ComponentParameterBuilder (#94)

New `ComponentParameterBuilder` with auxiliary changes

Author: StefH

src/Builders/ComponentParameterBuilder.cs

@@ -8,7 +8,7 @@ namespace Bunit
     /// <summary>
     /// Helpful extensions for working with <see cref="ComponentParameter"/> and collections of these.
     /// </summary>
-    internal static class ComponentParamenterExtensions
+    internal static class ComponentParameterExtensions
     {
         /// <summary>
         /// Creates a <see cref="RenderFragment"/> that will render a component of <typeparamref name="TComponent"/> type,

…nternal/ComponentParamenterExtensions.cs …Internal/ComponentParameterExtensions.cssrc/Extensions/Internal/ComponentParamenterExtensions.cs renamed to src/Extensions/Internal/ComponentParameterExtensions.cs src/Extensions/Internal/ComponentParamenterExtensions.cs renamed to src/Extensions/Internal/ComponentParameterExtensions.cs

@@ -35,5 +35,13 @@ public interface ITestContext : IDisposable
         /// <param name="parameters">Parameters to pass to the component when it is rendered</param>
         /// <returns>The rendered <typeparamref name="TComponent"/></returns>
         IRenderedComponent<TComponent> RenderComponent<TComponent>(params ComponentParameter[] parameters) where TComponent : class, IComponent;
+
+        /// <summary>
+        /// Instantiates and performs a first render of a component of type <typeparamref name="TComponent"/>.
+        /// </summary>
+        /// <typeparam name="TComponent">Type of the component to render</typeparam>
+        /// <param name="componentParameterBuilderAction">The ComponentParameterBuilder action to add type safe parameters to pass to the component when it is rendered</param>
+        /// <returns>The rendered <typeparamref name="TComponent"/></returns>
+        IRenderedComponent<TComponent> RenderComponent<TComponent>(Action<ComponentParameterBuilder<TComponent>> componentParameterBuilderAction) where TComponent : class, IComponent;
     }
 }

src/ITestContext.cs

@@ -7,6 +7,7 @@
 using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.JSInterop;
 using System;
+using System.Linq;
 
 namespace Bunit
 {
@@ -53,6 +54,20 @@ public virtual IRenderedComponent<TComponent> RenderComponent<TComponent>(params
             return result;
         }
 
+        /// <inheritdoc/>
+        public virtual IRenderedComponent<TComponent> RenderComponent<TComponent>(Action<ComponentParameterBuilder<TComponent>> componentParameterBuilderAction) where TComponent : class, IComponent
+        {
+            if (componentParameterBuilderAction is null)
+            {
+                throw new ArgumentNullException(nameof(componentParameterBuilderAction));
+            }
+
+            var builder = new ComponentParameterBuilder<TComponent>();
+            componentParameterBuilderAction(builder);
+
+            return RenderComponent<TComponent>(builder.Build().ToArray());
+        }
+
         #region IDisposable Support
         private bool _disposed = false;