Author: Matti Picus <matti.pi...@gmail.com>
Branch: 
Changeset: r87860:20aad7aa5de1
Date: 2016-10-18 18:12 +0300
http://bitbucket.org/pypy/pypy/changeset/20aad7aa5de1/

Log:    test, fix __rmod__ and -A incompatibilities with cpython on str,
        unicode

diff --git a/pypy/objspace/std/bytesobject.py b/pypy/objspace/std/bytesobject.py
--- a/pypy/objspace/std/bytesobject.py
+++ b/pypy/objspace/std/bytesobject.py
@@ -605,6 +605,9 @@
     def descr_mod(self, space, w_values):
         return mod_format(space, self, w_values, do_unicode=False)
 
+    def descr_rmod(self, space, w_values):
+        return mod_format(space, w_values, self, do_unicode=False)
+
     def descr_eq(self, space, w_other):
         if space.config.objspace.std.withstrbuf:
             from pypy.objspace.std.strbufobject import W_StringBufferObject
@@ -937,6 +940,7 @@
     format = interpindirect2app(W_BytesObject.descr_format),
     __format__ = interpindirect2app(W_BytesObject.descr__format__),
     __mod__ = interpindirect2app(W_BytesObject.descr_mod),
+    __rmod__ = interpindirect2app(W_BytesObject.descr_rmod),
     __getnewargs__ = interpindirect2app(
         W_AbstractBytesObject.descr_getnewargs),
     _formatter_parser = interp2app(W_BytesObject.descr_formatter_parser),
diff --git a/pypy/objspace/std/stringmethods.py 
b/pypy/objspace/std/stringmethods.py
--- a/pypy/objspace/std/stringmethods.py
+++ b/pypy/objspace/std/stringmethods.py
@@ -649,10 +649,10 @@
             return self._starts_ends_overflow(prefix)
         return endswith(value, prefix, start, end)
 
-    def _strip(self, space, w_chars, left, right):
+    def _strip(self, space, w_chars, left, right, name='strip'):
         "internal function called by str_xstrip methods"
         value = self._val(space)
-        chars = self._op_val(space, w_chars, strict='strip')
+        chars = self._op_val(space, w_chars, strict=name)
 
         lpos = 0
         rpos = len(value)
@@ -689,17 +689,17 @@
     def descr_strip(self, space, w_chars=None):
         if space.is_none(w_chars):
             return self._strip_none(space, left=1, right=1)
-        return self._strip(space, w_chars, left=1, right=1)
+        return self._strip(space, w_chars, left=1, right=1, name='strip')
 
     def descr_lstrip(self, space, w_chars=None):
         if space.is_none(w_chars):
             return self._strip_none(space, left=1, right=0)
-        return self._strip(space, w_chars, left=1, right=0)
+        return self._strip(space, w_chars, left=1, right=0, name='lstrip')
 
     def descr_rstrip(self, space, w_chars=None):
         if space.is_none(w_chars):
             return self._strip_none(space, left=0, right=1)
-        return self._strip(space, w_chars, left=0, right=1)
+        return self._strip(space, w_chars, left=0, right=1, name='rstrip')
 
     def descr_swapcase(self, space):
         selfvalue = self._val(space)
diff --git a/pypy/objspace/std/test/test_bytesobject.py 
b/pypy/objspace/std/test/test_bytesobject.py
--- a/pypy/objspace/std/test/test_bytesobject.py
+++ b/pypy/objspace/std/test/test_bytesobject.py
@@ -92,6 +92,7 @@
         raises(ValueError, 'a%Zb'.__mod__, ((23,),))
 
     def test_format(self):
+        import sys
         raises(TypeError, "foo".__mod__, "bar")
         raises(TypeError, u"foo".__mod__, "bar")
         raises(TypeError, "foo".__mod__, u"bar")
@@ -105,6 +106,22 @@
             assert result == "a foo b"
             assert isinstance(result, cls)
 
+        for format, arg, cls in [("a %s b", "foo", str),
+                                 (u"a %s b", u"foo", unicode)]:
+            raises(TypeError, arg.__rmod__, format[:2])
+            result = arg.__rmod__(format)
+            assert result == "a foo b"
+            assert isinstance(result, cls)
+        for format, arg, cls in [(u"a %s b", "foo", str),
+                                 ("a %s b", u"foo", unicode)]:
+            result = arg.__rmod__(format)
+            if '__pypy__' in sys.builtin_module_names:
+                raises(TypeError, arg.__rmod__, format[:2])
+                assert result == "a foo b"
+                assert isinstance(result, cls)
+            else:
+                assert result is NotImplemented
+
     def test_format_c_overflow(self):
         raises(OverflowError, b'{0:c}'.format, -1)
         raises(OverflowError, b'{0:c}'.format, 256)
@@ -114,6 +131,7 @@
             exc_info = raises(TypeError, int_format.__mod__, '123')
             expected = int_format + ' format: a number is required, not str'
             assert str(exc_info.value) == expected
+        raises(TypeError, "None % 'abc'") # __rmod__
 
     def test_split(self):
         assert b"".split() == []
@@ -258,9 +276,9 @@
         exc = raises(TypeError, s.strip, buffer(' '))
         assert str(exc.value) == 'strip arg must be None, str or unicode'
         exc = raises(TypeError, s.rstrip, buffer(' '))
-        assert str(exc.value) == 'strip arg must be None, str or unicode'
+        assert str(exc.value) == 'rstrip arg must be None, str or unicode'
         exc = raises(TypeError, s.lstrip, buffer(' '))
-        assert str(exc.value) == 'strip arg must be None, str or unicode'
+        assert str(exc.value) == 'lstrip arg must be None, str or unicode'
 
     def test_zfill(self):
         assert b'123'.zfill(2) == b'123'
@@ -809,6 +827,10 @@
         raises(TypeError, len, iter(iterable))
 
     def test___radd__(self):
+        raises(TypeError, "None + ''")
+        raises(AttributeError, "'abc'.__radd__('def')")
+
+
         class Foo(object):
             def __radd__(self, other):
                 return 42
diff --git a/pypy/objspace/std/test/test_unicodeobject.py 
b/pypy/objspace/std/test/test_unicodeobject.py
--- a/pypy/objspace/std/test/test_unicodeobject.py
+++ b/pypy/objspace/std/test/test_unicodeobject.py
@@ -335,9 +335,9 @@
         exc = raises(TypeError, s.strip, buffer(' '))
         assert str(exc.value) == 'strip arg must be None, unicode or str'
         exc = raises(TypeError, s.rstrip, buffer(' '))
-        assert str(exc.value) == 'strip arg must be None, unicode or str'
+        assert str(exc.value) == 'rstrip arg must be None, unicode or str'
         exc = raises(TypeError, s.lstrip, buffer(' '))
-        assert str(exc.value) == 'strip arg must be None, unicode or str'
+        assert str(exc.value) == 'lstrip arg must be None, unicode or str'
 
     def test_strip_str_unicode(self):
         x = "--abc--".strip(u"-")
@@ -748,7 +748,9 @@
         assert 'abc'.__add__(u'def') == u'abcdef'
         assert u'abc'.__add__(u'def') == u'abcdef'
         assert u'abc'.__add__('def') == u'abcdef'
-        # xxx CPython has no str.__radd__ and no unicode.__radd__
+        assert u'abc'.__rmod__(u'%s') == u'abc'
+        ret = u'abc'.__rmod__('%s')
+        raises(AttributeError, "u'abc'.__radd__(u'def')")
 
     def test_str_unicode_concat_overrides(self):
         "Test from Jython about being bug-compatible with CPython."
diff --git a/pypy/objspace/std/unicodeobject.py 
b/pypy/objspace/std/unicodeobject.py
--- a/pypy/objspace/std/unicodeobject.py
+++ b/pypy/objspace/std/unicodeobject.py
@@ -319,6 +319,9 @@
     def descr_mod(self, space, w_values):
         return mod_format(space, self, w_values, do_unicode=True)
 
+    def descr_rmod(self, space, w_values):
+        return mod_format(space, w_values, self, do_unicode=True)
+
     def descr_translate(self, space, w_table):
         selfvalue = self._value
         w_sys = space.getbuiltinmodule('sys')
@@ -633,6 +636,9 @@
     def __mod__():
         """x.__mod__(y) <==> x%y"""
 
+    def __rmod__():
+        """x.__rmod__(y) <==> y%x"""
+
     def __mul__():
         """x.__mul__(n) <==> x*n"""
 
@@ -1096,6 +1102,8 @@
                             doc=UnicodeDocstrings.__format__.__doc__),
     __mod__ = interp2app(W_UnicodeObject.descr_mod,
                          doc=UnicodeDocstrings.__mod__.__doc__),
+    __rmod__ = interp2app(W_UnicodeObject.descr_rmod,
+                         doc=UnicodeDocstrings.__rmod__.__doc__),
     __getnewargs__ = interp2app(W_UnicodeObject.descr_getnewargs,
                                 doc=UnicodeDocstrings.__getnewargs__.__doc__),
     _formatter_parser = interp2app(W_UnicodeObject.descr_formatter_parser),
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