def test_build_url(self):
sso = SSO(app=self.app)
url, state = sso.make_sso_url()
redirect_url = urlencode({'redirect_uri': url_for(self.app.config['SSO']['redirect_url'], _external=True)})
self.assertIn('state=' + state, url)
self.assertIn('client_id=barfoo', url)
self.assertIn(redirect_url, url)
