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.test.py
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.test.py
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#!/usr/bin/env python
import re
import os
import subprocess
import urllib2
import argparse
allowed_image_content_types = ['image/png', 'image/jpeg', 'image/gif']
required_metadata = ['author', 'author.github', 'title']
recommended_metadata = ['image', 'desc', 'version']
class Language(object):
_languages = {}
def __init__(self, exts, shebang, linter):
self.extensions = exts
self.shebang = shebang
self.cmd = linter
@staticmethod
def registerLanguage(lang):
for extension in lang.extensions:
if extension in Language._languages:
Language._languages[extension].append(lang)
else:
Language._languages[extension] = [lang, ]
@staticmethod
def getLanguagesForFileExtension(ext):
if ext in Language._languages:
return Language._languages[ext]
else:
return None
def validShebang(self, bang):
return re.search(self.shebang, bang) is not None
def lint(self, file):
command = list(self.cmd)
command.append(file)
return subprocess.check_output(command, stderr=subprocess.STDOUT)
Language.registerLanguage(Language(['.sh'], '(bash|ksh|zsh|sh|fish)$', ['shellcheck']))
Language.registerLanguage(Language(['.py', '.py2'], 'python(|2)$', ['python2', '-m', 'pyflakes']))
Language.registerLanguage(Language(['.py', '.py3'], 'python(|3)$', ['python3', '-m', 'pyflakes']))
Language.registerLanguage(Language(['.rb'], 'ruby$', ['rubocop', '-l']))
Language.registerLanguage(Language(['.js'], 'node$', ['jshint']))
Language.registerLanguage(Language(['.php'], 'php$', ['php', '-l']))
Language.registerLanguage(Language(['.pl'], 'perl( -[wW])?$', ['perl', '-MO=Lint']))
Language.registerLanguage(Language(['.swift'], 'swift$', ['xcrun', '-sdk', 'macosx', 'swiftc', '-o', '/dev/null']))
Language.registerLanguage(Language(['.lisp', '.clisp'], 'clisp$', ['clisp']))
error_count = 0
def debug(s):
global args
if args.debug:
print "\033[1;44mDBG!\033[0;0m %s\n" % s
def passed(s):
global args
if args.verbose:
print "\033[1;42mPASS\033[0;0m %s\n" % s
def warn(s):
print "\033[1;43mWRN!\033[0;0m %s\n" % s
def error(s):
global error_count
error_count += 1
print "\033[1;41mERR!\033[0;0m %s\n" % s
def check_file(file_full_path):
file_short_name, file_extension = os.path.splitext(file_full_path)
candidates = Language.getLanguagesForFileExtension(file_extension)
if not candidates:
error("%s unrecognized file extension" % file_full_path)
return
else:
passed("%s has a recognized file extension" % file_full_path)
if not os.access(file_full_path, os.R_OK):
error("%s not readable" % file_full_path)
return
if not os.access(file_full_path, os.X_OK):
error("%s not executable" % file_full_path)
else:
passed("%s is executable" % file_full_path)
metadata = {}
linters = []
with open(file_full_path, "r") as fp:
first_line = fp.readline().strip()
for candidate in candidates:
if candidate.validShebang(first_line):
linters.append(candidate)
if not re.match(r'#! ?/', first_line):
error("'%s' does not look like a valid shebang" % first_line)
if not linters:
error("%s has incorrect shebang.\n Got %s\n Wanted %s" % (
file_full_path, first_line,
' or '.join(["'%s'" % candidate.shebang for candidate in candidates])))
else:
passed("%s has a good shebang (%s)" % (file_full_path, first_line))
for line in fp:
match = re.search("<bitbar.(?P<lho_tag>[^>]+)>(?P<value>[^<]+)</bitbar.(?P<rho_tag>[^>]+)>", line)
if match is not None:
if match.group('lho_tag') != match.group('rho_tag'):
error('%s includes mismatched metatags: %s' % (file_full_path, line))
else:
metadata[match.group('lho_tag')] = match.group('value')
for key in required_metadata:
if key not in metadata:
error('%s missing required metadata for %s' % (file_full_path, key))
else:
passed('%s has required metadata for %s (%s)' % (file_full_path, key, metadata[key]))
for key in recommended_metadata:
if key not in metadata:
warn('%s missing recommended metadata for %s' % (file_full_path, key))
else:
passed('%s has recommended metadata for %s (%s)' % (file_full_path, key, metadata[key]))
if metadata.get('image', False):
try:
response = urllib2.urlopen(metadata['image'])
response_content_type = response.info().getheader('Content-Type')
if response_content_type not in allowed_image_content_types:
error('%s image metadata has bad content type: %s' % (file_full_path, response_content_type))
else:
passed('%s image content type looks good: %s' % (file_full_path, response_content_type))
except Exception:
warn('%s cannot fetch image: %s' % (file_full_path, metadata['image']))
errors = []
for linter in linters:
try:
debug('running %s' % " ".join(linter.cmd))
linter.lint(file_full_path)
except subprocess.CalledProcessError as cpe:
debug('%s failed linting with "%s"' % (file_full_path, " ".join(linter.cmd)))
errors.append({'linter': linter, 'output': cpe.output})
else:
errors = []
passed('%s linted successfully with "%s"' %
(file_full_path, " ".join(list(linter.cmd))))
break
for e in errors:
error('%s failed linting with "%s", please correct the following:' %
(file_full_path, " ".join(e['linter'].cmd)))
print e['output']
def boolean_string(string):
if string.lower() == "false":
return False
return True
parser = argparse.ArgumentParser()
parser.add_argument(
'--pr', action='store', nargs='?', const="True",
default=os.environ.get('TRAVIS_PULL_REQUEST', "False"),
type=boolean_string,
help='Run tests on changes from the root branch to HEAD. verbose is implied!')
parser.add_argument('--verbose', '-v', action='store_true', help='Turn on success and other non-critical messages')
parser.add_argument('--debug', action='store_true', help='Turn on debug messages')
parser.add_argument('files', nargs=argparse.REMAINDER)
args = parser.parse_args()
if args.pr:
output = subprocess.check_output(['git', 'diff', '--name-only', '--diff-filter=ACMR',
'origin/%s..HEAD' %
os.environ.get('TRAVIS_BRANCH', 'master')]).strip()
if not output:
warn('No changed files in this PR... weird...')
exit(0)
else:
args.files = output.split('\n')
args.verbose = True
elif not args.files:
for root, dirs, files_in_folder in os.walk("."):
for _file in files_in_folder:
args.files.append(os.path.join(root, _file).strip())
skip = [d for d in dirs if d.startswith(".")]
for d in skip:
debug('skipping directory %s' % d)
dirs.remove(d)
for _file in args.files:
file_name, file_ext = os.path.splitext(_file)
components = _file.split('/')
if components[0] == ".":
del components[0]
if any(s[0] == '.' for s in components) or file_ext == '.md':
debug('skipping file %s' % _file)
else:
debug('checking file %s' % _file)
check_file(os.path.join(os.getcwd(), _file))
if error_count > 0:
error('failed with %i errors' % error_count)
exit(1)