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   * 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.aliyun.oss.common.provider;
  
  import com.aliyun.oss.common.auth.InstanceProfileCredentials;
  import com.aliyun.oss.common.auth.InstanceProfileCredentialsFetcher;
  import com.aliyun.oss.common.provider.mock.InstanceProfileCredentialsFetcherMock;
  import com.aliyun.oss.common.provider.mock.InstanceProfileCredentialsFetcherMock.ResponseCategory;
  import com.aliyuncs.exceptions.ClientException;
  import junit.framework.Assert;
  import org.junit.Ignore;
  import org.junit.Test;
  
  @Ignore
  public class InstanceProfileCredentialsFetcherTest extends TestBase {
  
      @Test
      public void testFetchNormalCredentials() {
          try {
              InstanceProfileCredentialsFetcherMock credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.Normal);
  
              InstanceProfileCredentials credentials = (InstanceProfileCredentials) credentialsFetcher.fetch(3);
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertFalse(credentials.willSoonExpire());
  
              credentials = (InstanceProfileCredentials) credentialsFetcher.fetch();
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertFalse(credentials.willSoonExpire());
          } catch (Exception e) {
              e.printStackTrace();
              Assert.fail(e.getMessage());
          }
      }
  
      @Test
      public void testFetchExpiredCredentials() {
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.Expired);
  
              InstanceProfileCredentials credentials = (InstanceProfileCredentials) credentialsFetcher.fetch(3);
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertTrue(credentials.willSoonExpire());
  
              credentials = (InstanceProfileCredentials) credentialsFetcher.fetch();
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertTrue(credentials.willSoonExpire());
          } catch (Exception e) {
              e.printStackTrace();
              Assert.fail(e.getMessage());
          }
      }
  
      @Test
      public void testFetchInvalidCredentials() {
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.FormatInvalid);
              credentialsFetcher.fetch(3);
              Assert.fail("EcsInstanceCredentialsFetcher.fetch should not be successful.");
          } catch (ClientException e) {
              Assert.assertEquals(FORMAT_ERROR_MESSAGE, e.getMessage());
          }
  
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.FormatInvalid);
              credentialsFetcher.fetch();
              Assert.fail("EcsInstanceCredentialsFetcher.fetch should not be successful.");
          } catch (ClientException e) {
              Assert.assertEquals(FORMAT_ERROR_MESSAGE, e.getMessage());
          }
          
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.ServerHalt);
              credentialsFetcher.fetch(3);
              Assert.fail("EcsInstanceCredentialsFetcher.fetch should not be successful.");
          } catch (ClientException e) {
          }
      }
  
      @Test
      public void testFetchExceptionalCredentials() {
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.Exceptional);
              credentialsFetcher.fetch(3);
              Assert.fail("EcsInstanceCredentialsFetcher.fetch should not be successful.");
          } catch (ClientException e) {
          }
  
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcherMock()
                      .withResponseCategory(ResponseCategory.Exceptional);
              credentialsFetcher.fetch();
              Assert.fail("EcsInstanceCredentialsFetcher.fetch should not be successful.");
          } catch (ClientException e) {
          }
      }
  
      @Test
      public void testSetRoleNameNegative() {
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcher();
              credentialsFetcher.setRoleName(null);
              Assert.fail("EcsInstanceCredentialsFetcher.setRoleName should not be successful.");
          } catch (Exception e) {
              Assert.assertTrue(e instanceof IllegalArgumentException);
          }
  
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcher();
              credentialsFetcher.setRoleName("");
              Assert.fail("EcsInstanceCredentialsFetcher.setRoleName should not be successful.");
          } catch (Exception e) {
              Assert.assertTrue(e instanceof IllegalArgumentException);
          }
  
          try {
              new InstanceProfileCredentialsFetcher().withRoleName(null);
              Assert.fail("EcsInstanceCredentialsFetcher.setRoleName should not be successful.");
          } catch (Exception e) {
              Assert.assertTrue(e instanceof IllegalArgumentException);
          }
  
          try {
              new InstanceProfileCredentialsFetcher().withRoleName("");
              Assert.fail("EcsInstanceCredentialsFetcher.setRoleName should not be successful.");
          } catch (Exception e) {
              Assert.assertTrue(e instanceof IllegalArgumentException);
          }
      }
  
      @Test
      public void testGetMetadataNegative() {
          try {
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcher()
                      .withRoleName("NotExistRoleName");
              credentialsFetcher.fetch();
              Assert.fail("EcsInstanceCredentialsFetcher.getMetadata should not be successful.");
          } catch (Exception e) {
              Assert.assertTrue(e instanceof ClientException);
          }
      }
  
      /**
       * NOTE: Run this case on ecs.
       */
      @Ignore
      public void testFetchCredentialsOnEcs() {
          try {
              // TODO: Establish a simulated ECS metadata service
              InstanceProfileCredentialsFetcher credentialsFetcher = new InstanceProfileCredentialsFetcher()
                      .withRoleName(TestConfig.ECS_ROLE_NAME);
  
              InstanceProfileCredentials credentials = (InstanceProfileCredentials) credentialsFetcher.fetch(3);
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertFalse(credentials.willSoonExpire());
  
              credentials = (InstanceProfileCredentials) credentialsFetcher.fetch();
              Assert.assertEquals(credentials.getAccessKeyId().length(), 29);
              Assert.assertEquals(credentials.getSecretAccessKey().length(), 44);
              Assert.assertEquals(credentials.getSecurityToken().length(), 536);
              Assert.assertTrue(credentials.useSecurityToken());
              Assert.assertFalse(credentials.willSoonExpire());
          } catch (Exception e) {
              e.printStackTrace();
              Assert.fail(e.getMessage());
          }
      }
  
      private static final String FORMAT_ERROR_MESSAGE = "Invalid json got from ECS Metadata service.";
      
  }
  