@Test
    void verifyOperationForOidc() throws Throwable {
        val parameters = new HashMap<String, String>();
        val registeredService = getOidcRegisteredService();
        val results = oauthAuthorizationModelAndViewBuilder.build(registeredService,
            OAuth20ResponseModeTypes.FORM_POST, "https://localhost:8443/app/redirect", parameters);
        assertTrue(results.getModel().containsKey("originalUrl"));
        val url = results.getModel().get("originalUrl").toString();
        assertTrue(url.contains(OidcConstants.ISS.concat("=")));
        val params = (Map) results.getModel().get("parameters");
        assertTrue(params.containsKey(OidcConstants.ISS));
    }
This is {@link OidcAuthorizationModelAndViewBuilderTests}.

@author Misagh Moayyed
@since 6.4.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/web/OidcAuthorizationModelAndViewBuilderTests.java