deb-python-steadymark/steadymark/__init__.py
2012-07-30 15:52:22 -04:00

143 lines
4.4 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# <steadymark - markdown-based test runner for python>
# Copyright (C) <2012> Gabriel Falcão <gabriel@nacaolivre.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
version = '0.1.2'
import os
import sys
import traceback
from datetime import datetime
from misaka import (
BaseRenderer,
Markdown,
EXT_FENCED_CODE,
EXT_NO_INTRA_EMPHASIS,
)
class READMETestRunner(BaseRenderer):
tests = [{}]
filename = None
def block_code(self, code, language):
if language != 'python':
return
item = self.tests[-1]
item[u'code'] = unicode(code)
if 'title' not in item:
item[u'title'] = u'Test #{0}'.format(len(self.tests))
self.tests.append({})
def header(self, title, level):
self.tests.append({
u'title': unicode(title),
})
def print_red(self, text):
print "\033[1;31m{0}\033[0m".format(text)
def print_green(self, text):
print "\033[1;32m{0}\033[0m".format(text)
def format_ms(self, ms):
ms = int(ms)
if ms < 1000:
return ""
return "\033[1;33m{0}ms\033[0m".format(ms)
def postprocess(self, full_document):
actual_tests = [t for t in self.tests if 'code' in t]
if actual_tests:
print "Running code snippets from {0}\n".format(self.filename)
else:
print "No tests found in {0}".format(self.filename)
failed = False
for test in actual_tests:
sys.stdout.write("{0} ".format(test['title']))
before = datetime.now()
failure = None
lines = test['code'].splitlines()
try:
code = compile(test['code'], "README.md", "exec")
eval(code)
except Exception:
failure = sys.exc_info()
after = datetime.now()
shift = before - after
ms = shift.microseconds / 1000
if not failure:
self.print_green('\xe2\x9c\x93 {0}'.format(self.format_ms(ms)))
else:
self.print_red('\xe2\x9c\x97 {0}'.format(self.format_ms(ms)))
failed = True
exc, name, tb = failure
tb = tb.tb_next
line = lines[tb.tb_lineno - 1]
self.print_red("Traceback (most recent call last):")
formatted_tb = traceback.format_tb(tb)[-1]
self.print_red("{0} {1}".format(formatted_tb, line))
sys.exit(int(failed))
def main():
import argparse
parser = argparse.ArgumentParser(
description=(u'Use python code snippets from your README.md or '
'any markdown files as regression tests'),
)
parser.add_argument(
'filename',
metavar='FILENAME.md',
type=unicode,
nargs='*',
default='README.md',
help='the path to a markdown file to be inspected for tests',
)
args = parser.parse_args()
renderer = READMETestRunner()
renderer.filename = args.filename
extensions = EXT_FENCED_CODE | EXT_NO_INTRA_EMPHASIS
md = Markdown(renderer, extensions=extensions)
if not os.path.exists(renderer.filename):
print 'steadymark could not find {0}'.format(renderer.filename)
sys.exit(1)
text = open(renderer.filename).read()
md.render(text)
if __name__ == '__main__':
main()