def testUnrecognizedEditDirective(self):
old_text = "123 456 789"
edit = apply_edits.Edit('unknown_directive', 123, 456, "foo")
expected_msg_regex = 'Unrecognized edit directive "unknown_directive"'
expected_msg_regex += '.*some_file.cc'
with self.assertRaisesRegexp(ValueError, expected_msg_regex):
_ApplyEdit(old_text, edit)
def testUtf8BomMarker(self):
# Test based on
# //chrome/browser/ui/views/payments/payment_sheet_view_controller.cc
# which at some point began as follows:
# 00000000: efbb bf2f 2f20 436f 7079 7269 6768 7420 ...// Copyright
#
# Previous versions of apply_edits.py would not skip the BOM marker when
# figuring out where to insert the new include header.
old_contents = u'''\ufeff// Copyright
#include "old/header.h"
'''
expected_new_contents = u'''\ufeff// Copyright
#include "new/header.h"
#include "old/header.h"
'''
actual = bytearray()
actual.extend(old_contents.encode('utf-8'))
expected = bytearray()
expected.extend(expected_new_contents.encode('utf-8'))
# Test sanity check (i.e. not an assertion about code under test).
utf8_bom = [0xef, 0xbb, 0xbf]
self._assertEqualContents(list(actual[0:3]), utf8_bom)
self._assertEqualContents(list(expected[0:3]), utf8_bom)
# Actual test.
edit = apply_edits.Edit('include-user-header', -1, -1, "new/header.h")
apply_edits._ApplySingleEdit("foo/impl.cc", actual, edit, None)
self._assertEqualContents(expected, actual)
def _CreateReplacement(content_string, old_substring, new_substring):
""" Test helper for creating an Edit object with the right offset, etc. """
offset = content_string.find(old_substring)
return apply_edits.Edit('r', offset, len(old_substring), new_substring)
def _InsertHeader(old_contents,
contents_filepath='foo/impl.cc',
new_header_path='new/header.h'):
edit = apply_edits.Edit('include-user-header', -1, -1, new_header_path)
return _ApplyEdit(old_contents, edit, contents_filepath=contents_filepath)