Initial commit: SWP.Core enterprise framework with multi-tenant architecture, configuration management, security, telemetry and comprehensive test suite

Tests/CommandQueryHandlerTests/ResponseTests.cs

@@ -0,0 +1,53 @@
+using Newtonsoft.Json;
+using Shouldly;
+using SWP.Core.CommandQueries;
+
+namespace SWP.Core.X.TDD.CommandQueryHandlerTests;
+
+[TestClass]
+public class ProblemDetailsTests
+{
+    [TestMethod]
+    public void TestFormatOfProblemDetails()
+    {
+        // Arrange
+        var problemDetails = new ProblemDetails
+        {
+            Type = "https://example.com/errors/invalid-input",
+            Title = "Invalid Input",
+            Status = 400,
+            Detail = "The request body is invalid.",
+            Instance = "/api/users"
+        };
+
+        problemDetails.AddExtension("invalidFields", new[]
+        {
+            new { Field = "name", Message = "The 'name' field is required." },
+            new { Field = "email", Message = "The 'email' field must be a valid email address." }
+        });
+
+        var json = JsonConvert.SerializeObject(problemDetails, Formatting.Indented);
+
+        var expectedJson = """
+                           {
+                             "Type": "https://example.com/errors/invalid-input",
+                             "Title": "Invalid Input",
+                             "Status": 400,
+                             "Detail": "The request body is invalid.",
+                             "Instance": "/api/users",
+                             "invalidFields": [
+                               {
+                                 "Field": "name",
+                                 "Message": "The 'name' field is required."
+                               },
+                               {
+                                 "Field": "email",
+                                 "Message": "The 'email' field must be a valid email address."
+                               }
+                             ]
+                           }
+                           """;
+
+        json.ShouldBe(expectedJson);
+    }
+}