test262/tools/generation/lib/test.py

73 lines
2.2 KiB
Python

# Copyright (C) 2016 the V8 project authors. All rights reserved.
# This code is governed by the BSD license found in the LICENSE file.
import os, re
from .util.find_comments import find_comments
from .util.parse_yaml import parse_yaml
def after_parse(fn):
def wrapper(self, *args, **kwargs):
if self.source is None and self.dynamic_source is not None:
self.source = self.dynamic_source()
self._parse()
return fn(self, *args, **kwargs)
return wrapper
class Test:
"""Representation of a generated test. Specifies a file location which may
or may not exist."""
def __init__(self, file_name, dynamic_source=None, source_file_names=None):
self.file_name = file_name
self.dynamic_source = dynamic_source
self.source_file_names = source_file_names
self.source = None
self.attribs = dict(meta=None)
def load(self):
with open(self.file_name, 'r') as handle:
self.source = handle.read()
self._parse()
def _parse(self):
for comment in find_comments(self.source):
meta = parse_yaml(comment['source'])
if meta:
self.attribs['meta'] = meta
break
@after_parse
def is_generated(self):
if not self.attribs['meta']:
return False
flags = self.attribs['meta'].get('flags')
if not flags:
return False
return 'generated' in flags
@after_parse
def to_string(self):
return '\n'.join([
'/**',
' * ----------------------------------------------------------------',
' * ' + self.file_name,
' * ----------------------------------------------------------------',
' */',
self.source,
'\n'])
@after_parse
def write(self, prefix, parents=False):
location = os.path.join(prefix, self.file_name)
path = os.path.dirname(location)
if not os.path.exists(path):
if parents:
os.makedirs(path)
else:
raise Exception('Directory does not exist: ' + path)
with open(location, 'wb') as handle:
handle.write(self.source)