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26 lines
849 B
Python
26 lines
849 B
Python
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import unittest
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from test.support import is_emscripten
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if not is_emscripten:
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raise unittest.SkipTest("Emscripten-only test")
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from _testinternalcapi import emscripten_set_up_async_input_device
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from pathlib import Path
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class EmscriptenAsyncInputDeviceTest(unittest.TestCase):
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def test_emscripten_async_input_device(self):
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jspi_supported = emscripten_set_up_async_input_device()
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p = Path("/dev/blah")
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self.addCleanup(p.unlink)
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if not jspi_supported:
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with open(p, "r") as f:
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self.assertRaises(OSError, f.readline)
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return
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with open(p, "r") as f:
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for _ in range(10):
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self.assertEqual(f.readline().strip(), "ab")
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self.assertEqual(f.readline().strip(), "fi")
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self.assertEqual(f.readline().strip(), "xy")
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