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78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
import imp
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import unittest
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from test import 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.failUnlessEqual(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 ImportTests(unittest.TestCase):
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def test_find_module_encoding(self):
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fd = imp.find_module("heapq")[0]
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self.assertEqual(fd.encoding, "iso-8859-1")
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def test_issue1267(self):
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fp, filename, info = imp.find_module("pydoc")
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self.assertNotEqual(fp, None)
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self.assertEqual(fp.encoding, "iso-8859-1")
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self.assertEqual(fp.tell(), 0)
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self.assertEqual(fp.readline(), '#!/usr/bin/env python\n')
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fp.close()
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fp, filename, info = imp.find_module("tokenize")
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self.assertNotEqual(fp, None)
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self.assertEqual(fp.encoding, "utf-8")
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self.assertEqual(fp.tell(), 0)
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self.assertEqual(fp.readline(),
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'"""Tokenization help for Python programs.\n')
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fp.close()
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def test_reload(self):
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import marshal
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imp.reload(marshal)
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import string
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imp.reload(string)
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## import sys
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## self.assertRaises(ImportError, reload, sys)
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def test_main():
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support.run_unittest(
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LockTests,
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ImportTests,
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)
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if __name__ == "__main__":
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test_main()
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