1#!/usr/bin/env python 2# 3# QAPI parser test harness 4# 5# Copyright (c) 2013 Red Hat Inc. 6# 7# Authors: 8# Markus Armbruster <armbru@redhat.com> 9# 10# This work is licensed under the terms of the GNU GPL, version 2 or later. 11# See the COPYING file in the top-level directory. 12# 13 14from __future__ import print_function 15 16import argparse 17import difflib 18import os 19import sys 20 21from qapi.error import QAPIError 22from qapi.schema import QAPISchema, QAPISchemaVisitor 23 24if sys.version_info[0] < 3: 25 from cStringIO import StringIO 26else: 27 from io import StringIO 28 29 30class QAPISchemaTestVisitor(QAPISchemaVisitor): 31 32 def visit_module(self, name): 33 print('module %s' % name) 34 35 def visit_include(self, name, info): 36 print('include %s' % name) 37 38 def visit_enum_type(self, name, info, ifcond, members, prefix): 39 print('enum %s' % name) 40 if prefix: 41 print(' prefix %s' % prefix) 42 for m in members: 43 print(' member %s' % m.name) 44 self._print_if(m.ifcond, indent=8) 45 self._print_if(ifcond) 46 47 def visit_array_type(self, name, info, ifcond, element_type): 48 if not info: 49 return # suppress built-in arrays 50 print('array %s %s' % (name, element_type.name)) 51 self._print_if(ifcond) 52 53 def visit_object_type(self, name, info, ifcond, base, members, variants, 54 features): 55 print('object %s' % name) 56 if base: 57 print(' base %s' % base.name) 58 for m in members: 59 print(' member %s: %s optional=%s' 60 % (m.name, m.type.name, m.optional)) 61 self._print_if(m.ifcond, 8) 62 self._print_variants(variants) 63 self._print_if(ifcond) 64 self._print_features(features) 65 66 def visit_alternate_type(self, name, info, ifcond, variants): 67 print('alternate %s' % name) 68 self._print_variants(variants) 69 self._print_if(ifcond) 70 71 def visit_command(self, name, info, ifcond, arg_type, ret_type, gen, 72 success_response, boxed, allow_oob, allow_preconfig, 73 features): 74 print('command %s %s -> %s' 75 % (name, arg_type and arg_type.name, 76 ret_type and ret_type.name)) 77 print(' gen=%s success_response=%s boxed=%s oob=%s preconfig=%s' 78 % (gen, success_response, boxed, allow_oob, allow_preconfig)) 79 self._print_if(ifcond) 80 self._print_features(features) 81 82 def visit_event(self, name, info, ifcond, arg_type, boxed): 83 print('event %s %s' % (name, arg_type and arg_type.name)) 84 print(' boxed=%s' % boxed) 85 self._print_if(ifcond) 86 87 @staticmethod 88 def _print_variants(variants): 89 if variants: 90 print(' tag %s' % variants.tag_member.name) 91 for v in variants.variants: 92 print(' case %s: %s' % (v.name, v.type.name)) 93 QAPISchemaTestVisitor._print_if(v.ifcond, indent=8) 94 95 @staticmethod 96 def _print_if(ifcond, indent=4): 97 if ifcond: 98 print('%sif %s' % (' ' * indent, ifcond)) 99 100 @classmethod 101 def _print_features(cls, features): 102 if features: 103 for f in features: 104 print(' feature %s' % f.name) 105 cls._print_if(f.ifcond, 8) 106 107 108def test_frontend(fname): 109 schema = QAPISchema(fname) 110 schema.visit(QAPISchemaTestVisitor()) 111 112 for doc in schema.docs: 113 if doc.symbol: 114 print('doc symbol=%s' % doc.symbol) 115 else: 116 print('doc freeform') 117 print(' body=\n%s' % doc.body.text) 118 for arg, section in doc.args.items(): 119 print(' arg=%s\n%s' % (arg, section.text)) 120 for feat, section in doc.features.items(): 121 print(' feature=%s\n%s' % (feat, section.text)) 122 for section in doc.sections: 123 print(' section=%s\n%s' % (section.name, section.text)) 124 125 126def test_and_diff(test_name, dir_name, update): 127 sys.stdout = StringIO() 128 try: 129 test_frontend(os.path.join(dir_name, test_name + '.json')) 130 except QAPIError as err: 131 if err.info.fname is None: 132 print("%s" % err, file=sys.stderr) 133 return 2 134 errstr = str(err) + '\n' 135 if dir_name: 136 errstr = errstr.replace(dir_name + '/', '') 137 actual_err = errstr.splitlines(True) 138 else: 139 actual_err = [] 140 finally: 141 actual_out = sys.stdout.getvalue().splitlines(True) 142 sys.stdout.close() 143 sys.stdout = sys.__stdout__ 144 145 mode = 'r+' if update else 'r' 146 try: 147 outfp = open(os.path.join(dir_name, test_name + '.out'), mode) 148 errfp = open(os.path.join(dir_name, test_name + '.err'), mode) 149 expected_out = outfp.readlines() 150 expected_err = errfp.readlines() 151 except IOError as err: 152 print("%s: can't open '%s': %s" 153 % (sys.argv[0], err.filename, err.strerror), 154 file=sys.stderr) 155 return 2 156 157 if actual_out == expected_out and actual_err == expected_err: 158 return 0 159 160 print("%s %s" % (test_name, 'UPDATE' if update else 'FAIL'), 161 file=sys.stderr) 162 out_diff = difflib.unified_diff(expected_out, actual_out, outfp.name) 163 err_diff = difflib.unified_diff(expected_err, actual_err, errfp.name) 164 sys.stdout.writelines(out_diff) 165 sys.stdout.writelines(err_diff) 166 167 if not update: 168 return 1 169 170 try: 171 outfp.truncate(0) 172 outfp.seek(0) 173 outfp.writelines(actual_out) 174 errfp.truncate(0) 175 errfp.seek(0) 176 errfp.writelines(actual_err) 177 except IOError as err: 178 print("%s: can't write '%s': %s" 179 % (sys.argv[0], err.filename, err.strerror), 180 file=sys.stderr) 181 return 2 182 183 return 0 184 185 186def main(argv): 187 parser = argparse.ArgumentParser( 188 description='QAPI schema tester') 189 parser.add_argument('-d', '--dir', action='store', default='', 190 help="directory containing tests") 191 parser.add_argument('-u', '--update', action='store_true', 192 help="update expected test results") 193 parser.add_argument('tests', nargs='*', metavar='TEST', action='store') 194 args = parser.parse_args() 195 196 status = 0 197 for t in args.tests: 198 (dir_name, base_name) = os.path.split(t) 199 dir_name = dir_name or args.dir 200 test_name = os.path.splitext(base_name)[0] 201 status |= test_and_diff(test_name, dir_name, args.update) 202 203 exit(status) 204 205 206if __name__ == '__main__': 207 main(sys.argv) 208 exit(0) 209