content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.cloudapp.api.gateway.authentication;
  
  import com.alibaba.cloudapp.exeption.CloudAppException;
  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.http.HttpHeaders;
  import org.springframework.http.HttpRequest;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertThrows;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  @RunWith(MockitoJUnitRunner.class)
  public class APIKeyAuthorizerTest {
  
      @Mock
      private HttpRequest request;
      @Mock
      private HttpHeaders headers;
  
      private APIKeyAuthorizer authorizer;
  
      @Before
      public void setUp() {
          authorizer = new APIKeyAuthorizer("testApiKey");
          authorizer = new APIKeyAuthorizer("testApiKey", null);
          when(request.getHeaders()).thenReturn(headers);
      }
  
      @Test
      public void applyAuthorization_APIKeySet_ShouldAddHeader() throws CloudAppException {
          // Act
          authorizer.applyAuthorization(request);
  
          // Assert
          verify(request.getHeaders()).add(authorizer.getHeaderName(), "testApiKey");
          
      }
  
      @Test
      public void applyAuthorization_APIKeyNotSet_ShouldThrowException() {
          // Arrange
          authorizer = new APIKeyAuthorizer(null);
  
          // Act & Assert
          CloudAppException exception = assertThrows(CloudAppException.class,
                  () -> authorizer.applyAuthorization(request));
          assertEquals("API key is not set", exception.getMessage());
      }
  
      @Test
      public void applyAuthorization_APIKeyEmpty_ShouldThrowException() {
          // Arrange
          authorizer = new APIKeyAuthorizer("");
  
          // Act & Assert
          CloudAppException exception = assertThrows(CloudAppException.class,
                  () -> authorizer.applyAuthorization(request));
          assertEquals("API key is not set", exception.getMessage());
      }
  
      @Test
      public void applyAuthorization_CustomHeader_ShouldAddHeader() throws CloudAppException {
          // Arrange
          String customHeader = "Authorization";
          authorizer = new APIKeyAuthorizer("testApiKey", customHeader);
  
          // Act
          authorizer.applyAuthorization(request);
  
          // Assert
          verify(request.getHeaders()).add(customHeader, "testApiKey");
      }
  }
  