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| 1 | +'''Tests for WindowsConsoleIO |
| 2 | +
|
| 3 | +Unfortunately, most testing requires interactive use, since we have no |
| 4 | +API to read back from a real console, and this class is only for use |
| 5 | +with real consoles. |
| 6 | +
|
| 7 | +Instead, we validate that basic functionality such as opening, closing |
| 8 | +and in particular fileno() work, but are forced to leave real testing |
| 9 | +to real people with real keyborads. |
| 10 | +''' |
| 11 | + |
| 12 | +import io |
| 13 | +import unittest |
| 14 | +import sys |
| 15 | + |
| 16 | +if sys.platform != 'win32': |
| 17 | + raise unittest.SkipTest("test only relevant on win32") |
| 18 | + |
| 19 | +ConIO = io._WindowsConsoleIO |
| 20 | + |
| 21 | +class WindowsConsoleIOTests(unittest.TestCase): |
| 22 | + def test_abc(self): |
| 23 | + self.assertTrue(issubclass(ConIO, io.RawIOBase)) |
| 24 | + self.assertFalse(issubclass(ConIO, io.BufferedIOBase)) |
| 25 | + self.assertFalse(issubclass(ConIO, io.TextIOBase)) |
| 26 | + |
| 27 | + def test_open_fd(self): |
| 28 | + f = ConIO(0) |
| 29 | + self.assertTrue(f.readable()) |
| 30 | + self.assertFalse(f.writable()) |
| 31 | + self.assertEqual(0, f.fileno()) |
| 32 | + f.close() # multiple close should not crash |
| 33 | + f.close() |
| 34 | + |
| 35 | + f = ConIO(1, 'w') |
| 36 | + self.assertFalse(f.readable()) |
| 37 | + self.assertTrue(f.writable()) |
| 38 | + self.assertEqual(1, f.fileno()) |
| 39 | + f.close() |
| 40 | + f.close() |
| 41 | + |
| 42 | + f = ConIO(2, 'w') |
| 43 | + self.assertFalse(f.readable()) |
| 44 | + self.assertTrue(f.writable()) |
| 45 | + self.assertEqual(2, f.fileno()) |
| 46 | + f.close() |
| 47 | + f.close() |
| 48 | + |
| 49 | + def test_open_name(self): |
| 50 | + f = ConIO("CON") |
| 51 | + self.assertTrue(f.readable()) |
| 52 | + self.assertFalse(f.writable()) |
| 53 | + self.assertIsNotNone(f.fileno()) |
| 54 | + f.close() # multiple close should not crash |
| 55 | + f.close() |
| 56 | + |
| 57 | + f = ConIO('CONIN$') |
| 58 | + self.assertTrue(f.readable()) |
| 59 | + self.assertFalse(f.writable()) |
| 60 | + self.assertIsNotNone(f.fileno()) |
| 61 | + f.close() |
| 62 | + f.close() |
| 63 | + |
| 64 | + f = ConIO('CONOUT$', 'w') |
| 65 | + self.assertFalse(f.readable()) |
| 66 | + self.assertTrue(f.writable()) |
| 67 | + self.assertIsNotNone(f.fileno()) |
| 68 | + f.close() |
| 69 | + f.close() |
| 70 | + |
| 71 | +if __name__ == "__main__": |
| 72 | + unittest.main() |
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