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# TODO: deprecated, remove in 0.9.0
import pytest
from snakeoil import stringio
class base:
encoding = None
kls = None
def convert_data(self, data):
if self.encoding is None:
return data
return data.encode(self.encoding)
def unconvert_data(self, data):
if self.encoding is None:
return data
return data.decode(self.encoding)
class readonly_mixin(base):
def test_nonwritable(self):
convert = self.convert_data
obj = self.kls(convert("adsf"))
with pytest.raises(TypeError):
obj.write(convert("bow ties"))
with pytest.raises(TypeError):
obj.writelines(convert("are cool"), convert(" so says the doctor"))
with pytest.raises(TypeError):
obj.truncate()
class writable_mixin(base):
def test_writable(self):
convert = self.convert_data
obj = self.kls(convert("bow ties"))
assert obj.getvalue() == convert("bow ties")
# assert we start at 0
assert obj.tell() == 0
obj.write(convert("are cool"))
assert obj.getvalue() == convert("are cool")
obj.seek(0)
obj.truncate(0)
assert obj.getvalue() == convert("")
class Test_text_readonly(readonly_mixin):
kls = stringio.text_readonly
class Test_text_writable(writable_mixin):
kls = stringio.text_writable
class Test_bytes_readonly(readonly_mixin ):
kls = stringio.bytes_readonly
encoding = 'utf8'
class Test_bytes_writable(writable_mixin ):
kls = stringio.bytes_writable
encoding = 'utf8'
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