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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
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import subprocess
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import mitogen.parent
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from mitogen.core import b
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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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options = mitogen.parent.Options(max_message_size=123)
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conn = mitogen.parent.Connection(options, self.router)
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conn.context = mitogen.core.Context(None, 123)
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args = conn.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 = open("/dev/null", "r")
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try:
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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(stdout,
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mitogen.parent.BootstrapProtocol.EC0_MARKER+b('\n'))
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self.assertIn(b("Error -5 while decompressing data"), stderr)
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finally:
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fp.close()
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