async def test_from_header_binding(expected_type, header_value, expected_value):
request = Request('GET', b'/', [(b'X-Foo', header_value)])
parameter = FromHeader(expected_type, 'X-Foo')
value = await parameter.get_value(request)
assert isinstance(value, expected_type)
assert value == expected_value
async def test_from_header_binding_iterables(declared_type, expected_type,
header_values, expected_values):
request = Request('GET', b'/',
[(b'X-Foo', value) for value in header_values])
parameter = FromHeader(declared_type, 'X-Foo')
value = await parameter.get_value(request)
assert isinstance(value, expected_type)
assert value == expected_values
async def test_nested_iterables_raise_missing_converter_from_header(
declared_type):
with raises(MissingConverterError):
FromHeader(declared_type)
def home(request, xx: FromHeader(str)):
assert xx == 'Hello World'
async def middleware(request, handler, example: FromHeader(str)):
assert request is fake_request
assert handler is fake_handler
assert example == 'Lorem'
return await handler(request)
def handler(a: FromHeader(str, 'example')):
pass
def handler(a: FromQuery(List[str]), b: FromServices(Dog),
c: FromJson(Cat), d: FromRoute(), e: FromHeader()):
pass