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|
from datetime import datetime
import pytest
from markupsafe import escape
from markupsafe import Markup
from werkzeug import exceptions
from werkzeug.datastructures import Headers
from werkzeug.datastructures import WWWAuthenticate
from werkzeug.exceptions import HTTPException
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_abort_description_markup():
with pytest.raises(HTTPException) as exc_info:
exceptions.abort(400, Markup("<b><</b>"))
assert "<b><</b>" in str(exc_info.value)
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 str(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 str(exc) == "404 Not Found: Not There"
assert repr(exc) == "<NotFound '404: Not Found'>"
exc = exceptions.HTTPException("An error message")
assert str(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 = Headers(exc.get_headers({}))
assert h["WWW-Authenticate"] == str(basic)
exc = exceptions.Unauthorized(www_authenticate=[digest, basic])
h = Headers(exc.get_headers({}))
assert h.get_all("WWW-Authenticate") == [str(digest), str(basic)]
exc = exceptions.Unauthorized()
h = Headers(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
@pytest.mark.parametrize(
"cls",
sorted(
(e for e in HTTPException.__subclasses__() if e.code and e.code >= 400),
key=lambda e: e.code, # type: ignore
),
)
def test_passing_response(cls):
class TestResponse(Response):
pass
exc = cls(response=TestResponse())
rp = exc.get_response({})
assert isinstance(rp, TestResponse)
def test_description_none():
HTTPException().get_response()
@pytest.mark.parametrize(
"cls",
sorted(
(e for e in HTTPException.__subclasses__() if e.code),
key=lambda e: e.code, # type: ignore
),
)
def test_response_body(cls):
exc = cls()
response_body = exc.get_body()
assert response_body.startswith("<!doctype html>\n<html lang=en>\n")
assert f"{exc.code} {escape(exc.name)}" in response_body
assert exc.get_description() in response_body
|
