check logout redirection (SatelliteQE#20718)

(cherry picked from commit 90b1295)

Author: pondrejk

robottelo/constants/__init__.py

@@ -2068,6 +2068,8 @@
 
 RHSSO_RESET_PASSWORD = {"temporary": "false", "type": "password", "value": ""}
 
+LOGIN_DELEGATION_LOGOUT_URL = "https://theforeman.org/"
+
 FOREMAN_ANSIBLE_MODULES = [
     "activation_key",
     "architecture",

tests/foreman/destructive/test_ldap_authentication.py

@@ -20,7 +20,13 @@
 import pytest
 
 from robottelo.config import settings
-from robottelo.constants import CERT_PATH, HAMMER_CONFIG, HAMMER_SESSIONS, LDAP_ATTR
+from robottelo.constants import (
+    CERT_PATH,
+    HAMMER_CONFIG,
+    HAMMER_SESSIONS,
+    LDAP_ATTR,
+    LOGIN_DELEGATION_LOGOUT_URL,
+)
 from robottelo.exceptions import CLIReturnCodeError
 from robottelo.logging import logger
 from robottelo.utils.datafactory import gen_string
@@ -256,15 +262,23 @@ def test_single_sign_on_ldap_ad_server(
     assert f'{target_sat.url}/new/hosts' in result.stdout
 
 
+@pytest.mark.parametrize(
+    'setting_update',
+    [f'login_delegation_logout_url={LOGIN_DELEGATION_LOGOUT_URL}'],
+    ids=["external_redirect"],
+    indirect=True,
+)
 def test_single_sign_on_using_rhsso(
-    enable_external_auth_rhsso, rhsso_setting_setup, module_target_sat
+    enable_external_auth_rhsso, rhsso_setting_setup, module_target_sat, setting_update
 ):
     """Verify the single sign-on functionality with external authentication RH-SSO
 
     :id: 18a77de8-570f-11ea-a202-d46d6dd3b5b2
 
     :setup: Enroll the RH-SSO Configuration for External Authentication
 
+    :verifies: SAT-40322
+
     :steps:
         1. Create Mappers on RHSSO Instance and Update the Settings in Satellite
         2. Login into Satellite using RHSSO login page redirected by Satellite
@@ -280,6 +294,12 @@ def test_single_sign_on_using_rhsso(
             session.user.search('')
         actual_user = session.task.read_all(widget_names="current_user")['current_user']
         assert settings.rhsso.rhsso_user in actual_user
+        # logout verification for SAT-40322
+        session.rhsso_login.logout()
+        assert session.browser.url == LOGIN_DELEGATION_LOGOUT_URL, "Unsuccessful logout redirect"
+        with pytest.raises(NavigationTriesExceeded) as error:
+            session.task.read_all(widget_names='current_user')['current_user']
+        assert error.typename == 'NavigationTriesExceeded'
 
 
 def test_external_logout_rhsso(rhsso_setting_setup, enable_external_auth_rhsso, module_target_sat):