def test_close(self):
dummyfile = DummyFile()
assert dummyfile.read() == ''
dummyfile.close()
self.assertRaises(IOError, dummyfile.read)
self.assertRaises(IOError, dummyfile.readline)
self.assertRaises(IOError, dummyfile.readlines)
self.assertRaises(IOError, iter(dummyfile).next)
dummyfile.close()
def test_read(self):
dummyfile = DummyFile()
assert dummyfile.read() == ''
def test_readlines(self):
dummyfile = DummyFile()
assert dummyfile.readlines() == []
def test_readlines_with_arg(self):
dummyfile = DummyFile()
assert dummyfile.readlines(100) == []
def test_read_with_arg(self):
dummyfile = DummyFile()
assert dummyfile.read(9) == ''
assert dummyfile.read(1) == ''
