content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.istio.config;
  
  import com.alibaba.nacos.sys.env.EnvUtil;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.springframework.mock.env.MockEnvironment;
  import org.springframework.test.util.ReflectionTestUtils;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class IstioEnabledFilterTest {
      
      IstioEnabledFilter istioEnabledFilter;
      
      MockEnvironment environment;
      
      @BeforeEach
      void setUp() {
          environment = new MockEnvironment();
          EnvUtil.setEnvironment(environment);
          istioEnabledFilter = new IstioEnabledFilter();
      }
      
      @AfterEach
      void tearDown() {
          EnvUtil.setEnvironment(null);
          ReflectionTestUtils.setField(EnvUtil.class, "functionModeType", "");
      }
      
      @Test
      void getResponsiblePackagePrefix() {
          assertEquals("com.alibaba.nacos.istio", istioEnabledFilter.getResponsiblePackagePrefix());
      }
      
      @Test
      void isExcludedOnlyNamingFunction() {
          ReflectionTestUtils.setField(EnvUtil.class, "functionModeType", "naming");
          assertTrue(istioEnabledFilter.isExcluded("com.alibaba.nacos.istio.server.IstioServer", null));
      }
      
      @Test
      void isExcludedOnlyConfigFunction() {
          ReflectionTestUtils.setField(EnvUtil.class, "functionModeType", "config");
          assertTrue(istioEnabledFilter.isExcluded("com.alibaba.nacos.istio.server.IstioServer", null));
      }
      
      @Test
      void isExcludedDisabled() {
          environment.setProperty("nacos.extension.naming.istio.enabled", "false");
          assertTrue(istioEnabledFilter.isExcluded("com.alibaba.nacos.istio.server.IstioServer", null));
      }
      
      @Test
      void isExcludedEnabled() {
          environment.setProperty("nacos.extension.naming.istio.enabled", "true");
          assertFalse(istioEnabledFilter.isExcluded("com.alibaba.nacos.istio.server.IstioServer", null));
      }
  }