def test_download_css_fail():
with requests_mock.mock() as m:
test_url = 'http://example.com/test.css'
m.get(test_url, text='data', status_code=400)
with pytest.raises(requests.exceptions.HTTPError):
css_downloader.download_css({}, test_url) == 'data'
assert m.call_count == 1
def test_download_css():
with requests_mock.mock() as m:
test_url = 'http://example.com/test.css'
m.get(test_url, text='data')
assert css_downloader.download_css({}, test_url) == 'data'
assert m.call_count == 1
