from test.support import run_unittest, open_urlresource import unittest from http.client import HTTPException import sys import os from unicodedata import normalize, unidata_version TESTDATAFILE = "NormalizationTest.txt" TESTDATAURL = "http://www.unicode.org/Public/" + unidata_version + "/ucd/" + TESTDATAFILE def check_version(testfile): hdr = testfile.readline() return unidata_version in hdr 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): part = None part1_data = {} # Hit the exception early try: testdata = open_urlresource(TESTDATAURL, encoding="utf-8", check=check_version) except (OSError, HTTPException): self.skipTest("Could not retrieve " + TESTDATAURL) self.addCleanup(testdata.close) for line in testdata: if '#' in line: line = line.split('#')[0] line = line.strip() if not line: continue if line.startswith("@Part"): part = line.split()[0] continue try: c1,c2,c3,c4,c5 = [unistr(x) for x in line.split(';')[:-1]] except RangeError: # Skip unsupported characters; # try at least 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(): run_unittest(NormalizationTest) if __name__ == "__main__": test_main()