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Test closed, mode attribute; don't test __exit__().

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This commit is contained in:
Guido van Rossum 2007-04-12 14:51:49 +00:00
parent d410395ea7
commit 31c3a57480
1 changed files with 17 additions and 22 deletions
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39
Lib/test/test_fileio.py
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@ -48,14 +48,14 @@ class AutoFileTests(unittest.TestCase):
def testAttributes(self):
# verify expected attributes exist
f = self.f
# XXX do we want these?
#f.name # merely shouldn't blow up
#f.mode # ditto
#f.closed # ditto
# verify the others aren't
for attr in 'name', 'mode', 'closed':
self.assertRaises((AttributeError, TypeError), setattr, f, attr, 'oops')
self.assertEquals(f.mode, "w")
self.assertEquals(f.closed, False)
# verify the attributes are readonly
for attr in 'mode', 'closed':
self.assertRaises((AttributeError, TypeError),
setattr, f, attr, 'oops')
def testReadinto(self):
# verify readinto
@ -74,12 +74,16 @@ class AutoFileTests(unittest.TestCase):
def testErrors(self):
f = self.f
self.assert_(not f.isatty())
#self.assert_(not f.closed) # XXX Do we want to support these?
self.assert_(not f.closed)
#self.assertEquals(f.name, TESTFN)
self.assertRaises(TypeError, f.readinto, "")
self.assertRaises(ValueError, f.read, 10) # Open for reading
f.close()
#self.assert_(f.closed) # XXX
self.assert_(f.closed)
f = _fileio._FileIO(TESTFN, 'r')
self.assertRaises(TypeError, f.readinto, "")
self.assert_(not f.closed)
f.close()
self.assert_(f.closed)
def testMethods(self):
methods = ['fileno', 'isatty', 'read', 'readinto',
@ -88,23 +92,14 @@ class AutoFileTests(unittest.TestCase):
if sys.platform.startswith('atheos'):
methods.remove('truncate')
# __exit__ should close the file
self.f.__exit__(None, None, None)
#self.assert_(self.f.closed) # XXX
self.f.close()
self.assert_(self.f.closed)
for methodname in methods:
method = getattr(self.f, methodname)
# should raise on closed file
self.assertRaises(ValueError, method)
# file is closed, __exit__ shouldn't do anything
self.assertEquals(self.f.__exit__(None, None, None), None)
# it must also return None if an exception was given
try:
1/0
except:
self.assertEquals(self.f.__exit__(*sys.exc_info()), None)
class OtherFileTests(unittest.TestCase):