def test_eof(self):
# Populate stdin with an empty string. This will cause an
# EOF. In the interest of simplicity, just return this as an
# empty string. These are the same:
#
# sys.stdin = StringIO()
# sys.stdin = StringIO('')
#
populate_stdin('')
self.assertEqual(read_line('my prompt'), '')
self.assert_stdout_equal('my prompt')
def test_empty_line(self):
populate_stdin('\n')
self.assertEqual(read_line('fake prompt'), '')
self.assert_stdout_equal('fake prompt')
def test_normal_usage(self):
populate_stdin('awesome\n')
self.assertEqual(read_line('fake prompt'), 'awesome')
self.assert_stdout_equal('fake prompt')