diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasDelegateTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasDelegateTest.java
new file mode 100644
index 0000000..fa2afbd
--- /dev/null
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasDelegateTest.java
@@ -0,0 +1,63 @@
+package com.casinthecloud.simpletest.cas;
+
+import com.casinthecloud.simpletest.execution.Context;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.val;
+
+import static org.apache.commons.lang3.StringUtils.substringBetween;
+
+/**
+ * A test performing a CAS authn delegation in the CAS server.
+ *
+ * @author Jerome LELEU
+ * @since 1.0.0
+ */
+@Getter
+@Setter
+public class CasDelegateTest extends CasLoginTest {
+
+    private final String clientName;
+
+    public CasDelegateTest(final String clientName, final CasTest casTest) {
+        this.tests = new CasTest[] { casTest };
+        this.clientName = clientName;
+    }
+
+    public void run(final Context ctx) throws Exception {
+
+        val loginUrl = callLoginPage(ctx);
+
+        delegate(ctx, loginUrl);
+
+        super.run(ctx);
+
+        callbackCas(ctx);
+
+        callbackCas(ctx);
+
+    }
+
+    protected void delegate(final Context ctx, final String loginUrl) throws Exception {
+        val webflow = substringBetween(ctx.getBody(), "name=\"execution\" value=\"", "\"/>");
+
+        ctx.getFormParameters().put("client_name", getClientName());
+        ctx.getFormParameters().put("_eventId", "delegatedAuthenticationRedirect");
+        ctx.getFormParameters().put("execution", webflow);
+
+        ctx.setRequest(post(ctx, loginUrl));
+        execute(ctx);
+
+        saveCasSession(ctx);
+    }
+
+    protected void callbackCas(final Context ctx) throws Exception {
+        val callbackUrl = getLocation(ctx);
+
+        useCasSession(ctx);
+
+        ctx.setRequest(get(ctx, callbackUrl));
+        execute(ctx);
+        assertStatus(ctx, 302);
+    }
+}
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasLoginTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasLoginTest.java
index d429eae..a86051e 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasLoginTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasLoginTest.java
@@ -4,7 +4,6 @@
 import lombok.Getter;
 import lombok.Setter;
 import lombok.val;
-import org.apache.commons.lang3.tuple.Pair;
 
 import static com.casinthecloud.simpletest.util.Utils.addUrlParameter;
 import static org.apache.commons.lang3.StringUtils.isBlank;
@@ -22,17 +21,7 @@ public class CasLoginTest extends CasTest {
 
     public void run(final Context ctx) throws Exception {
 
-        var loginUrl = getLocation(ctx);
-        if (isBlank(loginUrl)) {
-            loginUrl = addUrlParameter(getCasPrefixUrl() + "/login", "service", getServiceUrl());
-        }
-        login(ctx, loginUrl);
-
-    }
-
-    protected void login(final Context ctx, final String loginUrl) throws Exception {
-
-        callLoginPage(ctx, loginUrl);
+        val loginUrl = callLoginPage(ctx);
 
         if (ctx.getStatus() == 200) {
             postCredentials(ctx, loginUrl);
@@ -42,18 +31,22 @@ protected void login(final Context ctx, final String loginUrl) throws Exception
 
     }
 
-    protected void callLoginPage(final Context ctx, final String loginUrl) throws Exception {
-        val tgc = (Pair<String, String>) ctx.get(TGC);
-
-        if (tgc != null) {
-            info("Re-use: " + tgc.getLeft() + "=" + tgc.getRight());
-            ctx.getCookies().put(getCasCookieName(), tgc.getRight());
+    protected String callLoginPage(final Context ctx) throws Exception {
+        var loginUrl = getLocation(ctx);
+        if (isBlank(loginUrl)) {
+            loginUrl = addUrlParameter(getCasPrefixUrl() + "/login", "service", getServiceUrl());
         }
 
+        useSsoSession(ctx);
+
         ctx.setRequest(get(ctx, loginUrl));
         execute(ctx);
+
+        return loginUrl;
     }
 
+
+
     protected void postCredentials(final Context ctx, final String loginUrl) throws Exception {
         val webflow = substringBetween(ctx.getBody(), "name=\"execution\" value=\"", "\"/>");
 
@@ -66,8 +59,6 @@ protected void postCredentials(final Context ctx, final String loginUrl) throws
         ctx.setRequest(post(ctx, loginUrl));
         execute(ctx);
 
-        val tgc = getCookie(ctx, getCasCookieName());
-        ctx.put(TGC, tgc);
-        info("Found: " + tgc.getLeft() + "=" + tgc.getRight());
+        saveSsoSession(ctx);
     }
 }
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCLoginTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCLoginTest.java
index c491385..80fc299 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCLoginTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCLoginTest.java
@@ -4,7 +4,6 @@
 import lombok.Getter;
 import lombok.Setter;
 import lombok.val;
-import org.apache.commons.lang3.tuple.Pair;
 
 import static com.casinthecloud.simpletest.util.Utils.addUrlParameter;
 import static com.casinthecloud.simpletest.util.Utils.random;
@@ -37,9 +36,9 @@ public void run(final Context ctx) throws Exception {
 
         super.run(ctx);
 
-        callbackCas(ctx);
+        callback(ctx);
 
-        callbackApp(ctx);
+        callback(ctx);
 
     }
 
@@ -57,31 +56,16 @@ protected void authorize(final Context ctx) throws Exception {
         execute(ctx);
         assertStatus(ctx, 302);
 
-        val casSession = getCookie(ctx, DISSESSION);
-        ctx.put(CAS_SESSION, casSession);
-        info("Found CAS session: " + casSession.getLeft() + "=" + casSession.getRight());
+        saveCasSession(ctx);
     }
 
-    protected void callbackCas(final Context ctx) throws Exception {
-        val callbackCasUrl = getLocation(ctx);
-        val tgc = (Pair<String, String>) ctx.get(TGC);
-        val casSession = (Pair<String, String>) ctx.get(CAS_SESSION);
+    protected void callback(final Context ctx) throws Exception {
+        val callbackUrl = getLocation(ctx);
 
-        ctx.getCookies().put(casSession.getLeft(), casSession.getRight());
-        ctx.getCookies().put(tgc.getLeft(), tgc.getRight());
-        ctx.setRequest(get(ctx, callbackCasUrl));
-        execute(ctx);
-        assertStatus(ctx, 302);
-    }
-
-    protected void callbackApp(final Context ctx) throws Exception {
-        val callbackAppUrl = getLocation(ctx);
-        val tgc = (Pair<String, String>) ctx.get(TGC);
-        val casSession = (Pair<String, String>) ctx.get(CAS_SESSION);
+        useSsoSession(ctx);
+        useCasSession(ctx);
 
-        ctx.getCookies().put(casSession.getLeft(), casSession.getRight());
-        ctx.getCookies().put(TGC, tgc.getRight());
-        ctx.setRequest(get(ctx, callbackAppUrl));
+        ctx.setRequest(get(ctx, callbackUrl));
         execute(ctx);
         assertStatus(ctx, 302);
     }
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCValidateOCTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCValidateOCTest.java
index c3c619e..6e14761 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCValidateOCTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasOIDCValidateOCTest.java
@@ -9,7 +9,7 @@
 import static org.apache.commons.lang3.StringUtils.substringBetween;
 
 /**
- * A test performing an OIDC login in the CAS server.
+ * A test performing a code OC validation to retrieve the access token in the CAS server.
  *
  * @author Jerome LELEU
  * @since 1.0.0
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasSAML2LoginTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasSAML2LoginTest.java
index a116d13..68a61fa 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasSAML2LoginTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasSAML2LoginTest.java
@@ -4,7 +4,6 @@
 import lombok.Getter;
 import lombok.Setter;
 import lombok.val;
-import org.apache.commons.lang3.tuple.Pair;
 
 import java.time.ZoneOffset;
 import java.time.ZonedDateTime;
@@ -65,18 +64,15 @@ protected void postRequest(final Context ctx) throws Exception {
         execute(ctx);
         assertStatus(ctx, 302);
 
-        val casSession = getCookie(ctx, JSESSIONID);
-        ctx.put(CAS_SESSION, casSession);
-        info("Found CAS session: " + casSession.getLeft() + "=" + casSession.getRight());
+        saveCasSession(ctx);
     }
 
     protected void callbackCas(final Context ctx) throws Exception {
         val callbackUrl = getLocation(ctx);
-        val tgc = (Pair<String, String>) ctx.get(TGC);
-        val casSession = (Pair<String, String>) ctx.get(CAS_SESSION);
 
-        ctx.getCookies().put(casSession.getLeft(), casSession.getRight());
-        ctx.getCookies().put(tgc.getLeft(), tgc.getRight());
+        useSsoSession(ctx);
+        useCasSession(ctx);
+
         ctx.setRequest(get(ctx, callbackUrl));
         execute(ctx);
         assertStatus(ctx, 200);
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasTest.java
index 9f1465f..4e619e9 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasTest.java
@@ -1,8 +1,11 @@
 package com.casinthecloud.simpletest.cas;
 
+import com.casinthecloud.simpletest.execution.Context;
 import com.casinthecloud.simpletest.test.ChainingTest;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.val;
+import org.apache.commons.lang3.tuple.Pair;
 
 /**
  * A test for CAS.
@@ -15,10 +18,10 @@
 @Setter
 public abstract class CasTest extends ChainingTest {
 
-    protected static final String JSESSIONID = "JSESSIONID";
-    protected static final String TGC = "TGC";
-    protected static final String DISSESSION = "DISSESSION";
-    protected static final String CAS_SESSION = "CAS_SESSION";
+    private static final String JSESSIONID = "JSESSIONID";
+    private static final String DISSESSION = "DISSESSION";
+    private static final String CAS_SESSION = "CAS_SESSION";
+    private static final String TGC = "TGC";
 
     private String casPrefixUrl = "http://localhost:8080/cas";
 
@@ -29,4 +32,35 @@ public abstract class CasTest extends ChainingTest {
     private String username = "jleleu";
 
     private String password = "jleleu";
+
+    protected void saveCasSession(final Context ctx) {
+        var casSession = getCookie(ctx, DISSESSION);
+        if (casSession == null) {
+            casSession = getCookie(ctx, JSESSIONID);
+        }
+        ctx.put(testId + CAS_SESSION, casSession);
+        info("Found CAS session: " + casSession.getLeft() + "=" + casSession.getRight());
+    }
+
+    protected void useCasSession(final Context ctx) {
+        val casSession = (Pair<String, String>) ctx.get(testId + CAS_SESSION);
+        if (casSession != null) {
+            info("Re-use: " + casSession.getLeft() + "=" + casSession.getRight());
+            ctx.getCookies().put(casSession.getLeft(), casSession.getRight());
+        }
+    }
+
+    protected void saveSsoSession(final Context ctx) {
+        val tgc = getCookie(ctx, getCasCookieName());
+        ctx.put(testId + TGC, tgc);
+        info("Found: " + tgc.getLeft() + "=" + tgc.getRight());
+    }
+
+    protected void useSsoSession(final Context ctx) {
+        val tgc = (Pair<String, String>) ctx.get(testId + TGC);
+        if (tgc != null) {
+            info("Re-use: " + tgc.getLeft() + "=" + tgc.getRight());
+            ctx.getCookies().put(getCasCookieName(), tgc.getRight());
+        }
+    }
 }
diff --git a/src/main/java/com/casinthecloud/simpletest/cas/CasValidateTest.java b/src/main/java/com/casinthecloud/simpletest/cas/CasValidateTest.java
index 24c78e7..527eb89 100644
--- a/src/main/java/com/casinthecloud/simpletest/cas/CasValidateTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/cas/CasValidateTest.java
@@ -9,7 +9,7 @@
 import static org.apache.commons.lang3.StringUtils.substringAfter;
 
 /**
- * A test performing a CAS login in the CAS server.
+ * A test performing a ST validation in the CAS server.
  *
  * @author Jerome LELEU
  * @since 1.0.0
@@ -22,6 +22,7 @@ public void run(final Context ctx) throws Exception {
 
         val callbackUrl = getLocation(ctx);
         val st = substringAfter(callbackUrl, "ticket=");
+        info("Service ticket: " + st);
 
         var validateUrl = getCasPrefixUrl() + "/p3/serviceValidate";
         validateUrl = addUrlParameter(validateUrl, "service", getServiceUrl());
diff --git a/src/main/java/com/casinthecloud/simpletest/test/BaseTest.java b/src/main/java/com/casinthecloud/simpletest/test/BaseTest.java
index 7ead117..76aac50 100644
--- a/src/main/java/com/casinthecloud/simpletest/test/BaseTest.java
+++ b/src/main/java/com/casinthecloud/simpletest/test/BaseTest.java
@@ -29,6 +29,10 @@
  */
 public abstract class BaseTest {
 
+    private static int SEQ = 1;
+
+    protected int testId;
+
     @Setter
     private HttpClient client;
 
@@ -48,6 +52,10 @@ public abstract class BaseTest {
     @Setter
     private boolean displayInfos;
 
+    protected BaseTest() {
+        testId = SEQ++;
+    }
+
     public abstract void run(final Context ctx) throws Exception;
 
     protected String getLocation(final Context ctx) {
diff --git a/src/test/java/com/casinthecloud/simpletest/MainDelegate.java b/src/test/java/com/casinthecloud/simpletest/MainDelegate.java
new file mode 100644
index 0000000..d8c8097
--- /dev/null
+++ b/src/test/java/com/casinthecloud/simpletest/MainDelegate.java
@@ -0,0 +1,18 @@
+package com.casinthecloud.simpletest;
+
+import com.casinthecloud.simpletest.cas.CasDelegateTest;
+import com.casinthecloud.simpletest.cas.CasLoginTest;
+import com.casinthecloud.simpletest.cas.CasOIDCLoginTest;
+import com.casinthecloud.simpletest.cas.CasOIDCValidateOCTest;
+import com.casinthecloud.simpletest.execution.Execution;
+
+import static com.casinthecloud.simpletest.util.Utils.AND;
+
+public class MainDelegate {
+
+    public static void main(final String... args) throws Exception {
+        new Execution(() -> {
+            return AND(new CasOIDCLoginTest(new CasDelegateTest("CasClient", new CasLoginTest())), new CasOIDCValidateOCTest());
+        }).launch();
+    }
+}