author | William Roberts <williamr@symbian.org> |
Tue, 04 Aug 2009 11:50:27 +0100 | |
changeset 3 | c2946f91d81f |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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""" |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Create and delete FILES_PER_THREAD temp files (via tempfile.TemporaryFile) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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in each of NUM_THREADS threads, recording the number of successes and |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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failures. A failure is a bug in tempfile, and may be due to: |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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+ Trying to create more than one tempfile with the same name. |
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+ Trying to delete a tempfile that doesn't still exist. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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+ Something we've never seen before. |
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|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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By default, NUM_THREADS == 20 and FILES_PER_THREAD == 50. This is enough to |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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create about 150 failures per run under Win98SE in 2.0, and runs pretty |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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quickly. Guido reports needing to boost FILES_PER_THREAD to 500 before |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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provoking a 2.0 failure under Linux. |
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""" |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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NUM_THREADS = 20 |
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FILES_PER_THREAD = 50 |
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|
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import thread # If this fails, we can't test this module |
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import threading |
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import tempfile |
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|
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from test.test_support import threading_setup, threading_cleanup, run_unittest |
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import unittest |
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import StringIO |
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from traceback import print_exc |
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startEvent = threading.Event() |
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class TempFileGreedy(threading.Thread): |
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error_count = 0 |
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ok_count = 0 |
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def run(self): |
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self.errors = StringIO.StringIO() |
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startEvent.wait() |
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for i in range(FILES_PER_THREAD): |
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try: |
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f = tempfile.TemporaryFile("w+b") |
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f.close() |
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except: |
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self.error_count += 1 |
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print_exc(file=self.errors) |
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else: |
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self.ok_count += 1 |
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|
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class ThreadedTempFileTest(unittest.TestCase): |
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def test_main(self): |
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threads = [] |
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thread_info = threading_setup() |
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for i in range(NUM_THREADS): |
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t = TempFileGreedy() |
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threads.append(t) |
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t.start() |
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startEvent.set() |
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ok = 0 |
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errors = [] |
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for t in threads: |
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t.join() |
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ok += t.ok_count |
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if t.error_count: |
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errors.append(str(t.getName()) + str(t.errors.getvalue())) |
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|
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threading_cleanup(*thread_info) |
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msg = "Errors: errors %d ok %d\n%s" % (len(errors), ok, |
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'\n'.join(errors)) |
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self.assertEquals(errors, [], msg) |
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self.assertEquals(ok, NUM_THREADS * FILES_PER_THREAD) |
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def test_main(): |
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run_unittest(ThreadedTempFileTest) |
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|
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if __name__ == "__main__": |
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test_main() |