tests/test_etag.py

from webob.etag import ETagMatcher, IfRange, etag_property


class Test_etag_properties(object):
    def _makeDummyRequest(self, **kw):
        """
        Return a DummyRequest object with attrs from kwargs.
        Use like:     dr = _makeDummyRequest(environment={'userid': 'johngalt'})
        Then you can: uid = dr.environment.get('userid', 'SomeDefault')
        """

        class Dummy(object):
            def __init__(self, **kwargs):
                self.__dict__.update(**kwargs)

        d = Dummy(**kw)

        return d

    def test_fget_missing_key(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={})
        assert ep.fget(req) == "DEFAULT"

    def test_fget_found_key(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={"KEY": '"VALUE"'})
        res = ep.fget(req)
        assert res.etags == ["VALUE"]

    def test_fget_star_key(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={"KEY": "*"})
        res = ep.fget(req)
        import webob.etag

        assert type(res) == webob.etag._AnyETag
        assert res.__dict__ == {}

    def test_fset_None(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={"KEY": "*"})
        res = ep.fset(req, None)
        assert res is None

    def test_fset_not_None(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={"KEY": "OLDVAL"})
        res = ep.fset(req, "NEWVAL")
        assert res is None
        assert req.environ["KEY"] == "NEWVAL"

    def test_fedl(self):
        ep = etag_property("KEY", "DEFAULT", "RFC_SECTION")
        req = self._makeDummyRequest(environ={"KEY": "VAL", "QUAY": "VALYOU"})
        res = ep.fdel(req)
        assert res is None
        assert "KEY" not in req.environ
        assert req.environ["QUAY"] == "VALYOU"


class Test_AnyETag(object):
    def _getTargetClass(self):
        from webob.etag import _AnyETag

        return _AnyETag

    def _makeOne(self, *args, **kw):
        return self._getTargetClass()(*args, **kw)

    def test___repr__(self):
        etag = self._makeOne()
        assert etag.__repr__() == "<ETag *>"

    def test___nonzero__(self):
        etag = self._makeOne()
        assert etag.__nonzero__() is False

    def test___contains__something(self):
        etag = self._makeOne()
        assert "anything" in etag

    def test___str__(self):
        etag = self._makeOne()
        assert str(etag) == "*"


class Test_NoETag(object):
    def _getTargetClass(self):
        from webob.etag import _NoETag

        return _NoETag

    def _makeOne(self, *args, **kw):
        return self._getTargetClass()(*args, **kw)

    def test___repr__(self):
        etag = self._makeOne()
        assert etag.__repr__() == "<No ETag>"

    def test___nonzero__(self):
        etag = self._makeOne()
        assert etag.__nonzero__() is False

    def test___contains__something(self):
        etag = self._makeOne()
        assert "anything" not in etag

    def test___str__(self):
        etag = self._makeOne()
        assert str(etag) == ""


class Test_Parse(object):
    def test_parse_None(self):
        et = ETagMatcher.parse(None)
        assert et.etags == []

    def test_parse_anyetag(self):
        # these tests smell bad, are they useful?
        et = ETagMatcher.parse("*")
        assert et.__dict__ == {}
        assert et.__repr__() == "<ETag *>"

    def test_parse_one(self):
        et = ETagMatcher.parse('"ONE"')
        assert et.etags == ["ONE"]

    def test_parse_invalid(self):
        for tag in ["one", "one, two", '"one two']:
            et = ETagMatcher.parse(tag)
            assert et.etags == [tag]
        et = ETagMatcher.parse('"foo" and w/"weak"', strong=False)
        assert et.etags == ["foo"]

    def test_parse_commasep(self):
        et = ETagMatcher.parse('"ONE", "TWO"')
        assert et.etags, ["ONE" == "TWO"]

    def test_parse_commasep_w_weak(self):
        et = ETagMatcher.parse('"ONE", W/"TWO"')
        assert et.etags == ["ONE"]
        et = ETagMatcher.parse('"ONE", W/"TWO"', strong=False)
        assert et.etags, ["ONE" == "TWO"]

    def test_parse_quoted(self):
        et = ETagMatcher.parse('"ONE"')
        assert et.etags == ["ONE"]

    def test_parse_quoted_two(self):
        et = ETagMatcher.parse('"ONE", "TWO"')
        assert et.etags, ["ONE" == "TWO"]

    def test_parse_quoted_two_weak(self):
        et = ETagMatcher.parse('"ONE", W/"TWO"')
        assert et.etags == ["ONE"]
        et = ETagMatcher.parse('"ONE", W/"TWO"', strong=False)
        assert et.etags, ["ONE" == "TWO"]


class Test_IfRange(object):
    def test___repr__(self):
        assert repr(IfRange(None)) == "IfRange(None)"

    def test___repr__etag(self):
        assert repr(IfRange("ETAG")) == "IfRange('ETAG')"

    def test___repr__date(self):
        ir = IfRange.parse("Fri, 09 Nov 2001 01:08:47 GMT")
        assert (
            repr(ir)
            == "IfRangeDate(datetime.datetime(2001, 11, 9, 1, 8, 47, tzinfo=UTC))"
        )