I'm working on the UsersRepository

userValidotor has been added and tests are being developed

Govor.API.Tests/Govor.API.Tests.csproj

@@ -9,8 +9,12 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="AutoFixture" Version="5.0.0-preview0012" />
         <PackageReference Include="coverlet.collector" Version="6.0.2" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.6" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.6" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+        <PackageReference Include="Moq" Version="4.20.72" />
         <PackageReference Include="NUnit" Version="4.2.2" />
         <PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
@@ -20,4 +24,14 @@
         <Using Include="NUnit.Framework" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="IntegrationTests\Controllers\" />
+      <Folder Include="UnitTests\Infrastructure\" />
+      <Folder Include="UnitTests\Services\" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Govor.Data\Govor.Data.csproj" />
+    </ItemGroup>
+
 </Project>

Govor.API.Tests/IntegrationTests/EF/Repositories/UsersRepositoryTests.cs

@@ -0,0 +1,57 @@
+using AutoFixture;
+using Govor.Core.Infrastructure.Validators;
+using Govor.Core.Models;
+using Govor.Data;
+using Govor.Data.Repositories;
+using Microsoft.EntityFrameworkCore;
+
+namespace Govor.API.Tests.IntegrationTests.EF.Repositories;
+
+[TestFixture]
+public class UsersRepositoryTests
+{
+    private Fixture _fixture;
+    private DbContextOptions<GovorDbContext> _options;
+    private readonly IObjectValidator<User> _userValidator = new UserValidator();
+    
+    [SetUp]
+    public void SetUp()
+    {
+        _fixture = new Fixture();
+        
+        _fixture.Behaviors
+            .OfType<ThrowingRecursionBehavior>()
+            .ToList()
+            .ForEach(b => _fixture.Behaviors.Remove(b));
+
+        _fixture.Behaviors.Add(new OmitOnRecursionBehavior());
+        
+        _options = new DbContextOptionsBuilder<GovorDbContext>()
+            .UseInMemoryDatabase(databaseName: "DbGovor")
+            .Options;
+    }
+
+    [Test]
+    public async Task GetAll_Then_Returns_All_Users()
+    {
+        // Arrange
+        var random = new Random();
+        var users = _fixture.CreateMany<User>(random.Next(2, 10)).ToList();
+        
+        await using var context = new GovorDbContext(_options);
+        var userRepository = new UsersRepository(context, _userValidator);
+        
+        context.Users.AddRange(users);
+        await context.SaveChangesAsync();
+        
+        // Act 
+        
+        var result = await userRepository.GetAll();
+        
+        // Assert 
+        Assert.That(result, Is.Not.Null);
+        Assert.That(result.Count, Is.EqualTo(users.Count));
+        Assert.That(result.Select(u => u.Id), Is.EquivalentTo(users.Select(u => u.Id)));
+        Assert.That(result.Select(u => u.Username), Is.EquivalentTo(users.Select(u => u.Username)));
+    } 
+}

Govor.API.Tests/UnitTest1.cs

@@ -1,15 +0,0 @@
-namespace Govor.API.Tests;
-
-public class Tests
-{
-    [SetUp]
-    public void Setup()
-    {
-    }
-
-    [Test]
-    public void Test1()
-    {
-        Assert.Pass();
-    }
-}

Govor.API/Govor.API.csproj

@@ -23,7 +23,6 @@
 
     <ItemGroup>
       <Folder Include="Controllers\" />
-      <Folder Include="Hubs\" />
       <Folder Include="Services\" />
     </ItemGroup>
 

Govor.API/Hubs/ChatsHub.cs

@@ -0,0 +1,8 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace Govor.API.Hubs;
+
+public class ChatsHub : Hub
+{
+    
+}

Govor.API/Hubs/UsersHub.cs

@@ -0,0 +1,8 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace Govor.API.Hubs;
+
+public class UsersHub : Hub
+{
+    
+}

Govor.Core/Govor.Core.csproj

@@ -8,7 +8,6 @@
 
     <ItemGroup>
       <Folder Include="DTOs\" />
-      <Folder Include="Infrastructure\" />
     </ItemGroup>
 
 </Project>

Govor.Core/GovorCoreException.cs

@@ -0,0 +1,15 @@
+namespace Govor.Core;
+
+/// <summary>
+/// Base exception class for Govor solutions 
+/// </summary>
+public class GovorCoreException : Exception
+{
+    public GovorCoreException() { }
+    
+    public GovorCoreException(string message) 
+        : base(message) { }
+    
+    public GovorCoreException(string message, Exception innerException)
+        : base(message, innerException) { }
+}

Govor.Core/Infrastructure/Validators/IObjectValidator.cs

@@ -0,0 +1,9 @@
+namespace Govor.Core.Infrastructure.Validators;
+
+public interface IObjectValidator<T>
+{
+    void Validate(T objectToValidate);
+    bool TryValidate(T objectToValidate);
+}
+
+class InvalidObjectException<T>(Exception ex) : GovorCoreException($"The object {typeof(T).FullName} is invalid.", ex);

Govor.Core/Infrastructure/Validators/UserValidator.cs

@@ -0,0 +1,39 @@
+using Govor.Core.Models;
+using ArgumentNullException = System.ArgumentNullException;
+
+namespace Govor.Core.Infrastructure.Validators;
+
+public class UserValidator : IObjectValidator<User>
+{
+    public void Validate(User user)
+    {
+        try
+        {
+            if (user is null)
+                throw new ArgumentNullException(nameof(user));
+            if(user.Id == Guid.Empty)
+                throw new ArgumentException("User ID cannot be empty", nameof(user.Id));
+            if(user.HashPassword is null || user.HashPassword == string.Empty)
+                throw new ArgumentException("Password cannot be empty", nameof(user.HashPassword));
+            if(user.CreatedOn == DateTime.MinValue)
+                throw new ArgumentException("Time of creation account cannot be empty", nameof(user.CreatedOn));
+        }
+        catch(Exception ex) 
+        {
+            throw new InvalidObjectException<User>(ex);
+        }
+    }
+
+    public bool TryValidate(User objectToValidate)
+    {
+        try
+        {
+            Validate(objectToValidate);
+            return true;
+        }
+        catch (InvalidObjectException<User> ex)
+        {
+            return false;
+        }
+    }
+}

Govor.Data/Repositories/UsersRepository.cs

@@ -1,13 +1,26 @@
+using Govor.Core.Infrastructure.Validators;
 using Govor.Core.Models;
 using Govor.Core.Repositories;
+using Microsoft.EntityFrameworkCore;
 
 namespace Govor.Data.Repositories;
 
 public class UsersRepository : IUsersRepository
 {
-    public Task<IEnumerable<User>> GetAll()
+    private GovorDbContext _context;
+    private IObjectValidator<User> _validator;
+    public UsersRepository(GovorDbContext context, IObjectValidator<User> validator)
     {
-        throw new NotImplementedException();
+        _context = context;
+        _validator = validator;
+    }
+    
+    public async Task<IEnumerable<User>> GetAll()
+    {
+        return await _context.Users
+            .AsNoTracking()
+            .Where(x => true)
+            .ToListAsync();
     }
 
     public Task<User> FindById(Guid id)

Govor.sln

@@ -10,6 +10,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Govor.Data", "Govor.Data\Go
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Govor.Console", "Govor.Console\Govor.Console.csproj", "{F4535DC3-BDFB-4EB2-B259-F92B6BBB535B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{4ED5259A-6FB4-4D89-8E6B-4778DC68F7D4}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{114F53C1-B0AB-4BA0-9E36-0E811D1B3776}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -38,5 +42,10 @@ Global
 		{F4535DC3-BDFB-4EB2-B259-F92B6BBB535B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
+		{15031CBD-F319-4755-BA91-B86F20BD8E37} = {4ED5259A-6FB4-4D89-8E6B-4778DC68F7D4}
+		{EA8F272F-4276-438A-9DEA-C58860A440AE} = {114F53C1-B0AB-4BA0-9E36-0E811D1B3776}
+		{F4535DC3-BDFB-4EB2-B259-F92B6BBB535B} = {114F53C1-B0AB-4BA0-9E36-0E811D1B3776}
+		{F7BB1EC7-63D6-4525-ADE4-E4AC937E219D} = {114F53C1-B0AB-4BA0-9E36-0E811D1B3776}
+		{E4EDB179-7EB5-468D-9C1F-0CBE2E5E459E} = {114F53C1-B0AB-4BA0-9E36-0E811D1B3776}
 	EndGlobalSection
 EndGlobal