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internal/CalculatorUnitTests/Mocks/CurrencyHttpClient.cpp

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+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#pragma once
+
+#include "pch.h"
+#include "CurrencyHttpClient.h"
+
+#include "CalcViewModel\Common\NetworkManager.h"
+
+using namespace CalculatorApp::DataLoaders;
+using namespace Platform;
+using namespace Windows::Foundation;
+using namespace Windows::System::UserProfile;
+using namespace Windows::Web::Http;
+
+// Generic responses so unit tests will pass.
+static constexpr auto STATIC_DATA_RESPONSE = LR"([{"CountryCode":"USA","CountryName":"United States","CurrencyCode":"USD","CurrencyName":"Dollar","CurrencySymbol":"$"},{"CountryCode":"EUR","CountryName":"Europe","CurrencyCode":"EUR","CurrencyName":"Euro","CurrencySymbol":"€"}])";
+static constexpr auto ALL_RATIOS_RESPONSE = LR"([{"An":"USD","Ch":0,"Pc":0,"Rt":1},{"An":"EUR","Ch":0.003803,"Pc":0.4149,"Rt":0.920503,"Yh":0.9667,"Yl":0.86701}])";
+
+CurrencyHttpClient::CurrencyHttpClient()
+{
+}
+
+String^ CurrencyHttpClient::GetRawStaticDataResponse()
+{
+    return StringReference(STATIC_DATA_RESPONSE);
+}
+
+String^ CurrencyHttpClient::GetRawAllRatiosDataResponse()
+{
+    return StringReference(ALL_RATIOS_RESPONSE);
+}
+
+IAsyncOperationWithProgress<String^, HttpProgress>^ CurrencyHttpClient::GetCurrencyMetadata()
+{
+    return ref new MockAsyncOperationWithProgress(StringReference(STATIC_DATA_RESPONSE));
+}
+
+IAsyncOperationWithProgress<String^, HttpProgress>^ CurrencyHttpClient::GetCurrencyRatios()
+{
+    return ref new MockAsyncOperationWithProgress(StringReference(ALL_RATIOS_RESPONSE));
+}
+
+MockAsyncOperationWithProgress::MockAsyncOperationWithProgress(String^ result) :
+    m_result(result)
+{
+}
+
+HResult MockAsyncOperationWithProgress::ErrorCode::get()
+{
+    HResult okayResult;
+    okayResult.Value = S_OK;
+    return okayResult;
+}
+

internal/CalculatorUnitTests/Mocks/CurrencyHttpClient.h

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+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#pragma once
+
+#include "CalcViewModel\DataLoaders\ICurrencyHttpClient.h"
+
+namespace CalculatorApp
+{
+    namespace DataLoaders
+    {
+        class CurrencyHttpClient : public ICurrencyHttpClient
+        {
+        public:
+            CurrencyHttpClient();
+
+            static Platform::String^ GetRawStaticDataResponse();
+            static Platform::String^ GetRawAllRatiosDataResponse();
+
+            // ICurrencyHttpClient
+            void SetSourceCurrencyCode(Platform::String^ sourceCurrencyCode) override {}
+            void SetResponseLanguage(Platform::String^ responseLanguage) override {}
+
+            virtual Windows::Foundation::IAsyncOperationWithProgress<Platform::String^, Windows::Web::Http::HttpProgress>^ GetCurrencyMetadata() override;
+            virtual Windows::Foundation::IAsyncOperationWithProgress<Platform::String^, Windows::Web::Http::HttpProgress>^ GetCurrencyRatios() override;
+            // ICurrencyHttpClient
+        };
+
+        public ref class MockAsyncOperationWithProgress sealed :
+            public Windows::Foundation::IAsyncOperationWithProgress<Platform::String^, Windows::Web::Http::HttpProgress>
+        {
+        public:
+            MockAsyncOperationWithProgress(Platform::String^ result);
+
+            // IAsyncInfo
+            virtual property Windows::Foundation::HResult ErrorCode
+            {
+                Windows::Foundation::HResult get();
+            }
+
+            virtual property unsigned int Id
+            {
+                unsigned int get() { return 128u; }
+            }
+
+            virtual property Windows::Foundation::AsyncStatus Status
+            {
+                Windows::Foundation::AsyncStatus get() { return Windows::Foundation::AsyncStatus::Completed; }
+            }
+
+            virtual void Cancel() {}
+            virtual void Close() {}
+            // IAsyncInfo
+
+            // IAsyncOperationWithProgress
+            virtual property Windows::Foundation::AsyncOperationProgressHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ Progress
+            {
+                Windows::Foundation::AsyncOperationProgressHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ get() { return nullptr; }
+                void set(Windows::Foundation::AsyncOperationProgressHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ handler) {}
+            }
+
+            virtual property Windows::Foundation::AsyncOperationWithProgressCompletedHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ Completed
+            {
+                Windows::Foundation::AsyncOperationWithProgressCompletedHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ get() { return nullptr; }
+                void set(Windows::Foundation::AsyncOperationWithProgressCompletedHandler<Platform::String^, Windows::Web::Http::HttpProgress>^ handler) {}
+            }
+
+            virtual Platform::String^ GetResults() { return m_result; }
+            // IAsyncOperationWithProgress
+
+        private:
+            Platform::String^ m_result;
+        };
+    }
+}