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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
7 years ago
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import subprocess
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import unittest
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import mitogen.master
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import testlib
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class CommandLineTest(testlib.RouterMixin, testlib.TestCase):
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# Ensure this version of Python produces a command line that is sufficient
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# to bootstrap this version of Python.
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#
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# TODO:
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# * 2.7 starting 2.4
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# * 2.7 starting 3.x
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# * 3.x starting 2.7
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def test_valid_syntax(self):
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stream = mitogen.master.Stream(self.router, 0)
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args = stream.get_boot_command()
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# Executing the boot command will print "EC0" and expect to read from
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# stdin, which will fail because it's pointing at /dev/null, causing
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# the forked child to crash with an EOFError and disconnect its write
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# pipe. The forked and freshly execed parent will get a 0-byte read
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# from the pipe, which is a valid script, and therefore exit indicating
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# success.
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fp = file("/dev/null", "r")
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proc = subprocess.Popen(args,
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stdin=fp,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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stdout, stderr = proc.communicate()
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self.assertEquals(0, proc.returncode)
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self.assertEquals("EC0\n", stdout)
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self.assertContains("EOFError", stderr)
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if __name__ == '__main__':
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unittest.main()
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