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bpo-37223: test_io: silence destructor errors (GH-13954)

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Implement also MockNonBlockWriterIO.seek() method.
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Victor Stinner 2019-06-11 03:10:59 +02:00 • committed by GitHub
parent 4f6f7c5a61
commit b589cef9c4
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1 changed files with 10 additions and 0 deletions
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10
Lib/test/test_io.py
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@ -277,6 +277,10 @@ class MockNonBlockWriterIO:
def seekable(self): def seekable(self):
return True return True
def seek(self, pos, whence=0):
# naive implementation, enough for tests
return 0
def writable(self): def writable(self):
return True return True
@ -1486,6 +1490,9 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
self.assertRaises(OSError, bufio.seek, 0) self.assertRaises(OSError, bufio.seek, 0)
self.assertRaises(OSError, bufio.tell) self.assertRaises(OSError, bufio.tell)
# Silence destructor error
bufio.close = lambda: None
def test_no_extraneous_read(self): def test_no_extraneous_read(self):
# Issue #9550; when the raw IO object has satisfied the read request, # Issue #9550; when the raw IO object has satisfied the read request,
# we should not issue any additional reads, otherwise it may block # we should not issue any additional reads, otherwise it may block
@ -1834,6 +1841,9 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
self.assertRaises(OSError, bufio.tell) self.assertRaises(OSError, bufio.tell)
self.assertRaises(OSError, bufio.write, b"abcdef") self.assertRaises(OSError, bufio.write, b"abcdef")
# Silence destructor error
bufio.close = lambda: None
def test_max_buffer_size_removal(self): def test_max_buffer_size_removal(self):
with self.assertRaises(TypeError): with self.assertRaises(TypeError):
self.tp(self.MockRawIO(), 8, 12) self.tp(self.MockRawIO(), 8, 12)