105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
from test.support import run_unittest, open_urlresource
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import unittest
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from http.client import HTTPException
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import sys
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import os
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from unicodedata import normalize, unidata_version
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TESTDATAFILE = "NormalizationTest.txt"
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TESTDATAURL = "http://www.unicode.org/Public/" + unidata_version + "/ucd/" + TESTDATAFILE
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def check_version(testfile):
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hdr = testfile.readline()
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return unidata_version in hdr
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class RangeError(Exception):
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pass
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def NFC(str):
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return normalize("NFC", str)
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def NFKC(str):
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return normalize("NFKC", str)
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def NFD(str):
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return normalize("NFD", str)
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def NFKD(str):
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return normalize("NFKD", str)
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def unistr(data):
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data = [int(x, 16) for x in data.split(" ")]
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for x in data:
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if x > sys.maxunicode:
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raise RangeError
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return "".join([chr(x) for x in data])
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class NormalizationTest(unittest.TestCase):
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def test_main(self):
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part = None
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part1_data = {}
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# Hit the exception early
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try:
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testdata = open_urlresource(TESTDATAURL, encoding="utf-8",
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check=check_version)
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except (OSError, HTTPException):
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self.skipTest("Could not retrieve " + TESTDATAURL)
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self.addCleanup(testdata.close)
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for line in testdata:
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if '#' in line:
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line = line.split('#')[0]
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line = line.strip()
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if not line:
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continue
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if line.startswith("@Part"):
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part = line.split()[0]
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continue
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try:
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c1,c2,c3,c4,c5 = [unistr(x) for x in line.split(';')[:-1]]
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except RangeError:
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# Skip unsupported characters;
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# try at least adding c1 if we are in part1
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if part == "@Part1":
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try:
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c1 = unistr(line.split(';')[0])
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except RangeError:
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pass
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else:
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part1_data[c1] = 1
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continue
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# Perform tests
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self.assertTrue(c2 == NFC(c1) == NFC(c2) == NFC(c3), line)
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self.assertTrue(c4 == NFC(c4) == NFC(c5), line)
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self.assertTrue(c3 == NFD(c1) == NFD(c2) == NFD(c3), line)
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self.assertTrue(c5 == NFD(c4) == NFD(c5), line)
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self.assertTrue(c4 == NFKC(c1) == NFKC(c2) == \
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NFKC(c3) == NFKC(c4) == NFKC(c5),
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line)
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self.assertTrue(c5 == NFKD(c1) == NFKD(c2) == \
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NFKD(c3) == NFKD(c4) == NFKD(c5),
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line)
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# Record part 1 data
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if part == "@Part1":
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part1_data[c1] = 1
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# Perform tests for all other data
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for c in range(sys.maxunicode+1):
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X = chr(c)
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if X in part1_data:
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continue
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self.assertTrue(X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X), c)
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def test_bug_834676(self):
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# Check for bug 834676
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normalize('NFC', '\ud55c\uae00')
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def test_main():
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run_unittest(NormalizationTest)
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if __name__ == "__main__":
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test_main()
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