feat: add test class for casbin issue

src/test/java/org/casbin/MenuTest.java

@@ -0,0 +1,47 @@
+package org.casbin;
+
+import org.casbin.jcasbin.main.Enforcer;
+import org.junit.jupiter.api.Test;
+import  static org.junit.jupiter.api.Assertions.*;
+
+public class MenuTest {
+    @Test
+    public void testMenu() {
+        //model.conf and policy.csv are in the examples/casbin directory
+        Enforcer enforcer = new Enforcer("examples/casbin/model.conf","examples/casbin/policy.csv");
+        // Test each permission individually
+
+        assertTrue(enforcer.enforce("ROLE_ROOT", "SystemMenu", "read"));
+        assertFalse(enforcer.enforce("ROLE_ADMIN", "SystemMenu", "read"));
+        assertFalse(enforcer.enforce("ROLE_USER", "SystemMenu", "read"));
+
+        assertFalse(enforcer.enforce("ROLE_ROOT", "UserMenu", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "UserMenu", "read"));
+        assertTrue(enforcer.enforce("ROLE_USER", "UserMenu", "read"));
+
+        assertFalse(enforcer.enforce("ROLE_ROOT", "UserSubMenu_allow", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "UserSubMenu_allow", "read"));
+        assertTrue(enforcer.enforce("ROLE_USER", "UserSubMenu_allow", "read"));
+
+        assertFalse(enforcer.enforce("ROLE_ROOT", "UserSubSubMenu", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "UserSubSubMenu", "read"));
+        assertTrue(enforcer.enforce("ROLE_USER", "UserSubSubMenu", "read"));
+
+        assertFalse(enforcer.enforce("ROLE_ROOT", "UserSubMenu_deny", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "UserSubMenu_deny", "read"));
+        assertFalse(enforcer.enforce("ROLE_USER", "UserSubMenu_deny", "read"));
+
+        assertTrue(enforcer.enforce("ROLE_ROOT", "AdminMenu", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "AdminMenu", "read"));
+        assertFalse(enforcer.enforce("ROLE_USER", "AdminMenu", "read"));
+
+        assertTrue(enforcer.enforce("ROLE_ROOT", "AdminSubMenu_allow", "read"));
+        assertTrue(enforcer.enforce("ROLE_ADMIN", "AdminSubMenu_allow", "read"));
+        assertFalse(enforcer.enforce("ROLE_USER", "AdminSubMenu_allow", "read"));
+
+        assertTrue(enforcer.enforce("ROLE_ROOT", "AdminSubMenu_deny", "read"));
+        assertFalse(enforcer.enforce("ROLE_ADMIN", "AdminSubMenu_deny", "read"));
+        assertFalse(enforcer.enforce("ROLE_USER", "AdminSubMenu_deny", "read"));
+    }
+}
+