selftest: Re-enable strings.py from source3/stf as a python subunit test

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

@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+
+# subunit test cases for Samba string functions.
+
+# Copyright (C) 2003 by Martin Pool <mbp@samba.org>
+# Copyright (C) 2011 Andrew Bartlett
+#
+# 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/>.
+
+# XXX: All this code assumes that the Unix character set is UTF-8,
+# which is the most common setting.  I guess it would be better to
+# force it to that value while running the tests.  I'm not sure of the
+# best way to do that yet.
+#
+# -- mbp
+
+import sys, re
+from unicodenames import *
+
+import samba.tests
+from samba import strcasecmp_m, strstr_m
+
+def signum(a):
+    if a < 0:
+        return -1
+    elif a > 0:
+        return +1
+    else:
+        return 0
+
+
+class strcasecmp_m_Tests(samba.tests.TestCase):
+    """String comparisons in simple ASCII and unicode"""
+    def test_strcasecmp_m(self):
+        # A, B, strcasecmp(A, B)
+        cases = [('hello', 'hello', 0),
+                 ('hello', 'goodbye', +1),
+                 ('goodbye', 'hello', -1),
+                 ('hell', 'hello', -1),
+                 ('', '', 0),
+                 ('a', '', +1),
+                 ('', 'a', -1),
+                 ('a', 'A', 0),
+                 ('aa', 'aA', 0),
+                 ('Aa', 'aa', 0),
+                 ('longstring ' * 100, 'longstring ' * 100, 0),
+                 ('longstring ' * 100, 'longstring ' * 100 + 'a', -1),
+                 ('longstring ' * 100 + 'a', 'longstring ' * 100, +1),
+                 (KATAKANA_LETTER_A, KATAKANA_LETTER_A, 0),
+                 (KATAKANA_LETTER_A, 'a', 1),
+                 ]
+        for a, b, expect in cases:
+            self.assertEquals(signum(strcasecmp_m(a.encode('utf-8'),
+                                                  b.encode('utf-8'))),
+                              expect)
+
+class strstr_m_Tests(samba.tests.TestCase):
+    """strstr_m tests in simple ASCII and unicode strings"""
+    def test_strstr_m(self):
+        # A, B, strstr_m(A, B)
+        cases = [('hello', 'hello', 'hello'),
+                 ('hello', 'goodbye', None),
+                 ('goodbye', 'hello', None),
+                 ('hell', 'hello', None),
+                 ('hello', 'hell', 'hello'),
+                 ('', '', ''),
+                 ('a', '', 'a'),
+                 ('', 'a', None),
+                 ('a', 'A', None),
+                 ('aa', 'aA', None),
+                 ('Aa', 'aa', None),
+                 ('%v foo', '%v', '%v foo'),
+                 ('foo %v foo', '%v', '%v foo'),
+                 ('foo %v', '%v', '%v'),
+                 ('longstring ' * 100, 'longstring ' * 99, 'longstring ' * 100),
+                 ('longstring ' * 99, 'longstring ' * 100, None),
+                 ('longstring a' * 99, 'longstring ' * 100 + 'a', None),
+                 ('longstring ' * 100 + 'a', 'longstring ' * 100, 'longstring ' * 100 + 'a'),
+                 (KATAKANA_LETTER_A, KATAKANA_LETTER_A + 'bcd', None),
+                 (KATAKANA_LETTER_A + 'bcde', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcde'),
+                 ('d'+KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcd'),
+                 ('d'+KATAKANA_LETTER_A + 'bd', KATAKANA_LETTER_A + 'bcd', None),
+
+                 ('e'+KATAKANA_LETTER_A + 'bcdf', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcdf'),
+                 (KATAKANA_LETTER_A, KATAKANA_LETTER_A + 'bcd', None),
+                 (KATAKANA_LETTER_A*3, 'a', None),
+                 ]
+        for a, b, expect in cases:
+            if expect is not None:
+                expect = expect.encode('utf-8')
+            self.assertEquals(strstr_m(a.encode('utf-8'),
+                                       b.encode('utf-8')),
+                              expect)