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#!/usr/bin/env python
# Unix SMB/CIFS implementation.
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2011
#
# Loosely based on bzrlib's test_source.py
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Source level Python tests."""
import errno
import os
import re
import warnings
from samba.tests import (
TestCase,
)
def get_python_source_files():
"""Iterate over all Python source files."""
library_dir = os.path.join(os.path.dirname(__file__), "..", "..", "samba")
for root, dirs, files in os.walk(library_dir):
for f in files:
if f.endswith(".py"):
yield os.path.abspath(os.path.join(root, f))
bindir = os.path.join(os.path.dirname(__file__), "..", "..", "..", "..", "bin")
for f in os.listdir(bindir):
p = os.path.abspath(os.path.join(bindir, f))
if not os.path.islink(p):
continue
target = os.readlink(p)
if os.path.dirname(target).endswith("scripting/bin"):
yield p
def get_source_file_contents():
"""Iterate over the contents of all python files."""
for fname in get_python_source_files():
try:
f = open(fname, 'rb')
except IOError, e:
if e.errno == errno.ENOENT:
warnings.warn("source file %s broken link?" % fname)
continue
else:
raise
try:
text = f.read()
finally:
f.close()
yield fname, text
class TestSource(TestCase):
def test_copyright(self):
"""Test that all Python files have a valid copyright statement."""
incorrect = []
copyright_re = re.compile('#\\s*copyright.*(?=\n)', re.I)
for fname, text in get_source_file_contents():
if fname.endswith("ms_schema.py"):
# FIXME: Not sure who holds copyright on ms_schema.py
continue
match = copyright_re.search(text)
if not match:
incorrect.append((fname, 'no copyright line found\n'))
if incorrect:
help_text = ["Some files have missing or incorrect copyright"
" statements.",
"",
]
for fname, comment in incorrect:
help_text.append(fname)
help_text.append((' ' * 4) + comment)
self.fail('\n'.join(help_text))
def test_gpl(self):
"""Test that all .py files have a GPL disclaimer."""
incorrect = []
gpl_txt = """
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
gpl_re = re.compile(re.escape(gpl_txt), re.MULTILINE)
for fname, text in get_source_file_contents():
if not gpl_re.search(text):
incorrect.append(fname)
if incorrect:
help_text = ['Some files have missing or incomplete GPL statement',
gpl_txt]
for fname in incorrect:
help_text.append((' ' * 4) + fname)
self.fail('\n'.join(help_text))
def _push_file(self, dict_, fname, line_no):
if fname not in dict_:
dict_[fname] = [line_no]
else:
dict_[fname].append(line_no)
def _format_message(self, dict_, message):
files = ["%s: %s" % (f, ', '.join([str(i + 1) for i in lines]))
for f, lines in dict_.items()]
files.sort()
return message + '\n\n %s' % ('\n '.join(files))
def _iter_source_files_lines(self):
for fname, text in get_source_file_contents():
lines = text.splitlines(True)
last_line_no = len(lines) - 1
for line_no, line in enumerate(lines):
yield fname, line_no, line
def test_no_tabs(self):
"""Check that there are no tabs in Python files."""
tabs = {}
for fname, line_no, line in self._iter_source_files_lines():
if '\t' in line:
self._push_file(tabs, fname, line_no)
if tabs:
self.fail(self._format_message(tabs,
'Tab characters were found in the following source files.'
'\nThey should either be replaced by "\\t" or by spaces:'))
def test_unix_newlines(self):
"""Check for unix new lines."""
illegal_newlines = {}
for fname, line_no, line in self._iter_source_files_lines():
if not line.endswith('\n') or line.endswith('\r\n'):
self._push_file(illegal_newlines, fname, line_no)
if illegal_newlines:
self.fail(self._format_message(illegal_newlines,
'Non-unix newlines were found in the following source files:'))
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