VimPlug/parso
1
0
Fork 0
mirror of https://github.com/davidhalter/parso.git synced 2025-12-06 12:54:29 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Introduce a redo flag 'only_last' to narrow down issues

Browse Source
This commit is contained in:
Dave Halter
2019-01-05 14:20:30 +01:00
parent d202fdea49
commit 4d713f56e9
1 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
test/fuzz_diff_parser.py
View File

@@ -1,7 +1,9 @@
""" """
A script to find bugs in the diff parser.
Usage: Usage:
fuzz_diff_parser.py [--pdb|--ipdb] [-l] [-n=<nr>] [-x=<nr>] random [<path>] fuzz_diff_parser.py [--pdb|--ipdb] [-l] [-n=<nr>] [-x=<nr>] random [<path>]
fuzz_diff_parser.py [--pdb|--ipdb] [-l] redo fuzz_diff_parser.py [--pdb|--ipdb] [-l] redo [-o=<nr>]
fuzz_diff_parser.py -h | --help fuzz_diff_parser.py -h | --help
Options: Options:
@@ -9,6 +11,7 @@ Options:
-n, --maxtries=<nr> Maximum of random tries [default: 100] -n, --maxtries=<nr> Maximum of random tries [default: 100]
-x, --changes=<nr> Amount of changes to be done to a file per try [default: 2] -x, --changes=<nr> Amount of changes to be done to a file per try [default: 2]
-l, --logging Prints all the logs -l, --logging Prints all the logs
-o, --only-last=<nr> Only runs the last n iterations. Defaults to running all.
--pdb Launch pdb when error is raised --pdb Launch pdb when error is raised
--ipdb Launch ipdb when error is raised --ipdb Launch ipdb when error is raised
""" """
@@ -131,8 +134,11 @@ class FileTests:
pdb.post_mortem(einfo[2]) pdb.post_mortem(einfo[2])
raise raise
def redo(self, grammar, debugger): def redo(self, grammar, debugger, *, only_last):
self._run(grammar, self._file_modifications, debugger) mods = self._file_modifications
if only_last is not None:
mods = mods[-only_last:]
self._run(grammar, mods, debugger)
def run(self, grammar, debugger): def run(self, grammar, debugger):
def iterate(): def iterate():
@@ -162,7 +168,8 @@ def main(arguments):
if arguments['redo']: if arguments['redo']:
with open(redo_file, 'rb') as f: with open(redo_file, 'rb') as f:
file_tests_obj = pickle.load(f) file_tests_obj = pickle.load(f)
file_tests_obj.redo(grammar, debugger) only_last = arguments['--only-last'] and int(arguments['--only-last'])
file_tests_obj.redo(grammar, debugger, only_last=only_last)
elif arguments['random']: elif arguments['random']:
# A random file is used to do diff parser checks if no file is given. # A random file is used to do diff parser checks if no file is given.
# This helps us to find errors in a lot of different files. # This helps us to find errors in a lot of different files.