import mock
from pytest import raises
from requests import Request
from requests.exceptions import ConnectionError

from httpie.status import ExitStatus
from httpie.core import main
from utils import HTTP_OK, http


error_msg = None


@mock.patch('httpie.core.program')
def test_error(get_response):
    def error(msg, *args, **kwargs):
        global error_msg
        error_msg = msg % args

    exc = ConnectionError('Connection aborted')
    exc.request = Request(method='GET', url='http://www.google.com')
    get_response.side_effect = exc
    ret = main(['http', '--ignore-stdin', 'www.google.com'], custom_log_error=error)
    assert ret == ExitStatus.ERROR
    assert error_msg == (
        'ConnectionError: '
        'Connection aborted while doing a GET request to URL: '
        'http://www.google.com')


@mock.patch('httpie.core.program')
def test_error_traceback(get_response):
    exc = ConnectionError('Connection aborted')
    exc.request = Request(method='GET', url='http://www.google.com')
    get_response.side_effect = exc
    with raises(ConnectionError):
        main(['http', '--ignore-stdin', '--traceback', 'www.google.com'])


def test_max_headers_limit(httpbin_both):
    with raises(ConnectionError) as e:
        http('--max-headers=1', httpbin_both + '/get')
    assert 'got more than 1 headers' in str(e.value)


def test_max_headers_no_limit(httpbin_both):
    assert HTTP_OK in http('--max-headers=0', httpbin_both + '/get')