Restore IsContextConfigured and following unit test assertions

* Removing this was technically a breaking change

Signed-off-by: Kyle Julian <[email protected]>

src/OpenFeature.Hosting/OpenFeatureBuilder.cs

@@ -11,6 +11,13 @@ public class OpenFeatureBuilder(IServiceCollection services)
     /// <summary> The services being configured. </summary>
     public IServiceCollection Services { get; } = services;
 
+    /// <summary>
+    /// Indicates whether the evaluation context has been configured.
+    /// This property is used to determine if specific configurations or services
+    /// should be initialized based on the presence of an evaluation context.
+    /// </summary>
+    public bool IsContextConfigured { get; internal set; }
+
     /// <summary>
     /// Indicates whether the policy has been configured.
     /// </summary>

src/OpenFeature.Hosting/OpenFeatureBuilderExtensions.cs

@@ -40,6 +40,7 @@ public static OpenFeatureBuilder AddContext(this OpenFeatureBuilder builder, Act
         Guard.ThrowIfNull(builder);
         Guard.ThrowIfNull(configure);
 
+        builder.IsContextConfigured = true;
         builder.Services.TryAddTransient(provider =>
         {
             var contextBuilder = EvaluationContext.Builder();

test/OpenFeature.Hosting.Tests/OpenFeatureBuilderExtensionsTests.cs

@@ -28,6 +28,7 @@ public void AddContext_Delegate_ShouldAddServiceToCollection(bool useServiceProv
 
         // Assert
         Assert.Equal(_systemUnderTest, featureBuilder);
+        Assert.True(_systemUnderTest.IsContextConfigured, "The context should be configured.");
         Assert.Single(_services, serviceDescriptor =>
             serviceDescriptor.ServiceType == typeof(EvaluationContext) &&
             serviceDescriptor.Lifetime == ServiceLifetime.Transient);
@@ -51,6 +52,7 @@ public void AddContext_Delegate_ShouldCorrectlyHandles(bool useServiceProviderDe
         var context = serviceProvider.GetService<EvaluationContext>();
 
         // Assert
+        Assert.True(_systemUnderTest.IsContextConfigured, "The context should be configured.");
         Assert.NotNull(context);
         Assert.True(delegateCalled, "The delegate should be invoked.");
     }
@@ -76,6 +78,7 @@ public void AddProvider_ShouldAddProviderToCollection(int providerRegistrationTy
         };
 
         // Assert
+        Assert.False(_systemUnderTest.IsContextConfigured, "The context should not be configured.");
         Assert.Equal(expectsDefaultProvider, _systemUnderTest.HasDefaultProvider);
         Assert.False(_systemUnderTest.IsPolicyConfigured, "The policy should not be configured.");
         Assert.Equal(expectsDomainBoundProvider, _systemUnderTest.DomainBoundProviderRegistrationCount);
@@ -166,6 +169,7 @@ public void AddProvider_VerifiesDefaultAndDomainBoundProvidersBasedOnConfigurati
         };
 
         // Assert
+        Assert.False(_systemUnderTest.IsContextConfigured, "The context should not be configured.");
         Assert.Equal(expectsDefaultProvider, _systemUnderTest.HasDefaultProvider);
         Assert.False(_systemUnderTest.IsPolicyConfigured, "The policy should not be configured.");
         Assert.Equal(expectsDomainBoundProvider, _systemUnderTest.DomainBoundProviderRegistrationCount);