[ISSUE alibaba#8417] add unit test

plugin-default-impl/src/test/java/com/alibaba/nacos/plugin/auth/impl/controller/UserControllerTest.java

@@ -24,20 +24,26 @@
 import com.alibaba.nacos.plugin.auth.impl.constant.AuthSystemTypes;
 import com.alibaba.nacos.plugin.auth.impl.users.NacosUser;
 import com.fasterxml.jackson.databind.JsonNode;
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
+import org.springframework.mock.web.MockHttpSession;
+import org.springframework.web.HttpSessionRequiredException;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 import java.lang.reflect.Field;
 import java.util.Properties;
 
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
@@ -93,6 +99,15 @@ public void testLoginWithAuthedUser() throws AccessException {
         assertTrue(actualString.contains("\"globalAdmin\":true"));
     }
 
+    @Test
+    public void testSessionExpiredThrowHttpSessionRequiredException() throws IOException {
+        when(authConfigs.isAuthEnabled()).thenReturn(true);
+        when(request.getSession()).thenReturn(new MockHttpSession());
+        Object o = userController.updateUser("nacos", "qwe123", response, request);
+        Assert.assertNull(o);
+        verify(response).sendError(eq(HttpServletResponse.SC_UNAUTHORIZED), eq("session expired!"));
+    }
+
     private void injectObject(String fieldName, Object value) throws NoSuchFieldException, IllegalAccessException {
         Field field = UserController.class.getDeclaredField(fieldName);
         field.setAccessible(true);