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path: root/tests/test_71_authn_request.py
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from contextlib import closing
from saml2.client import Saml2Client
from saml2.server import Server


def test_authn_request_with_acs_by_index():
    # ACS index and location from SP metadata in servera.xml.
    ACS_INDEX = '4'
    ACS_LOCATION = 'http://lingon.catalogix.se:8087/another/path'

    # Create SP using the configuration found in servera_conf.py.
    sp = Saml2Client(config_file="servera_conf")

    # Generate an authn request object that uses AssertionConsumerServiceIndex
    # instead of AssertionConsumerServiceURL. The index with label ACS_INDEX
    # exists in the SP metadata in servera.xml.
    request_id, authn_request = sp.create_authn_request(
                                sp.config.entityid,
                                assertion_consumer_service_index=ACS_INDEX)

    # Make sure the authn_request contains AssertionConsumerServiceIndex.
    acs_index = getattr(authn_request,
                        'assertion_consumer_service_index', None)

    assert acs_index == ACS_INDEX

    # Create IdP.
    with closing(Server(config_file="idp_all_conf")) as idp:

        # Ask the IdP to pick out the binding and destination from the
        # authn_request.
        binding, destination = idp.pick_binding("assertion_consumer_service",
                                                request=authn_request)

        # Make sure the IdP pick_binding method picks the correct location
        # or destination based on the ACS index in the authn request.
        assert destination == ACS_LOCATION