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#!/usr/bin/env python2
# encoding=utf-8
# Copyright © 2018 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Run glcpp tests with various line endings."""
from __future__ import print_function
import argparse
import difflib
import io
import os
import subprocess
import sys
import tempfile
def arg_parser():
parser = argparse.ArgumentParser()
parser.add_argument('glcpp', help='Path to the he glcpp binary.')
parser.add_argument('testdir', help='Path to tests and expected output.')
parser.add_argument('--unix', action='store_true', help='Run tests for Unix style newlines')
parser.add_argument('--windows', action='store_true', help='Run tests for Windows/Dos style newlines')
parser.add_argument('--oldmac', action='store_true', help='Run tests for Old Mac (pre-OSX) style newlines')
parser.add_argument('--bizarro', action='store_true', help='Run tests for Bizarro world style newlines')
parser.add_argument('--valgrind', action='store_true', help='Run with valgrind for errors')
return parser.parse_args()
def parse_test_file(filename, nl_format):
"""Check for any special arguments and return them as a list."""
with open(filename) as f:
for l in f.read().split(nl_format):
if 'glcpp-args:' in l:
return l.split('glcpp-args:')[1].strip().split()
return []
def test_output(glcpp, filename, expfile, nl_format='\n'):
"""Test that the output of glcpp is what we expect."""
extra_args = parse_test_file(filename, nl_format)
with open(filename, 'rb') as f:
proc = subprocess.Popen(
[glcpp] + extra_args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
stdin=subprocess.PIPE)
actual, _ = proc.communicate(f.read())
with open(expfile, 'rb') as f:
expected = f.read()
if actual == expected:
return (True, [])
return (False, difflib.unified_diff(actual.splitlines(), expected.splitlines()))
def _valgrind(glcpp, filename):
"""Run valgrind and report any warnings."""
extra_args = parse_test_file(filename, nl_format='\n')
try:
fd, tmpfile = tempfile.mkstemp()
os.close(fd)
with open(filename, 'rb') as f:
proc = subprocess.Popen(
['valgrind', '--error-exitcode=31', '--log-file', tmpfile, glcpp] + extra_args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
stdin=subprocess.PIPE)
proc.communicate(f.read())
if proc.returncode != 31:
return (True, [])
with open(tmpfile, 'rb') as f:
contents = f.read()
return (False, contents)
finally:
os.unlink(tmpfile)
def test_unix(args):
"""Test files with unix style (\n) new lines."""
total = 0
passed = 0
print('============= Testing for Correctness (Unix) =============')
for filename in os.listdir(args.testdir):
if not filename.endswith('.c'):
continue
print( '{}:'.format(os.path.splitext(filename)[0]), end=' ')
total += 1
testfile = os.path.join(args.testdir, filename)
valid, diff = test_output(args.glcpp, testfile, testfile + '.expected')
if valid:
passed += 1
print('PASS')
else:
print('FAIL')
for l in diff:
print(l, file=sys.stderr)
print('{}/{}'.format(passed, total), 'tests returned correct results')
return total == passed
def _replace_test(args, replace):
"""Test files with non-unix style line endings. Print your own header."""
total = 0
passed = 0
for filename in os.listdir(args.testdir):
if not filename.endswith('.c'):
continue
print( '{}:'.format(os.path.splitext(filename)[0]), end=' ')
total += 1
testfile = os.path.join(args.testdir, filename)
try:
fd, tmpfile = tempfile.mkstemp()
os.close(fd)
with io.open(testfile, 'rt') as f:
contents = f.read()
with io.open(tmpfile, 'wt') as f:
f.write(contents.replace('\n', replace))
valid, diff = test_output(
args.glcpp, tmpfile, testfile + '.expected', nl_format=replace)
finally:
os.unlink(tmpfile)
if valid:
passed += 1
print('PASS')
else:
print('FAIL')
for l in diff:
print(l, file=sys.stderr)
print('{}/{}'.format(passed, total), 'tests returned correct results')
return total == passed
def test_windows(args):
"""Test files with windows/dos style (\r\n) new lines."""
print('============= Testing for Correctness (Windows) =============')
return _replace_test(args, '\r\n')
def test_oldmac(args):
"""Test files with Old Mac style (\r) new lines."""
print('============= Testing for Correctness (Old Mac) =============')
return _replace_test(args, '\r')
def test_bizarro(args):
"""Test files with Bizarro world style (\n\r) new lines."""
# This is allowed by the spec, but why?
print('============= Testing for Correctness (Bizarro) =============')
return _replace_test(args, '\n\r')
def test_valgrind(args):
total = 0
passed = 0
print('============= Testing for Valgrind Warnings =============')
for filename in os.listdir(args.testdir):
if not filename.endswith('.c'):
continue
print( '{}:'.format(os.path.splitext(filename)[0]), end=' ')
total += 1
valid, log = _valgrind(args.glcpp, os.path.join(args.testdir, filename))
if valid:
passed += 1
print('PASS')
else:
print('FAIL')
print(log, file=sys.stderr)
print('{}/{}'.format(passed, total), 'tests returned correct results')
return total == passed
def main():
args = arg_parser()
success = True
if args.unix:
success = success and test_unix(args)
if args.windows:
success = success and test_windows(args)
if args.oldmac:
success = success and test_oldmac(args)
if args.bizarro:
success = success and test_bizarro(args)
if args.valgrind:
success = success and test_valgrind(args)
exit(0 if success else 1)
if __name__ == '__main__':
main()
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