71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
#!/usr/bin/env python
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"""\
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@file testrunner.py
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@author Nat Goodspeed
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@date 2009-03-20
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@brief Utilities for writing wrapper scripts for ADD_COMM_BUILD_TEST unit tests
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$LicenseInfo:firstyear=2009&license=viewerlgpl$
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Second Life Viewer Source Code
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Copyright (C) 2010, Linden Research, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation;
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version 2.1 of the License only.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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$/LicenseInfo$
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"""
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import os
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import sys
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def debug(*args):
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sys.stdout.writelines(args)
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sys.stdout.flush()
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# comment out the line below to enable debug output
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debug = lambda *args: None
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def run(*args, **kwds):
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"""All positional arguments collectively form a command line, executed as
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a synchronous child process.
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In addition, pass server=new_thread_instance as an explicit keyword (to
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differentiate it from an additional command-line argument).
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new_thread_instance should be an instantiated but not yet started Thread
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subclass instance, e.g.:
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run("python", "-c", 'print "Hello, world!"', server=TestHTTPServer(name="httpd"))
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"""
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# If there's no server= keyword arg, don't start a server thread: simply
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# run a child process.
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try:
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thread = kwds.pop("server")
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except KeyError:
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pass
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else:
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# Start server thread. Note that this and all other comm server
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# threads should be daemon threads: we'll let them run "forever,"
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# confident that the whole process will terminate when the main thread
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# terminates, which will be when the child process terminates.
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thread.setDaemon(True)
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thread.start()
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# choice of os.spawnv():
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# - [v vs. l] pass a list of args vs. individual arguments,
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# - [no p] don't use the PATH because we specifically want to invoke the
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# executable passed as our first arg,
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# - [no e] child should inherit this process's environment.
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debug("Running %s...\n" % (" ".join(args)))
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sys.stdout.flush()
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rc = os.spawnv(os.P_WAIT, args[0], args)
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debug("%s returned %s\n" % (args[0], rc))
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return rc
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