async def test_body_binder_throws_bad_request_for_value_error():
body_binder = JSONBinder(dict, required=True)
def example_converter(value):
raise ValueError("Invalid value")
body_binder.converter = example_converter
with pytest.raises(InvalidRequestBody):
await body_binder.get_value(
Request("POST", b"/",
[(b"content-type", b"application/json")]).with_content(
JSONContent({
"id": "1",
"name": "foo"
})))
async def test_from_body_json_binding_request_missing_content_type():
request = Request("POST", b"/", [])
parameter = JSONBinder(ExampleOne)
value = await parameter.get_value(request)
assert value is None
async def test_from_body_json_binding_invalid_input():
request = Request("POST", b"/", [JSONContentType]).with_content(
JSONContent({
"c": 1,
"d": 2
}))
parameter = JSONBinder(ExampleOne)
with raises(BadRequest):
await parameter.get_value(request)
async def test_from_body_json_binding():
request = Request("POST", b"/", [JSONContentType]).with_content(
JSONContent({
"a": "world",
"b": 9000
}))
parameter = JSONBinder(ExampleOne)
value = await parameter.get_value(request)
assert isinstance(value, ExampleOne)
assert value.a == "world"
assert value.b == 9000
async def test_body_binder_throws_bad_request_for_missing_body():
class CustomBodyBinder(BodyBinder):
def matches_content_type(self, request: Request) -> bool:
return True
async def read_data(self, request: Request) -> Any:
return None
body_binder = CustomBodyBinder(dict)
with pytest.raises(MissingBodyError):
await body_binder.get_value(
Request("POST", b"/", [(b"content-type", b"application/json")]))
body_binder = JSONBinder(dict, required=True)
with pytest.raises(MissingBodyError):
await body_binder.get_value(Request("POST", b"/", []))
async def test_from_body_json_binding_extra_parameters_strategy():
request = Request("POST", b"/", [JSONContentType]).with_content(
JSONContent({
"a":
"world",
"b":
9000,
"c":
"This is an extra parameter, accepted by constructor explicitly",
}))
parameter = JSONBinder(ExampleTwo)
value = await parameter.get_value(request)
assert isinstance(value, ExampleTwo)
assert value.a == "world"
assert value.b == 9000
async def test_from_body_json_with_converter():
request = Request("POST", b"/", [JSONContentType]).with_content(
JSONContent({
"a":
"world",
"b":
9000,
"c":
"This is an extra parameter, accepted by constructor explicitly",
}))
def convert(data):
return ExampleOne(data.get("a"), data.get("b"))
parameter = JSONBinder(ExampleOne, converter=convert)
value = await parameter.get_value(request)
assert isinstance(value, ExampleOne)
assert value.a == "world"
assert value.b == 9000