added unit testing.

Data.sln

@@ -13,6 +13,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		README.md = README.md
 	EndProjectSection
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PoweredSoft.Data.EntityFrameworkCore.Test", "PoweredSoft.Data.EntityFrameworkCore.Test\PoweredSoft.Data.EntityFrameworkCore.Test.csproj", "{1F0B95F6-2E97-4FC2-A452-F8A071CBEF4B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{78EEC90C-F2C3-4B59-93DA-DE22BFD1FD30}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{78EEC90C-F2C3-4B59-93DA-DE22BFD1FD30}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{78EEC90C-F2C3-4B59-93DA-DE22BFD1FD30}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1F0B95F6-2E97-4FC2-A452-F8A071CBEF4B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1F0B95F6-2E97-4FC2-A452-F8A071CBEF4B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1F0B95F6-2E97-4FC2-A452-F8A071CBEF4B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1F0B95F6-2E97-4FC2-A452-F8A071CBEF4B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PoweredSoft.Data.EntityFrameworkCore.Test/DbContextFactoryPrimaryKeyTests.cs

@@ -0,0 +1,37 @@
+using PoweredSoft.Test.Mock;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace PoweredSoft.Data.EntityFrameworkCore.Test
+{
+    public class DbContextFactoryPrimaryKeyTests
+    {
+        private readonly ITestOutputHelper output;
+
+        public DbContextFactoryPrimaryKeyTests(ITestOutputHelper output)
+        {
+            this.output = output;
+        }
+
+        [Fact]
+        public void Simple()
+        {
+            MockContextFactory.SeedAndTestContextFor("DbContextFactoryPrimaryKeyTests_Simple", TestSeeders.SimpleSeedScenario, ctx =>
+            {
+                var sw = new Stopwatch();
+                sw.Start();
+                var factory = new DbContextFactory(ctx);
+                var keys = factory.GetKeyProperties(typeof(Order));
+                Assert.Single<PropertyInfo>(keys, t => t.Name == "Id");
+                sw.Stop();
+                output.WriteLine($"Stop Watch of success took: {sw.Elapsed}");
+            });
+        }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/Mock/Entities.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+
+namespace PoweredSoft.Test.Mock
+{
+    public class Order
+    {
+        public long Id { get; set; }
+        public long OrderNum { get; set; }
+        public DateTime Date { get; set; }
+        public long CustomerId { get; set; }
+
+        public virtual Customer Customer { get; set; }
+        public ICollection<OrderItem> OrderItems { get; set; } = new HashSet<OrderItem>();
+    }
+
+    public class Customer
+    {
+        public long Id { get; set; }
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+
+
+        public ICollection<Order> Orders { get; set; } = new HashSet<Order>();
+    }
+
+    public class Item
+    {
+        public long Id { get; set; }
+        public string Name { get; set; }
+        public decimal Price { get; set; }
+
+        public virtual ICollection<OrderItem> OrderItems { get; set; } = new HashSet<OrderItem>();
+    }
+        
+    public class OrderItem
+    {
+        public long Id { get; set; }
+        public long Quantity { get; set; }
+        public decimal PriceAtTheTime { get; set; }
+        public long ItemId { get; set; }
+        public long OrderId { get; set; }
+
+        public virtual Item Item { get; set; }
+        public virtual Order Order { get; set; }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/Mock/MockContext.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.EntityFrameworkCore;
+
+namespace PoweredSoft.Test.Mock
+{
+    public class MockContext : DbContext
+    {
+        public virtual DbSet<Customer> Customers { get; set; }
+        public virtual DbSet<Item> Items { get; set; }
+        public virtual DbSet<Order> Orders { get; set; }
+        public virtual DbSet<OrderItem> OrderItems { get; set; }
+        public virtual DbSet<Ticket> Tickets { get; set; }
+
+        public MockContext()
+        {
+
+        }
+
+        public MockContext(DbContextOptions<MockContext> options)
+            : base(options)
+        {
+
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+
+        }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/Mock/MockContextFactory.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;
+using Xunit.Sdk;
+
+namespace PoweredSoft.Test.Mock
+{
+    public static class MockContextFactory
+    {
+        public static void TestContextFor(string testName, Action<MockContext> action)
+        {
+            var options = new DbContextOptionsBuilder<MockContext>().UseInMemoryDatabase(databaseName: testName).Options;
+            using (var ctx = new MockContext(options))
+                action(ctx);
+        }
+
+        public static void SeedAndTestContextFor(string testName, Action<string> seedAction, Action<MockContext> action)
+        {
+            seedAction(testName);
+            TestContextFor(testName, action);
+        }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/Mock/TestSeeders.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Collections.Generic;
+
+namespace PoweredSoft.Test.Mock
+{
+    public static class TestSeeders
+    {
+        public static void SimpleSeedScenario(string testName)
+        {
+            MockContextFactory.TestContextFor(testName, ctx =>
+            {
+                ctx.AddRange(new Customer[]
+                {
+                    new Customer() { Id = 1, FirstName = "David", LastName = "Lebee" },
+                    new Customer() { Id = 2, FirstName = "John", LastName = "Doe" },
+                    new Customer() { Id = 3, FirstName = "Chuck", LastName = "Norris" },
+                    new Customer() { Id = 4, FirstName = "Nelson", LastName = "Mendela" },
+                    new Customer() { Id = 5, FirstName = "Jimi", LastName = "Hendrix" },
+                    new Customer() { Id = 6, FirstName = "Axel", LastName = "Rose" },
+                    new Customer() { Id = 7, FirstName = "John", LastName = "Frusciante" },
+                    new Customer() { Id = 8, FirstName = "Michael", LastName = "Jackson" },
+                    new Customer() { Id = 9, FirstName = "Anita", LastName = "Franklin" },
+                });
+
+                ctx.AddRange(new Item[]
+                {
+                    new Item { Id = 1, Name = "Computer", Price = 1000M },
+                    new Item { Id = 2, Name = "Mice", Price = 25.99M },
+                    new Item { Id = 3, Name = "Keyboard", Price = 100M },
+                    new Item { Id = 4, Name = "Screen", Price = 499.98M },
+                    new Item { Id = 5, Name = "Printer", Price = 230.95M },
+                    new Item { Id = 6, Name = "HDMI Cables", Price = 20M },
+                    new Item { Id = 7, Name = "Power Cables", Price = 5.99M }
+                });
+
+                ctx.Orders.AddRange(new Order[]
+                {
+                    new Order()
+                    {
+                        Id = 1,
+                        OrderNum = 1000,
+                        CustomerId = 1,
+                        Date = new DateTime(2018, 1, 1),
+                        OrderItems = new List<OrderItem>()
+                        {
+                            new OrderItem() { Id = 1, ItemId = 1, PriceAtTheTime = 1000M, Quantity = 1 },
+                            new OrderItem() { Id = 2, ItemId = 2, PriceAtTheTime =  30M, Quantity = 1 },
+                            new OrderItem() { Id = 3, ItemId = 4, PriceAtTheTime =  399.99M, Quantity = 2 },
+                            new OrderItem() { Id = 4, ItemId = 6, PriceAtTheTime = 20, Quantity = 2 },
+                            new OrderItem() { Id = 8, ItemId = 6, PriceAtTheTime = 3.99M, Quantity = 3 }
+                        } 
+                    },
+                    new Order()
+                    {
+                        Id = 2,
+                        OrderNum = 1001,
+                        CustomerId = 2,
+                        Date = new DateTime(2018, 2, 1),
+                        OrderItems = new List<OrderItem>()
+                        {
+                            new OrderItem() { Id = 9, ItemId = 6, PriceAtTheTime = 20, Quantity = 2 },
+                            new OrderItem() { Id = 10, ItemId = 6, PriceAtTheTime = 3.99M, Quantity = 3 }
+                        }
+                    },
+                    new Order()
+                    {
+                        Id = 3,
+                        OrderNum = 1002,
+                        CustomerId = 3,
+                        Date = new DateTime(2018, 2, 1),
+                        OrderItems = new List<OrderItem>()
+                        {
+                            new OrderItem() { Id = 11, ItemId = 5, PriceAtTheTime = 499.99M, Quantity = 1 },
+                            new OrderItem() { Id = 12, ItemId = 6, PriceAtTheTime = 20, Quantity = 1 },
+                            new OrderItem() { Id = 13, ItemId = 7, PriceAtTheTime = 3.99M, Quantity = 1 }
+                        }
+                    },
+                    new Order()
+                    {
+                        Id = 4,
+                        OrderNum = 1003,
+                        CustomerId = 1,
+                        Date = new DateTime(2018, 3, 1),
+                        OrderItems = new List<OrderItem>()
+                        {
+                            new OrderItem() { Id = 14, ItemId = 2, PriceAtTheTime = 50M, Quantity = 1 },
+                            new OrderItem() { Id = 15, ItemId = 3, PriceAtTheTime = 75.50M, Quantity = 1 },
+                        }
+                    }
+                });
+
+                ctx.SaveChanges();
+            });
+        }
+
+        internal static void SeedTicketScenario(string testName)
+        {
+            MockContextFactory.TestContextFor(testName, ctx =>
+            {
+                var faker = new Bogus.Faker<Ticket>()
+                    .RuleFor(t => t.TicketType, (f, u) => f.PickRandom("new", "open", "refused", "closed"))
+                    .RuleFor(t => t.Title, (f, u) => f.Lorem.Sentence())
+                    .RuleFor(t => t.Details, (f, u) => f.Lorem.Paragraph())
+                    .RuleFor(t => t.IsHtml, (f, u) => false)
+                    .RuleFor(t => t.TagList, (f, u) => string.Join(",", f.Commerce.Categories(3)))
+                    .RuleFor(t => t.CreatedDate, (f, u) => f.Date.Recent(100))
+                    .RuleFor(t => t.Owner, (f, u) => f.Person.FullName)
+                    .RuleFor(t => t.AssignedTo, (f, u) => f.Person.FullName)
+                    .RuleFor(t => t.TicketStatus, (f, u) => f.PickRandom(1, 2, 3))
+                    .RuleFor(t => t.LastUpdateBy, (f, u) => f.Person.FullName)
+                    .RuleFor(t => t.LastUpdateDate, (f, u) => f.Date.Soon(5))
+                    .RuleFor(t => t.Priority, (f, u) => f.PickRandom("low", "medium", "high", "critical"))
+                    .RuleFor(t => t.AffectedCustomer, (f, u) => f.PickRandom(true, false))
+                    .RuleFor(t => t.Version, (f, u) => f.PickRandom("1.0.0", "1.1.0", "2.0.0"))
+                    .RuleFor(t => t.ProjectId, (f, u) => f.Random.Number(100))
+                    .RuleFor(t => t.DueDate, (f, u) => f.Date.Soon(5))
+                    .RuleFor(t => t.EstimatedDuration, (f, u) => f.Random.Number(20))
+                    .RuleFor(t => t.ActualDuration, (f, u) => f.Random.Number(20))
+                    .RuleFor(t => t.TargetDate, (f, u) => f.Date.Soon(5))
+                    .RuleFor(t => t.ResolutionDate, (f, u) => f.Date.Soon(5))
+                    .RuleFor(t => t.Type, (f, u) => f.PickRandom(1, 2, 3))
+                    .RuleFor(t => t.ParentId, () => 0)
+                    .RuleFor(t => t.PreferredLanguage, (f, u) => f.PickRandom("fr", "en", "es"))
+                ;
+
+                var fakeModels = new List<Ticket>();
+                for (var i = 0; i < 500; i++)
+                {
+                    var t = faker.Generate();
+                    t.TicketId = i + 1;
+                    fakeModels.Add(t);
+                }
+
+                ctx.AddRange(fakeModels);
+                ctx.SaveChanges();
+            });
+        }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/Mock/Ticket.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PoweredSoft.Test.Mock
+{
+    public class Ticket
+    {
+        public int TicketId { get; set; }
+        public string TicketType { get; set; }
+        public string Title { get; set; }
+        public string Details { get; set; }
+        public bool IsHtml { get; set; }
+        public string TagList { get; set; }
+        public DateTimeOffset CreatedDate { get; set; }
+        public string Owner { get; set; }
+        public string AssignedTo { get; set; }
+        public int TicketStatus { get; set; }
+        public DateTimeOffset CurrentStatusDate { get; set; }
+        public string CurrentStatusSetBy { get; set; }
+        public string LastUpdateBy { get; set; }
+        public DateTimeOffset LastUpdateDate { get; set; }
+        public string Priority { get; set; }
+        public bool AffectedCustomer { get; set; }
+        public string Version { get; set; }
+        public int ProjectId { get; set; }
+        public DateTimeOffset DueDate { get; set; }
+        public decimal EstimatedDuration { get; set; }
+        public decimal ActualDuration { get; set; }
+        public DateTimeOffset TargetDate { get; set; }
+        public DateTimeOffset ResolutionDate { get; set; }
+        public int Type { get; set; }
+        public int ParentId { get; set; }
+        public string PreferredLanguage { get; set; }
+    }
+}

PoweredSoft.Data.EntityFrameworkCore.Test/PoweredSoft.Data.EntityFrameworkCore.Test.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Bogus" Version="24.3.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.1.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="xunit" Version="2.3.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PoweredSoft.Data.EntityFrameworkCore\PoweredSoft.Data.EntityFrameworkCore.csproj" />
+  </ItemGroup>
+
+</Project>