qemu/tests/qapi-schema/test-qapi.py
Paolo Bonzini 423edd9a31 drop "from __future__ import print_function"
This is only needed for Python 2, which we do not support anymore.

Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200204160604.19883-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-02-07 15:15:16 +01:00

208 lines
6.4 KiB
Python
Executable File

#!/usr/bin/env python3
#
# QAPI parser test harness
#
# Copyright (c) 2013 Red Hat Inc.
#
# Authors:
# Markus Armbruster <armbru@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or later.
# See the COPYING file in the top-level directory.
#
import argparse
import difflib
import os
import sys
from qapi.error import QAPIError
from qapi.schema import QAPISchema, QAPISchemaVisitor
if sys.version_info[0] < 3:
from cStringIO import StringIO
else:
from io import StringIO
class QAPISchemaTestVisitor(QAPISchemaVisitor):
def visit_module(self, name):
print('module %s' % name)
def visit_include(self, name, info):
print('include %s' % name)
def visit_enum_type(self, name, info, ifcond, members, prefix):
print('enum %s' % name)
if prefix:
print(' prefix %s' % prefix)
for m in members:
print(' member %s' % m.name)
self._print_if(m.ifcond, indent=8)
self._print_if(ifcond)
def visit_array_type(self, name, info, ifcond, element_type):
if not info:
return # suppress built-in arrays
print('array %s %s' % (name, element_type.name))
self._print_if(ifcond)
def visit_object_type(self, name, info, ifcond, base, members, variants,
features):
print('object %s' % name)
if base:
print(' base %s' % base.name)
for m in members:
print(' member %s: %s optional=%s'
% (m.name, m.type.name, m.optional))
self._print_if(m.ifcond, 8)
self._print_variants(variants)
self._print_if(ifcond)
self._print_features(features)
def visit_alternate_type(self, name, info, ifcond, variants):
print('alternate %s' % name)
self._print_variants(variants)
self._print_if(ifcond)
def visit_command(self, name, info, ifcond, arg_type, ret_type, gen,
success_response, boxed, allow_oob, allow_preconfig,
features):
print('command %s %s -> %s'
% (name, arg_type and arg_type.name,
ret_type and ret_type.name))
print(' gen=%s success_response=%s boxed=%s oob=%s preconfig=%s'
% (gen, success_response, boxed, allow_oob, allow_preconfig))
self._print_if(ifcond)
self._print_features(features)
def visit_event(self, name, info, ifcond, arg_type, boxed):
print('event %s %s' % (name, arg_type and arg_type.name))
print(' boxed=%s' % boxed)
self._print_if(ifcond)
@staticmethod
def _print_variants(variants):
if variants:
print(' tag %s' % variants.tag_member.name)
for v in variants.variants:
print(' case %s: %s' % (v.name, v.type.name))
QAPISchemaTestVisitor._print_if(v.ifcond, indent=8)
@staticmethod
def _print_if(ifcond, indent=4):
if ifcond:
print('%sif %s' % (' ' * indent, ifcond))
@classmethod
def _print_features(cls, features):
if features:
for f in features:
print(' feature %s' % f.name)
cls._print_if(f.ifcond, 8)
def test_frontend(fname):
schema = QAPISchema(fname)
schema.visit(QAPISchemaTestVisitor())
for doc in schema.docs:
if doc.symbol:
print('doc symbol=%s' % doc.symbol)
else:
print('doc freeform')
print(' body=\n%s' % doc.body.text)
for arg, section in doc.args.items():
print(' arg=%s\n%s' % (arg, section.text))
for feat, section in doc.features.items():
print(' feature=%s\n%s' % (feat, section.text))
for section in doc.sections:
print(' section=%s\n%s' % (section.name, section.text))
def test_and_diff(test_name, dir_name, update):
sys.stdout = StringIO()
try:
test_frontend(os.path.join(dir_name, test_name + '.json'))
except QAPIError as err:
if err.info.fname is None:
print("%s" % err, file=sys.stderr)
return 2
errstr = str(err) + '\n'
if dir_name:
errstr = errstr.replace(dir_name + '/', '')
actual_err = errstr.splitlines(True)
else:
actual_err = []
finally:
actual_out = sys.stdout.getvalue().splitlines(True)
sys.stdout.close()
sys.stdout = sys.__stdout__
mode = 'r+' if update else 'r'
try:
outfp = open(os.path.join(dir_name, test_name + '.out'), mode)
errfp = open(os.path.join(dir_name, test_name + '.err'), mode)
expected_out = outfp.readlines()
expected_err = errfp.readlines()
except IOError as err:
print("%s: can't open '%s': %s"
% (sys.argv[0], err.filename, err.strerror),
file=sys.stderr)
return 2
if actual_out == expected_out and actual_err == expected_err:
return 0
print("%s %s" % (test_name, 'UPDATE' if update else 'FAIL'),
file=sys.stderr)
out_diff = difflib.unified_diff(expected_out, actual_out, outfp.name)
err_diff = difflib.unified_diff(expected_err, actual_err, errfp.name)
sys.stdout.writelines(out_diff)
sys.stdout.writelines(err_diff)
if not update:
return 1
try:
outfp.truncate(0)
outfp.seek(0)
outfp.writelines(actual_out)
errfp.truncate(0)
errfp.seek(0)
errfp.writelines(actual_err)
except IOError as err:
print("%s: can't write '%s': %s"
% (sys.argv[0], err.filename, err.strerror),
file=sys.stderr)
return 2
return 0
def main(argv):
parser = argparse.ArgumentParser(
description='QAPI schema tester')
parser.add_argument('-d', '--dir', action='store', default='',
help="directory containing tests")
parser.add_argument('-u', '--update', action='store_true',
help="update expected test results")
parser.add_argument('tests', nargs='*', metavar='TEST', action='store')
args = parser.parse_args()
status = 0
for t in args.tests:
(dir_name, base_name) = os.path.split(t)
dir_name = dir_name or args.dir
test_name = os.path.splitext(base_name)[0]
status |= test_and_diff(test_name, dir_name, args.update)
exit(status)
if __name__ == '__main__':
main(sys.argv)
exit(0)