mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-09 16:34:44 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 17

implement a detach() method for BufferedIOBase and TextIOBase #5883

Browse source
This commit is contained in:
Benjamin Peterson 2009-05-01 20:40:59 +00:00
parent 155374d95d
commit d2e0c7955f
7 changed files with 214 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Lib/test/test_memoryio.py
View file

@ -57,6 +57,10 @@ class MemorySeekTestMixin:
class MemoryTestMixin:
def test_detach(self):
buf = self.ioclass()
self.assertRaises(self.UnsupportedOperation, buf.detach)
def write_ops(self, f, t):
self.assertEqual(f.write(t("blah.")), 5)
self.assertEqual(f.seek(0), 0)
@ -336,6 +340,9 @@ class MemoryTestMixin:
class PyBytesIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
UnsupportedOperation = pyio.UnsupportedOperation
@staticmethod
def buftype(s):
return s.encode("ascii")
@ -413,6 +420,7 @@ class PyBytesIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
buftype = str
ioclass = pyio.StringIO
UnsupportedOperation = pyio.UnsupportedOperation
EOF = ""
# TextIO-specific behaviour.
@ -518,9 +526,11 @@ class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
class CBytesIOTest(PyBytesIOTest):
ioclass = io.BytesIO
UnsupportedOperation = io.UnsupportedOperation
class CStringIOTest(PyStringIOTest):
ioclass = io.StringIO
UnsupportedOperation = io.UnsupportedOperation
# XXX: For the Python version of io.StringIO, this is highly
# dependent on the encoding used for the underlying buffer.