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# Class encapsulating a unit test.
#
# * @author Ben Gardner October 2009
# * @author Guy Maurel October 2015
# * @author Matthew Woehlke June 2018
#
import filecmp
import os
import re
import subprocess
import sys
import errno
from .ansicolor import printc
from .config import (config, test_dir, FAIL_ATTRS, PASS_ATTRS,
MISMATCH_ATTRS, UNSTABLE_ATTRS)
from .failure import (ExecutionFailure, MismatchFailure, MissingFailure,
TestDeclarationParseError, UnexpectedlyPassingFailure,
UnstableFailure)
# =============================================================================
class SourceTest(object):
# -------------------------------------------------------------------------
def __init__(self):
self.test_result_dir = 'results'
self.diff_text = 'MISMATCH'
self.diff_attrs = MISMATCH_ATTRS
self.diff_exception = MismatchFailure
# -------------------------------------------------------------------------
def _check_attr(self, name):
if not hasattr(self, name) or getattr(self, name) is None:
raise AttributeError(
'Test is missing required attribute {!r}'.format(name))
# -------------------------------------------------------------------------
def _make_abs(self, name, base):
path = getattr(self, name)
if not os.path.isabs(path):
setattr(self, name, os.path.join(test_dir, base, path))
# -------------------------------------------------------------------------
def _diff(self, expected, actual):
sys.stdout.flush()
cmd = [config.git_exe, 'diff', '--no-index', expected, actual]
subprocess.call(cmd)
# -------------------------------------------------------------------------
def build(self, test_input, test_lang, test_config, test_expected):
self.test_name = os.path.basename(test_input)
self.test_lang = test_lang
self.test_input = test_input
self.test_config = test_config
self.test_expected = test_expected
self.test_xfail = False
# -------------------------------------------------------------------------
def _check(self):
self._check_attr('test_name')
self._check_attr('test_lang')
self._check_attr('test_input')
self._check_attr('test_config')
self._check_attr('test_expected')
self._check_attr('test_xfail')
# -------------------------------------------------------------------------
def run(self, args):
self._check()
_expected = self.test_expected
_result = os.path.join(args.result_dir, self.test_result_dir,
os.path.basename(os.path.dirname(_expected)),
os.path.basename(_expected))
if args.verbose:
print(self.test_name)
print(' Language : {}'.format(self.test_lang))
print(' Input : {}'.format(self.test_input))
print(' Config : {}'.format(self.test_config))
print(' Expected : {}'.format(_expected))
print(' Result : {}'.format(_result))
print(' XFail : {}'.format(self.test_xfail))
if not os.path.exists(os.path.dirname(_result)):
try:
os.makedirs(os.path.dirname(_result))
except OSError as e:
if e.errno != errno.EEXIST:
raise
cmd = [
config.uncrustify_exe,
'-q',
'-l', self.test_lang,
'-c', self.test_config,
'-f', self.test_input,
'-o', _result
]
if args.debug:
cmd += [
'-LA',
'-p', _result + '.unc'
]
else:
cmd += ['-LA']
if args.show_commands:
printc('RUN: ', repr(cmd))
try:
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as exc:
output = exc.output
if not self.test_xfail:
print(output.rstrip())
msg = '{} (Uncrustify error code {})'
msg = msg.format(self.test_name, exc.returncode)
printc('FAILED: ', msg, **FAIL_ATTRS)
raise ExecutionFailure(exc)
elif args.xdiff:
print(output.rstrip())
finally:
if args.debug:
with open(_result + '.log', 'wt') as f:
f.write(output)
try:
has_diff = not filecmp.cmp(_expected, _result)
if has_diff and not self.test_xfail:
if args.diff:
self._diff(_expected, _result)
printc('{}: '.format(self.diff_text),
self.test_name, **self.diff_attrs)
raise self.diff_exception(_expected, _result)
if not has_diff and self.test_xfail:
raise UnexpectedlyPassingFailure(_expected, _result)
if has_diff and self.test_xfail:
if args.xdiff:
self._diff(_expected, _result)
if not args.show_all:
printc('XFAILED: ', self.test_name, **PASS_ATTRS)
except OSError as exc:
printc('MISSING: ', self.test_name, **self.diff_attrs)
raise MissingFailure(exc, _expected)
# =============================================================================
class FormatTest(SourceTest):
pass_config = ['test_config', 'test_rerun_config']
pass_input = ['test_input', 'test_expected']
pass_expected = ['test_expected', 'test_rerun_expected']
re_test_declaration = re.compile(r'^(?P<num>\d+)(?P<mark>[~!]*)\s+'
r'(?P<config>\S+)\s+(?P<input>\S+)'
r'(?:\s+(?P<lang>\S+))?$')
# -------------------------------------------------------------------------
def _build_pass(self, i):
p = SourceTest()
p.test_name = self.test_name
p.test_lang = self.test_lang
p.test_config = getattr(self, self.pass_config[i])
p.test_input = getattr(self, self.pass_input[i])
p.test_expected = getattr(self, self.pass_expected[i])
p.test_xfail = self.test_xfail
if i == 1 and not os.path.exists(p.test_expected):
p.test_expected = getattr(self, self.pass_expected[0])
return p
# -------------------------------------------------------------------------
def _build_passes(self):
self._check()
self._check_attr('test_rerun_config')
self._check_attr('test_rerun_expected')
self._make_abs('test_input', 'input')
self._make_abs('test_config', 'config')
self._make_abs('test_expected', 'expected')
self._make_abs('test_rerun_config', 'config')
self._make_abs('test_rerun_expected', 'expected')
self.test_passes = [
self._build_pass(0),
self._build_pass(1)]
self.test_passes[1].test_name = self.test_name + ' (re-run)'
self.test_passes[1].test_result_dir = 'results_2'
self.test_passes[1].diff_text = 'UNSTABLE'
self.test_passes[1].diff_attrs = UNSTABLE_ATTRS
self.test_passes[1].diff_exception = UnstableFailure
# -------------------------------------------------------------------------
def build_from_declaration(self, decl, group, line_number):
match = self.re_test_declaration.match(decl)
if not match:
raise TestDeclarationParseError(group, line_number)
num = match.group('num')
is_rerun = ('!' in match.group('mark'))
is_xfail = ('~' in match.group('mark'))
self.test_xfail = is_xfail
self.test_config = match.group('config')
self.test_input = match.group('input')
test_dir = os.path.dirname(self.test_input)
test_filename = os.path.basename(self.test_input)
if match.group('lang'):
self.test_lang = match.group('lang')
else:
self.test_lang = test_dir
self.test_expected = os.path.join(
test_dir, '{}-{}'.format(num, test_filename))
def rerun_file(name):
parts = name.split('.')
return '.'.join(parts[:-1] + ['rerun'] + parts[-1:])
if is_rerun:
self.test_rerun_config = rerun_file(self.test_config)
self.test_rerun_expected = rerun_file(self.test_expected)
else:
self.test_rerun_config = self.test_config
self.test_rerun_expected = self.test_expected
self.test_name = '{}:{}'.format(group, num)
self._build_passes()
# -------------------------------------------------------------------------
def build_from_args(self, args):
self.test_name = args.name
self.test_lang = args.lang
self.test_input = args.input
self.test_config = args.config
self.test_expected = args.expected
self.test_rerun_config = args.rerun_config or args.config
self.test_rerun_expected = args.rerun_expected or args.expected
self.test_xfail = args.xfail
self._build_passes()
# -------------------------------------------------------------------------
def print_as_ctest(self, out_file=sys.stdout):
self._check()
def to_cmake_path(obj):
if type(obj) is dict:
return {k: to_cmake_path(v) for k, v in obj.items()}
if type(obj) is str:
return obj.replace(os.sep, '/')
return obj
runner = os.path.join(test_dir, 'run_test.py')
out_file.write(
('add_test({test_name}\n' +
' "{python_exe}" -S "{test_runner}" "{test_name}"\n' +
' --executable "{uncrustify_exe}"\n' +
' --lang "{test_lang}"\n' +
' --input "{test_input}"\n' +
' --config "{test_config}"\n' +
' --expected "{test_expected}"\n' +
' --rerun-config "{test_rerun_config}"\n' +
' --rerun-expected "{test_rerun_expected}"\n' +
' -d --git "{git_exe}"\n' +
'{xfail}' +
')\n').format(
test_runner=to_cmake_path(runner),
python_exe=to_cmake_path(config.python_exe),
uncrustify_exe=to_cmake_path(config.uncrustify_exe),
git_exe=to_cmake_path(config.git_exe),
xfail=(' --xfail\n' if self.test_xfail else ''),
**to_cmake_path(self.__dict__)))
out_file.write(
('set_tests_properties({}\n' +
' PROPERTIES LABELS "{}"\n)\n').format(
self.test_name, self.test_name.split(':')[0]))
#out_file.write(
# ('set_tests_properties({}\n' +
# ' PROPERTIES DEPENDS "sources_format"\n)\n').format(
# self.test_name))
# -------------------------------------------------------------------------
def run(self, args):
for p in self.test_passes:
p.run(args)
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