tests: Convert find_missing_doc into a unit test.

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

@@ -0,0 +1,90 @@
+# Unix SMB/CIFS implementation.
+# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2012
+#
+# Tests for documentation.
+#
+# 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/>.
+#
+
+"""Tests for presence of documentation."""
+
+import samba
+import samba.tests
+
+import os
+import re
+import subprocess
+
+
+class TestCase(samba.tests.TestCase):
+
+    def _format_message(self, parameters, message):
+        parameters = list(parameters)
+        parameters.sort()
+        return message + '\n\n    %s' % ('\n    '.join(parameters))
+
+
+def get_documented_parameters(sourcedir):
+    p = subprocess.Popen(
+        ["xsltproc", "--xinclude", "--param", "smb.context", "ALL", "generate-context.xsl", "parameters.all.xml"],
+        stdout=subprocess.PIPE, cwd=os.path.join(sourcedir, "docs-xml", "smbdotconf"))
+    out, err = p.communicate()
+    assert p.returncode == 0, "returncode was %r" % p.returncode
+    for l in out.splitlines():
+        m = re.match('<samba:parameter .*?name="([^"]*?)"', l)
+        if m:
+            name = m.group(1).replace(" ", "")
+            yield name
+
+
+def get_implementation_parameters(sourcedir):
+    # Reading entries from source code
+    f = open(os.path.join(sourcedir, "lib/param/param_table.c"), "r")
+    try:
+        # burn through the preceding lines
+        while True:
+            l = f.readline()
+            if l.startswith("static struct parm_struct parm_table"):
+                break
+
+        for l in f.readlines():
+            if re.match("^\s*\}\;\s*$", l):
+                break
+            # pull in the param names only
+            if re.match(".*P_SEPARATOR.*", l):
+                continue
+            m = re.match("\s*\.label\s*=\s*\"(.*)\".*", l)
+            if not m:
+                continue
+
+            name = m.group(1)
+            yield name.lower().replace(" ", "")
+    finally:
+        f.close()
+
+
+class SmbDotConfTests(TestCase):
+
+    def test_missing(self):
+        topdir = samba.source_tree_topdir()
+        documented = set(get_documented_parameters(topdir))
+        parameters = set(get_implementation_parameters(topdir))
+        unknown = documented.difference(parameters)
+        if len(unknown) > 0:
+            self.fail(self._format_message(unknown,
+                "Parameters that are documented but not in the implementation:"))
+        undocumented = parameters.difference(documented)
+        if len(undocumented) > 0:
+            self.fail(self._format_message(undocumented,
+                "Parameters that are in the implementation but undocumented:"))