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# coding=utf-8
import pytest
import six
import library.python.strings
class Convertible(object):
text = u'текст'
text_utf8 = text.encode('utf-8')
def __unicode__(self):
return self.text
def __str__(self):
return self.text_utf8
class ConvertibleToUnicodeOnly(Convertible):
def __str__(self):
return self.text.encode('ascii')
class ConvertibleToStrOnly(Convertible):
def __unicode__(self):
return self.text_utf8.decode('ascii')
class NonConvertible(ConvertibleToUnicodeOnly, ConvertibleToStrOnly):
pass
def test_to_basestring():
assert library.python.strings.to_basestring('str') == 'str'
assert library.python.strings.to_basestring(u'юникод') == u'юникод'
if six.PY2: # __str__ should return str not bytes in Python3
assert library.python.strings.to_basestring(Convertible()) == Convertible.text
assert library.python.strings.to_basestring(ConvertibleToUnicodeOnly()) == Convertible.text
assert library.python.strings.to_basestring(ConvertibleToStrOnly()) == Convertible.text_utf8
assert library.python.strings.to_basestring(NonConvertible())
def test_to_unicode():
assert library.python.strings.to_unicode(u'юникод') == u'юникод'
assert library.python.strings.to_unicode('str') == u'str'
assert library.python.strings.to_unicode(u'строка'.encode('utf-8')) == u'строка'
assert library.python.strings.to_unicode(u'строка'.encode('cp1251'), 'cp1251') == u'строка'
if six.PY2: # __str__ should return str not bytes in Python3
assert library.python.strings.to_unicode(Convertible()) == Convertible.text
assert library.python.strings.to_unicode(ConvertibleToUnicodeOnly()) == Convertible.text
with pytest.raises(UnicodeDecodeError):
library.python.strings.to_unicode(ConvertibleToStrOnly())
with pytest.raises(UnicodeDecodeError):
library.python.strings.to_unicode(NonConvertible())
def test_to_unicode_errors_replace():
assert library.python.strings.to_unicode(u'abcабв'.encode('utf-8'), 'ascii')
assert library.python.strings.to_unicode(u'абв'.encode('utf-8'), 'ascii')
def test_to_str():
assert library.python.strings.to_str('str') == 'str' if six.PY2 else b'str'
assert library.python.strings.to_str(u'unicode') == 'unicode' if six.PY2 else b'unicode'
assert library.python.strings.to_str(u'юникод') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод', 'cp1251') == u'юникод'.encode('cp1251')
if six.PY2:
assert library.python.strings.to_str(Convertible()) == Convertible.text_utf8
with pytest.raises(UnicodeEncodeError):
library.python.strings.to_str(ConvertibleToUnicodeOnly())
assert library.python.strings.to_str(ConvertibleToStrOnly()) == Convertible.text_utf8
with pytest.raises(UnicodeEncodeError):
library.python.strings.to_str(NonConvertible())
def test_to_str_errors_replace():
assert library.python.strings.to_str(u'abcабв', 'ascii')
assert library.python.strings.to_str(u'абв', 'ascii')
def test_to_str_transcode():
assert library.python.strings.to_str('str', from_enc='ascii') == 'str' if six.PY2 else b'str'
assert library.python.strings.to_str('str', from_enc='utf-8') == 'str' if six.PY2 else b'str'
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), from_enc='utf-8') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), to_enc='utf-8', from_enc='utf-8') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), to_enc='cp1251', from_enc='utf-8') == u'юникод'.encode('cp1251')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), from_enc='cp1251') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), to_enc='cp1251', from_enc='cp1251') == u'юникод'.encode('cp1251')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), to_enc='utf-8', from_enc='cp1251') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('koi8-r'), from_enc='koi8-r') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('koi8-r'), to_enc='koi8-r', from_enc='koi8-r') == u'юникод'.encode('koi8-r')
assert library.python.strings.to_str(u'юникод'.encode('koi8-r'), to_enc='cp1251', from_enc='koi8-r') == u'юникод'.encode('cp1251')
def test_to_str_transcode_wrong():
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), from_enc='cp1251')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), from_enc='utf-8')
def test_to_str_transcode_disabled():
# No transcoding enabled, set from_enc to enable
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), to_enc='utf-8') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('utf-8'), to_enc='cp1251') == u'юникод'.encode('utf-8')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), to_enc='utf-8') == u'юникод'.encode('cp1251')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), to_enc='cp1251') == u'юникод'.encode('cp1251')
assert library.python.strings.to_str(u'юникод'.encode('cp1251'), to_enc='koi8-r') == u'юникод'.encode('cp1251')
assert library.python.strings.to_str(u'юникод'.encode('koi8-r'), to_enc='cp1251') == u'юникод'.encode('koi8-r')
def test_stringize_deep():
assert library.python.strings.stringize_deep({
'key 1': 'value 1',
u'ключ 2': u'значение 2',
'list': [u'ключ 2', 'key 1', (u'к', 2)]
}) == {
'key 1' if six.PY2 else b'key 1': 'value 1' if six.PY2 else b'value 1',
u'ключ 2'.encode('utf-8'): u'значение 2'.encode('utf-8'),
'list' if six.PY2 else b'list': [u'ключ 2'.encode('utf-8'), 'key 1' if six.PY2 else b'key 1', (u'к'.encode('utf-8'), 2)]
}
def test_stringize_deep_doesnt_transcode():
assert library.python.strings.stringize_deep({
u'ключ 1'.encode('utf-8'): u'значение 1'.encode('utf-8'),
u'ключ 2'.encode('cp1251'): u'значение 2'.encode('cp1251'),
}) == {
u'ключ 1'.encode('utf-8'): u'значение 1'.encode('utf-8'),
u'ключ 2'.encode('cp1251'): u'значение 2'.encode('cp1251'),
}
def test_stringize_deep_nested():
assert library.python.strings.stringize_deep({
'key 1': 'value 1',
u'ключ 2': {
'subkey 1': 'value 1',
u'подключ 2': u'value 2',
},
}) == {
'key 1' if six.PY2 else b'key 1': 'value 1' if six.PY2 else b'value 1',
u'ключ 2'.encode('utf-8'): {
'subkey 1' if six.PY2 else b'subkey 1': 'value 1' if six.PY2 else b'value 1',
u'подключ 2'.encode('utf-8'): u'value 2'.encode('utf-8'),
},
}
def test_stringize_deep_plain():
assert library.python.strings.stringize_deep('str') == 'str' if six.PY2 else b'str'
assert library.python.strings.stringize_deep(u'юникод') == u'юникод'.encode('utf-8')
assert library.python.strings.stringize_deep(u'юникод'.encode('utf-8')) == u'юникод'.encode('utf-8')
def test_stringize_deep_nonstr():
with pytest.raises(TypeError):
library.python.strings.stringize_deep(Convertible(), relaxed=False)
x = Convertible()
assert x == library.python.strings.stringize_deep(x)
def test_unicodize_deep():
assert library.python.strings.unicodize_deep({
'key 1': 'value 1',
u'ключ 2': u'значение 2',
u'ключ 3'.encode('utf-8'): u'значение 3'.encode('utf-8'),
}) == {
u'key 1': u'value 1',
u'ключ 2': u'значение 2',
u'ключ 3': u'значение 3',
}
def test_unicodize_deep_nested():
assert library.python.strings.unicodize_deep({
'key 1': 'value 1',
u'ключ 2': {
'subkey 1': 'value 1',
u'подключ 2': u'значение 2',
u'подключ 3'.encode('utf-8'): u'значение 3'.encode('utf-8'),
},
}) == {
u'key 1': u'value 1',
u'ключ 2': {
u'subkey 1': u'value 1',
u'подключ 2': u'значение 2',
u'подключ 3': u'значение 3',
},
}
def test_unicodize_deep_plain():
assert library.python.strings.unicodize_deep('str') == u'str'
assert library.python.strings.unicodize_deep(u'юникод') == u'юникод'
assert library.python.strings.unicodize_deep(u'юникод'.encode('utf-8')) == u'юникод'
def test_unicodize_deep_nonstr():
with pytest.raises(TypeError):
library.python.strings.unicodize_deep(Convertible(), relaxed=False)
x = Convertible()
assert x == library.python.strings.stringize_deep(x)
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