text: from seedeebot.utils import get_http_proxy
  
  def test_get_http_proxy():
      environ = {'http_proxy': 'foo:8080'}
      assert get_http_proxy(environ) == ('foo', '8080', None)
  
      environ = {'http_proxy': 'http://foo:8080'}
      assert get_http_proxy(environ) == ('foo', '8080', None)
  
      environ = {'no_proxy': '*.slack.com'}
      assert get_http_proxy(environ) == (None, None, '*.slack.com')
  