WIP adding BenchmarkDotNet

Author: mitch-b

.vscode/launch.json

@@ -11,6 +11,17 @@
       "cwd": "${workspaceFolder}/src/ConsoleApp",
       "stopAtEntry": false,
       "console": "internalConsole"
+    },
+    {
+      "name": "Benchmark",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "build:release",
+      "program": "${workspaceFolder}/src/ConsoleApp/bin/Release/net9.0/ConsoleApp.dll",
+      "args": [ "--benchmark", "true" ],
+      "cwd": "${workspaceFolder}/src/ConsoleApp",
+      "stopAtEntry": false,
+      "console": "internalConsole"
     }
   ]
 }

.vscode/tasks.json

@@ -12,6 +12,20 @@
         "/consoleloggerparameters:NoSummary;ForceNoAlign"
       ],
       "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "build:release",
+      "command": "dotnet",
+      "type": "process",
+      "args": [
+        "build",
+        "${workspaceFolder}/src/dotnet-basic-console.sln",
+        "-c",
+        "Release",
+        "/property:GenerateFullPaths=true",
+        "/consoleloggerparameters:NoSummary;ForceNoAlign"
+      ],
+      "problemMatcher": "$msCompile"
     }
   ]
 }

src/ConsoleApp/BenchmarkService.cs

@@ -0,0 +1,29 @@
+using BenchmarkDotNet.Attributes;
+using ConsoleApp.Models.Configuration;
+using ConsoleApp.Services;
+using Microsoft.Extensions.Options;
+
+namespace ConsoleApp;
+
+public class BenchmarkService(
+    IDemoService demoService, 
+    IOptions<ConsoleAppSettings> options)
+{
+    private readonly IDemoService _demoService = demoService;
+    private readonly IOptions<ConsoleAppSettings> _options = options;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        // initialize things in class if needed
+    }
+
+    [Benchmark]
+    public void WriteWelcomeMessage()
+    {
+        for (var i = 0; i < 100; i++)
+        {
+            _demoService.WriteWelcomeMessage();
+        }
+    }
+}

src/ConsoleApp/Program.cs

@@ -9,6 +9,7 @@
 using Microsoft.Identity.Client;
 using Serilog;
 using OpenTelemetry.Logs;
+using BenchmarkDotNet.Running;
 
 var builder = Host.CreateDefaultBuilder(args)
     .ConfigureAppConfiguration((hostContext, configBuilder) =>
@@ -54,4 +55,13 @@
 
 using var host = builder.Build();
 
-await host.RunAsync();
+var configuration = host.Services.GetRequiredService<IConfiguration>();
+
+if (configuration.GetValue<bool?>("benchmark") == true)
+{
+    BenchmarkRunner.Run<BenchmarkService>();
+}
+else
+{
+    await host.RunAsync();
+}

src/ConsoleApp/Services/ClientCredentialService.cs

@@ -4,13 +4,13 @@
 
 namespace ConsoleApp.Services;
 
-internal interface IClientCredentialService
+public interface IClientCredentialService
 {
     Task<AuthenticationResult?> GetAuthenticationResult(IEnumerable<string>? scopes = null);
     Task<string> GetAccessToken(IEnumerable<string>? scopes = null);
 }
 
-internal class ClientCredentialService(ILogger<ClientCredentialService> logger,
+public class ClientCredentialService(ILogger<ClientCredentialService> logger,
         IOptions<ConfidentialClientApplicationOptions> confidentialClientApplicationOptions) : IClientCredentialService
 {
     private readonly ILogger<ClientCredentialService> _logger = logger;

src/ConsoleApp/Services/DemoService.cs

@@ -6,13 +6,13 @@
 
 namespace ConsoleApp.Services;
 
-internal interface IDemoService
+public interface IDemoService
 {
     void WriteWelcomeMessage();
     Task<string> MakeGraphApiCall();
 }
 
-internal class DemoService(ILogger<DemoService> logger,
+public class DemoService(ILogger<DemoService> logger,
         IClientCredentialService clientCredentialService,
         IOptions<ConsoleAppSettings> consoleAppSettings,
         IHttpClientFactory httpClientFactory) : IDemoService