def test_read(self):
"""Test the return value of BinYes.read()
@todo: Decide on a policy for str vs. unicode
"""
self.assertRegexpMatches(BinYes.read(), '(y\n)+',
"read() must return a sequence of one or more 'y\\n' substrings")
self.assertRegexpMatches(BinYes.read(10), '(y\n)+',
"read(i) must return a sequence of one or more 'y\\n' substrings")
self.assertLessEqual(len(BinYes.read(10)), 10,
"read(10) must return no more than 10 characters.")
for i in xrange(0, 100):
self.assertRegexpMatches(BinYes.read(), '(y\n)+',
"read() must support being called any number of times")
#TODO: Move what follows into test_read_odd() once it doesn't fail.
req_len = 5
self.assertNotEqual(req_len % 2, 0,
"This test is broken and requires a request length that would "
"split a 'y\\n' substring.")
test_return = BinYes.read(req_len)
self.assertLessEqual(len(test_return), req_len,
"read() may return a string shorter than request but not longer.")
def test_read(self):
"""Test the return value of BinYes.read()
@todo: Decide on a policy for str vs. unicode
"""
self.assertRegexpMatches(
BinYes.read(), '(y\n)+',
"read() must return a sequence of one or more 'y\\n' substrings")
self.assertRegexpMatches(
BinYes.read(10), '(y\n)+',
"read(i) must return a sequence of one or more 'y\\n' substrings")
self.assertLessEqual(
len(BinYes.read(10)), 10,
"read(10) must return no more than 10 characters.")
for i in xrange(0, 100):
self.assertRegexpMatches(
BinYes.read(), '(y\n)+',
"read() must support being called any number of times")
#TODO: Move what follows into test_read_odd() once it doesn't fail.
req_len = 5
self.assertNotEqual(
req_len % 2, 0,
"This test is broken and requires a request length that would "
"split a 'y\\n' substring.")
test_return = BinYes.read(req_len)
self.assertLessEqual(
len(test_return), req_len,
"read() may return a string shorter than request but not longer.")
def test_read_odd(self):
"""Test that odd read() sizes don't break the 'y\\n' pairs."""
self.assertLessEqual(len(BinYes.read(1)), 1,
"read(1) must return no more than 1 character.")
self.assertEqual(len(BinYes.read(1)), 1,
"read(1) may not return zero characters because it could "
"break fragile subprocesses.")
self.fail("BinYes needs to be redesigned to ensure that read(1) can be"
" supported without risking a subprocess receiving '\\n' as its"
" first line of input and assuming it to mean 'use default'"
" because a previous user of BinYes read an odd number of"
" characters.")
def test_read_odd(self):
"""Test that odd read() sizes don't break the 'y\\n' pairs."""
self.assertLessEqual(len(BinYes.read(1)), 1,
"read(1) must return no more than 1 character.")
self.assertEqual(
len(BinYes.read(1)), 1,
"read(1) may not return zero characters because it could "
"break fragile subprocesses.")
self.fail(
"BinYes needs to be redesigned to ensure that read(1) can be"
" supported without risking a subprocess receiving '\\n' as its"
" first line of input and assuming it to mean 'use default'"
" because a previous user of BinYes read an odd number of"
" characters.")
def test_fileno(self):
"""Test the fileno() method of util.BinYes"""
self.assertTrue(hasattr(BinYes, 'fileno'),
"BinYes must have a fileno() method for compatibility.")
self.assertIsNone(BinYes.fileno(),
"fileno() must return None if there's no OS-level file"
"handle associated with it as in BinYes.")
def test_fileno(self):
"""Test the fileno() method of util.BinYes"""
self.assertTrue(
hasattr(BinYes, 'fileno'),
"BinYes must have a fileno() method for compatibility.")
self.assertIsNone(
BinYes.fileno(),
"fileno() must return None if there's no OS-level file"
"handle associated with it as in BinYes.")
