from unittest import TestCase

from pytest import deprecated_call

from w3lib.util import str_to_unicode, to_native_str, unicode_to_str


class StrToUnicodeTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            str_to_unicode('')


class ToNativeStrTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            to_native_str('')


class UnicodeToStrTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            unicode_to_str('')

from unittest import TestCase

from pytest import deprecated_call, raises

from w3lib.util import (
    str_to_unicode,
    to_bytes,
    to_native_str,
    to_unicode,
    unicode_to_str,
)


class StrToUnicodeTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            str_to_unicode('')


class ToBytesTestCase(TestCase):

    def test_type_error(self):
        with raises(TypeError):
            to_bytes(True)


class ToNativeStrTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            to_native_str('')


class ToUnicodeTestCase(TestCase):

    def test_type_error(self):
        with raises(TypeError):
            to_unicode(True)


class UnicodeToStrTestCase(TestCase):

    def test_deprecation(self):
        with deprecated_call():
            unicode_to_str('')

Test the TypeError of to_bytes() and to_unicode()