SylvainDe / DidYouMean-Python

        self.runs(good_code)

    def test_assignment_to_range(self):

        """Trying to assign to range works on list, not on range."""

        code = '{0}[2] = 1'

        typo, sugg = 'range(4)', 'list(range(4))'

        version = (3, 0)

        bad_code, good_code = format_str(code, typo, sugg)

        self.runs(good_code)

        self.runs(bad_code, up_to_version(version))

        self.throws(

            bad_code,

            OBJECTDOESNOTSUPPORT,

            'convert to list to edit the list',

            from_version(version))

    def test_assignment_to_string(self):

        """Trying to assign to string does not work."""

        code = "s = 'abc'\ns[1] = 'd'"

        good_code = "s = 'abc'\nl = list(s)\nl[1] = 'd'\ns = ''.join(l)"

        self.runs(good_code)

        self.throws(

            code,

            OBJECTDOESNOTSUPPORT,

            'convert to list to edit the list and use "join()" on the list')

    def test_deletion_from_string(self):

        """Delete from string does not work."""

        code = "s = 'abc'\ndel s[1]"

        good_code = "s = 'abc'\nl = list(s)\ndel l[1]\ns = ''.join(l)"

        self.runs(good_code)

        self.throws(

            code,

    def test_moved_between_imp_importlib(self):

        """Some methods have been moved from imp to importlib."""

        # NICE_TO_HAVE

        # reload removed from Python 3

        # importlib module new in Python 2.7

        # importlib.reload new in Python 3.4

        # imp.reload new in Python 3.2

        version27 = (2, 7)

        version3 = (3, 0)

        version26 = up_to_version(version27)

        code = '{0}reload(math)'

        null, code_imp, code_importlib = format_str(

            code, '', 'import imp\nimp.', 'import importlib\nimportlib.')

        self.runs(null, up_to_version(version3))

        self.throws(null, NAMEERROR,

                    RELOAD_REMOVED_MSG, from_version(version3))

        self.runs(code_imp)

        self.throws(code_importlib, NOMODULE, [], version26)

        self.throws(code_importlib, ATTRIBUTEERROR,

                    "'reload(module)'", (version27, version3))