Merge pull request #13 from wemogy/main

Release

src/Wemogy.Configuration.Tests/ConfigurationExtensionsTests.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.Extensions.Configuration;
+using Xunit;
+
+namespace Wemogy.Configuration.Tests;
+
+public class ConfigurationExtensionsTests
+{
+    [Fact]
+    public void GetRequiredValue_ThrowsException_WhenKeyIsMissing()
+    {
+        // Arrange
+        var configuration = new ConfigurationBuilder().Build();
+
+        // Act
+        void Act() => configuration.GetRequiredValue("MissingKey");
+
+        // Assert
+        Assert.Throws<InvalidOperationException>((Action)Act);
+    }
+
+    [Fact]
+    public void GetRequiredValue_ReturnsValue_WhenKeyIsPresent()
+    {
+        // Arrange
+        var configuration = new ConfigurationBuilder()
+            .AddInMemoryCollection(new[]
+            {
+                new KeyValuePair<string, string>("ExistingKey", "ExistingValue")
+            })
+            .Build();
+
+        // Act
+        var value = configuration.GetRequiredValue("ExistingKey");
+
+        // Assert
+        Assert.Equal("ExistingValue", value);
+    }
+}

src/Wemogy.Configuration/ConfigurationExtensions.cs

@@ -0,0 +1,20 @@
+using System;
+using Microsoft.Extensions.Configuration;
+
+namespace Wemogy.Configuration
+{
+    public static class ConfigurationExtensions
+    {
+        public static string GetRequiredValue(this IConfiguration configuration, string key)
+        {
+            var value = configuration[key];
+
+            if (string.IsNullOrWhiteSpace(value))
+            {
+                throw new InvalidOperationException($"Configuration value for key '{key}' is required.");
+            }
+
+            return value;
+        }
+    }
+}

src/Wemogy.Configuration/ConfigurationFactory.cs

@@ -33,7 +33,7 @@ public static IConfiguration BuildConfiguration(HostBuilderContext hostingContex
         /// 4. Environment Variables
         /// </summary>
         /// <returns>Built configuration</returns>
-        public static IConfiguration BuildConfiguration(string environmentName = null)
+        public static IConfiguration BuildConfiguration(string? environmentName = null)
         {
             return new ConfigurationBuilder()
                 .AddDefaultJsonFiles(environmentName)

src/Wemogy.Configuration/Wemogy.Configuration.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <PropertyGroup>