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			71 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import imp
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import unittest
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from test import test_support
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class LockTests(unittest.TestCase):
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    """Very basic test of import lock functions."""
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    def verify_lock_state(self, expected):
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        self.assertEqual(imp.lock_held(), expected,
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                             "expected imp.lock_held() to be %r" % expected)
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    def testLock(self):
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        LOOPS = 50
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        # The import lock may already be held, e.g. if the test suite is run
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        # via "import test.autotest".
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        lock_held_at_start = imp.lock_held()
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        self.verify_lock_state(lock_held_at_start)
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        for i in range(LOOPS):
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            imp.acquire_lock()
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            self.verify_lock_state(True)
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        for i in range(LOOPS):
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            imp.release_lock()
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        # The original state should be restored now.
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        self.verify_lock_state(lock_held_at_start)
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        if not lock_held_at_start:
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            try:
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                imp.release_lock()
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            except RuntimeError:
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                pass
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            else:
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                self.fail("release_lock() without lock should raise "
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                            "RuntimeError")
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class ReloadTests(unittest.TestCase):
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    """Very basic tests to make sure that imp.reload() operates just like
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    reload()."""
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    def test_source(self):
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        import os
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        imp.reload(os)
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    def test_extension(self):
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        import time
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        imp.reload(time)
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    def test_builtin(self):
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        import marshal
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        imp.reload(marshal)
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def test_main():
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    tests = [
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        ReloadTests,
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    ]
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    try:
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        import thread
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    except ImportError:
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        pass
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    else:
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        tests.append(LockTests)
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    test_support.run_unittest(*tests)
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if __name__ == "__main__":
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    test_main()
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