.

readme.md

@@ -5,10 +5,10 @@ Source File: /readme.source.md
 To change this file edit the source file and then run MarkdownSnippets.
 -->
 
-# <img src="/src/icon.png" height="30px"> Verify.Web
+# <img src="/src/icon.png" height="30px"> Verify.EntityFramework
 
-[![Build status](https://ci.appveyor.com/api/projects/status/eedjhmx5o3082tyq?svg=true)](https://ci.appveyor.com/project/SimonCropp/verify-web)
-[![NuGet Status](https://img.shields.io/nuget/v/Verify.Web.svg)](https://www.nuget.org/packages/Verify.Web/)
+[![Build status](https://ci.appveyor.com/api/projects/status/eedjhmx5o3082tyq?svg=true)](https://ci.appveyor.com/project/SimonCropp/verify-entityframework)
+[![NuGet Status](https://img.shields.io/nuget/v/Verify.EntityFramework.svg)](https://www.nuget.org/packages/Verify.EntityFramework/)
 
 Extends [Verify](https://github.com/SimonCropp/Verify) to allow verification of web bits.
 
@@ -17,13 +17,12 @@ Extends [Verify](https://github.com/SimonCropp/Verify) to allow verification of
 ## Contents
 
   * [Usage](#usage)
-    * [Controller](#controller)
-    * [Middleware](#middleware)<!-- endtoc -->
+    * [Controller](#controller)<!-- endtoc -->
 
 
 ## NuGet package
 
-https://nuget.org/packages/Verify.Web/
+https://nuget.org/packages/Verify.EntityFramework/
 
 
 ## Usage
@@ -33,7 +32,7 @@ Enable VerifyWeb once at assembly load time:
 <!-- snippet: Enable -->
 <a id='snippet-enable'/></a>
 ```cs
-VerifyWeb.Enable();
+VerifyEntityFramework.Enable();
 ```
 <sup><a href='/src/Tests/GlobalSetup.cs#L9-L11' title='File snippet `enable` was extracted from'>snippet source</a> | <a href='#snippet-enable' title='Navigate to start of snippet `enable`'>anchor</a></sup>
 <!-- endsnippet -->
@@ -43,182 +42,18 @@ VerifyWeb.Enable();
 
 Given the following controller:
 
-<!-- snippet: MyController.cs -->
-<a id='snippet-MyController.cs'/></a>
-```cs
-using System.Collections.Generic;
-using Microsoft.AspNetCore.Mvc;
-
-public class MyController :
-    Controller
-{
-    public ActionResult<List<DataItem>> Method(string input)
-    {
-        var headers = HttpContext.Response.Headers;
-        headers.Add("headerKey", "headerValue");
-        headers.Add("receivedInput", input);
-
-        var cookies = HttpContext.Response.Cookies;
-        cookies.Append("cookieKey", "cookieValue");
-
-        var items = new List<DataItem>
-        {
-            new DataItem("Value1"),
-            new DataItem("Value2")
-        };
-        return new ActionResult<List<DataItem>>(items);
-    }
-
-    public class DataItem
-    {
-        public string Value { get; }
-
-        public DataItem(string value)
-        {
-            Value = value;
-        }
-    }
-}
-```
-<sup><a href='/src/Tests/Snippets/MyController.cs#L1-L33' title='File snippet `MyController.cs` was extracted from'>snippet source</a> | <a href='#snippet-MyController.cs' title='Navigate to start of snippet `MyController.cs`'>anchor</a></sup>
-<!-- endsnippet -->
+//snippet: MyController.cs
 
 This test:
 
-<!-- snippet: MyControllerTest -->
-<a id='snippet-mycontrollertest'/></a>
-```cs
-[Fact]
-public Task Test()
-{
-    var context = new ControllerContext
-    {
-        HttpContext = new DefaultHttpContext()
-    };
-    var controller = new MyController
-    {
-        ControllerContext = context
-    };
-
-    var result = controller.Method("inputValue");
-    return Verify(
-        new
-        {
-            result,
-            context
-        });
-}
-```
-<sup><a href='/src/Tests/Snippets/MyControllerTests.cs#L11-L32' title='File snippet `mycontrollertest` was extracted from'>snippet source</a> | <a href='#snippet-mycontrollertest' title='Navigate to start of snippet `mycontrollertest`'>anchor</a></sup>
-<!-- endsnippet -->
+//snippet: MyControllerTest
 
 Will result in the following verified file:
 
-<!-- snippet: MyControllerTests.Test.verified.txt -->
-<a id='snippet-MyControllerTests.Test.verified.txt'/></a>
-```txt
-{
-  result: [
-    {
-      Value: 'Value1'
-    },
-    {
-      Value: 'Value2'
-    }
-  ],
-  context: {
-    Headers: {
-      headerKey: 'headerValue',
-      receivedInput: 'inputValue'
-    },
-    Cookies: {
-      cookieKey: 'cookieValue'
-    }
-  }
-}
-```
-<sup><a href='/src/Tests/Snippets/MyControllerTests.Test.verified.txt#L1-L19' title='File snippet `MyControllerTests.Test.verified.txt` was extracted from'>snippet source</a> | <a href='#snippet-MyControllerTests.Test.verified.txt' title='Navigate to start of snippet `MyControllerTests.Test.verified.txt`'>anchor</a></sup>
-<!-- endsnippet -->
+//snippet: MyControllerTests.Test.verified.txt
 
 
 
-### Middleware
-
-Given the following middleware:
-
-<!-- snippet: MyMiddleware.cs -->
-<a id='snippet-MyMiddleware.cs'/></a>
-```cs
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http;
-
-public class MyMiddleware
-{
-    RequestDelegate next;
-
-    public MyMiddleware(RequestDelegate next)
-    {
-        this.next = next;
-    }
-
-    public async Task Invoke(HttpContext context)
-    {
-        context.Response.Headers.Add("headerKey", "headerValue");
-        await next(context);
-    }
-}
-```
-<sup><a href='/src/Tests/Snippets/MyMiddleware.cs#L1-L18' title='File snippet `MyMiddleware.cs` was extracted from'>snippet source</a> | <a href='#snippet-MyMiddleware.cs' title='Navigate to start of snippet `MyMiddleware.cs`'>anchor</a></sup>
-<!-- endsnippet -->
-
-This test:
-
-<!-- snippet: MyMiddlewareTest -->
-<a id='snippet-mymiddlewaretest'/></a>
-```cs
-[Fact]
-public async Task Test()
-{
-    var nextCalled = false;
-    var middleware = new MyMiddleware(
-        _ =>
-        {
-            nextCalled = true;
-            return Task.CompletedTask;
-        });
-
-    var context = new DefaultHttpContext();
-    await middleware.Invoke(context);
-
-    await Verify(
-        new
-        {
-            context.Response,
-            nextCalled
-        });
-}
-```
-<sup><a href='/src/Tests/Snippets/MyMiddlewareTests.cs#L10-L32' title='File snippet `mymiddlewaretest` was extracted from'>snippet source</a> | <a href='#snippet-mymiddlewaretest' title='Navigate to start of snippet `mymiddlewaretest`'>anchor</a></sup>
-<!-- endsnippet -->
-
-Will result in the following verified file:
-
-<!-- snippet: MyMiddlewareTests.Test.verified.txt -->
-<a id='snippet-MyMiddlewareTests.Test.verified.txt'/></a>
-```txt
-{
-  Response: {
-    Headers: {
-      headerKey: 'headerValue'
-    }
-  },
-  nextCalled: true
-}
-```
-<sup><a href='/src/Tests/Snippets/MyMiddlewareTests.Test.verified.txt#L1-L8' title='File snippet `MyMiddlewareTests.Test.verified.txt` was extracted from'>snippet source</a> | <a href='#snippet-MyMiddlewareTests.Test.verified.txt' title='Navigate to start of snippet `MyMiddlewareTests.Test.verified.txt`'>anchor</a></sup>
-<!-- endsnippet -->
-
-
 ## Icon
 
 [Spider](https://thenounproject.com/term/spider/904683/) designed by [marialuisa iborra](https://thenounproject.com/marialuisa.iborra/) from [The Noun Project](https://thenounproject.com/creativepriyanka).

src/Tests/GlobalSetup.cs

@@ -1,4 +1,4 @@
-using Verify.Web;
+using Verify.EntityFramework;
 using Xunit;
 
 [GlobalSetUp]
@@ -7,7 +7,7 @@ public static class GlobalSetup
     public static void Setup()
     {
         #region Enable
-        VerifyWeb.Enable();
+        VerifyEntityFramework.Enable();
         #endregion
     }
 }

src/Tests/Snippets/DbContextBuilder.cs

@@ -0,0 +1,70 @@
+using System.Threading.Tasks;
+using EfLocalDb;
+
+// LocalDb is used to make the sample simpler.
+// Replace with a real DbContext
+public static class DbContextBuilder
+{
+    static DbContextBuilder()
+    {
+        sqlInstance = new SqlInstance<SampleDbContext>(
+            buildTemplate: CreateDb,
+            constructInstance: builder => new SampleDbContext(builder.Options));
+    }
+
+    static SqlInstance<SampleDbContext> sqlInstance;
+
+    static async Task CreateDb(SampleDbContext context)
+    {
+        await context.Database.EnsureCreatedAsync();
+
+        var company1 = new Company
+        {
+            Id = 1,
+            Content = "Company1"
+        };
+        var employee1 = new Employee
+        {
+            Id = 2,
+            CompanyId = company1.Id,
+            Content = "Employee1",
+            Age = 25
+        };
+        var employee2 = new Employee
+        {
+            Id = 3,
+            CompanyId = company1.Id,
+            Content = "Employee2",
+            Age = 31
+        };
+        var company2 = new Company
+        {
+            Id = 4,
+            Content = "Company2"
+        };
+        var employee4 = new Employee
+        {
+            Id = 5,
+            CompanyId = company2.Id,
+            Content = "Employee4",
+            Age = 34
+        };
+        var company3 = new Company
+        {
+            Id = 6,
+            Content = "Company3"
+        };
+        var company4 = new Company
+        {
+            Id = 7,
+            Content = "Company4"
+        };
+        context.AddRange(company1, employee1, employee2, company2, company3, company4, employee4);
+        await context.SaveChangesAsync();
+    }
+
+    public static Task<SqlDatabase<SampleDbContext>> GetDatabase(string suffix)
+    {
+        return sqlInstance.Build(suffix);
+    }
+}

src/Tests/Snippets/MyController.cs

@@ -1,33 +0,0 @@
-using System.Collections.Generic;
-using Microsoft.AspNetCore.Mvc;
-
-public class MyController :
-    Controller
-{
-    public ActionResult<List<DataItem>> Method(string input)
-    {
-        var headers = HttpContext.Response.Headers;
-        headers.Add("headerKey", "headerValue");
-        headers.Add("receivedInput", input);
-
-        var cookies = HttpContext.Response.Cookies;
-        cookies.Append("cookieKey", "cookieValue");
-
-        var items = new List<DataItem>
-        {
-            new DataItem("Value1"),
-            new DataItem("Value2")
-        };
-        return new ActionResult<List<DataItem>>(items);
-    }
-
-    public class DataItem
-    {
-        public string Value { get; }
-
-        public DataItem(string value)
-        {
-            Value = value;
-        }
-    }
-}

src/Tests/Snippets/MyControllerTests.cs

@@ -1,38 +0,0 @@
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
-using VerifyXunit;
-using Xunit;
-using Xunit.Abstractions;
-
-public class MyControllerTests :
-    VerifyBase
-{
-    #region MyControllerTest
-    [Fact]
-    public Task Test()
-    {
-        var context = new ControllerContext
-        {
-            HttpContext = new DefaultHttpContext()
-        };
-        var controller = new MyController
-        {
-            ControllerContext = context
-        };
-
-        var result = controller.Method("inputValue");
-        return Verify(
-            new
-            {
-                result,
-                context
-            });
-    }
-    #endregion
-
-    public MyControllerTests(ITestOutputHelper output) :
-        base(output)
-    {
-    }
-}

src/Tests/Snippets/Usage.cs

@@ -0,0 +1,24 @@
+using System.Threading.Tasks;
+using VerifyXunit;
+using Xunit;
+using Xunit.Abstractions;
+
+public class Usage :
+    VerifyBase
+{
+    #region MyControllerTest
+    [Fact]
+    public async Task ChangeTracked()
+    {
+        var database = await DbContextBuilder.GetDatabase("ChangeTracked");
+        var employee = await database.Context.Employees.FindAsync(3);
+        employee.Age++;
+        await Verify(database.Context);
+    }
+    #endregion
+
+    public Usage(ITestOutputHelper output) :
+        base(output)
+    {
+    }
+}

src/Tests/Tests.cs

@@ -1,29 +1,9 @@
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Authentication;
-using Microsoft.AspNetCore.Mvc;
-using VerifyXunit;
-using Xunit;
+using VerifyXunit;
 using Xunit.Abstractions;
 
 public class Tests :
     VerifyBase
 {
-
-    [Fact]
-    public Task ChallengeResult()
-    {
-        var result = new ChallengeResult(
-            "scheme",
-            new AuthenticationProperties(
-                new Dictionary<string, string>
-                {
-                    {"key", "value"}
-                }));
-        return VerifyResult(result);
-    }
-
-
     public Tests(ITestOutputHelper output) :
         base(output)
     {

src/Tests/Tests.csproj

@@ -16,4 +16,9 @@
     <PackageReference Include="ProjectDefaults" Version="1.0.40" PrivateAssets="All" />
     <ProjectReference Include="..\Verify.EntityFramework\Verify.EntityFramework.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <None Update="Snippets\Usage.Test.verified.txt">
+      <DependentUpon>Usage.cs</DependentUpon>
+    </None>
+  </ItemGroup>
 </Project>

src/Verify.EntityFramework/Converters/EntityEntryConverter.cs

@@ -1,11 +1,14 @@
-using Newtonsoft.Json;
-using Verify;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.ChangeTracking;
+using Newtonsoft.Json;
+using Verify;
 
-class EntityEntryConverter :
-    WriteOnlyJsonConverter<EntityEntry>
+class DbContextConverter :
+    WriteOnlyJsonConverter<DbContext>
 {
-    public override void WriteJson(JsonWriter writer, EntityEntry? context, JsonSerializer serializer)
+    public override void WriteJson(JsonWriter writer, DbContext? context, JsonSerializer serializer)
     {
         if (context == null)
         {
@@ -14,9 +17,22 @@ class EntityEntryConverter :
 
         writer.WriteStartObject();
 
-        //HttpResponseConverter.WriteProperties(writer, serializer, response);
+        foreach (var entry in context.ChangeTracker.Entries()
+            .Where(x => x.State != EntityState.Unchanged))
+        {
+            foreach (var property in entry.ChangedProperties())
+            {
+                writer.WritePropertyName(property.Metadata.Name);
+                serializer.Serialize(
+                    writer,
+                    new
+                    {
+                        Original = property.OriginalValue,
+                        Current = property.CurrentValue,
+                    });
+            }
+        }
 
         writer.WriteEndObject();
     }
-
 }

src/Verify.EntityFramework/Extensions.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
+
+static class Extensions
+{
+    public static IEnumerable<PropertyEntry> ChangedProperties(this EntityEntry entry)
+    {
+        return entry.Properties
+            .Where(x => x.IsModified);
+    }
+
+}

src/Verify.EntityFramework/VerifyEntityFramework.cs

@@ -9,7 +9,7 @@
                 settings.AddExtraSettings(serializer =>
                 {
                     var converters = serializer.Converters;
-                    converters.Add(new EntityEntryConverter());
+                    converters.Add(new DbContextConverter());
                 });
             });
         }