source4/scripting/python/samba/tests/docs.py

   1 # Unix SMB/CIFS implementation.
   2 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2012
   3 #
   4 # Tests for documentation.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 """Tests for presence of documentation."""
  21
  22 import samba
  23 import samba.tests
  24
  25 import os
  26 import re
  27 import subprocess
  28
  29
  30 class TestCase(samba.tests.TestCase):
  31
  32     def _format_message(self, parameters, message):
  33         parameters = list(parameters)
  34         parameters.sort()
  35         return message + '\n\n    %s' % ('\n    '.join(parameters))
  36
  37
  38 def get_documented_parameters(sourcedir):
  39     p = subprocess.Popen(
  40         ["xsltproc", "--xinclude", "--param", "smb.context", "ALL", "generate-context.xsl", "parameters.all.xml"],
  41         stdout=subprocess.PIPE, cwd=os.path.join(sourcedir, "docs-xml", "smbdotconf"))
  42     out, err = p.communicate()
  43     assert p.returncode == 0, "returncode was %r" % p.returncode
  44     for l in out.splitlines():
  45         m = re.match('<samba:parameter .*?name="([^"]*?)"', l)
  46         if m:
  47             name = m.group(1)
  48             yield name
  49         m = re.match('.*<synonym>(.*)</synonym>.*', l)
  50         if m:
  51             name = m.group(1)
  52             yield name
  53
  54
  55 def get_implementation_parameters(sourcedir):
  56     # Reading entries from source code
  57     f = open(os.path.join(sourcedir, "lib/param/param_table.c"), "r")
  58     try:
  59         # burn through the preceding lines
  60         while True:
  61             l = f.readline()
  62             if l.startswith("static struct parm_struct parm_table"):
  63                 break
  64
  65         for l in f.readlines():
  66             if re.match("^\s*\}\;\s*$", l):
  67                 break
  68             # pull in the param names only
  69             if re.match(".*P_SEPARATOR.*", l):
  70                 continue
  71             m = re.match("\s*\.label\s*=\s*\"(.*)\".*", l)
  72             if not m:
  73                 continue
  74
  75             name = m.group(1)
  76             yield name
  77     finally:
  78         f.close()
  79
  80
  81 class SmbDotConfTests(TestCase):
  82
  83     def test_unknown(self):
  84         topdir = samba.source_tree_topdir()
  85         documented = set(get_documented_parameters(topdir))
  86         parameters = set(get_implementation_parameters(topdir))
  87         # Filter out parametric options, since we can't find them in the parm
  88         # table
  89         documented = set([p for p in documented if not ":" in p])
  90         unknown = documented.difference(parameters)
  91         if len(unknown) > 0:
  92             self.fail(self._format_message(unknown,
  93                 "Parameters that are documented but not in the implementation:"))
  94
  95     def test_undocumented(self):
  96         topdir = samba.source_tree_topdir()
  97         documented = set(get_documented_parameters(topdir))
  98         parameters = set(get_implementation_parameters(topdir))
  99         undocumented = parameters.difference(documented)
 100         if len(undocumented) > 0:
 101             self.fail(self._format_message(undocumented,
 102                 "Parameters that are in the implementation but undocumented:"))