Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_normalization.py @ 73798:6cde416ef03b

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Credit Per Øyvind Karlsen for the initial implementation of the lzma module (issue #6715).
author Nadeem Vawda <nadeem.vawda@gmail.com>
date Thu, 01 Dec 2011 01:18:27 +0200
parents 3c9232a684ae
children 61227b4c169f 7d69d04522e3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
47201
9c930a32cebb #2621 rename test.test_support to test.support
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1 from test.support import run_unittest, open_urlresource
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2 import unittest
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3
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4 from http.client import HTTPException
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5 import sys
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6 import os
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7 from unicodedata import normalize, unidata_version
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8
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9 TESTDATAFILE = "NormalizationTest.txt"
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10 TESTDATAURL = "http://www.unicode.org/Public/" + unidata_version + "/ucd/" + TESTDATAFILE
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11
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12 def check_version(testfile):
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13 hdr = testfile.readline()
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14 return unidata_version in hdr
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15
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16 class RangeError(Exception):
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17 pass
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18
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19 def NFC(str):
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20 return normalize("NFC", str)
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21
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22 def NFKC(str):
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23 return normalize("NFKC", str)
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24
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25 def NFD(str):
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26 return normalize("NFD", str)
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27
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28 def NFKD(str):
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29 return normalize("NFKD", str)
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30
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31 def unistr(data):
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32 data = [int(x, 16) for x in data.split(" ")]
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33 for x in data:
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34 if x > sys.maxunicode:
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35 raise RangeError
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36 return "".join([chr(x) for x in data])
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37
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38 class NormalizationTest(unittest.TestCase):
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39 def test_main(self):
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40 part = None
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41 part1_data = {}
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42 # Hit the exception early
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43 try:
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44 testdata = open_urlresource(TESTDATAURL, encoding="utf-8",
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45 check=check_version)
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46 except (IOError, HTTPException):
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47 self.skipTest("Could not retrieve " + TESTDATAURL)
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48 self.addCleanup(testdata.close)
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49 for line in testdata:
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50 if '#' in line:
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51 line = line.split('#')[0]
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52 line = line.strip()
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53 if not line:
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54 continue
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55 if line.startswith("@Part"):
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56 part = line.split()[0]
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57 continue
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58 try:
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59 c1,c2,c3,c4,c5 = [unistr(x) for x in line.split(';')[:-1]]
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60 except RangeError:
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61 # Skip unsupported characters;
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62 # try atleast adding c1 if we are in part1
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63 if part == "@Part1":
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64 try:
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65 c1 = unistr(line.split(';')[0])
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66 except RangeError:
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67 pass
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68 else:
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69 part1_data[c1] = 1
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70 continue
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71
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72 # Perform tests
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73 self.assertTrue(c2 == NFC(c1) == NFC(c2) == NFC(c3), line)
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74 self.assertTrue(c4 == NFC(c4) == NFC(c5), line)
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75 self.assertTrue(c3 == NFD(c1) == NFD(c2) == NFD(c3), line)
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76 self.assertTrue(c5 == NFD(c4) == NFD(c5), line)
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77 self.assertTrue(c4 == NFKC(c1) == NFKC(c2) == \
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78 NFKC(c3) == NFKC(c4) == NFKC(c5),
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79 line)
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80 self.assertTrue(c5 == NFKD(c1) == NFKD(c2) == \
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81 NFKD(c3) == NFKD(c4) == NFKD(c5),
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82 line)
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83
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84 # Record part 1 data
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85 if part == "@Part1":
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86 part1_data[c1] = 1
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87
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88 # Perform tests for all other data
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89 for c in range(sys.maxunicode+1):
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90 X = chr(c)
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91 if X in part1_data:
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92 continue
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93 self.assertTrue(X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X), c)
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94
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95 def test_bug_834676(self):
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96 # Check for bug 834676
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97 normalize('NFC', '\ud55c\uae00')
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98
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99
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100 def test_main():
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101 run_unittest(NormalizationTest)
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102
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103 if __name__ == "__main__":
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104 test_main()