800 add example with graphql

NBomber.sln

@@ -23,6 +23,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GrpcClient", "examples\Grpc
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BookstoreSimulator", "examples\BookstoreSimulator\BookstoreSimulator.csproj", "{BB8FF9AE-4D47-47E7-9B22-F3ABDFDE28D1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GraphQLServerSimulator", "examples\GraphQLServerSimulator\GraphQLServerSimulator.csproj", "{26A207DB-5268-4C0E-B92F-72005815AC4A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -129,6 +131,18 @@ Global
 		{BB8FF9AE-4D47-47E7-9B22-F3ABDFDE28D1}.Release|x64.Build.0 = Release|Any CPU
 		{BB8FF9AE-4D47-47E7-9B22-F3ABDFDE28D1}.Release|x86.ActiveCfg = Release|Any CPU
 		{BB8FF9AE-4D47-47E7-9B22-F3ABDFDE28D1}.Release|x86.Build.0 = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|x64.Build.0 = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Debug|x86.Build.0 = Debug|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|x64.ActiveCfg = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|x64.Build.0 = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|x86.ActiveCfg = Release|Any CPU
+		{26A207DB-5268-4C0E-B92F-72005815AC4A}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -142,6 +156,7 @@ Global
 		{D4E6343A-1042-CDB6-308D-6C1662607E77} = {B20C9B19-52F5-4AF1-B41D-D01294BEC6C9}
 		{EBBD9F26-59E7-0C55-0059-93AD3EB3469A} = {B20C9B19-52F5-4AF1-B41D-D01294BEC6C9}
 		{BB8FF9AE-4D47-47E7-9B22-F3ABDFDE28D1} = {B20C9B19-52F5-4AF1-B41D-D01294BEC6C9}
+		{26A207DB-5268-4C0E-B92F-72005815AC4A} = {B20C9B19-52F5-4AF1-B41D-D01294BEC6C9}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C7E9329B-84FE-436E-8A44-26D8176C5C6F}

examples/Demo/GraphQL/GraphQLExample.cs

@@ -0,0 +1,47 @@
+using NBomber.CSharp;
+using NBomber.Http.CSharp;
+using System.Text;
+using System.Text.Json;
+
+namespace Demo.GraphQL;
+
+class GraphQLExample
+{
+    public void Run()
+    {
+        // For this example, you'll need to start the GraphQLServerSimulator, which is located in the examples/simulators solution folder.
+        // Make sure it’s running before executing the client tests to ensure proper communication.
+
+        var httpClient = new HttpClient();
+
+        var scenario = Scenario.Create("graphql_scenario", async context =>
+        {
+            var queryObject = new
+            {
+                query = @"
+                  query {
+                    users(where: { age: { gt: 20 } }) {
+                      name
+                      age
+                      role {
+                        name
+                      }
+                    }
+                  }
+                "
+            };
+            string jsonQuery = JsonSerializer.Serialize(queryObject);
+
+            var request = Http.CreateRequest("POST", "http://localhost:5088/graphql")
+                .WithBody(new StringContent(jsonQuery, Encoding.UTF8, "application/json"));
+
+            return await Http.Send(httpClient, request);
+        })
+        .WithoutWarmUp()
+        .WithLoadSimulations(Simulation.KeepConstant(1, TimeSpan.FromSeconds(30)));
+
+        NBomberRunner
+            .RegisterScenarios(scenario)
+            .Run();
+    }
+}

examples/Demo/Program.cs

@@ -33,11 +33,12 @@
 using Demo.AMQP;
 using Demo.AMQP.ClientPool;
 using Demo.AMQP.IndependentActors;
+using Demo.GraphQL;
 
 // -------------------------------
 // ----- Hello World examples -----
 // -------------------------------
-new HelloWorldExample().Run();
+//new HelloWorldExample().Run();
 // new ScenarioWithInit().Run();
 // new ScenarioWithSteps().Run();
 // new StepsShareData().Run();
@@ -134,6 +135,11 @@
 // ----------------
 // new GrpcExample().Run();
 
+// ----------------
+// ---- GraphQL ---
+// ----------------
+new GraphQLExample().Run();
+
 // ----------------
 // ----- Db -------
 // ----------------

examples/GraphQLServerSimulator/Contracts/Role.cs

@@ -0,0 +1,8 @@
+namespace GraphQLServer.Contracts;
+
+public class Role
+{
+    public int Id { get; set; }
+    public string Name { get; set; }
+    public ICollection<User> Users { get; set; }
+}

examples/GraphQLServerSimulator/Contracts/User.cs

@@ -0,0 +1,11 @@
+namespace GraphQLServer.Contracts;
+
+public class User
+{
+    public int Id { get; set; }
+    public string Name { get; set; }
+    public string Country { get; set; }
+    public int Age { get; set; }
+    public int RoleId { get; set; }
+    public Role Role { get; set; }
+}

examples/GraphQLServerSimulator/Data/DbInitializer.cs

@@ -0,0 +1,29 @@
+using Bogus;
+using GraphQLServer.Contracts;
+
+namespace GraphQLServer.Data;
+
+public static class DbInitializer
+{
+    public static void Initialize(UserDbContext context)
+    {
+        if (context.Users.Any())
+            return;
+
+        var roleAdmin = new Role { Name = "Admin" };
+        var roleGuest = new Role { Name = "Guest" };
+
+        var testUsers = new Faker<User>()
+            .RuleFor(u => u.Name, f => f.Name.FullName())
+            .RuleFor(u => u.Country, f => f.Address.Country())
+            .RuleFor(u => u.Age, f => f.Random.Int(1, 100))
+            .RuleFor(u => u.RoleId, f => f.Random.Int(1, 2));
+
+        testUsers.GenerateBetween(100, 100);
+
+        context.Roles.AddRange(roleAdmin, roleGuest);
+        context.Users.AddRange(testUsers.GenerateBetween(100, 1000));
+
+        context.SaveChanges();
+    }
+}

examples/GraphQLServerSimulator/Data/Extensions.cs

@@ -0,0 +1,15 @@
+namespace GraphQLServer.Data;
+
+public static class Extensions
+{
+    public static void CreateDbIfNotExists(this IHost host)
+    {
+        using (var scope = host.Services.CreateScope())
+        {
+            var services = scope.ServiceProvider;
+            var context = services.GetRequiredService<UserDbContext>();
+            context.Database.EnsureCreated();
+            DbInitializer.Initialize(context);
+        }
+    }
+}

examples/GraphQLServerSimulator/Data/UserDbContext.cs

@@ -0,0 +1,23 @@
+using GraphQLServer.Contracts;
+using Microsoft.EntityFrameworkCore;
+
+namespace GraphQLServer.Data;
+
+public class UserDbContext : DbContext
+{
+    public DbSet<User> Users => Set<User>();
+    public DbSet<Role> Roles => Set<Role>();
+
+    public UserDbContext(DbContextOptions<UserDbContext> options) : base(options) { }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<User>()
+            .HasOne(u => u.Role)
+            .WithMany(r => r.Users)
+            .HasForeignKey(u => u.RoleId)
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}

examples/GraphQLServerSimulator/GraphQLServerSimulator.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Bogus" Version="35.6.3" />
+    <PackageReference Include="HotChocolate.AspNetCore" Version="15.1.3" />
+    <PackageReference Include="HotChocolate.Data" Version="15.1.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.4" />
+  </ItemGroup>
+
+</Project>

examples/GraphQLServerSimulator/Program.cs

@@ -0,0 +1,22 @@
+using GraphQLServer;
+using GraphQLServer.Data;
+using Microsoft.EntityFrameworkCore;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddDbContext<UserDbContext>(options =>
+    options.UseInMemoryDatabase("UserDb"))
+    .AddLogging(Console.WriteLine);
+
+builder.Services
+    .AddGraphQLServer()
+    .AddQueryType<Query>()
+    .AddFiltering();
+
+var app = builder.Build();
+
+app.CreateDbIfNotExists();
+
+app.MapGraphQL();
+
+app.Run();

examples/GraphQLServerSimulator/Properties/launchSettings.json

@@ -0,0 +1,13 @@
+{
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchUrl": "weatherforecast",
+      "applicationUrl": "http://localhost:5088",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

examples/GraphQLServerSimulator/Query.cs

@@ -0,0 +1,11 @@
+using GraphQLServer.Contracts;
+using GraphQLServer.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace GraphQLServer;
+
+public class Query
+{
+    [UseFiltering]
+    public IQueryable<User> GetUsers(UserDbContext dbContext) => dbContext.Users.Include(u => u.Role);
+}

examples/GraphQLServerSimulator/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

examples/GraphQLServerSimulator/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}