--- /dev/null
+# Copyright 2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import sys
+
+from portage import _encodings, _unicode_decode
+from portage.tests import TestCase
+from _emerge.DependencyArg import DependencyArg
+
+STR_IS_UNICODE = sys.hexversion >= 0x3000000
+
+class StringFormatTestCase(TestCase):
+ """
+ Test that string formatting works correctly in the current interpretter,
+ which may be either python2 or python3.
+ """
+
+ # In order to get some unicode test strings in a way that works in
+ # both python2 and python3, write them here as byte strings and
+ # decode them before use. This assumes _encodings['content'] is
+ # utf_8.
+
+ unicode_strings = (
+ b'\xE2\x80\x98',
+ b'\xE2\x80\x99',
+ )
+
+ def testDependencyArg(self):
+
+ self.assertEqual(_encodings['content'], 'utf_8')
+
+ for arg_bytes in self.unicode_strings:
+ arg_unicode = _unicode_decode(arg_bytes, encoding=_encodings['content'])
+ dependency_arg = DependencyArg(arg=arg_unicode)
+
+ # Force unicode format string so that __unicode__() is
+ # called in python2.
+ formatted_str = _unicode_decode("%s") % (dependency_arg,)
+ self.assertEqual(formatted_str, arg_unicode)
+
+ if STR_IS_UNICODE:
+
+ # Test the __str__ method which returns unicode in python3
+ formatted_str = "%s" % (dependency_arg,)
+ self.assertEqual(formatted_str, arg_unicode)
+
+ else:
+
+ # Test the __str__ method which returns encoded bytes in python2
+ formatted_bytes = "%s" % (dependency_arg,)
+ self.assertEqual(formatted_bytes, arg_bytes)