move cartservice tests (#322)

src/cartservice/.dockerignore

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+**/*.sh
+**/*.bat
+tests/

src/cartservice/tests/.gitignore

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+/bin/*
+/obj/*
+/.vs/*

src/cartservice/tests/CartServiceTests.cs

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+// Copyright 2018 Google LLC
+//
+// 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.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Hipstershop;
+using Xunit;
+using static Hipstershop.CartService;
+
+namespace cartservice
+{
+    public class E2ETests
+    {
+        private static string serverHostName = "localhost";
+        private static int port = 7070;
+
+        [Fact]
+        public async Task GetItem_NoAddItemBefore_EmptyCartReturned()
+        {
+            string userId = Guid.NewGuid().ToString();
+
+            // Construct server's Uri
+            string targetUri = $"{serverHostName}:{port}";
+
+            // Create a GRPC communication channel between the client and the server
+            var channel = new Channel(targetUri, ChannelCredentials.Insecure);
+
+            var client = new CartServiceClient(channel);
+
+            var request = new GetCartRequest
+            {
+                UserId = userId,
+            };
+
+            var cart = await client.GetCartAsync(request);
+            Assert.NotNull(cart);
+
+            // All grpc objects implement IEquitable, so we can compare equality with by-value semantics
+            Assert.Equal(new Cart(), cart);
+        }
+
+        [Fact]
+        public async Task AddItem_ItemExists_Updated()
+        {
+            string userId = Guid.NewGuid().ToString();
+
+            // Construct server's Uri
+            string targetUri = $"{serverHostName}:{port}";
+
+            // Create a GRPC communication channel between the client and the server
+            var channel = new Channel(targetUri, ChannelCredentials.Insecure);
+            
+            var client = new CartServiceClient(channel);
+            var request = new AddItemRequest
+            {
+                UserId = userId,
+                Item = new CartItem
+                {
+                    ProductId = "1",
+                    Quantity = 1
+                }
+            };
+
+            // First add - nothing should fail
+            await client.AddItemAsync(request);
+
+            // Second add of existing product - quantity should be updated
+            await client.AddItemAsync(request);
+            
+            var getCartRequest = new GetCartRequest
+            {
+                UserId = userId
+            };
+            var cart = await client.GetCartAsync(getCartRequest);
+            Assert.NotNull(cart);
+            Assert.Equal(userId, cart.UserId);
+            Assert.Single(cart.Items);
+            Assert.Equal(2, cart.Items[0].Quantity);
+
+            // Cleanup
+            await client.EmptyCartAsync(new EmptyCartRequest{ UserId = userId });
+        }
+
+        [Fact]
+        public async Task AddItem_New_Inserted()
+        {
+            string userId = Guid.NewGuid().ToString();
+
+            // Construct server's Uri
+            string targetUri = $"{serverHostName}:{port}";
+
+            // Create a GRPC communication channel between the client and the server
+            var channel = new Channel(targetUri, ChannelCredentials.Insecure);
+            
+            // Create a proxy object to work with the server
+            var client = new CartServiceClient(channel);
+
+            var request = new AddItemRequest
+            {
+                UserId = userId,
+                Item = new CartItem
+                {
+                    ProductId = "1",
+                    Quantity = 1
+                }
+            };
+
+            await client.AddItemAsync(request);
+
+            var getCartRequest = new GetCartRequest
+            {
+                UserId = userId
+            };
+            var cart = await client.GetCartAsync(getCartRequest);
+            Assert.NotNull(cart);
+            Assert.Equal(userId, cart.UserId);
+            Assert.Single(cart.Items);
+
+            await client.EmptyCartAsync(new EmptyCartRequest{ UserId = userId });
+            cart = await client.GetCartAsync(getCartRequest);
+            Assert.Empty(cart.Items);
+        }
+    }
+}

src/cartservice/tests/cartservice.tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Google.Protobuf" Version="3.6.0" />
+    <PackageReference Include="Google.Protobuf.Tools" Version="3.6.0" />
+    <PackageReference Include="Grpc" Version="1.12.0" />
+    <PackageReference Include="Grpc.Tools" Version="1.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
+    <PackageReference Include="xunit" Version="2.3.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+    <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\cartservice\cartservice.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="xunit.runner.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

src/cartservice/tests/cartservice.tests.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ShowAllFiles>true</ShowAllFiles>
+  </PropertyGroup>
+</Project>