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Text File  |  2003-12-30  |  2KB  |  74 lines
  1. import pickle
  2. import unittest
  3. from cStringIO import StringIO
  4.  
  5. from test import test_support
  6.  
  7. from test.pickletester import AbstractPickleTests
  8. from test.pickletester import AbstractPickleModuleTests
  9. from test.pickletester import AbstractPersistentPicklerTests
  10.  
  11. class PickleTests(AbstractPickleTests, AbstractPickleModuleTests):
  12.  
  13.     def dumps(self, arg, proto=0, fast=0):
  14.         # Ignore fast
  15.         return pickle.dumps(arg, proto)
  16.  
  17.     def loads(self, buf):
  18.         # Ignore fast
  19.         return pickle.loads(buf)
  20.  
  21.     module = pickle
  22.     error = KeyError
  23.  
  24. class PicklerTests(AbstractPickleTests):
  25.  
  26.     error = KeyError
  27.  
  28.     def dumps(self, arg, proto=0, fast=0):
  29.         f = StringIO()
  30.         p = pickle.Pickler(f, proto)
  31.         if fast:
  32.             p.fast = fast
  33.         p.dump(arg)
  34.         f.seek(0)
  35.         return f.read()
  36.  
  37.     def loads(self, buf):
  38.         f = StringIO(buf)
  39.         u = pickle.Unpickler(f)
  40.         return u.load()
  41.  
  42. class PersPicklerTests(AbstractPersistentPicklerTests):
  43.  
  44.     def dumps(self, arg, proto=0, fast=0):
  45.         class PersPickler(pickle.Pickler):
  46.             def persistent_id(subself, obj):
  47.                 return self.persistent_id(obj)
  48.         f = StringIO()
  49.         p = PersPickler(f, proto)
  50.         if fast:
  51.             p.fast = fast
  52.         p.dump(arg)
  53.         f.seek(0)
  54.         return f.read()
  55.  
  56.     def loads(self, buf):
  57.         class PersUnpickler(pickle.Unpickler):
  58.             def persistent_load(subself, obj):
  59.                 return self.persistent_load(obj)
  60.         f = StringIO(buf)
  61.         u = PersUnpickler(f)
  62.         return u.load()
  63.  
  64. def test_main():
  65.     test_support.run_unittest(
  66.         PickleTests,
  67.         PicklerTests,
  68.         PersPicklerTests
  69.     )
  70.     test_support.run_doctest(pickle)
  71.  
  72. if __name__ == "__main__":
  73.     test_main()
  74.