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-rw-r--r--Lib/test/test_io.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 5528c46..039da53 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -429,6 +429,7 @@ class IOTest(unittest.TestCase):
@unittest.skipIf(
support.is_emscripten, "fstat() of a pipe fd is not supported"
)
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_optional_abilities(self):
# Test for OSError when optional APIs are not supported
# The purpose of this test is to try fileno(), reading, writing and
@@ -3970,6 +3971,7 @@ class MiscIOTest(unittest.TestCase):
@unittest.skipIf(
support.is_emscripten, "fstat() of a pipe fd is not supported"
)
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_open_pipe_with_append(self):
# bpo-27805: Ignore ESPIPE from lseek() in open().
r, w = os.pipe()
@@ -4108,6 +4110,7 @@ class MiscIOTest(unittest.TestCase):
with warnings_helper.check_no_resource_warning(self):
open(r, *args, closefd=False, **kwargs)
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_warn_on_dealloc_fd(self):
self._check_warn_on_dealloc_fd("rb", buffering=0)
self._check_warn_on_dealloc_fd("rb")
@@ -4147,6 +4150,7 @@ class MiscIOTest(unittest.TestCase):
@unittest.skipUnless(hasattr(os, 'set_blocking'),
'os.set_blocking() required for this test')
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def _test_nonblock_pipe_write(self, bufsize):
sent = []
received = []
@@ -4458,14 +4462,17 @@ class SignalsTest(unittest.TestCase):
raise
@requires_alarm
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_interrupted_write_unbuffered(self):
self.check_interrupted_write(b"xy", b"xy", mode="wb", buffering=0)
@requires_alarm
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_interrupted_write_buffered(self):
self.check_interrupted_write(b"xy", b"xy", mode="wb")
@requires_alarm
+ @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
def test_interrupted_write_text(self):
self.check_interrupted_write("xy", b"xy", mode="w", encoding="ascii")