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|
# -*- coding: utf-8 -*-
"""
tests.exceptions
~~~~~~~~~~~~~~~~
The tests for the exception classes.
TODO:
- This is undertested. HTML is never checked
:copyright: 2007 Pallets
:license: BSD-3-Clause
"""
from datetime import datetime
import pytest
from werkzeug import exceptions
from werkzeug._compat import text_type
from werkzeug.datastructures import WWWAuthenticate
from werkzeug.wrappers import Response
def test_proxy_exception():
orig_resp = Response("Hello World")
with pytest.raises(exceptions.HTTPException) as excinfo:
exceptions.abort(orig_resp)
resp = excinfo.value.get_response({})
assert resp is orig_resp
assert resp.get_data() == b"Hello World"
@pytest.mark.parametrize(
"test",
[
(exceptions.BadRequest, 400),
(exceptions.Unauthorized, 401, 'Basic "test realm"'),
(exceptions.Forbidden, 403),
(exceptions.NotFound, 404),
(exceptions.MethodNotAllowed, 405, ["GET", "HEAD"]),
(exceptions.NotAcceptable, 406),
(exceptions.RequestTimeout, 408),
(exceptions.Gone, 410),
(exceptions.LengthRequired, 411),
(exceptions.PreconditionFailed, 412),
(exceptions.RequestEntityTooLarge, 413),
(exceptions.RequestURITooLarge, 414),
(exceptions.UnsupportedMediaType, 415),
(exceptions.UnprocessableEntity, 422),
(exceptions.Locked, 423),
(exceptions.InternalServerError, 500),
(exceptions.NotImplemented, 501),
(exceptions.BadGateway, 502),
(exceptions.ServiceUnavailable, 503),
],
)
def test_aborter_general(test):
exc_type = test[0]
args = test[1:]
with pytest.raises(exc_type) as exc_info:
exceptions.abort(*args)
assert type(exc_info.value) is exc_type
def test_aborter_custom():
myabort = exceptions.Aborter({1: exceptions.NotFound})
pytest.raises(LookupError, myabort, 404)
pytest.raises(exceptions.NotFound, myabort, 1)
myabort = exceptions.Aborter(extra={1: exceptions.NotFound})
pytest.raises(exceptions.NotFound, myabort, 404)
pytest.raises(exceptions.NotFound, myabort, 1)
def test_exception_repr():
exc = exceptions.NotFound()
assert text_type(exc) == (
"404 Not Found: The requested URL was not found on the server."
" If you entered the URL manually please check your spelling"
" and try again."
)
assert repr(exc) == "<NotFound '404: Not Found'>"
exc = exceptions.NotFound("Not There")
assert text_type(exc) == "404 Not Found: Not There"
assert repr(exc) == "<NotFound '404: Not Found'>"
exc = exceptions.HTTPException("An error message")
assert text_type(exc) == "??? Unknown Error: An error message"
assert repr(exc) == "<HTTPException '???: Unknown Error'>"
def test_method_not_allowed_methods():
exc = exceptions.MethodNotAllowed(["GET", "HEAD", "POST"])
h = dict(exc.get_headers({}))
assert h["Allow"] == "GET, HEAD, POST"
assert "The method is not allowed" in exc.get_description()
def test_unauthorized_www_authenticate():
basic = WWWAuthenticate()
basic.set_basic("test")
digest = WWWAuthenticate()
digest.set_digest("test", "test")
exc = exceptions.Unauthorized(www_authenticate=basic)
h = dict(exc.get_headers({}))
assert h["WWW-Authenticate"] == str(basic)
exc = exceptions.Unauthorized(www_authenticate=[digest, basic])
h = dict(exc.get_headers({}))
assert h["WWW-Authenticate"] == ", ".join((str(digest), str(basic)))
exc = exceptions.Unauthorized()
h = dict(exc.get_headers({}))
assert "WWW-Authenticate" not in h
def test_response_header_content_type_should_contain_charset():
exc = exceptions.HTTPException("An error message")
h = exc.get_response({})
assert h.headers["Content-Type"] == "text/html; charset=utf-8"
@pytest.mark.parametrize(
("cls", "value", "expect"),
[
(exceptions.TooManyRequests, 20, "20"),
(
exceptions.ServiceUnavailable,
datetime(2020, 1, 4, 18, 52, 16),
"Sat, 04 Jan 2020 18:52:16 GMT",
),
],
)
def test_retry_after_mixin(cls, value, expect):
e = cls(retry_after=value)
h = dict(e.get_headers({}))
assert h["Retry-After"] == expect
|
