feat: Added StringSyntax support so that IDE's help out the user

src/bunit.core/ComponentParameterCollectionBuilder.cs

@@ -72,7 +72,7 @@ public ComponentParameterCollectionBuilder<TComponent> Add<TChildComponent>(Expr
 	/// <param name="parameterSelector">A lambda function that selects the parameter.</param>
 	/// <param name="markup">The markup string to pass to the <see cref="RenderFragment"/>.</param>
 	/// <returns>This <see cref="ComponentParameterCollectionBuilder{TComponent}"/>.</returns>
-	public ComponentParameterCollectionBuilder<TComponent> Add(Expression<Func<TComponent, RenderFragment?>> parameterSelector, string markup)
+	public ComponentParameterCollectionBuilder<TComponent> Add(Expression<Func<TComponent, RenderFragment?>> parameterSelector, [StringSyntax("Html")]string markup)
 		=> Add(parameterSelector, markup.ToMarkupRenderFragment());
 
 	/// <summary>
@@ -260,7 +260,7 @@ public ComponentParameterCollectionBuilder<TComponent> AddChildContent(RenderFra
 	/// </summary>
 	/// <param name="markup">The markup string to pass the ChildContent parameter wrapped in a <see cref="RenderFragment"/>.</param>
 	/// <returns>This <see cref="ComponentParameterCollectionBuilder{TComponent}"/>.</returns>
-	public ComponentParameterCollectionBuilder<TComponent> AddChildContent(string markup)
+	public ComponentParameterCollectionBuilder<TComponent> AddChildContent([StringSyntax("Html")]string markup)
 		=> AddChildContent(markup.ToMarkupRenderFragment());
 
 	/// <summary>

src/bunit.core/ComponentParameterFactory.cs

@@ -137,7 +137,7 @@ public static ComponentParameter CascadingValue(object value)
 	/// </summary>
 	/// <param name="markup">Markup to pass to the child content parameter.</param>
 	/// <returns>The <see cref="ComponentParameter"/>.</returns>
-	public static ComponentParameter ChildContent(string markup)
+	public static ComponentParameter ChildContent([StringSyntax("Html")]string markup)
 	{
 		return RenderFragment(nameof(ChildContent), markup);
 	}
@@ -173,7 +173,7 @@ public static ComponentParameter ChildContent(RenderFragment renderFragment)
 	/// <param name="name">Parameter name.</param>
 	/// <param name="markup">Markup to pass to the render fragment parameter.</param>
 	/// <returns>The <see cref="ComponentParameter"/>.</returns>
-	public static ComponentParameter RenderFragment(string name, string markup)
+	public static ComponentParameter RenderFragment(string name, [StringSyntax("Html")]string markup)
 	{
 		return ComponentParameter.CreateParameter(name, markup.ToMarkupRenderFragment());
 	}

src/bunit.core/Extensions/BlazorExtensions.cs

@@ -10,7 +10,7 @@ public static class BlazorExtensions
 	/// </summary>
 	/// <param name="markup">Markup to render.</param>
 	/// <returns>The <see cref="RenderFragment"/>.</returns>
-	public static RenderFragment ToMarkupRenderFragment(this string? markup)
+	public static RenderFragment ToMarkupRenderFragment([StringSyntax("Html")]this string? markup)
 	{
 		if (string.IsNullOrEmpty(markup))
 			return _ => { };

src/bunit.core/StringSyntaxAttribute.cs

@@ -0,0 +1,25 @@
+#if !NET7_0_OR_GREATER
+namespace System.Diagnostics.CodeAnalysis;
+
+/// <summary>Fake version of the StringSyntaxAttribute, which was introduced in .NET 7</summary>
+[AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
+public sealed class StringSyntaxAttribute : Attribute
+{
+	/// <summary>
+	/// Initializes the <see cref="StringSyntaxAttribute"/> with the identifier of the syntax used.
+	/// </summary>
+	public StringSyntaxAttribute(string syntax)
+	{
+	}
+
+	/// <summary>
+	/// Initializes the <see cref="StringSyntaxAttribute"/> with the identifier of the syntax used.
+	/// </summary>
+	public StringSyntaxAttribute(string syntax, params object?[] arguments)
+	{
+	}
+
+	/// <summary>The syntax identifier for strings containing URIs.</summary>
+	public const string Uri = nameof(Uri);
+}
+#endif

src/bunit.web/Asserting/MarkupMatchesAssertExtensions.cs

@@ -20,7 +20,7 @@ public static class MarkupMatchesAssertExtensions
 	/// <param name="expected">The expected markup fragment.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this string actual, string expected, string? userMessage = null)
+	public static void MarkupMatches([StringSyntax("Html")]this string actual, [StringSyntax("Html")]string expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -42,7 +42,7 @@ public static void MarkupMatches(this string actual, string expected, string? us
 	/// <param name="expected">The expected <see cref="IRenderedFragment"/>.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this string actual, IRenderedFragment expected, string? userMessage = null)
+	public static void MarkupMatches([StringSyntax("Html")]this string actual, IRenderedFragment expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -62,7 +62,7 @@ public static void MarkupMatches(this string actual, IRenderedFragment expected,
 	/// <param name="expected">The expected <see cref="INodeList"/>.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this string actual, INodeList expected, string? userMessage = null)
+	public static void MarkupMatches([StringSyntax("Html")]this string actual, INodeList expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -82,7 +82,7 @@ public static void MarkupMatches(this string actual, INodeList expected, string?
 	/// <param name="expected">The expected <see cref="INode"/>.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this string actual, INode expected, string? userMessage = null)
+	public static void MarkupMatches([StringSyntax("Html")]this string actual, INode expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -102,7 +102,7 @@ public static void MarkupMatches(this string actual, INode expected, string? use
 	/// <param name="expected">The expected markup.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this IRenderedFragment actual, string expected, string? userMessage = null)
+	public static void MarkupMatches(this IRenderedFragment actual, [StringSyntax("Html")]string expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -182,7 +182,7 @@ public static void MarkupMatches(this INode actual, IRenderedFragment expected,
 	/// <param name="expected">The expected markup.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this INode actual, string expected, string? userMessage = null)
+	public static void MarkupMatches(this INode actual, [StringSyntax("Html")]string expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -203,7 +203,7 @@ public static void MarkupMatches(this INode actual, string expected, string? use
 	/// <param name="expected">The expected markup.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this INodeList actual, string expected, string? userMessage = null)
+	public static void MarkupMatches(this INodeList actual, [StringSyntax("Html")]string expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -355,7 +355,7 @@ public static void MarkupMatches(this INodeList actual, RenderFragment expected,
 	/// <param name="expected">The expected markup fragment.</param>
 	/// <param name="userMessage">A custom user message to display in case the verification fails.</param>
 	[AssertionMethod]
-	public static void MarkupMatches(this IEnumerable<IElement> actual, string expected, string? userMessage = null)
+	public static void MarkupMatches(this IEnumerable<IElement> actual, [StringSyntax("Html")]string expected, string? userMessage = null)
 	{
 		if (actual is null)
 			throw new ArgumentNullException(nameof(actual));
@@ -473,9 +473,7 @@ private static INodeList ToNodeList(this IEnumerable<IElement> elements, BunitHt
 			using var parser = new BunitHtmlParser();
 			return nodesStr.ToNodeList(parser);
 		}
-		else
-		{
-			return nodesStr.ToNodeList(htmlParser);
-		}
+
+		return nodesStr.ToNodeList(htmlParser);
 	}
 }

src/bunit.web/Extensions/StubComponentFactoryCollectionExtensions.cs

@@ -39,7 +39,7 @@ static Predicate<Type> CreatePredicate(Type componentTypeToStub)
 	/// <param name="factories">The bUnit <see cref="ComponentFactoryCollection"/> to configure.</param>
 	/// <param name="replacementMarkup">Markup that will be used as render output instead of the stubbed out component.</param>
 	/// <returns>A <see cref="ComponentFactoryCollection"/>.</returns>
-	public static ComponentFactoryCollection AddStub<TComponent>(this ComponentFactoryCollection factories, string replacementMarkup) where TComponent : IComponent
+	public static ComponentFactoryCollection AddStub<TComponent>(this ComponentFactoryCollection factories, [StringSyntax("Html")]string replacementMarkup) where TComponent : IComponent
 		=> AddStub<TComponent>(factories, b => b.AddMarkupContent(0, replacementMarkup));
 
 	/// <summary>

src/bunit.web/Rendering/BunitHtmlParser.cs

@@ -57,7 +57,7 @@ private BunitHtmlParser(IConfiguration angleSharpConfiguration)
 	/// </summary>
 	/// <param name="markup">The markup to parse.</param>
 	/// <returns>The <see cref="INodeList"/>.</returns>
-	public INodeList Parse(string markup)
+	public INodeList Parse([StringSyntax("Html")]string markup)
 	{
 		if (markup is null)
 			throw new ArgumentNullException(nameof(markup));
@@ -187,4 +187,4 @@ public IEnumerator<INode> GetEnumerator()
 
 		IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
 	}
-}
+}

src/bunit.web/TestDoubles/NavigationManager/NavigationHistory.cs

@@ -45,7 +45,7 @@ public sealed class NavigationHistory : IEquatable<NavigationHistory>
 	/// <param name="uri"></param>
 	/// <param name="options"></param>
 	[SuppressMessage("Design", "CA1054:URI-like parameters should not be strings", Justification = "Using string to align with NavigationManager")]
-	public NavigationHistory(string uri, Bunit.TestDoubles.NavigationOptions options)
+	public NavigationHistory([StringSyntax(StringSyntaxAttribute.Uri)]string uri, Bunit.TestDoubles.NavigationOptions options)
 	{
 		Uri = uri;
 		Options = options;
@@ -58,7 +58,7 @@ public NavigationHistory(string uri, Bunit.TestDoubles.NavigationOptions options
 	/// <param name="uri"></param>
 	/// <param name="options"></param>
 	[SuppressMessage("Design", "CA1054:URI-like parameters should not be strings", Justification = "Using string to align with NavigationManager")]
-	public NavigationHistory(string uri, NavigationOptions options)
+	public NavigationHistory([StringSyntax(StringSyntaxAttribute.Uri)]string uri, NavigationOptions options)
 	{
 		Uri = uri;
 		Options = options;
@@ -74,7 +74,11 @@ public NavigationHistory(string uri, NavigationOptions options)
 	/// <param name="navigationState"></param>
 	/// <param name="exception"></param>
 	[SuppressMessage("Design", "CA1054:URI-like parameters should not be strings", Justification = "Using string to align with NavigationManager")]
-	public NavigationHistory(string uri, NavigationOptions options, NavigationState navigationState, Exception? exception = null)
+	public NavigationHistory(
+		[StringSyntax(StringSyntaxAttribute.Uri)]string uri,
+		NavigationOptions options,
+		NavigationState navigationState,
+		Exception? exception = null)
 	{
 		Uri = uri;
 		Options = options;