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# 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."""
import argparse
import difflib
import errno
import io
import os
import subprocess
import sys
# The meson version handles windows paths better, but if it's not available
# fall back to shlex
try:
from meson.mesonlib import split_args
except ImportError:
from shlex import split as split_args
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')
return parser.parse_args()
def parse_test_file(contents, nl_format):
"""Check for any special arguments and return them as a list."""
# Disable "universal newlines" mode; we can't directly use `nl_format` as
# the `newline` argument, because the "bizarro" test uses something Python
# considers invalid.
for l in contents.decode('utf-8').split(nl_format):
if 'glcpp-args:' in l:
return l.split('glcpp-args:')[1].strip().split()
return []
def test_output(glcpp, contents, expfile, nl_format='\n'):
"""Test that the output of glcpp is what we expect."""
extra_args = parse_test_file(contents, nl_format)
proc = subprocess.Popen(
glcpp + extra_args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
stdin=subprocess.PIPE)
actual, _ = proc.communicate(contents)
actual = actual.decode('utf-8')
if proc.returncode == 255:
print("Test returned general error, possibly missing linker")
sys.exit(77)
with open(expfile, 'rb') as f:
expected = f.read().decode('utf-8')
# Bison 3.6 changed '$end' to 'end of file' in its error messages
# See: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3181
actual = actual.replace('$end', 'end of file')
if actual == expected:
return (True, [])
return (False, difflib.unified_diff(actual.splitlines(), expected.splitlines()))
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)
with open(testfile, 'rb') as f:
contents = f.read()
valid, diff = test_output(args.glcpp, contents, testfile + '.expected')
if valid:
passed += 1
print('PASS')
else:
print('FAIL')
for l in diff:
print(l, file=sys.stderr)
if not total:
raise Exception('Could not find any tests.')
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)
with open(testfile, 'rt') as f:
contents = f.read()
contents = contents.replace('\n', replace).encode('utf-8')
valid, diff = test_output(
args.glcpp, contents, testfile + '.expected', nl_format=replace)
if valid:
passed += 1
print('PASS')
else:
print('FAIL')
for l in diff:
print(l, file=sys.stderr)
if not total:
raise Exception('Could not find any tests.')
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 main():
args = arg_parser()
wrapper = os.environ.get('MESON_EXE_WRAPPER')
if wrapper is not None:
args.glcpp = split_args(wrapper) + [args.glcpp]
else:
args.glcpp = [args.glcpp]
success = True
try:
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)
except OSError as e:
if e.errno == errno.ENOEXEC:
print('Skipping due to inability to run host binaries.',
file=sys.stderr)
sys.exit(77)
raise
exit(0 if success else 1)
if __name__ == '__main__':
main()
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