cpython/Lib/test/test_unicode.py

""" Test script for the Unicode implementation.

Written by Marc-Andre Lemburg (mal@lemburg.com).

(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.

"""
from test_support import verbose
import sys

def test(method, input, output, *args):
    if verbose:
        print '%s.%s%s =? %s... ' % (repr(input), method, args, output),
    try:
        f = getattr(input, method)
        value = apply(f, args)
    except:
        value = sys.exc_type
        exc = sys.exc_info()[:2]
    else:
        exc = None
    if value != output:
        if verbose:
            print 'no'
        print '*',f, `input`, `output`, `value`
        if exc:
            print '  value == %s: %s' % (exc)
    else:
        if verbose:
            print 'yes'

test('capitalize', u' hello ', u' hello ')
test('capitalize', u'hello ', u'Hello ')

test('title', u' hello ', u' Hello ')
test('title', u'hello ', u'Hello ')
test('title', u"fOrMaT thIs aS titLe String", u'Format This As Title String')
test('title', u"fOrMaT,thIs-aS*titLe;String", u'Format,This-As*Title;String')
test('title', u"getInt", u'Getint')

test('find', u'abcdefghiabc', 0, u'abc')
test('find', u'abcdefghiabc', 9, u'abc', 1)
test('find', u'abcdefghiabc', -1, u'def', 4)

test('rfind', u'abcdefghiabc', 9, u'abc')

test('lower', u'HeLLo', u'hello')
test('lower', u'hello', u'hello')

test('upper', u'HeLLo', u'HELLO')
test('upper', u'HELLO', u'HELLO')

if 0:
    transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'

    test('maketrans', u'abc', transtable, u'xyz')
    test('maketrans', u'abc', ValueError, u'xyzq')

test('split', u'this is the split function',
     [u'this', u'is', u'the', u'split', u'function'])
test('split', u'a|b|c|d', [u'a', u'b', u'c', u'd'], u'|')
test('split', u'a|b|c|d', [u'a', u'b', u'c|d'], u'|', 2)
test('split', u'a b c d', [u'a', u'b c d'], None, 1)
test('split', u'a b c d', [u'a', u'b', u'c d'], None, 2)
test('split', u'a b c d', [u'a', u'b', u'c', u'd'], None, 3)
test('split', u'a b c d', [u'a', u'b', u'c', u'd'], None, 4)
test('split', u'a b c d', [u'a b c d'], None, 0)
test('split', u'a  b  c  d', [u'a', u'b', u'c  d'], None, 2)
test('split', u'a b c d ', [u'a', u'b', u'c', u'd'])

# join now works with any sequence type
class Sequence:
    def __init__(self): self.seq = 'wxyz'
    def __len__(self): return len(self.seq)
    def __getitem__(self, i): return self.seq[i]

test('join', u' ', u'a b c d', [u'a', u'b', u'c', u'd'])
test('join', u'', u'abcd', (u'a', u'b', u'c', u'd'))
test('join', u' ', u'w x y z', Sequence())
test('join', u' ', TypeError, 7)

class BadSeq(Sequence):
    def __init__(self): self.seq = [7, u'hello', 123L]

test('join', u' ', TypeError, BadSeq())

result = u''
for i in range(10):
    if i > 0:
        result = result + u':'
    result = result + u'x'*10
test('join', u':', result, [u'x' * 10] * 10)
test('join', u':', result, (u'x' * 10,) * 10)

test('strip', u'   hello   ', u'hello')
test('lstrip', u'   hello   ', u'hello   ')
test('rstrip', u'   hello   ', u'   hello')
test('strip', u'hello', u'hello')

test('swapcase', u'HeLLo cOmpUteRs', u'hEllO CoMPuTErS')

if 0:
    test('translate', u'xyzabcdef', u'xyzxyz', transtable, u'def')

    table = string.maketrans('a', u'A')
    test('translate', u'abc', u'Abc', table)
    test('translate', u'xyz', u'xyz', table)

test('replace', u'one!two!three!', u'one@two!three!', u'!', u'@', 1)
test('replace', u'one!two!three!', u'onetwothree', '!', '')
test('replace', u'one!two!three!', u'one@two@three!', u'!', u'@', 2)
test('replace', u'one!two!three!', u'one@two@three@', u'!', u'@', 3)
test('replace', u'one!two!three!', u'one@two@three@', u'!', u'@', 4)
test('replace', u'one!two!three!', u'one!two!three!', u'!', u'@', 0)
test('replace', u'one!two!three!', u'one@two@three@', u'!', u'@')
test('replace', u'one!two!three!', u'one!two!three!', u'x', u'@')
test('replace', u'one!two!three!', u'one!two!three!', u'x', u'@', 2)

test('startswith', u'hello', 1, u'he')
test('startswith', u'hello', 1, u'hello')
test('startswith', u'hello', 0, u'hello world')
test('startswith', u'hello', 1, u'')
test('startswith', u'hello', 0, u'ello')
test('startswith', u'hello', 1, u'ello', 1)
test('startswith', u'hello', 1, u'o', 4)
test('startswith', u'hello', 0, u'o', 5)
test('startswith', u'hello', 1, u'', 5)
test('startswith', u'hello', 0, u'lo', 6)
test('startswith', u'helloworld', 1, u'lowo', 3)
test('startswith', u'helloworld', 1, u'lowo', 3, 7)
test('startswith', u'helloworld', 0, u'lowo', 3, 6)

test('endswith', u'hello', 1, u'lo')
test('endswith', u'hello', 0, u'he')
test('endswith', u'hello', 1, u'')
test('endswith', u'hello', 0, u'hello world')
test('endswith', u'helloworld', 0, u'worl')
test('endswith', u'helloworld', 1, u'worl', 3, 9)
test('endswith', u'helloworld', 1, u'world', 3, 12)
test('endswith', u'helloworld', 1, u'lowo', 1, 7)
test('endswith', u'helloworld', 1, u'lowo', 2, 7)
test('endswith', u'helloworld', 1, u'lowo', 3, 7)
test('endswith', u'helloworld', 0, u'lowo', 4, 7)
test('endswith', u'helloworld', 0, u'lowo', 3, 8)
test('endswith', u'ab', 0, u'ab', 0, 1)
test('endswith', u'ab', 0, u'ab', 0, 0)

test('expandtabs', u'abc\rab\tdef\ng\thi', u'abc\rab      def\ng       hi')
test('expandtabs', u'abc\rab\tdef\ng\thi', u'abc\rab      def\ng       hi', 8)
test('expandtabs', u'abc\rab\tdef\ng\thi', u'abc\rab  def\ng   hi', 4)
test('expandtabs', u'abc\r\nab\tdef\ng\thi', u'abc\r\nab  def\ng   hi', 4)

if 0:
    test('capwords', u'abc def ghi', u'Abc Def Ghi')
    test('capwords', u'abc\tdef\nghi', u'Abc Def Ghi')
    test('capwords', u'abc\t   def  \nghi', u'Abc Def Ghi')

# Comparisons:
print 'Testing Unicode comparisons...',
assert u'abc' == 'abc'
assert 'abc' == u'abc'
assert u'abc' == u'abc'
assert u'abcd' > 'abc'
assert 'abcd' > u'abc'
assert u'abcd' > u'abc'
assert u'abc' < 'abcd'
assert 'abc' < u'abcd'
assert u'abc' < u'abcd'
print 'done.'

print 'Testing UTF-16 code point order comparisons...',
#No surrogates, no fixup required.
assert u'\u0061' < u'\u20ac'
# Non surrogate below surrogate value, no fixup required
assert u'\u0061' < u'\ud800\udc02'

# Non surrogate above surrogate value, fixup required
def test_lecmp(s, s2):
  assert s <  s2 , "comparison failed on %s < %s" % (s, s2)
  
def test_fixup(s):
  s2 = u'\ud800\udc01'
  test_lecmp(s, s2)
  s2 = u'\ud900\udc01'
  test_lecmp(s, s2)
  s2 = u'\uda00\udc01'
  test_lecmp(s, s2)
  s2 = u'\udb00\udc01'
  test_lecmp(s, s2)
  s2 = u'\ud800\udd01'
  test_lecmp(s, s2)
  s2 = u'\ud900\udd01'
  test_lecmp(s, s2)
  s2 = u'\uda00\udd01'
  test_lecmp(s, s2)
  s2 = u'\udb00\udd01'
  test_lecmp(s, s2)
  s2 = u'\ud800\ude01'
  test_lecmp(s, s2)
  s2 = u'\ud900\ude01'
  test_lecmp(s, s2)
  s2 = u'\uda00\ude01'
  test_lecmp(s, s2)
  s2 = u'\udb00\ude01'
  test_lecmp(s, s2)
  s2 = u'\ud800\udfff'
  test_lecmp(s, s2)
  s2 = u'\ud900\udfff'
  test_lecmp(s, s2)
  s2 = u'\uda00\udfff'
  test_lecmp(s, s2)
  s2 = u'\udb00\udfff'
  test_lecmp(s, s2)

test_fixup(u'\ue000')
test_fixup(u'\uff61')

# Surrogates on both sides, no fixup required
assert u'\ud800\udc02' < u'\ud84d\udc56'
print 'done.'

test('ljust', u'abc',  u'abc       ', 10)
test('rjust', u'abc',  u'       abc', 10)
test('center', u'abc', u'   abc    ', 10)
test('ljust', u'abc',  u'abc   ', 6)
test('rjust', u'abc',  u'   abc', 6)
test('center', u'abc', u' abc  ', 6)
test('ljust', u'abc', u'abc', 2)
test('rjust', u'abc', u'abc', 2)
test('center', u'abc', u'abc', 2)

test('islower', u'a', 1)
test('islower', u'A', 0)
test('islower', u'\n', 0)
test('islower', u'\u1FFc', 0)
test('islower', u'abc', 1)
test('islower', u'aBc', 0)
test('islower', u'abc\n', 1)

test('isupper', u'a', 0)
test('isupper', u'A', 1)
test('isupper', u'\n', 0)
test('isupper', u'\u1FFc', 0)
test('isupper', u'ABC', 1)
test('isupper', u'AbC', 0)
test('isupper', u'ABC\n', 1)

test('istitle', u'a', 0)
test('istitle', u'A', 1)
test('istitle', u'\n', 0)
test('istitle', u'\u1FFc', 1)
test('istitle', u'A Titlecased Line', 1)
test('istitle', u'A\nTitlecased Line', 1)
test('istitle', u'A Titlecased, Line', 1)
test('istitle', u'Greek \u1FFcitlecases ...', 1)
test('istitle', u'Not a capitalized String', 0)
test('istitle', u'Not\ta Titlecase String', 0)
test('istitle', u'Not--a Titlecase String', 0)

test('isalpha', u'a', 1)
test('isalpha', u'A', 1)
test('isalpha', u'\n', 0)
test('isalpha', u'\u1FFc', 1)
test('isalpha', u'abc', 1)
test('isalpha', u'aBc123', 0)
test('isalpha', u'abc\n', 0)

test('isalnum', u'a', 1)
test('isalnum', u'A', 1)
test('isalnum', u'\n', 0)
test('isalnum', u'123abc456', 1)
test('isalnum', u'a1b3c', 1)
test('isalnum', u'aBc000 ', 0)
test('isalnum', u'abc\n', 0)

test('splitlines', u"abc\ndef\n\rghi", [u'abc', u'def', u'', u'ghi'])
test('splitlines', u"abc\ndef\n\r\nghi", [u'abc', u'def', u'', u'ghi'])
test('splitlines', u"abc\ndef\r\nghi", [u'abc', u'def', u'ghi'])
test('splitlines', u"abc\ndef\r\nghi\n", [u'abc', u'def', u'ghi'])
test('splitlines', u"abc\ndef\r\nghi\n\r", [u'abc', u'def', u'ghi', u''])
test('splitlines', u"\nabc\ndef\r\nghi\n\r", [u'', u'abc', u'def', u'ghi', u''])
test('splitlines', u"\nabc\ndef\r\nghi\n\r", [u'\n', u'abc\n', u'def\r\n', u'ghi\n', u'\r'], 1)

test('translate', u"abababc", u'bbbc', {ord('a'):None})
test('translate', u"abababc", u'iiic', {ord('a'):None, ord('b'):ord('i')})
test('translate', u"abababc", u'iiix', {ord('a'):None, ord('b'):ord('i'), ord('c'):u'x'})

# Contains:
print 'Testing Unicode contains method...',
assert ('a' in u'abdb') == 1
assert ('a' in u'bdab') == 1
assert ('a' in u'bdaba') == 1
assert ('a' in u'bdba') == 1
assert ('a' in u'bdba') == 1
assert (u'a' in u'bdba') == 1
assert (u'a' in u'bdb') == 0
assert (u'a' in 'bdb') == 0
assert (u'a' in 'bdba') == 1
assert (u'a' in ('a',1,None)) == 1
assert (u'a' in (1,None,'a')) == 1
assert (u'a' in (1,None,u'a')) == 1
assert ('a' in ('a',1,None)) == 1
assert ('a' in (1,None,'a')) == 1
assert ('a' in (1,None,u'a')) == 1
assert ('a' in ('x',1,u'y')) == 0
assert ('a' in ('x',1,None)) == 0
print 'done.'

# Formatting:
print 'Testing Unicode formatting strings...',
assert u"%s, %s" % (u"abc", "abc") == u'abc, abc'
assert u"%s, %s, %i, %f, %5.2f" % (u"abc", "abc", 1, 2, 3) == u'abc, abc, 1, 2.000000,  3.00'
assert u"%s, %s, %i, %f, %5.2f" % (u"abc", "abc", 1, -2, 3) == u'abc, abc, 1, -2.000000,  3.00'
assert u"%s, %s, %i, %f, %5.2f" % (u"abc", "abc", -1, -2, 3.5) == u'abc, abc, -1, -2.000000,  3.50'
assert u"%s, %s, %i, %f, %5.2f" % (u"abc", "abc", -1, -2, 3.57) == u'abc, abc, -1, -2.000000,  3.57'
assert u"%s, %s, %i, %f, %5.2f" % (u"abc", "abc", -1, -2, 1003.57) == u'abc, abc, -1, -2.000000, 1003.57'
assert u"%c" % (u"a",) == u'a'
assert u"%c" % ("a",) == u'a'
assert u"%c" % (34,) == u'"'
assert u"%c" % (36,) == u'$'
value = u"%r, %r" % (u"abc", "abc") 
if value != u"u'abc', 'abc'":
    print '*** formatting failed for "%s"' % 'u"%r, %r" % (u"abc", "abc")'

assert u"%(x)s, %(y)s" % {'x':u"abc", 'y':"def"} == u'abc, def'
try:
    value = u"%(x)s, %(<28>)s" % {'x':u"abc", u'<EFBFBD>'.encode('utf-8'):"def"} 
except KeyError:
    print '*** formatting failed for "%s"' % "u'abc, def'"
else:
    assert value == u'abc, def'

# formatting jobs delegated from the string implementation:
assert '...%(foo)s...' % {'foo':u"abc"} == u'...abc...'
assert '...%(foo)s...' % {'foo':"abc"} == '...abc...'
assert '...%(foo)s...' % {u'foo':"abc"} == '...abc...'
assert '...%(foo)s...' % {u'foo':u"abc"} == u'...abc...'
assert '...%(foo)s...' % {u'foo':u"abc",'def':123} ==  u'...abc...'
assert '...%(foo)s...' % {u'foo':u"abc",u'def':123} == u'...abc...'
assert '...%s...%s...%s...%s...' % (1,2,3,u"abc") == u'...1...2...3...abc...'
assert '...%s...' % u"abc" == u'...abc...'
print 'done.'

# Test builtin codecs
print 'Testing builtin codecs...',

# UTF-8 specific encoding tests:
assert u'\u20ac'.encode('utf-8') == \
       ''.join((chr(0xe2), chr(0x82), chr(0xac)))
assert u'\ud800\udc02'.encode('utf-8') == \
       ''.join((chr(0xf0), chr(0x90), chr(0x80), chr(0x82)))
assert u'\ud84d\udc56'.encode('utf-8') == \
       ''.join((chr(0xf0), chr(0xa3), chr(0x91), chr(0x96)))
# UTF-8 specific decoding tests
assert unicode(''.join((chr(0xf0), chr(0xa3), chr(0x91), chr(0x96))),
               'utf-8') == u'\ud84d\udc56'
assert unicode(''.join((chr(0xf0), chr(0x90), chr(0x80), chr(0x82))),
               'utf-8') == u'\ud800\udc02'
assert unicode(''.join((chr(0xe2), chr(0x82), chr(0xac))),
               'utf-8') == u'\u20ac'

# Other possible utf-8 test cases:
# * strict decoding testing for all of the
#   UTF8_ERROR cases in PyUnicode_DecodeUTF8



assert unicode('hello','ascii') == u'hello'
assert unicode('hello','utf-8') == u'hello'
assert unicode('hello','utf8') == u'hello'
assert unicode('hello','latin-1') == u'hello'

class String:
    x = ''
    def __str__(self):
        return self.x

o = String()

o.x = 'abc'
assert unicode(o) == u'abc'
assert str(o) == 'abc'

o.x = u'abc'
assert unicode(o) == u'abc'
assert str(o) == 'abc'

try:
    u'Andr\202 x'.encode('ascii')
    u'Andr\202 x'.encode('ascii','strict')
except ValueError:
    pass
else:
    raise AssertionError, "u'Andr\202'.encode('ascii') failed to raise an exception"
assert u'Andr\202 x'.encode('ascii','ignore') == "Andr x"
assert u'Andr\202 x'.encode('ascii','replace') == "Andr? x"

try:
    unicode('Andr\202 x','ascii')
    unicode('Andr\202 x','ascii','strict')
except ValueError:
    pass
else:
    raise AssertionError, "unicode('Andr\202') failed to raise an exception"
assert unicode('Andr\202 x','ascii','ignore') == u"Andr x"
assert unicode('Andr\202 x','ascii','replace') == u'Andr\uFFFD x'

assert u'hello'.encode('ascii') == 'hello'
assert u'hello'.encode('utf-8') == 'hello'
assert u'hello'.encode('utf8') == 'hello'
assert u'hello'.encode('utf-16-le') == 'h\000e\000l\000l\000o\000'
assert u'hello'.encode('utf-16-be') == '\000h\000e\000l\000l\000o'
assert u'hello'.encode('latin-1') == 'hello'

u = u''.join(map(unichr, range(1024)))
for encoding in ('utf-8', 'utf-16', 'utf-16-le', 'utf-16-be',
                 'raw_unicode_escape', 'unicode_escape', 'unicode_internal'):
    assert unicode(u.encode(encoding),encoding) == u

u = u''.join(map(unichr, range(256)))
for encoding in (
    'latin-1',
    ):
    try:
        assert unicode(u.encode(encoding),encoding) == u
    except AssertionError:
        print '*** codec "%s" failed round-trip' % encoding
    except ValueError,why:
        print '*** codec for "%s" failed: %s' % (encoding, why)

u = u''.join(map(unichr, range(128)))
for encoding in (
    'ascii',
    ):
    try:
        assert unicode(u.encode(encoding),encoding) == u
    except AssertionError:
        print '*** codec "%s" failed round-trip' % encoding
    except ValueError,why:
        print '*** codec for "%s" failed: %s' % (encoding, why)

print 'done.'

print 'Testing standard mapping codecs...',

print '0-127...',
s = ''.join(map(chr, range(128)))
for encoding in (
    'cp037', 'cp1026',
    'cp437', 'cp500', 'cp737', 'cp775', 'cp850',
    'cp852', 'cp855', 'cp860', 'cp861', 'cp862',
    'cp863', 'cp865', 'cp866', 
    'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15',
    'iso8859_2', 'iso8859_3', 'iso8859_4', 'iso8859_5', 'iso8859_6',
    'iso8859_7', 'iso8859_9', 'koi8_r', 'latin_1',
    'mac_cyrillic', 'mac_latin2',

    'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255',
    'cp1256', 'cp1257', 'cp1258',
    'cp856', 'cp857', 'cp864', 'cp869', 'cp874',

    'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish',
    'cp1006', 'cp875', 'iso8859_8',
    
    ### These have undefined mappings:
    #'cp424',
    
    ):
    try:
        assert unicode(s,encoding).encode(encoding) == s
    except AssertionError:
        print '*** codec "%s" failed round-trip' % encoding
    except ValueError,why:
        print '*** codec for "%s" failed: %s' % (encoding, why)

print '128-255...',
s = ''.join(map(chr, range(128,256)))
for encoding in (
    'cp037', 'cp1026',
    'cp437', 'cp500', 'cp737', 'cp775', 'cp850',
    'cp852', 'cp855', 'cp860', 'cp861', 'cp862',
    'cp863', 'cp865', 'cp866', 
    'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15',
    'iso8859_2', 'iso8859_3', 'iso8859_4', 'iso8859_5', 'iso8859_6',
    'iso8859_7', 'iso8859_9', 'koi8_r', 'latin_1',
    'mac_cyrillic', 'mac_latin2',
    
    ### These have undefined mappings:
    #'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255',
    #'cp1256', 'cp1257', 'cp1258',
    #'cp424', 'cp856', 'cp857', 'cp864', 'cp869', 'cp874',
    #'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish',
    
    ### These fail the round-trip:
    #'cp1006', 'cp875', 'iso8859_8',
    
    ):
    try:
        assert unicode(s,encoding).encode(encoding) == s
    except AssertionError:
        print '*** codec "%s" failed round-trip' % encoding
    except ValueError,why:
        print '*** codec for "%s" failed: %s' % (encoding, why)

print 'done.'

print 'Testing Unicode string concatenation...',
assert (u"abc" u"def") == u"abcdef"
assert ("abc" u"def") == u"abcdef"
assert (u"abc" "def") == u"abcdef"
assert (u"abc" u"def" "ghi") == u"abcdefghi"
assert ("abc" "def" u"ghi") == u"abcdefghi"
print 'done.'