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tomlplusplus/tools/generate_conformance_tests.py
Mark Gillard ba754462b8 fixed linkage error with windows compat mode 
also:
- updated conformance tests
2021-06-24 21:08:45 +03:00

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#!/usr/bin/env python3
# This file is a part of toml++ and is subject to the the terms of the MIT license.
# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
# SPDX-License-Identifier: MIT
import sys
import utils
import io
import re
import json
import yaml
import math
import dateutil.parser
from pathlib import Path
from datetime import datetime, date, time
def sanitize(s):
s = re.sub(r'[ _:;\/-]+', '_', s, 0, re.I | re.M)
if s in ('bool', 'float', 'int', 'double', 'auto', 'array', 'table'):
s = s + '_'
return s
def python_value_to_tomlpp(val):
if isinstance(val, str):
if re.fullmatch(r'^[+-]?[0-9]+[eE][+-]?[0-9]+$', val, re.M):
return str(float(val))
else:
return 'R"({})"sv'.format(val)
elif isinstance(val, bool):
return 'true' if val else 'false'
elif isinstance(val, float):
if math.isinf(val):
return f'{"-" if val < 0.0 else ""}std::numeric_limits<double>::infinity()'
elif math.isnan(val):
return 'std::numeric_limits<double>::quiet_NaN()'
else:
return str(val)
elif isinstance(val, int):
if val == 9223372036854775807:
return 'INT64_MAX'
elif val == -9223372036854775808:
return 'INT64_MIN'
else:
return str(val)
elif isinstance(val, (TomlPPArray, TomlPPTable)):
return str(val)
elif isinstance(val, datetime):
offset = None
if val.tzinfo is not None:
offset = val.tzinfo.utcoffset(val)
mins = offset.total_seconds() / 60
offset = (int(mins / 60), int(mins % 60))
return 'toml::date_time{{ {{ {}, {}, {} }}, {{ {}, {}, {}, {}u }}{} }}'.format(
val.year,
val.month,
val.day,
val.hour,
val.minute,
val.second,
val.microsecond*1000,
'' if offset is None else ', {{ {}, {} }}'.format(offset[0], offset[1])
)
elif isinstance(val, date):
return 'toml::date{{ {}, {}, {} }}'.format(
val.year,
val.month,
val.day
)
elif isinstance(val, time):
return 'toml::time{{ {}, {}, {}, {} }}'.format(
val.hour,
val.minute,
val.second,
val.microsecond*1000
)
else:
raise ValueError(str(type(val)))
class TomlPPArray:
def __init__(self, init_data=None):
self.values = init_data if init_data else list()
def render(self, indent = '', indent_declaration = False):
s = ''
if indent_declaration:
s += indent
if len(self.values) == 0:
s += 'toml::array{}'
else:
s += 'toml::array{'
for val in self.values:
s += '\n' + indent + '\t'
if isinstance(val, TomlPPArray) and len(self.values) == 1:
s += 'toml::inserter{'
if isinstance(val, (TomlPPTable, TomlPPArray)) and len(val) > 0:
s += val.render(indent + '\t')
else:
s += python_value_to_tomlpp(val)
if isinstance(val, TomlPPArray) and len(self.values) == 1:
s += '}'
s += ','
s += '\n' + indent + '}'
return s
def __str__(self):
return self.render()
def __len__(self):
return len(self.values)
class TomlPPTable:
def __init__(self, init_data=None):
self.values = init_data if init_data else dict()
def render(self, indent = '', indent_declaration = False):
s = ''
if indent_declaration:
s += indent
if len(self.values) == 0:
s += 'toml::table{}'
else:
s += 'toml::table{{'
for key, val in self.values.items():
s += '\n' + indent + '\t{ '
if isinstance(val, (TomlPPTable, TomlPPArray)) and len(val) > 0:
s += '\n' + indent + '\t\t{},'.format(python_value_to_tomlpp(str(key)))
s += ' ' + val.render(indent + '\t\t')
s += '\n' + indent + '\t'
else:
s += '{}, {} '.format(python_value_to_tomlpp(str(key)), python_value_to_tomlpp(val))
s += '},'
s += '\n' + indent + '}}'
return s
def __str__(self):
return self.render()
def __len__(self):
return len(self.values)
def json_to_python(val):
if isinstance(val, dict):
if len(val) == 2 and "type" in val and "value" in val:
val_type = val["type"]
if val_type == "integer":
return int(val["value"])
elif val_type == "float":
return float(val["value"])
elif val_type == "string":
return str(val["value"])
elif val_type == "bool":
return True if val["value"].lower() == "true" else False
elif val_type == "array":
return json_to_python(val["value"])
elif val_type in ("datetime", "date", "time", "datetime-local", "date-local", "time-local"):
dt_val = dateutil.parser.parse(val["value"])
if val_type in ("date", "date-local"):
return dt_val.date()
elif val_type in ("time", "time-local"):
return dt_val.time()
else:
return dt_val
else:
raise ValueError(val_type)
else:
vals = dict()
for k,v in val.items():
vals[k] = json_to_python(v)
return vals
elif isinstance(val, list):
vals = list()
for v in val:
vals.append(json_to_python(v))
return vals
else:
raise ValueError(str(type(val)))
def python_to_tomlpp(node):
if isinstance(node, dict):
table = TomlPPTable()
for key, val in node.items():
table.values[key] = python_to_tomlpp(val)
return table
elif isinstance(node, (set, list, tuple)):
array = TomlPPArray()
for val in node:
array.values.append(python_to_tomlpp(val))
return array
else:
return node
class TomlTest:
def __init__(self, file_path, is_valid_case):
self.__name = file_path.stem
self.__identifier = sanitize(self.__name)
self.__group = self.__identifier.strip('_').split('_')[0]
self.__data = utils.read_all_text_from_file(file_path, logger=True).strip()
self.__conditions = []
if is_valid_case:
self.__expected = True
path_base = str(Path(file_path.parent, file_path.stem))
yaml_file = Path(path_base + r'.yaml')
if yaml_file.exists():
self.__expected = python_to_tomlpp(yaml.load(
utils.read_all_text_from_file(yaml_file, logger=True),
Loader=yaml.FullLoader
))
else:
json_file = Path(path_base + r'.json')
if json_file.exists():
self.__expected = python_to_tomlpp(json_to_python(json.loads(
utils.read_all_text_from_file(json_file, logger=True),
)))
else:
self.__expected = False
def name(self):
return self.__name
def identifier(self):
return self.__identifier
def group(self):
return self.__group
def add_condition(self, cond):
self.__conditions.append(cond)
return self
def condition(self):
if not self.__conditions or not self.__conditions[0]:
return ''
if len(self.__conditions) == 1:
return rf'{self.__conditions[0]}'
return rf'{" && ".join([rf"{c}" for c in self.__conditions])}'
def data(self):
return self.__data
def expected(self):
return self.__expected
def __str__(self):
return 'static constexpr auto {} = R"({})"sv;'.format(
self.__identifier,
self.__data,
)
def load_tests(source_folder, is_valid_set, ignore_list):
source_folder = source_folder.resolve()
utils.assert_existing_directory(source_folder)
files = utils.get_all_files(source_folder, all="*.toml")
if ignore_list:
files_ = []
for f in files:
ignored = False
for ignore in ignore_list:
if isinstance(ignore, str):
if f.stem == ignore:
ignored = True
break
elif ignore.fullmatch(f.stem) is not None: # regex
ignored = True
break
if not ignored:
files_.append(f)
files = files_
tests = []
for f in files:
try:
tests.append(TomlTest(f, is_valid_set))
except Exception as e:
print(rf'Error reading {f}, skipping...', file=sys.stderr)
return tests
def add_condition(tests, condition, names):
for test in tests:
matched = False
for name in names:
if isinstance(name, str):
if test.name() == name:
matched = True
break
elif name.fullmatch(test.name()) is not None: # regex
matched = True
break
if matched:
test.add_condition(condition)
def load_valid_inputs(tests, extern_root):
tests['valid']['burntsushi'] = load_tests(Path(extern_root, 'toml-test', 'tests', 'valid'), True, (
# newline/escape handling tests. these get broken by I/O (I test them separately)
'string-escapes',
# causes MSVC to run out of heap space during compilation O_o
'inline-table-key-dotted',
# broken by the json reader
'key-alphanum',
# breaks clang:
'multiline-string',
))
tests['valid']['iarna'] = load_tests(Path(extern_root, 'toml-spec-tests', 'values'), True, (
# these are stress-tests for 'large' datasets. I test these separately. Having them inline in C++ code is insane.
'qa-array-inline-1000',
'qa-array-inline-nested-1000',
'qa-key-literal-40kb',
'qa-key-string-40kb',
'qa-scalar-literal-40kb',
'qa-scalar-literal-multiline-40kb',
'qa-scalar-string-40kb',
'qa-scalar-string-multiline-40kb',
'qa-table-inline-1000',
'qa-table-inline-nested-1000',
# newline/escape handling tests. these get broken by I/O (I test them separately)
re.compile(r'spec-newline-.*'),
re.compile(r'spec-string-escape-.*'),
# bugged: https://github.com/iarna/toml-spec-tests/issues/3
'spec-date-time-6',
'spec-date-time-local-2',
'spec-time-2',
# breaks gcc:
'spec-string-basic-multiline-4',
))
def load_invalid_inputs(tests, extern_root):
tests['invalid']['burntsushi'] = load_tests(Path(extern_root, 'toml-test', 'tests', 'invalid'), False, (
# false negatives after TOML 0.4.0
re.compile('array-mixed.*'),
# these break IO/git/visual studio (i test them elsewhere)
re.compile('.*(bom|control).*'),
'encoding-utf16',
))
add_condition(tests['invalid']['burntsushi'], '!TOML_LANG_UNRELEASED', (
'datetime-no-secs',
re.compile(r'inline-table-linebreak-.*'),
'inline-table-trailing-comma',
'key-special-character',
'multi-line-inline-table',
'string-basic-byte-escapes',
))
tests['invalid']['iarna'] = load_tests(Path(extern_root, 'toml-spec-tests', 'errors'), False, (
# these break IO/git/visual studio (i test them elsewhere)
re.compile('.*(bom|control).*'),
))
add_condition(tests['invalid']['iarna'], '!TOML_LANG_UNRELEASED', (
'inline-table-trailing-comma',
))
def requires_unicode(s):
for c in s:
if ord(c) > 127:
return True
return False
def write_test_file(name, all_tests):
for test in all_tests:
unicode = requires_unicode(str(test))
if not unicode and not isinstance(test.expected(), bool):
unicode = requires_unicode(test.expected().render())
if unicode:
test.add_condition(r'UNICODE_LITERALS_OK')
tests_by_group = {}
for test in all_tests:
if test.group() not in tests_by_group:
tests_by_group[test.group()] = {}
cond = test.condition()
if cond not in tests_by_group[test.group()]:
tests_by_group[test.group()][cond] = []
tests_by_group[test.group()][cond].append(test)
all_tests = tests_by_group
test_file_path = Path(utils.entry_script_dir(), '..', 'tests', rf'conformance_{sanitize(name.strip())}.cpp').resolve()
print(rf'Writing to {test_file_path}')
with open(test_file_path, 'w', encoding='utf-8', newline='\n') as test_file:
write = lambda txt,end='\n': print(txt, file=test_file, end=end)
# preamble
write('// This file is a part of toml++ and is subject to the the terms of the MIT license.')
write('// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>')
write('// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.')
write('// SPDX-License-Identifier: MIT')
write('//-----')
write('// this file was generated by generate_conformance_tests.py - do not modify it directly')
write('')
write('#include "tests.h"')
write('using namespace toml::impl;')
write('')
# test data
write('TOML_DISABLE_WARNINGS; // unused variable spam')
write('')
write('namespace')
write('{', end='')
for group, conditions in all_tests.items():
for condition, tests in conditions.items():
write('')
if condition != '':
write(f'#if {condition}');
write('')
for test in tests:
write(f'\t{test}')
if condition != '':
write('')
write(f'#endif // {condition}');
write('}')
write('')
write('TOML_ENABLE_WARNINGS;')
write('')
# tests
write(f'TEST_CASE("conformance - {name}")')
write('{', end='')
for group, conditions in all_tests.items():
for condition, tests in conditions.items():
if condition != '':
write('')
write(f'#if {condition}');
for test in tests:
write('')
expected = test.expected()
if isinstance(expected, bool):
if expected:
write(f'\tparsing_should_succeed(FILE_LINE_ARGS, {test.identifier()});')
else:
write(f'\tparsing_should_fail(FILE_LINE_ARGS, {test.identifier()});')
else:
s = expected.render('\t\t')
write(f'\tparsing_should_succeed(FILE_LINE_ARGS, {test.identifier()}, [](toml::table&& tbl)')
write('\t{')
write(f'\t\tconst auto expected = {s};')
write('\t\tREQUIRE(tbl == expected);')
write('\t});')
if condition != '':
write('')
write(f'#endif // {condition}');
write('}')
write('')
def main():
extern_root = Path(utils.entry_script_dir(), '..', 'external').resolve()
utils.assert_existing_directory(extern_root)
assert extern_root.exists()
all_tests = { 'valid': dict(), 'invalid': dict() }
load_valid_inputs(all_tests, extern_root)
load_invalid_inputs(all_tests, extern_root)
for validity, sources in all_tests.items():
for source, tests in sources.items():
write_test_file('{}/{}'.format(source, validity), tests )
if __name__ == '__main__':
utils.run(main, verbose=True)
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