwrite(abspath_u, abspath_u + u'.backup')
except OSError:
self._log("Already gone: '%s'" % (abspath_u,))
return abspath_u
def _rename_conflicted_file(self, abspath_u, replacement_path_u):
self._log("_rename_conflicted_file(%r, %r)" % (abspath_u, replacement_path_u))
conflict_path_u = self._get_conflicted_filename(abspath_u)
if False:
if os.path.isfile(replacement_path_u):
print "%r exists" % (replacement_path_u,)
if os.path.isfile(conflict_path_u):
print "%r exists" % (conflict_path_u,)
fileutil.rename_no_overwrite(replacement_path_u, conflict_path_u)
return conflict_path_u
def _rename_conflicted_file(self, abspath_u, replacement_path_u):
self._log("_rename_conflicted_file(%r, %r)" % (abspath_u, replacement_path_u))
conflict_path_u = self._get_conflicted_filename(abspath_u)
if False:
if os.path.isfile(replacement_path_u):
print "%r exists" % (replacement_path_u,)
if os.path.isfile(conflict_path_u):
print "%r exists" % (conflict_path_u,)
fileutil.rename_no_overwrite(replacement_path_u, conflict_path_u)
return conflict_path_u
