diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a83174..cc7f084 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,11 @@ set(CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS         "${CMAKE_CXX_FLAGS}         -Wall -Wextra -pedantic")
 set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG}   -g -DDEBUG")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 -march=native -DNDEBUG")
-set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS}  -Wl,-O1,--sort-common,--as-needed,-z,relro")
+if(UNIX)
+  set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS}  -Wl,-O1,--sort-common,--as-needed,-z,relro")
+elseif(WIN32 OR APPLE)
+ #set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS}  -Wl,-O1,--sort-common,--as-needed")
+endif()
 
 if(CMAKE_GENERATOR STREQUAL "Ninja")
   if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
@@ -49,28 +53,64 @@ if(ENABLE_CODE_COVERAGE)
 endif()
 
 # Required libraries
-find_package(Boost 1.71.0 COMPONENTS unit_test_framework REQUIRED)
-find_package(PkgConfig REQUIRED)
-find_package(OpenSSL REQUIRED)
-if(NOT OPENSSL_FOUND)
-  message(FATAL_ERROR "Fail to find OpenSSL") # exit
+if(ENABLE_TEST)
+  if(NOT (UNIX OR APPLE))
+    message(FAITAL_ERROR "unit test is NOT supported on Windows")
+  endif()
+  find_package(Boost 1.71.0 COMPONENTS unit_test_framework REQUIRED)
+  # Enable CTest
+  enable_testing()
+  add_subdirectory(test)
+endif()
+
+
+# Search OpenSSL
+if(UNIX OR APPLE)
+  find_package(PkgConfig REQUIRED)
+  find_package(OpenSSL REQUIRED)
+  if(NOT OPENSSL_FOUND)
+    message(FATAL_ERROR "Fail to find OpenSSL") # exit
+  endif()
+  set(OPENSSL_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
+elseif(WIN32)
+  if(NOT OPENSSL_ROOT_DIR)
+    message(FATAL_ERROR "Fail to find OpenSSL") # exit
+  endif()
+  set(OPENSSL_INCLUDE_DIR "${OPENSSL_ROOT_DIR}/include")
+  set(OPENSSL_LIBRARIES "${OPENSSL_ROOT_DIR}/lib/libssl.dll.a" "${OPENSSL_ROOT_DIR}/lib/libcrypto.dll.a" )
+  file(GLOB DLL ${OPENSSL_ROOT_DIR}/*.dll)
+  file(COPY ${DLL} DESTINATION ${CMAKE_BINARY_DIR})
 endif()
 message(STATUS "OPENSSL_INCLUDE_DIR: ${OPENSSL_INCLUDE_DIR}")
+message(STATUS "OpenSSL Libraries : ${OPENSSL_LIBRARIES}")
 include_directories(${OPENSSL_INCLUDE_DIR})
 
-find_package(CURL REQUIRED)
-if(NOT CURL_FOUND)
-  message(FATAL_ERROR "Fail to find OpenSSL") # exit
+
+# Search cURL library
+if(UNIX OR APPLE)
+  find_package(CURL REQUIRED)
+  if(NOT CURL_FOUND)
+    message(FATAL_ERROR "Fail to find cURL library") # exit
+  endif()
+elseif(WIN32)
+	if(NOT CURL_ROOT_DIR)
+    message(FATAL_ERROR "Fail to find cURL library") # exit
+  endif()
+  add_definitions(-DCURL_STATICLIB)
+	set(CURL_INCLUDE_DIRS "${CURL_ROOT_DIR}/include")
+	set(CURL_LIBRARIES "${CURL_ROOT_DIR}/lib/libcurl.dll.a")
+  file(GLOB DLL ${CURL_ROOT_DIR}/bin/*.dll)
+  file(COPY ${DLL} DESTINATION ${CMAKE_BINARY_DIR})
 endif()
+message(STATUS "CURL_INCLUDE_DIR: ${CURL_INCLUDE_DIRS}")
+message(STATUS "CURL_LIBRARIES: ${CURL_LIBRARIES}")
 include_directories(${CURL_INCLUDE_DIRS})
 
+
 include_directories(
-  ${PROJECT_SOURCE_DIR}/src
-  ${PROJECT_SOURCE_DIR}/third
+		${CMAKE_SOURCE_DIR}/src
+		${CMAKE_SOURCE_DIR}/third
 )
 
-# Enable CTest
-enable_testing()
 
 add_subdirectory(src)
-add_subdirectory(test)
diff --git a/Jenkinsfile b/Jenkinsfile
index b7f1729..db2aef8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -26,7 +26,7 @@ pipeline {
         sh '''
          mkdir -p build
          cd build
-         cmake .. -G Ninja
+         cmake .. -G Ninja -DENABLE_TEST=TRUE
         '''
        }
       }
@@ -47,7 +47,7 @@ pipeline {
          try{
           sh '''
            cd build
-           ctest --output_on_failure
+           ctest --output-on-failure
           '''
           unittestBadge.setStatus('passing')
          }catch(Exception error){
diff --git a/README.md b/README.md
index 5c06c11..94dc795 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,6 @@
 # CocoaTweet
 This is a library for using Twitter API from C++  
 
-# Dependency
-- libcurl
-- libssl
-
 # Features
 you can use these endpoint
 - statuses/update
@@ -17,6 +13,45 @@ you can use these endpoint
 - favorites/create
 - favorites/destroy
 
+# Dependency
+- libcurl(openssl version)
+- libssl
+
+# Instllation
+## Ubuntu
+```
+# apt install clang cmake git libboost-dev libboost-test-dev libcurl4-openssl-dev libssl-dev nunja-build
+$ git clone https://github.com/koron0902/CocoaTweet
+$ cd CocoaTweet
+$ mkdir build
+$ cd build
+$ cmake .. -G Ninja
+$ ninja
+```
+
+## Windows
+- Get MinGW32 from [here](https://osdn.net/projects/mingw/downloads/68260/mingw-get-setup.exe/)(start download automatically at open link)  
+- Install `mingw32-base-bin` and `mingw32-gcc-g+-bin` via MinGW32  
+- Add PATH in System Environment   
+- Get libcurl-32bit and OpenSSL-32bit from [here](https://curl.se/windows/)  
+- Get ninja from [here](https://github.com/ninja-build/ninja/releases) and add PATH(Optional, but build faster)  
+
+and then....
+```
+$ git clone https://github.com/koron0902/CocoaTweet
+$ cd CocoaTweet
+$ mkdir build
+$ cd build
+
+// if install ninja
+$ cmake .. -G Ninja -DOPENSSL_ROOT_DIR=<path/to/openssl/install> -DCURL_ROOT_DIR=<path/to/curl/install> -DCMAKE_CXX_COMPILER=mingw32-g++ -DCMAKE_C_COMPILER=mingw32-gcc -DCMAKE_MAKE_PROGRAM=ninja 
+$ ninja
+
+// if NOT install ninja
+$ cmake .. -G "MinGW Makefiles" -DOPENSSL_ROOT_DIR=<path/to/openssl/install> -DCURL_ROOT_DIR=<path/to/curl/install> 
+$ mingw32-make
+```
+
 # How
 ## API Key Registration
 ### 1.Write Key into code
diff --git a/src/cocoatweet/CMakeLists.txt b/src/cocoatweet/CMakeLists.txt
index ef17d9c..c00a05c 100644
--- a/src/cocoatweet/CMakeLists.txt
+++ b/src/cocoatweet/CMakeLists.txt
@@ -1,11 +1,15 @@
 file(GLOB_RECURSE SOURCES ./*.cc)
 add_library(lib-cocoatweet ${SOURCES})
+
+
 target_link_libraries(lib-cocoatweet PUBLIC
-  Boost::boost
-  OpenSSL::SSL
-  OpenSSL::Crypto
+  ${OPENSSL_LIBRARIES}
   ${CURL_LIBRARIES}
 )
 
+if(ENABLE_TEST)
+  target_link_libraries(lib-cocoatweet PUBLIC Boost::boost)
+endif()
+
 target_include_directories(lib-cocoatweet PUBLIC ${PROJECT_SOURCE_DIR}/src)
 set_target_properties(lib-cocoatweet PROPERTIES OUTPUT_NAME cocoatweet)
diff --git a/src/cocoatweet/api/favorite/create.cc b/src/cocoatweet/api/favorite/create.cc
index ece7181..a181e1a 100644
--- a/src/cocoatweet/api/favorite/create.cc
+++ b/src/cocoatweet/api/favorite/create.cc
@@ -1,5 +1,6 @@
 #include <cocoatweet/api/favorite/create.h>
-#include <iostream>
+#include <cocoatweet/api/model/tweet.h>
+
 namespace CocoaTweet::API::Favorites {
 Create::Create() {
   contentType_ = "application/x-www-form-urlencoded";
@@ -10,9 +11,13 @@ void Create::id(const std::string& _id) {
   bodyParam_.insert_or_assign("id", _id);
 }
 
-void Create::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  HttpPost::process(_oauth, [](const unsigned int _, const std::string& _srv) {
-    std::cout << _srv << std::endl;
-  });
+CocoaTweet::API::Model::Tweet Create::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
+  CocoaTweet::API::Model::Tweet tweet;
+  HttpPost::process(_oauth,
+                    [&tweet](const unsigned int _responseCode, const std::string& _rcv) {
+                      tweet = CocoaTweet::API::Model::Tweet(_responseCode, _rcv);
+                    });
+
+  return tweet;
 }
 } // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/create.h b/src/cocoatweet/api/favorite/create.h
index 9a22f88..58e6c88 100644
--- a/src/cocoatweet/api/favorite/create.h
+++ b/src/cocoatweet/api/favorite/create.h
@@ -2,13 +2,14 @@
 #define COCOATWEET_API_FAVORITE_CREATE_H_
 
 #include <cocoatweet/api/interface/httpPost.h>
+#include <cocoatweet/api/model/tweet.h>
 
 namespace CocoaTweet::API::Favorites {
 class Create : public CocoaTweet::API::Interface::HttpPost {
 public:
   Create();
   void id(const std::string& _id);
-  void process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
+  CocoaTweet::API::Model::Tweet process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
 
 private:
 };
diff --git a/src/cocoatweet/api/favorite/destroy.cc b/src/cocoatweet/api/favorite/destroy.cc
index dac36fa..126eac6 100644
--- a/src/cocoatweet/api/favorite/destroy.cc
+++ b/src/cocoatweet/api/favorite/destroy.cc
@@ -1,5 +1,6 @@
 #include <cocoatweet/api/favorite/destroy.h>
-#include <iostream>
+#include <cocoatweet/api/model/tweet.h>
+
 namespace CocoaTweet::API::Favorites {
 Destroy::Destroy() {
   contentType_ = "application/x-www-form-urlencoded";
@@ -10,9 +11,14 @@ void Destroy::id(const std::string& _id) {
   bodyParam_.insert_or_assign("id", _id);
 }
 
-void Destroy::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  HttpPost::process(_oauth, [](const unsigned int _, const std::string& _srv) {
-    std::cout << _srv << std::endl;
-  });
+CocoaTweet::API::Model::Tweet Destroy::process(
+    std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
+  CocoaTweet::API::Model::Tweet tweet;
+  HttpPost::process(_oauth,
+                    [&tweet](const unsigned int _responseCode, const std::string& _rcv) {
+                      tweet = CocoaTweet::API::Model::Tweet(_responseCode, _rcv);
+                    });
+
+  return tweet;
 }
 } // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/destroy.h b/src/cocoatweet/api/favorite/destroy.h
index 809f4e7..5515375 100644
--- a/src/cocoatweet/api/favorite/destroy.h
+++ b/src/cocoatweet/api/favorite/destroy.h
@@ -2,13 +2,14 @@
 #define COCOATWEET_API_FAVORITE_DESTROY_H_
 
 #include <cocoatweet/api/interface/httpPost.h>
+#include <cocoatweet/api/model/tweet.h>
 
 namespace CocoaTweet::API::Favorites {
 class Destroy : public CocoaTweet::API::Interface::HttpPost {
 public:
   Destroy();
   void id(const std::string& _id);
-  void process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
+  CocoaTweet::API::Model::Tweet process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
 
 private:
 };
diff --git a/src/cocoatweet/api/favorite/favorite.cc b/src/cocoatweet/api/favorite/favorite.cc
index 6bdb88d..71631ff 100644
--- a/src/cocoatweet/api/favorite/favorite.cc
+++ b/src/cocoatweet/api/favorite/favorite.cc
@@ -1,5 +1,3 @@
-#include <iostream>
-
 #include "cocoatweet/api/favorite/favorite.h"
 #include "cocoatweet/api/favorite/create.h"
 #include "cocoatweet/api/favorite/destroy.h"
@@ -9,15 +7,15 @@ Favorite::Favorite(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
   oauth_ = _oauth;
 }
 
-void Favorite::Create(const std::string& _id) const {
+CocoaTweet::API::Model::Tweet Favorite::Create(const std::string& _id) const {
   CocoaTweet::API::Favorites::Create create;
   create.id(_id);
-  create.process(oauth_);
+  return create.process(oauth_);
 }
 
-void Favorite::Destroy(const std::string& _id) const {
+CocoaTweet::API::Model::Tweet Favorite::Destroy(const std::string& _id) const {
   CocoaTweet::API::Favorites::Destroy destroy;
   destroy.id(_id);
-  destroy.process(oauth_);
+  return destroy.process(oauth_);
 }
 } // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/favorite.h b/src/cocoatweet/api/favorite/favorite.h
index eae9ae8..b79544a 100644
--- a/src/cocoatweet/api/favorite/favorite.h
+++ b/src/cocoatweet/api/favorite/favorite.h
@@ -3,14 +3,15 @@
 
 #include "cocoatweet/api/interface/groupInterface.h"
 #include "cocoatweet/oauth/oauth.h"
+#include <cocoatweet/api/model/tweet.h>
 
 namespace CocoaTweet::API::Favorites {
 class Favorite : public groupInterface {
 public:
   Favorite() = default;
   Favorite(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
-  void Create(const std::string& _id) const;
-  void Destroy(const std::string& _id) const;
+  CocoaTweet::API::Model::Tweet Create(const std::string& _id) const;
+  CocoaTweet::API::Model::Tweet Destroy(const std::string& _id) const;
 };
 } // namespace CocoaTweet::API::Favorites
 
diff --git a/src/cocoatweet/api/interface/httpPost.cc b/src/cocoatweet/api/interface/httpPost.cc
index d320ce3..618d0c4 100644
--- a/src/cocoatweet/api/interface/httpPost.cc
+++ b/src/cocoatweet/api/interface/httpPost.cc
@@ -4,7 +4,7 @@
 #include <memory>
 #include <vector>
 #include <sstream>
-#include <iostream>
+#include <stdexcept>
 extern "C" {
 #include <curl/curl.h>
 }
@@ -31,7 +31,6 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
   auto signature = oauth->signature(sigingParam, "POST", url_);
 
   // 作成した署名をエンドポイントへのパラメータ及びOAuthパラメータに登録
-  std::cout << "signature : " << signature["oauth_signature"] << std::endl;
   oauthParam.merge(signature);
 
   // リクエストボディの構築
@@ -43,7 +42,6 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
     }
     requestBody = CocoaTweet::Util::join(tmp, "&");
   }
-  std::cout << "request Body -> " << requestBody << std::endl;
 
   // ヘッダの構築
   std::string oauthHeader = "authorization: OAuth ";
@@ -54,7 +52,6 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
     }
     oauthHeader += CocoaTweet::Util::join(tmp, ",");
   }
-  std::cout << "OAuth Header -> " << oauthHeader << std::endl;
 
   // do post
   CURL* curl;
@@ -63,15 +60,17 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
   long responseCode;
   curl = curl_easy_init();
   url_ = url_;
-  std::cout << "URL : " << url_ << std::endl;
   if (curl) {
     curl_easy_setopt(curl, CURLOPT_URL, url_.c_str());
     curl_easy_setopt(curl, CURLOPT_POST, 1);
     curl_easy_setopt(curl, CURLOPT_POSTFIELDS, requestBody.c_str());
     curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, requestBody.length());
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curlCallback_);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, (std::string*)&rcv);
+#ifndef NDEBUG
     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+#endif
     // Headerを保持するcurl_slist*を初期化
     struct curl_slist* headers = NULL;
     // Authorizationをヘッダに追加
@@ -83,7 +82,7 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
   }
 
   if (res != CURLE_OK) {
-    std::cout << "curl error : " << res << std::endl;
+    throw std::runtime_error(std::string("INTERNAL ERROR : curl(") + std::to_string(res) + ")");
     exit(1);
   }
 
diff --git a/src/cocoatweet/api/model/tweet.cc b/src/cocoatweet/api/model/tweet.cc
index 3ee397e..3bf3fb7 100644
--- a/src/cocoatweet/api/model/tweet.cc
+++ b/src/cocoatweet/api/model/tweet.cc
@@ -1,10 +1,11 @@
 #include <cocoatweet/api/model/tweet.h>
 #include <cocoatweet/exception/tweetNotFoundException.h>
 #include <cocoatweet/exception/authenticateException.h>
+#include <cocoatweet/exception/tweetDuplicateException.h>
+#include <cocoatweet/exception/tweetTooLongException.h>
+#include <cocoatweet/exception/rateLimitException.h>
 #include "nlohmann/json.hpp"
 
-#include <iostream>
-
 namespace CocoaTweet::API::Model {
 Tweet Tweet::parse(const unsigned int _responseCode, const std::string& _json) {
   auto j = nlohmann::json::parse(_json);
@@ -12,13 +13,22 @@ Tweet Tweet::parse(const unsigned int _responseCode, const std::string& _json) {
 
   if (_responseCode == 200) {
     tweet.id(j["id_str"]);
+    tweet.createdAt(j["created_at"]);
+    tweet.text(j["text"]);
+    tweet.source(j["source"]);
   } else {
     auto error   = j["errors"][0]["code"];
     auto message = j["errors"][0]["message"];
     if (error.get<int>() == 144) {
       throw CocoaTweet::Exception::TweetNotFoundException(message.get<std::string>().c_str());
-    }else if(error.get<int>() == 32){
+    } else if (error.get<int>() == 32) {
       throw CocoaTweet::Exception::AuthenticateException(message.get<std::string>().c_str());
+    } else if (error.get<int>() == 187) {
+      throw CocoaTweet::Exception::TweetDuplicateException(message.get<std::string>().c_str());
+    } else if (error.get<int>() == 88 || error.get<int>() == 185) {
+      throw CocoaTweet::Exception::RateLimitException(message.get<std::string>().c_str());
+    } else if (error.get<int>() == 186) {
+      throw CocoaTweet::Exception::TweetTooLongException(message.get<std::string>().c_str());
     }
   }
 
@@ -29,7 +39,27 @@ void Tweet::id(const std::string _id) {
   id_ = _id;
 }
 
+void Tweet::createdAt(const std::string _at) {
+  createdAt_ = _at;
+}
+
+void Tweet::text(const std::string _text) {
+  text_ = _text;
+}
+void Tweet::source(const std::string _source) {
+  source_ = _source;
+}
+
 const std::string Tweet::id() const {
   return id_;
 }
+const std::string Tweet::createdAt() const {
+  return createdAt_;
+}
+const std::string Tweet::text() const {
+  return text_;
+}
+const std::string Tweet::source() const {
+  return source_;
+}
 } // namespace CocoaTweet::API::Model
diff --git a/src/cocoatweet/api/model/tweet.h b/src/cocoatweet/api/model/tweet.h
index 085362d..ca80b95 100644
--- a/src/cocoatweet/api/model/tweet.h
+++ b/src/cocoatweet/api/model/tweet.h
@@ -12,10 +12,19 @@ public:
       : Tweet(Tweet::parse(_responseCode, _json)) {}
   static Tweet parse(const unsigned int _responseCode, const std::string& _json);
   void id(const std::string _id);
+  void createdAt(const std::string _at);
+  void text(const std::string _text);
+  void source(const std::string _source);
   const std::string id() const;
+  const std::string createdAt() const;
+  const std::string text() const;
+  const std::string source() const;
 
 private:
   std::string id_;
+  std::string createdAt_;
+  std::string text_;
+  std::string source_;
 };
 } // namespace CocoaTweet::API::Model
 
diff --git a/src/cocoatweet/api/status/destroy.cc b/src/cocoatweet/api/status/destroy.cc
index 257e8fb..bee285e 100644
--- a/src/cocoatweet/api/status/destroy.cc
+++ b/src/cocoatweet/api/status/destroy.cc
@@ -1,6 +1,6 @@
 #include "cocoatweet/api/status/destroy.h"
 #include <cocoatweet/api/model/tweet.h>
-#include <iostream>
+
 namespace CocoaTweet::API::Statuses {
 Destroy::Destroy() {}
 void Destroy::id(const std::string _id) {
diff --git a/src/cocoatweet/api/status/status.cc b/src/cocoatweet/api/status/status.cc
index 7ea485d..ce9d288 100644
--- a/src/cocoatweet/api/status/status.cc
+++ b/src/cocoatweet/api/status/status.cc
@@ -1,5 +1,3 @@
-#include <iostream>
-
 #include "cocoatweet/api/status/status.h"
 #include "cocoatweet/api/status/update.h"
 #include "cocoatweet/api/status/destroy.h"
diff --git a/src/cocoatweet/api/status/update.cc b/src/cocoatweet/api/status/update.cc
index af6e04b..e6e8612 100644
--- a/src/cocoatweet/api/status/update.cc
+++ b/src/cocoatweet/api/status/update.cc
@@ -1,5 +1,4 @@
 #include "cocoatweet/api/status/update.h"
-#include <iostream>
 
 namespace CocoaTweet::API::Statuses {
 Update::Update() {
diff --git a/src/cocoatweet/oauth/key.h b/src/cocoatweet/oauth/key.h
index 07aba49..71828e4 100644
--- a/src/cocoatweet/oauth/key.h
+++ b/src/cocoatweet/oauth/key.h
@@ -11,11 +11,7 @@ class Key {
   const std::string accessTokenSecret_;
 
 public:
-  Key()
-      : consumerKey_(""),
-        consumerSecret_(""),
-        accessToken_(""),
-        accessTokenSecret_("") {}
+  Key() : consumerKey_(""), consumerSecret_(""), accessToken_(""), accessTokenSecret_("") {}
   Key(const std::string& _consumerKey, const std::string& _consumerSecret,
       const std::string& _accessToken, const std::string& _accessTokenSecret)
       : consumerKey_(_consumerKey),
diff --git a/src/cocoatweet/oauth/oauth.cc b/src/cocoatweet/oauth/oauth.cc
index 7895229..8224e68 100644
--- a/src/cocoatweet/oauth/oauth.cc
+++ b/src/cocoatweet/oauth/oauth.cc
@@ -7,7 +7,6 @@
 #include <string>
 #include <cstring>
 #include <iterator>
-#include <iostream>
 
 extern "C" {
 #include <openssl/hmac.h>
@@ -26,7 +25,6 @@ std::map<std::string, std::string> OAuth1::signature(
   std::vector<std::string> tmp;
   for (const auto& [key, value] : _param) {
     tmp.push_back(key + "=" + value);
-    std::cout << (key + "=" + value) << std::endl;
   }
 
   std::string query = CocoaTweet::Util::join(tmp, "&");
@@ -36,10 +34,6 @@ std::map<std::string, std::string> OAuth1::signature(
                          CocoaTweet::Util::urlEncode(query);
   auto k64Sha1 = hmacSha1(significateKey, significateBase);
 
-  std::cout << "significate key : " << significateKey << std::endl;
-  std::cout << "significate base : " << significateBase << std::endl;
-  std::cout << "hmac-sha1 : " << k64Sha1 << std::endl;
-
   auto ret = std::map<std::string, std::string>{{"oauth_signature", k64Sha1}};
   return ret;
 }
diff --git a/src/main.cc b/src/main.cc
index 3646a6c..ad29ed3 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -19,7 +19,8 @@ auto main() -> int {
   // CocoaTweet::API::API api(key);
 
   // Now, you can use a twitter api
-  // api.status().Update("Hello Twitter World from Cocoa Twitter Library");
-  // api.favorite().Create("tweet id you want to fav.");
-  // api.favorite().Destroy("tweet id you want to un_fav.");
+  // auto status = api.status().Update("Hello Twitter World via Cocoa Twitter Library");
+  // api.favorite().Create(status.id());
+  // api.favorite().Destroy(status.id());
+  // api.status().Destroy(status.id());
 }
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index fe3c3f1..bdc6ab5 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,4 +1,5 @@
 file(GLOB_RECURSE SOURCES ./*.cc)
+include_directories(${CMAKE_SOURCE_DIR}/third)
 
 foreach(TEST_SOURCE_FILE ${SOURCES})
   file(RELATIVE_PATH SRC_RELPATH ${CMAKE_CURRENT_LIST_DIR} ${TEST_SOURCE_FILE})
diff --git a/test/api/model/tweet.cc b/test/api/model/tweet.cc
new file mode 100644
index 0000000..c7450c7
--- /dev/null
+++ b/test/api/model/tweet.cc
@@ -0,0 +1,96 @@
+#define BOOST_TEST_DYN_LINK
+
+#include <boost/test/included/unit_test.hpp>
+
+#include "nlohmann/json.hpp"
+#include "cocoatweet/api/model/tweet.h"
+#include "cocoatweet/exception/authenticateException.h"
+#include "cocoatweet/exception/rateLimitException.h"
+#include "cocoatweet/exception/tweetTooLongException.h"
+#include "cocoatweet/exception/tweetDuplicateException.h"
+
+BOOST_AUTO_TEST_SUITE(tweet_object)
+BOOST_AUTO_TEST_CASE(test01) {
+  CocoaTweet::API::Model::Tweet tweet;
+
+  BOOST_TEST(tweet.id() == "");
+  BOOST_TEST(tweet.createdAt() == "");
+  BOOST_TEST(tweet.text() == "");
+  BOOST_TEST(tweet.source() == "");
+}
+
+BOOST_AUTO_TEST_CASE(test02) {
+  std::string json = R"({
+    "id_str" : "1234567890",
+    "created_at" : "Thu Mar 04 00:00:00 +0000 2021",
+    "text" : "tweet",
+    "source" : "Twitter for Android"
+  })";
+
+  CocoaTweet::API::Model::Tweet tweet(200, json);
+  BOOST_TEST(tweet.id() == "1234567890");
+  BOOST_TEST(tweet.createdAt() == "Thu Mar 04 00:00:00 +0000 2021");
+  BOOST_TEST(tweet.text() == "tweet");
+  BOOST_TEST(tweet.source() == "Twitter for Android");
+}
+
+BOOST_AUTO_TEST_CASE(test03) {
+  std::string json = R"({
+  "errors" : [{
+    "code" : 32,
+    "message" : "Could not authenticate you."
+    }]
+  })";
+
+  BOOST_CHECK_THROW(CocoaTweet::API::Model::Tweet(401, json),
+                    CocoaTweet::Exception::AuthenticateException);
+}
+
+BOOST_AUTO_TEST_CASE(test04) {
+  std::string json = R"({
+  "errors" : [{
+    "code" : 88,
+    "message" : "Rate limit exceeded."
+    }]
+  })";
+
+  BOOST_CHECK_THROW(CocoaTweet::API::Model::Tweet(429, json),
+                    CocoaTweet::Exception::RateLimitException);
+}
+
+BOOST_AUTO_TEST_CASE(test05) {
+  std::string json = R"({
+  "errors" : [{
+    "code" : 185,
+    "message" : "User is over daily status update limit."
+    }]
+  })";
+
+  BOOST_CHECK_THROW(CocoaTweet::API::Model::Tweet(403, json),
+                    CocoaTweet::Exception::RateLimitException);
+}
+
+BOOST_AUTO_TEST_CASE(test06) {
+  std::string json = R"({
+  "errors" : [{
+    "code" : 186,
+    "message" : "Tweet needs to be a bit shorter."
+    }]
+  })";
+
+  BOOST_CHECK_THROW(CocoaTweet::API::Model::Tweet(403, json),
+                    CocoaTweet::Exception::TweetTooLongException);
+}
+
+BOOST_AUTO_TEST_CASE(test07) {
+  std::string json = R"({
+  "errors" : [{
+    "code" : 187,
+    "message" : "Status is a duplicate."
+    }]
+  })";
+
+  BOOST_CHECK_THROW(CocoaTweet::API::Model::Tweet(403, json),
+                    CocoaTweet::Exception::TweetDuplicateException);
+}
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/test/oauth/key.cc b/test/oauth/key.cc
index c5bd0c7..f03b2b8 100644
--- a/test/oauth/key.cc
+++ b/test/oauth/key.cc
@@ -6,7 +6,7 @@
 
 BOOST_AUTO_TEST_SUITE(oauth_key)
 BOOST_AUTO_TEST_CASE(test01) {
-    CocoaTweet::OAuth::Key key;
+  CocoaTweet::OAuth::Key key;
 
   BOOST_TEST(key.consumerKey() == "");
   BOOST_TEST(key.consumerSecret() == "");
@@ -15,7 +15,8 @@ BOOST_AUTO_TEST_CASE(test01) {
 }
 
 BOOST_AUTO_TEST_CASE(test02) {
-  CocoaTweet::OAuth::Key key("consumerKey", "consumerSecret", "accessToken", "accessTokenSecret");
+  CocoaTweet::OAuth::Key key("consumerKey", "consumerSecret", "accessToken",
+                             "accessTokenSecret");
 
   BOOST_TEST(key.consumerKey() == "consumerKey");
   BOOST_TEST(key.consumerSecret() == "consumerSecret");
@@ -31,5 +32,4 @@ BOOST_AUTO_TEST_CASE(test02) {
   BOOST_TEST(secret.at("oauth_token") == "accessTokenSecret");
 }
 
-
 BOOST_AUTO_TEST_SUITE_END()