Lib/test/test_stringprep.py

   1 # To fully test this module, we would need a copy of the stringprep tables.
   2 # Since we don't have them, this test checks only a few codepoints.
   3
   4 import unittest
   5 from test import test_support
   6
   7 from stringprep import *
   8
   9 class StringprepTests(unittest.TestCase):
  10     def test(self):
  11         self.assertTrue(in_table_a1(u"\u0221"))
  12         self.assertFalse(in_table_a1(u"\u0222"))
  13
  14         self.assertTrue(in_table_b1(u"\u00ad"))
  15         self.assertFalse(in_table_b1(u"\u00ae"))
  16
  17         self.assertTrue(map_table_b2(u"\u0041"), u"\u0061")
  18         self.assertTrue(map_table_b2(u"\u0061"), u"\u0061")
  19
  20         self.assertTrue(map_table_b3(u"\u0041"), u"\u0061")
  21         self.assertTrue(map_table_b3(u"\u0061"), u"\u0061")
  22
  23         self.assertTrue(in_table_c11(u"\u0020"))
  24         self.assertFalse(in_table_c11(u"\u0021"))
  25
  26         self.assertTrue(in_table_c12(u"\u00a0"))
  27         self.assertFalse(in_table_c12(u"\u00a1"))
  28
  29         self.assertTrue(in_table_c12(u"\u00a0"))
  30         self.assertFalse(in_table_c12(u"\u00a1"))
  31
  32         self.assertTrue(in_table_c11_c12(u"\u00a0"))
  33         self.assertFalse(in_table_c11_c12(u"\u00a1"))
  34
  35         self.assertTrue(in_table_c21(u"\u001f"))
  36         self.assertFalse(in_table_c21(u"\u0020"))
  37
  38         self.assertTrue(in_table_c22(u"\u009f"))
  39         self.assertFalse(in_table_c22(u"\u00a0"))
  40
  41         self.assertTrue(in_table_c21_c22(u"\u009f"))
  42         self.assertFalse(in_table_c21_c22(u"\u00a0"))
  43
  44         self.assertTrue(in_table_c3(u"\ue000"))
  45         self.assertFalse(in_table_c3(u"\uf900"))
  46
  47         self.assertTrue(in_table_c4(u"\uffff"))
  48         self.assertFalse(in_table_c4(u"\u0000"))
  49
  50         self.assertTrue(in_table_c5(u"\ud800"))
  51         self.assertFalse(in_table_c5(u"\ud7ff"))
  52
  53         self.assertTrue(in_table_c6(u"\ufff9"))
  54         self.assertFalse(in_table_c6(u"\ufffe"))
  55
  56         self.assertTrue(in_table_c7(u"\u2ff0"))
  57         self.assertFalse(in_table_c7(u"\u2ffc"))
  58
  59         self.assertTrue(in_table_c8(u"\u0340"))
  60         self.assertFalse(in_table_c8(u"\u0342"))
  61
  62         # C.9 is not in the bmp
  63         # self.assertTrue(in_table_c9(u"\U000E0001"))
  64         # self.assertFalse(in_table_c8(u"\U000E0002"))
  65
  66         self.assertTrue(in_table_d1(u"\u05be"))
  67         self.assertFalse(in_table_d1(u"\u05bf"))
  68
  69         self.assertTrue(in_table_d2(u"\u0041"))
  70         self.assertFalse(in_table_d2(u"\u0040"))
  71
  72         # This would generate a hash of all predicates. However, running
  73         # it is quite expensive, and only serves to detect changes in the
  74         # unicode database. Instead, stringprep.py asserts the version of
  75         # the database.
  76
  77         # import hashlib
  78         # predicates = [k for k in dir(stringprep) if k.startswith("in_table")]
  79         # predicates.sort()
  80         # for p in predicates:
  81         #     f = getattr(stringprep, p)
  82         #     # Collect all BMP code points
  83         #     data = ["0"] * 0x10000
  84         #     for i in range(0x10000):
  85         #         if f(unichr(i)):
  86         #             data[i] = "1"
  87         #     data = "".join(data)
  88         #     h = hashlib.sha1()
  89         #     h.update(data)
  90         #     print p, h.hexdigest()
  91
  92 def test_main():
  93     test_support.run_unittest(StringprepTests)
  94
  95 if __name__ == '__main__':
  96     test_main()