work

src/DDDDemo.sln

@@ -1,6 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# 
+#
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VegetableShop.Domain", "VegetableShop.Domain\VegetableShop.Domain.csproj", "{9EE77ACA-9351-46CF-B55B-CE76EFBCDB04}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VegetableShop.API.IntegrationTests", "VegetableShop.API.IntegrationTests\VegetableShop.API.IntegrationTests.csproj", "{7D802ED7-C73C-437B-A91E-BA013939AF7C}"
@@ -11,6 +11,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VegetableShop.API", "Vegeta
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VegetableShop.Domain.AcceptanceTests", "VegetableShop.Domain.AcceptanceTests\VegetableShop.Domain.AcceptanceTests.csproj", "{BADB4EB0-3817-4114-B256-8162B76C86A3}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "_tests", "_tests", "{54A647A6-A4DA-450B-9C0F-4A4912D5B229}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -42,4 +44,8 @@ Global
 		{BADB4EB0-3817-4114-B256-8162B76C86A3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BADB4EB0-3817-4114-B256-8162B76C86A3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{BADB4EB0-3817-4114-B256-8162B76C86A3} = {54A647A6-A4DA-450B-9C0F-4A4912D5B229}
+		{7D802ED7-C73C-437B-A91E-BA013939AF7C} = {54A647A6-A4DA-450B-9C0F-4A4912D5B229}
+	EndGlobalSection
 EndGlobal

src/VegetableShop.API.IntegrationTests/ConsumerServicesTests.cs

@@ -1,5 +1,6 @@
 using Microsoft.Extensions.Logging.Abstractions;
 using VegetableShop.API.Services;
+using VegetableShop.Domain.Model;
 using VegetableShop.Infrastructure.Persistence;
 using Xunit;
 
@@ -8,18 +9,28 @@ namespace VegetableShop.API.IntegrationTests
     public class ConsumersServicesTests
     {
         private readonly ConsumerServices _consumerServices;
+        private readonly ConsumerRepositoryImpl _consumerRepository;
+        private readonly FarmerRepositoryImpl _farmerRepository;
+        private readonly VegetableRepositoryImpl _vegetableRepository;
+        private readonly Context _context;
 
         public ConsumersServicesTests()
         {
             var loggerFactory = new NullLoggerFactory();
-            var consumerRepository = new ConsumerRepositoryImpl(loggerFactory);
-            var farmerRepository = new FarmerRepositoryImpl(loggerFactory);
-            var vegetableRepositoryImpl = new VegetableRepositoryImpl();
+            _context = new Context(loggerFactory);
+            _consumerRepository = new ConsumerRepositoryImpl(_context);
+            _farmerRepository = new FarmerRepositoryImpl(_context);
+            _vegetableRepository = new VegetableRepositoryImpl(_context);
             
             _consumerServices = new ConsumerServices(loggerFactory,
-                consumerRepository,
-                farmerRepository, 
-                vegetableRepositoryImpl);
+                _consumerRepository,
+                _farmerRepository, 
+                _vegetableRepository);
+            
+            // Initialize test data
+            _context.Consumers.Add(1L, new Consumer(loggerFactory));
+            _context.Farmers.Add(1L, new Farmer(loggerFactory));
+            _context.Vegetables.Add(1L, new Vegetable("carrot"));
         }
 
         [Fact]

src/VegetableShop.API.IntegrationTests/FarmerServicesTests.cs

@@ -14,8 +14,9 @@ namespace VegetableShop.API.IntegrationTests
         public FarmerServicesTests()
         {
             var loggerFactory = new NullLoggerFactory();
-            var vegetableRepository = new VegetableRepositoryImpl();
-            _farmerRepository = new FarmerRepositoryImpl(loggerFactory);
+            var context = new Context(loggerFactory);
+            var vegetableRepository = new VegetableRepositoryImpl(context);
+            _farmerRepository = new FarmerRepositoryImpl(context);
             _farmerServices = new FarmerServices(loggerFactory, _farmerRepository, vegetableRepository);
         }
 

src/VegetableShop.API/Program.cs

@@ -32,21 +32,22 @@ namespace VegetableShop.API
         private Program()
         {
             var loggerFactory = SetupLogging();
+            var context = new Context(loggerFactory);
 
-            ConsumerRepository consumerRepository = new ConsumerRepositoryImpl(loggerFactory);
-            FarmerRepository farmerRepository = new FarmerRepositoryImpl(loggerFactory);
-            VegetableRepository vegetableRepository = new VegetableRepositoryImpl();
+            ConsumerRepository consumerRepository = new ConsumerRepositoryImpl(context);
+            FarmerRepository farmerRepository = new FarmerRepositoryImpl(context);
+            VegetableRepository vegetableRepository = new VegetableRepositoryImpl(context);
 
             _consumerServices = new ConsumerServices(loggerFactory,
                 consumerRepository,
-                farmerRepository, 
-                vegetableRepository);
-            
-            _farmerServices = new FarmerServices(loggerFactory, 
                 farmerRepository,
                 vegetableRepository);
 
-            DomainEvents.AddObserver(new LogItemOnFarmerPutOnSaleEvent(_loggerFactory));
+            _farmerServices = new FarmerServices(loggerFactory,
+                farmerRepository,
+                vegetableRepository);
+
+            DomainEvents.AddObserver(new LogItemOnFarmerPutOnSaleEvent(loggerFactory));
         }
 
         private void Run()
@@ -56,7 +57,7 @@ namespace VegetableShop.API
             _consumerServices.BuyVegetables(1, 1, 1, 10);
         }
 
-        public static void Main(string[] args)
+        public static void Main()
         {
             new Program().Run();
         }

src/VegetableShop.Domain.UnitTests/LogItemOnFarmerPutOnSaleEventTest.cs

@@ -0,0 +1,31 @@
+using FakeItEasy;
+using Microsoft.Extensions.Logging;
+using VegetableShop.Domain.Events;
+using VegetableShop.Domain.Model;
+using Xunit;
+
+namespace VegetableShop.Domain.UnitTests
+{
+    public class LogItemOnFarmerPutOnSaleEventTest
+    {
+        private readonly LogItemOnFarmerPutOnSaleEvent _handler;
+        private readonly ILogger<LogItemOnFarmerPutOnSaleEvent> _logger;
+
+        public LogItemOnFarmerPutOnSaleEventTest()
+        {
+            _logger = A.Fake<ILogger<LogItemOnFarmerPutOnSaleEvent>>();
+            _handler = new LogItemOnFarmerPutOnSaleEvent(_logger);
+        }
+        
+        [Fact]
+        public void Test1()
+        {
+            var evt = new FarmerPutOnSaleEvent(1L, A.Fake<Vegetable>(), new Price());
+            _handler.Handle(evt);
+
+            A.CallTo(() => _logger.LogInformation(default))
+                .WithAnyArguments()
+                .MustHaveHappenedOnceExactly();
+        }
+    }
+}

src/VegetableShop.Domain.UnitTests/VegetableShop.Domain.UnitTests.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="FakeItEasy" Version="6.0.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+        <PackageReference Include="xunit" Version="2.4.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+        <PackageReference Include="coverlet.collector" Version="1.2.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\VegetableShop.Domain\VegetableShop.Domain.csproj" />
+    </ItemGroup>
+
+</Project>

src/VegetableShop.Domain/Errors/UnauthorizedSaleException.cs

@@ -5,9 +5,9 @@ namespace VegetableShop.Domain.Errors
 {
     public class UnauthorizedSaleException : Exception
     {
-        public UnauthorizedSaleException(Farmer farmer, Vegetable vegetable)
+        public UnauthorizedSaleException(Farmer farmer, Vegetable vegetable) :
+            base($"Unauthorized sale of {vegetable} for {farmer}")
         {
-            throw new NotImplementedException();
         }
     }
 }

src/VegetableShop.Infrastructure/Persistence/ConsumerRepositoryImpl.cs

@@ -1,22 +1,17 @@
-using System.Collections.Generic;
-using Microsoft.Extensions.Logging;
 using VegetableShop.Domain.Model;
 using VegetableShop.Domain.Repositories;
 
 namespace VegetableShop.Infrastructure.Persistence
 {
-    public class ConsumerRepositoryImpl: ConsumerRepository
+    public class ConsumerRepositoryImpl : ConsumerRepository
     {
-        private readonly Dictionary<long, Consumer> _consumers;
+        private readonly Context _context;
 
-        public ConsumerRepositoryImpl(ILoggerFactory loggerFactory)
+        public ConsumerRepositoryImpl(Context context)
         {
-            _consumers = new Dictionary<long, Consumer>
-            {
-                { 1L, new Consumer(loggerFactory) }
-            };
+            _context = context;
         }
 
-        public Consumer GetById(in long consumerId) => _consumers[consumerId];
+        public Consumer GetById(in long consumerId) => _context.Consumers[consumerId];
     }
 }

src/VegetableShop.Infrastructure/Persistence/Context.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using Microsoft.Extensions.Logging;
+using VegetableShop.Domain.Model;
+
+namespace VegetableShop.Infrastructure.Persistence
+{
+    public class Context
+    {
+        public Dictionary<long, Consumer> Consumers { get; }
+        public Dictionary<long, Farmer> Farmers { get; }
+        public Dictionary<long, Vegetable> Vegetables { get; }
+
+        public Context(ILoggerFactory loggerFactory)
+        {
+            Consumers = new Dictionary<long, Consumer> {
+                { 1L, new Consumer(loggerFactory) }
+            };
+            Farmers = new Dictionary<long, Farmer> {
+                { 1L, new Farmer(loggerFactory) }
+            };
+            Vegetables = new Dictionary<long, Vegetable> {
+                { 1L, new Vegetable("carrot") }
+            };;
+        }
+    }
+}

src/VegetableShop.Infrastructure/Persistence/FarmerRepositoryImpl.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using Microsoft.Extensions.Logging;
 using VegetableShop.Domain.Model;
 using VegetableShop.Domain.Repositories;
 
@@ -7,19 +5,12 @@ namespace VegetableShop.Infrastructure.Persistence
 {
     public class FarmerRepositoryImpl: FarmerRepository
     {
-        private readonly ILoggerFactory _loggerFactory;
-        
-        public FarmerRepositoryImpl(ILoggerFactory loggerFactory)
+        private readonly Context _context;
+
+        public FarmerRepositoryImpl(Context context)
         {
-            _loggerFactory = loggerFactory;
-            _farmers = new Dictionary<long, Farmer>
-            {
-                { 1L, new Farmer(_loggerFactory) }
-            };
+            _context = context;
         }
-
-        private readonly Dictionary<long, Farmer> _farmers;
-
-        public Farmer GetById(in long farmerId) => _farmers[farmerId];
+        public Farmer GetById(in long farmerId) => _context.Farmers[farmerId];
     }
 }

src/VegetableShop.Infrastructure/Persistence/VegetableRepositoryImpl.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using VegetableShop.Domain.Model;
 using VegetableShop.Domain.Repositories;
 
@@ -6,10 +5,13 @@ namespace VegetableShop.Infrastructure.Persistence
 {
     public class VegetableRepositoryImpl: VegetableRepository
     {
-        private readonly Dictionary<long, Vegetable> _vegetables = new Dictionary<long, Vegetable>
+        private readonly Context _context;
+
+        public VegetableRepositoryImpl(Context context)
         {
-            { 1L, new Vegetable("carrot") }
-        };
-        public Vegetable GetById(in long vegetableId) => _vegetables[vegetableId];
+            _context = context;
+        }
+        
+        public Vegetable GetById(in long vegetableId) => _context.Vegetables[vegetableId];
     }
 }