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from test.support import run_unittest, open_urlresource
import unittest
import sys
import os
from unicodedata import normalize, unidata_version
TESTDATAFILE = "NormalizationTest.txt"
TESTDATAURL = "http://www.unicode.org/Public/" + unidata_version + "/ucd/" + TESTDATAFILE
# Verify we have the correct version of the test data file.
TESTDATAPATH = os.path.join(os.path.dirname(__file__), "data", TESTDATAFILE)
if os.path.exists(TESTDATAPATH):
f = open(TESTDATAPATH, encoding='utf-8')
l = f.readline()
f.close()
if not unidata_version in l:
os.unlink(testdatafile)
class RangeError(Exception):
pass
def NFC(str):
return normalize("NFC", str)
def NFKC(str):
return normalize("NFKC", str)
def NFD(str):
return normalize("NFD", str)
def NFKD(str):
return normalize("NFKD", str)
def unistr(data):
data = [int(x, 16) for x in data.split(" ")]
for x in data:
if x > sys.maxunicode:
raise RangeError
return "".join([chr(x) for x in data])
class NormalizationTest(unittest.TestCase):
def test_main(self):
part1_data = {}
for line in open_urlresource(TESTDATAURL, encoding="utf-8"):
if '#' in line:
line = line.split('#')[0]
line = line.strip()
if not line:
continue
if line.startswith("@Part"):
part = line.split()[0]
continue
if part == "@Part3":
# XXX we don't support PRI #29 yet, so skip these tests for now
continue
try:
c1,c2,c3,c4,c5 = [unistr(x) for x in line.split(';')[:-1]]
except RangeError:
# Skip unsupported characters;
# try atleast adding c1 if we are in part1
if part == "@Part1":
try:
c1 = unistr(line.split(';')[0])
except RangeError:
pass
else:
part1_data[c1] = 1
continue
# Perform tests
self.assertTrue(c2 == NFC(c1) == NFC(c2) == NFC(c3), line)
self.assertTrue(c4 == NFC(c4) == NFC(c5), line)
self.assertTrue(c3 == NFD(c1) == NFD(c2) == NFD(c3), line)
self.assertTrue(c5 == NFD(c4) == NFD(c5), line)
self.assertTrue(c4 == NFKC(c1) == NFKC(c2) == \
NFKC(c3) == NFKC(c4) == NFKC(c5),
line)
self.assertTrue(c5 == NFKD(c1) == NFKD(c2) == \
NFKD(c3) == NFKD(c4) == NFKD(c5),
line)
# Record part 1 data
if part == "@Part1":
part1_data[c1] = 1
# Perform tests for all other data
for c in range(sys.maxunicode+1):
X = chr(c)
if X in part1_data:
continue
self.assertTrue(X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X), c)
def test_bug_834676(self):
# Check for bug 834676
normalize('NFC', '\ud55c\uae00')
def test_main():
# Skip the test early if the 'urlfetch' resource is not enabled.
open_urlresource(TESTDATAURL)
run_unittest(NormalizationTest)
if __name__ == "__main__":
test_main()
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