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47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
import unittest
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import testlib
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import stdio_checks
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class StdIOMixin(testlib.RouterMixin):
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"""
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Test that stdin, stdout, and stderr conform to common expectations,
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such as blocking IO.
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"""
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def check_can_write_stdout_1_mib(self, context):
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"""
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Writing to stdout should not raise EAGAIN. Regression test for
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https://github.com/mitogen-hq/mitogen/issues/712.
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"""
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size = 1 * 2**20
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nwritten = context.call(stdio_checks.shout_stdout, size)
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self.assertEqual(nwritten, size)
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def check_stdio_is_blocking(self, context):
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stdin_blocking, stdout_blocking, stderr_blocking = context.call(
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stdio_checks.stdio_is_blocking,
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)
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self.assertTrue(stdin_blocking)
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self.assertTrue(stdout_blocking)
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self.assertTrue(stderr_blocking)
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class LocalTest(StdIOMixin, testlib.TestCase):
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def test_can_write_stdout_1_mib(self):
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self.check_can_write_stdout_1_mib(self.router.local())
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def test_stdio_is_blocking(self):
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self.check_stdio_is_blocking(self.router.local())
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class SudoTest(StdIOMixin, testlib.TestCase):
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@unittest.skipIf(not testlib.have_sudo_nopassword(), 'Needs passwordless sudo')
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def test_can_write_stdout_1_mib(self):
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self.check_can_write_stdout_1_mib(self.router.sudo())
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@unittest.skipIf(not testlib.have_sudo_nopassword(), 'Needs passwordless sudo')
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def test_stdio_is_blocking(self):
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self.check_stdio_is_blocking(self.router.sudo())
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