def sub_router__escaped_path(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", self._create_path_checker("/s%75b"))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/b%61r/s%75b")
self.start_response.assert_status(HTTPStatus.OK)
def sub_router__path_component(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", handle_success)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/barsub")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
def sub_router__base_without_slash(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("", "GET", self._create_path_checker(""))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
def sub_router__no_match(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", fail_if_called)])
self.router.add_sub_router("foo", sub)
self.handle_wsgi("GET", "/wrong/sub")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
def sub_router__match_after_other_routes(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", fail_if_called)])
self.router.add_routes([("foo/bar/sub", "GET", handle_success)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/sub")
self.start_response.assert_status(HTTPStatus.OK)
def sub_router__template_in_sub_router(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal(["xyzxyz"], environ["rouver.path_args"])
start_response("200 OK", [])
return []
def tmpl(_: Request, path: Sequence[str], v: str) -> str:
assert_equal((), path)
return v * 2
sub = Router()
sub.error_handling = False
sub.add_template_handler("tmpl", tmpl)
sub.add_routes([("{tmpl}", "GET", handle)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/xyz")
self.start_response.assert_status(HTTPStatus.OK)
def setup_router(self) -> None:
self.router = Router()
self.router.error_handling = False
self.start_response = StubStartResponse()
self.environment = default_environment()
self.disable_logger()
class RouterTest(TestCase):
@before
def setup_router(self) -> None:
self.router = Router()
self.router.error_handling = False
self.start_response = StubStartResponse()
self.environment = default_environment()
self.disable_logger()
def disable_logger(self) -> None:
logging.getLogger(LOGGER_NAME).disabled = True
def _create_path_checker(self, expected_path: str) -> WSGIApplication:
def handle(environ: WSGIEnvironment,
sr: StartResponse) -> Sequence[bytes]:
assert_equal(expected_path, environ["PATH_INFO"])
sr("200 OK", [])
return []
return handle
def handle_wsgi(self,
method: str = "GET",
path: str = "/") -> Iterable[bytes]:
self.environment["REQUEST_METHOD"] = method
self.environment["PATH_INFO"] = path
return self.router(self.environment, self.start_response)
@test
def not_found_response_page(self) -> None:
response = self.handle_wsgi("GET", "/foo/bar")
html = b"".join(response).decode("utf-8")
assert_equal(
"""<!DOCTYPE html>
<html>
<head>
<title>404 — Not Found</title>
</head>
<body>
<h1>404 — Not Found</h1>
<p>Path '/foo/bar' not found.</p>
</body>
</html>
""",
html,
)
@test
def not_found_escape_path(self) -> None:
response = self.handle_wsgi("GET", "/foo/<bar")
html = b"".join(response).decode("utf-8")
assert_in("<p>Path '/foo/<bar' not found.</p>", html)
@test
def no_routes(self) -> None:
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
self.start_response.assert_header_equals("Content-Type",
"text/html; charset=utf-8")
@test
def handler_request(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal("test.example.com", environ["SERVER_NAME"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("", "GET", handle)])
self.environment["SERVER_NAME"] = "test.example.com"
self.handle_wsgi("GET", "")
self.start_response.assert_status(HTTPStatus.OK)
@test
def empty_route(self) -> None:
self.router.add_routes([("", "GET", handle_empty_path)])
self.handle_wsgi("GET", "")
self.start_response.assert_status(HTTPStatus.OK)
@test
def root_route(self) -> None:
self.router.add_routes([("", "GET", handle_empty_path)])
self.handle_wsgi("GET", "/")
self.start_response.assert_status(HTTPStatus.OK)
@test
def first_level(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal("", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return []
self.router.add_routes([("foo", "GET", handle)])
self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.OK)
@test
def first_level__trailing_slash(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal("/", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return []
self.router.add_routes([("foo", "GET", handle)])
self.handle_wsgi("GET", "/foo/")
self.start_response.assert_status(HTTPStatus.OK)
@test
def first_level_wrong_path(self) -> None:
self.router.add_routes([("foo", "GET", handle_empty_path)])
self.handle_wsgi("GET", "/bar")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def level_mismatch_1(self) -> None:
self.router.add_routes([("foo/bar", "GET", handle_empty_path)])
self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def level_mismatch_2(self) -> None:
self.router.add_routes([("foo", "GET", handle_empty_path)])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def decode_path(self) -> None:
self.router.add_routes([("foo/bär", "GET", handle_success)])
self.handle_wsgi("GET", "/foo/b%c3%a4r")
self.start_response.assert_status(HTTPStatus.OK)
@test
def invalid_path_encoding(self) -> None:
self.router.add_routes([("foo/bar", "GET", handle_success)])
self.handle_wsgi("GET", "/foo/b%c3r")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
# Method Handling
@test
def wrong_method_response_page(self) -> None:
self.router.add_routes([("foo", "GET", fail_if_called),
("foo", "PUT", fail_if_called)])
response = self.handle_wsgi("POST", "/foo")
html = b"".join(response).decode("utf-8")
assert_equal(
"""<!DOCTYPE html>
<html>
<head>
<title>405 — Method Not Allowed</title>
</head>
<body>
<h1>405 — Method Not Allowed</h1>
<p>Method 'POST' not allowed. Please try GET or PUT.</p>
</body>
</html>
""",
html,
)
@test
def wrong_method_escape_method(self) -> None:
self.router.add_routes([("foo", "GET", fail_if_called)])
response = self.handle_wsgi("G<T", "/foo")
html = b"".join(response).decode("utf-8")
assert_in(
"<p>Method 'G<T' not allowed. Please try GET.</p>",
html,
)
@test
def wrong_method(self) -> None:
self.router.add_routes([("foo", "GET", fail_if_called),
("foo", "PUT", fail_if_called)])
self.handle_wsgi("POST", "/foo")
self.start_response.assert_status(HTTPStatus.METHOD_NOT_ALLOWED)
self.start_response.assert_header_equals("Allow", "GET, PUT")
@test
def wrong_method__multiple_matches(self) -> None:
self.router.add_routes([("foo", "GET", fail_if_called),
("foo", "GET", fail_if_called)])
self.handle_wsgi("POST", "/foo")
self.start_response.assert_status(HTTPStatus.METHOD_NOT_ALLOWED)
self.start_response.assert_header_equals("Allow", "GET")
@test
def call_right_method(self) -> None:
self.router.add_routes([
("foo", "GET", fail_if_called),
("foo", "POST", handle_success),
("foo", "PUT", fail_if_called),
])
self.handle_wsgi("POST", "/foo")
self.start_response.assert_status(HTTPStatus.OK)
# Path Templates
@test
def unknown_template(self) -> None:
with assert_raises(KeyError):
self.router.add_routes([("foo/{unknown}/bar", "GET",
fail_if_called)])
@test
def no_template(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal([], environ["rouver.path_args"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("foo/bar", "GET", handle)])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def template(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal(["xyzxyz"], environ["rouver.path_args"])
start_response("200 OK", [])
return [b""]
def handle_path(request: Request, paths: Sequence[Any],
path: str) -> str:
assert_is_instance(request, Request)
assert_equal((), paths)
return path * 2
self.router.add_template_handler("handler", handle_path)
self.router.add_routes([("foo/{handler}/bar", "GET", handle)])
self.handle_wsgi("GET", "/foo/xyz/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def multiple_templates(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal(["xyz", 123], environ["rouver.path_args"])
start_response("200 OK", [])
return [b""]
def handle_path(_: Request, paths: Sequence[Any], __: str) -> int:
assert_equal(("xyz", ), paths)
return 123
self.router.add_template_handler("handler1", lambda _, __, ___: "xyz")
self.router.add_template_handler("handler2", handle_path)
self.router.add_routes([("foo/{handler1}/bar/{handler2}", "GET",
handle)])
self.handle_wsgi("GET", "/foo/xyz/bar/abc")
self.start_response.assert_status(HTTPStatus.OK)
@test
def template_handler_is_passed_decoded_value(self) -> None:
def handle_path(_: Request, __: Any, v: str) -> None:
assert_equal("foo/bar", v)
self.router.add_template_handler("handler", handle_path)
self.router.add_routes([("foo/{handler}", "GET", handle_success)])
self.handle_wsgi("GET", "/foo/foo%2Fbar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def template_handler_is_not_passed_an_invalid_value(self) -> None:
def handle_path(_: Request, __: Any, v: str) -> None:
fail("template handler should not have been called")
self.router.add_template_handler("handler", handle_path)
self.router.add_routes([("foo/{handler}", "GET", handle_success)])
self.handle_wsgi("GET", "/foo/foo%C3bar")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def template_value_error(self) -> None:
def raise_value_error(_: Request, __: Sequence[str], ___: str) -> None:
raise ValueError()
self.router.add_template_handler("handler", raise_value_error)
self.router.add_routes([("foo/{handler}/bar", "GET", fail_if_called)])
self.handle_wsgi("GET", "/foo/xyz/bar")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def template_multiple_matches(self) -> None:
def raise_value_error(_: Request, __: Sequence[str], ___: str) -> None:
raise ValueError()
self.router.add_template_handler("handler1", raise_value_error)
self.router.add_template_handler("handler2", lambda _, __, ___: None)
self.router.add_routes([
("foo/{handler1}/bar", "GET", fail_if_called),
("foo/{handler2}/bar", "GET", handle_success),
])
self.handle_wsgi("GET", "/foo/xyz/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def template_multiple_matches__match_first(self) -> None:
self.router.add_template_handler("handler1", lambda _, __, ___: None)
self.router.add_template_handler("handler2", lambda _, __, ___: None)
self.router.add_routes([
("foo/{handler1}/bar", "GET", handle_success),
("foo/{handler2}/bar", "GET", fail_if_called),
])
self.handle_wsgi("GET", "/foo/xyz/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def template_call_once_per_value(self) -> None:
calls = 0
def increase_count(_: Request, __: Sequence[str], ___: str) -> None:
nonlocal calls
calls += 1
self.router.add_template_handler("handler", increase_count)
self.router.add_routes([
("foo/{handler}/bar", "GET", fail_if_called),
("foo/{handler}/baz", "GET", handle_success),
])
self.handle_wsgi("GET", "/foo/xyz/baz")
assert_equal(1, calls)
@test
def template_call_twice_for_differing_values(self) -> None:
calls = 0
def increase_count(_: Request, __: Sequence[str], ___: str) -> None:
nonlocal calls
calls += 1
self.router.add_template_handler("handler", increase_count)
self.router.add_routes([
("foo/{handler}/bar", "GET", fail_if_called),
("foo/xyz/{handler}", "GET", handle_success),
])
self.handle_wsgi("GET", "/foo/xyz/baz")
assert_equal(2, calls)
# Wildcard Paths
@test
def no_wildcard_path(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal("", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("foo/bar", "GET", handle)])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard_path__no_trailing_slash(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal([], environ["rouver.path_args"])
assert_equal("", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("foo/bar/*", "GET", handle)])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard_path__with_trailing_slash(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal([], environ["rouver.path_args"])
assert_equal("/", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("foo/bar/*", "GET", handle)])
self.handle_wsgi("GET", "/foo/bar/")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard_path__additional_path(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal([], environ["rouver.path_args"])
assert_equal("/abc/def", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return [b""]
self.router.add_routes([("foo/bar/*", "GET", handle)])
self.handle_wsgi("GET", "/foo/bar/abc/def")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard_path__with_template(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal(["value"], environ["rouver.path_args"])
assert_equal("/abc/def", environ["rouver.wildcard_path"])
start_response("200 OK", [])
return [b""]
self.router.add_template_handler("bar", lambda *args: "value")
self.router.add_routes([("foo/{bar}/*", "GET", handle)])
self.handle_wsgi("GET", "/foo/unknown/abc/def")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard_path__too_short(self) -> None:
self.router.add_routes([("foo/bar/*", "GET", handle_success)])
self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def wildcard_path__does_not_match(self) -> None:
self.router.add_routes([("foo/bar/*", "GET", handle_success)])
self.handle_wsgi("GET", "/foo/wrong")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def wildcard_path__not_at_end(self) -> None:
with assert_raises(ValueError):
self.router.add_routes([("foo/*/bar", "GET", handle_success)])
@test
def wildcard__before_more_specific(self) -> None:
self.router.add_routes([
("foo/*", "GET", handle_success),
("foo/bar", "GET", fail_if_called),
])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def wildcard__after_more_specific(self) -> None:
self.router.add_routes([
("foo/bar", "GET", handle_success),
("foo/*", "GET", fail_if_called),
])
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
# Sub routers
@test
def sub_router(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", self._create_path_checker("/sub"))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/sub")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__no_match(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", fail_if_called)])
self.router.add_sub_router("foo", sub)
self.handle_wsgi("GET", "/wrong/sub")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def sub_router__base_with_slash(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("", "GET", self._create_path_checker("/"))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__base_without_slash(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("", "GET", self._create_path_checker(""))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__path_info(self) -> None:
def app(env: WSGIEnvironment, sr: StartResponse) -> Iterable[bytes]:
assert_equal("/foo", env["PATH_INFO"])
assert_equal("/sub/foo", env["rouver.original_path_info"])
sr("200 OK", [])
return []
self.router.error_handling = False
self.router.add_sub_router("sub", app)
self.handle_wsgi("GET", "/sub/foo")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__path_info_encoding(self) -> None:
expected_path = "/föo".encode("utf-8").decode("latin-1")
def app(env: WSGIEnvironment, sr: StartResponse) -> Iterable[bytes]:
assert_equal(expected_path, env["PATH_INFO"])
sr("200 OK", [])
return []
self.router.error_handling = False
self.router.add_sub_router("sub", app)
self.handle_wsgi("GET", "/sub/föo".encode("utf-8").decode("latin-1"))
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__template_in_super_router(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal([], environ["rouver.path_args"])
start_response("200 OK", [])
return []
def tmpl(_: Request, path: Sequence[str], v: str) -> str:
assert_equal((), path)
return v * 2
sub = Router()
sub.error_handling = False
sub.add_template_handler("tmpl", tmpl)
sub.add_routes([("sub", "GET", handle)])
self.router.add_template_handler("tmpl", tmpl)
self.router.add_sub_router("foo/{tmpl}", sub)
self.handle_wsgi("GET", "/foo/bar/sub")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__template_in_sub_router(self) -> None:
def handle(environ: WSGIEnvironment,
start_response: StartResponse) -> Iterable[bytes]:
assert_equal(["xyzxyz"], environ["rouver.path_args"])
start_response("200 OK", [])
return []
def tmpl(_: Request, path: Sequence[str], v: str) -> str:
assert_equal((), path)
return v * 2
sub = Router()
sub.error_handling = False
sub.add_template_handler("tmpl", tmpl)
sub.add_routes([("{tmpl}", "GET", handle)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/xyz")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__path_component(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", handle_success)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/barsub")
self.start_response.assert_status(HTTPStatus.NOT_FOUND)
@test
def sub_router__match_after_other_routes(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", fail_if_called)])
self.router.add_routes([("foo/bar/sub", "GET", handle_success)])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/sub")
self.start_response.assert_status(HTTPStatus.OK)
@test
def sub_router__accepts_any_wsgi_app(self) -> None:
def sub(environ: WSGIEnvironment, sr: StartResponse) -> WSGIResponse:
assert_equal("/sub", environ["PATH_INFO"])
sr("204 No Content", [])
return []
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/bar/sub")
self.start_response.assert_status(HTTPStatus.NO_CONTENT)
@test
def sub_router__escaped_path(self) -> None:
sub = Router()
sub.error_handling = False
sub.add_routes([("sub", "GET", self._create_path_checker("/s%75b"))])
self.router.add_sub_router("foo/bar", sub)
self.handle_wsgi("GET", "/foo/b%61r/s%75b")
self.start_response.assert_status(HTTPStatus.OK)
# Error Handling
@test
def internal_error_page(self) -> None:
def handle(_: WSGIEnvironment, __: StartResponse) -> Iterable[bytes]:
raise KeyError("Custom < error")
self.router.error_handling = True
self.router.add_routes([("foo", "GET", handle)])
response = self.handle_wsgi("GET", "/foo")
html = b"".join(response).decode("utf-8")
assert_equal(
"""<!DOCTYPE html>
<html>
<head>
<title>500 — Internal Server Error</title>
</head>
<body>
<h1>500 — Internal Server Error</h1>
<p>Internal server error.</p>
</body>
</html>
""",
html,
)
@test
def template_key_error_with_error_handling(self) -> None:
def raise_key_error(_: Request, __: Sequence[str], ___: str) -> None:
raise KeyError()
self.router.add_template_handler("handler", raise_key_error)
self.router.add_routes([("foo/{handler}/bar", "GET", fail_if_called)])
self.router.error_handling = True
self.handle_wsgi("GET", "/foo/xyz/bar")
self.start_response.assert_status(HTTPStatus.INTERNAL_SERVER_ERROR)
@test
def template_key_error_without_error_handling(self) -> None:
def raise_key_error(_: Request, __: Sequence[str], ___: str) -> None:
raise KeyError()
self.router.add_template_handler("handler", raise_key_error)
self.router.add_routes([("foo/{handler}/bar", "GET", fail_if_called)])
self.router.error_handling = False
with assert_raises(KeyError):
self.handle_wsgi("GET", "/foo/xyz/bar")
@test
def handler_key_error_with_error_handling(self) -> None:
def handle(_: WSGIEnvironment, __: StartResponse) -> Iterable[bytes]:
raise KeyError()
self.router.error_handling = True
self.router.add_routes([("foo", "GET", handle)])
self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.INTERNAL_SERVER_ERROR)
@test
def handler_key_error_without_error_handling(self) -> None:
def handle(_: WSGIEnvironment, __: StartResponse) -> Iterable[bytes]:
raise KeyError()
self.router.add_routes([("foo", "GET", handle)])
self.router.error_handling = False
with assert_raises(KeyError):
self.handle_wsgi("GET", "/foo")
@test
def http_error(self) -> None:
def handle(_: WSGIEnvironment, __: StartResponse) -> Iterable[bytes]:
raise Unauthorized("Foo < Bar",
www_authenticate=WWWAuthenticate("Test"))
self.router.error_handling = False
self.router.add_routes([("foo", "GET", handle)])
response = self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.UNAUTHORIZED)
self.start_response.assert_header_equals("Content-Type",
"text/html; charset=utf-8")
self.start_response.assert_header_equals("WWW-Authenticate", "Test ")
html = b"".join(response).decode("utf-8")
assert_equal(
"""<!DOCTYPE html>
<html>
<head>
<title>401 — Unauthorized</title>
</head>
<body>
<h1>401 — Unauthorized</h1>
<p>Foo < Bar</p>
</body>
</html>
""",
html,
)
@test
def arguments_error(self) -> None:
def handle(_: WSGIEnvironment, __: StartResponse) -> Iterable[bytes]:
raise ArgumentsError({"foo": "bar"})
self.router.add_routes([("foo", "GET", handle)])
response = self.handle_wsgi("GET", "/foo")
self.start_response.assert_status(HTTPStatus.BAD_REQUEST)
html = b"".join(response).decode("utf-8")
assert html.startswith("<!DOCTYPE html>")
assert_regex(
html,
r'<li class="argument">\s*'
r'<span class="argument-name">foo</span>:\s*'
r'<span class="error-message">bar</span>\s*'
r"</li>",
)