from sanic import Sanic
from sanic.response import text
from sanic.exceptions import PayloadTooLarge

data_received_app = Sanic('data_received')
data_received_app.config.REQUEST_MAX_SIZE = 1
data_received_default_app = Sanic('data_received_default')
data_received_default_app.config.REQUEST_MAX_SIZE = 1
on_header_default_app = Sanic('on_header')
on_header_default_app.config.REQUEST_MAX_SIZE = 500


@data_received_app.route('/1')
async def handler1(request):
    return text('OK')


@data_received_app.exception(PayloadTooLarge)
def handler_exception(request, exception):
    return text('Payload Too Large from error_handler.', 413)


def test_payload_too_large_from_error_handler():
    response = data_received_app.test_client.get('/1', gather_request=False)
    assert response.status == 413
    assert response.text == 'Payload Too Large from error_handler.'


@data_received_default_app.route('/1')
async def handler2(request):
    return text('OK')


def test_payload_too_large_at_data_received_default():
    response = data_received_default_app.test_client.get(
        '/1', gather_request=False)
    assert response.status == 413
    assert response.text == 'Error: Payload Too Large'


@on_header_default_app.route('/1')
async def handler3(request):
    return text('OK')


def test_payload_too_large_at_on_header_default():
    data = 'a' * 1000
    response = on_header_default_app.test_client.post(
        '/1', gather_request=False, data=data)
    assert response.status == 413
    assert response.text == 'Error: Payload Too Large'