unit test for InstanceProfileCredentialsProvider

core/include/alibabacloud/core/InstanceProfileCredentialsProvider.h

@@ -1,12 +1,12 @@
 /*
  * Copyright 2009-2017 Alibaba Cloud All rights reserved.
- * 
+ *
  * 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.
@@ -23,11 +23,11 @@
 #include <string>
 #include "CredentialsProvider.h"
 #include "Credentials.h"
+#include "../src/EcsMetadataFetcher.h"
 
 namespace AlibabaCloud
 {
-	class EcsMetadataFetcher;
-	class ALIBABACLOUD_CORE_EXPORT InstanceProfileCredentialsProvider : public CredentialsProvider
+	class ALIBABACLOUD_CORE_EXPORT InstanceProfileCredentialsProvider : public CredentialsProvider, public EcsMetadataFetcher
 	{
 	public:
 		InstanceProfileCredentialsProvider(const std::string &roleName, int durationSeconds = 3600);
@@ -35,7 +35,9 @@ namespace AlibabaCloud
 
 		std::string roleName()const;
 		virtual Credentials getCredentials() override;
-
+		using EcsMetadataFetcher::roleName;
+		using EcsMetadataFetcher::setRoleName;
+		using EcsMetadataFetcher::getMetadata;
 	private:
 		void loadCredentials();
 		bool checkExpiry()const;
@@ -44,7 +46,6 @@ namespace AlibabaCloud
 		Credentials cachedCredentials_;
 		int durationSeconds_;
 		std::chrono::system_clock::time_point expiry_;
-		EcsMetadataFetcher *fetcher_;
 	};
 }
 #endif