get_annotation_from_field_info,
    get_missing_field_error,
    is_bytes_field,
    is_bytes_sequence_field,
    is_scalar_field,
    is_scalar_sequence_field,
    is_sequence_field,
    is_uploadfile_or_nonable_uploadfile_annotation,
    is_uploadfile_sequence_annotation,
    lenient_issubclass,
    sequence_types,
    serialize_sequence_value,
    value_is_sequence,
)
from fastapi.background import BackgroundTasks

def test_required_nonable_explicit_query_value():
    response = client.get("/explicit-query", params={"q": "foo"})
    assert response.status_code == 200
    assert response.json() == "foo"


def test_required_nonable_body_embed_no_content():
    response = client.post("/body-embed")
    assert response.status_code == 422


def test_required_nonable_body_embed_invalid():

    def is_scalar_sequence_field(field: ModelField) -> bool:
        return field_annotation_is_scalar_sequence(field.field_info.annotation)

    def is_bytes_field(field: ModelField) -> bool:
        return is_bytes_or_nonable_bytes_annotation(field.type_)

    def is_bytes_sequence_field(field: ModelField) -> bool:
        return is_bytes_sequence_annotation(field.type_)