content: /*
   * Copyright 1999-2021 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.auth.context;
  
  import com.alibaba.nacos.auth.config.NacosAuthConfig;
  import com.alibaba.nacos.plugin.auth.api.IdentityContext;
  import com.alibaba.nacos.plugin.auth.constant.Constants;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  
  import jakarta.servlet.http.HttpServletRequest;
  import java.util.Enumeration;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  // todo remove this
  @MockitoSettings(strictness = Strictness.LENIENT)
  class HtppIdentityContextBuilderTest {
      
      private static final String TEST_PLUGIN = "test";
      
      private static final String IDENTITY_TEST_KEY = "identity-test-key";
      
      private static final String IDENTITY_TEST_VALUE = "identity-test-value";
      
      @Mock
      private NacosAuthConfig authConfig;
      
      @Mock
      private HttpServletRequest request;
      
      @Mock
      private Enumeration<String> headerNames;
      
      @Mock
      private Enumeration<String> parameterNames;
      
      private HttpIdentityContextBuilder identityContextBuilder;
      
      @BeforeEach
      void setUp() throws Exception {
          identityContextBuilder = new HttpIdentityContextBuilder(authConfig);
          when(authConfig.getNacosAuthSystemType()).thenReturn(TEST_PLUGIN);
      }
      
      @Test
      void testBuildWithoutPlugin() {
          mockHeader(true);
          mockParameter(true);
          when(authConfig.getNacosAuthSystemType()).thenReturn("non-exist");
          IdentityContext actual = identityContextBuilder.build(request);
          assertNull(actual.getParameter(IDENTITY_TEST_KEY));
      }
      
      @Test
      void testBuildWithHeader() {
          mockHeader(true);
          mockParameter(false);
          IdentityContext actual = identityContextBuilder.build(request);
          assertEquals(IDENTITY_TEST_VALUE, actual.getParameter(IDENTITY_TEST_KEY));
          assertEquals("1.1.1.1", actual.getParameter(Constants.Identity.REMOTE_IP));
      }
      
      @Test
      void testBuildWithParameter() {
          mockHeader(false);
          mockParameter(true);
          IdentityContext actual = identityContextBuilder.build(request);
          assertEquals(IDENTITY_TEST_VALUE, actual.getParameter(IDENTITY_TEST_KEY));
      }
      
      private void mockHeader(boolean contained) {
          when(request.getHeaderNames()).thenReturn(headerNames);
          if (contained) {
              when(headerNames.hasMoreElements()).thenReturn(Boolean.TRUE, Boolean.FALSE);
              when(headerNames.nextElement()).thenReturn(IDENTITY_TEST_KEY, (String) null);
              when(request.getHeader(IDENTITY_TEST_KEY)).thenReturn(IDENTITY_TEST_VALUE);
              when(request.getHeader(Constants.Identity.X_REAL_IP)).thenReturn("1.1.1.1");
          }
      }
      
      private void mockParameter(boolean contained) {
          when(request.getParameterNames()).thenReturn(parameterNames);
          if (contained) {
              when(parameterNames.hasMoreElements()).thenReturn(Boolean.TRUE, Boolean.FALSE);
              when(parameterNames.nextElement()).thenReturn(IDENTITY_TEST_KEY, (String) null);
              when(request.getParameter(IDENTITY_TEST_KEY)).thenReturn(IDENTITY_TEST_VALUE);
          }
      }
  }
  