Add tests for directory structure

Author: izzat5233

RealTimeWeatherMonitoringTest/Presentation/DirectoryStructureShould.cs

@@ -0,0 +1,28 @@
+using System.Reflection;
+using FluentAssertions;
+using RealTimeWeatherMonitoringApp.Application.Interfaces;
+using RealTimeWeatherMonitoringApp.Presentation.Utility;
+using Xunit;
+
+namespace RealTimeWeatherMonitoringTest.Presentation;
+
+public class DirectoryStructureShould
+{
+    [Fact]
+    public void IParsingStrategyImplementations_ResideInParsersDirectory()
+    {
+        foreach (var type in GetImplementationsOfGenericInterface(typeof(IParsingStrategy<>)))
+        {
+            type.Namespace.Should().NotBeNull()
+                .And.StartWith(Configuration.ParsersNamespace,
+                    "because all IParsingStrategy implementations should reside in the Parsers directory");
+        }
+    }
+
+    private static IEnumerable<Type> GetImplementationsOfGenericInterface(Type genericInterfaceType)
+    {
+        return Assembly.GetAssembly(genericInterfaceType)!.GetTypes()
+            .Where(t => !t.IsAbstract && t.GetInterfaces()
+                .Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == genericInterfaceType));
+    }
+}