From 68bac65d2e7bc0c0d3fc3ce44e310c7edcab8e10 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 20 Aug 2009 18:47:57 -0300 Subject: [PATCH] regtest: Convert the regtests to a python script and include it in the repo I'm using it using a directory with all debuginfo packages in fedora, so that I can run a before and after with different tools (pahole, pfunct), and check the differences after some change. Signed-off-by: Arnaldo Carvalho de Melo --- MANIFEST | 1 + regtest.py | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 139 insertions(+) create mode 100755 regtest.py diff --git a/MANIFEST b/MANIFEST index b6e40a4..9534674 100644 --- a/MANIFEST +++ b/MANIFEST @@ -48,3 +48,4 @@ ostra/python/ostra.py ctf.h libctf.c libctf.h +regtest.py diff --git a/regtest.py b/regtest.py new file mode 100755 index 0000000..96141b6 --- /dev/null +++ b/regtest.py @@ -0,0 +1,138 @@ +#! /usr/bin/python +# -*- python -*- +# -*- coding: utf-8 -*- +# tuna - Application Tuning GUI +# Copyright (C) 2009 Arnaldo Carvalho de Melo +# Arnaldo Carvalho de Melo +# +# This application is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2. +# +# This application is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. + +import filecmp, os, sys + +regtest_output_dir = "/media/tb/pahole/regtest/" +regtest_obj_dir = "/media/tb/debuginfo/usr/lib/debug/" +tools = ("pahole -A",) +len_debug_dir = len(regtest_obj_dir) +len_regtest_output_dir_before = len(regtest_output_dir) + len("before/") +verbose = 1 + +def diff_file(tool_filename): + command = 'diff -u "%s" "%s" > /tmp/regtest.diff' % \ + (os.path.join(regtest_output_dir, "before", tool_filename), + os.path.join(regtest_output_dir, "after", tool_filename)) + if verbose > 0: + print command + os.system(command) + os.system("vim /tmp/regtest.diff") + +def dir_has_no_diffs(dirname): + return os.access(os.path.join(dirname, ".no_diffs"), os.F_OK) + +def set_dir_has_no_diffs(dirname): + f = file(os.path.join(dirname, ".no_diffs"), "w") + f.close() + +def reset_dir_has_no_diffs(dirname): + os.unlink(os.path.join(dirname, ".no_diffs")) + +def diff_dir(before, after, dir = None): + if dir: + before = os.path.join(before, dir) + after = os.path.join(after, dir) + print "\r%-120s" % before, + sys.stdout.flush() + diff = filecmp.dircmp(before, after) + if not dir_has_no_diffs(after): + diff_files = diff.diff_files + if diff_files: + print "\n %s:\n %s" % (before, diff_files) + sys.stdout.flush() + for f in diff_files: + diff_file(os.path.join(before[len_regtest_output_dir_before:], f)) + else: + set_dir_has_no_diffs(after) + for dir in diff.common_dirs: + diff_dir(before, after, dir) + +def do_diffs(): + before = os.path.join(regtest_output_dir, "before") + after = os.path.join(regtest_output_dir, "after") + diff_dir(before, after) + +def do_tool(tool, before_after, dirname, fname, prepend_obj_dir = False): + if prepend_obj_dir: + fname += ".debug" + fixed_dirname = dirname + else: + fixed_dirname = dirname[len_debug_dir:] + tool_output_dir = os.path.join(regtest_output_dir, + before_after, + fixed_dirname) + try: + os.makedirs(tool_output_dir) + except: + pass + if dir_has_no_diffs(tool_output_dir): + reset_dir_has_no_diffs(tool_output_dir) + obj_path = os.path.join(dirname, fname) + if prepend_obj_dir: + obj_path = os.path.join(regtest_obj_dir, obj_path) + command = '%s %s > "%s.%s.c"' % (tool, obj_path, + os.path.join(tool_output_dir, + fname[:-6]), tool) + if verbose > 1: + print command + elif verbose > 0: + print os.path.join(fixed_dirname, fname[:-6]) + os.system(command) + +def do_tool_on_files(arg, dirname, fnames): + if dirname.find("/.") >= 0: + return + tool, before_after = arg + for fname in fnames: + if fname[-6:] != ".debug": + continue + + do_tool(tool, before_after, dirname, fname) + +def do_tools(before_after): + for tool in tools: + os.path.walk(regtest_obj_dir, do_tool_on_files, (tool, before_after)) + +def do_move(): + print 'rm -f regtest_output_dir/before/*' + print 'mv -f regtest_output_dir/after/* regtest_output_dir/before/' + +def main(argv): + try: + if argv[1] in ('before', 'after'): + if len(argv) > 3: + dirname = argv[2] + for fname in argv[3:]: + for tool in tools: + do_tool(tool, argv[1], dirname, fname, True) + else: + do_tools(argv[1]) + elif argv[1] == 'diff': + if len(argv) > 3: + dirname = argv[2] + for fname in argv[3:]: + for tool in tools: + diff_file("%s.%s.c" % (os.path.join(dirname, fname), tool)) + else: + do_diffs() + elif argv[1] == 'move': + do_move() + except IOError: + pass + +if __name__ == '__main__': + main(sys.argv)