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Merged
JerrettDavis merged 1 commit into from
May 30, 2026
Merged

test(generators): cover translator and queue policies #445

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68 changes: 48 additions & 20 deletions src/PatternKit.Generators/Messaging/MessageTranslatorGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ private static void Generate(SourceProductionContext context, INamedTypeSymbol t

var inputType = attribute.ConstructorArguments.Length >= 1 ? attribute.ConstructorArguments[0].Value as INamedTypeSymbol : null;
var outputType = attribute.ConstructorArguments.Length >= 2 ? attribute.ConstructorArguments[1].Value as INamedTypeSymbol : null;
if (inputType is null || outputType is null)
if (inputType is null || outputType is null || inputType.TypeKind == TypeKind.Error || outputType.TypeKind == TypeKind.Error)
return;

var handlers = type.GetMembers().OfType<IMethodSymbol>()
Expand Down Expand Up @@ -117,31 +117,39 @@ private static string GenerateSource(
sb.AppendLine();
}

sb.Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
if (type.IsStatic)
sb.Append("static ");
else if (type.IsAbstract && type.TypeKind == TypeKind.Class)
sb.Append("abstract ");
else if (type.IsSealed && type.TypeKind == TypeKind.Class)
sb.Append("sealed ");
sb.Append("partial ").Append(type.TypeKind == TypeKind.Struct ? "struct" : "class").Append(' ').Append(type.Name).AppendLine();
sb.AppendLine("{");
sb.Append(" public static global::PatternKit.Messaging.Transformation.MessageTranslator<")
var indent = string.Empty;
foreach (var containingType in GetContainingTypes(type))
{
AppendTypeDeclaration(sb, containingType, indent);
sb.Append(indent).AppendLine("{");
indent += " ";
}

AppendTypeDeclaration(sb, type, indent);
sb.Append(indent).AppendLine("{");
var memberIndent = indent + " ";
var bodyIndent = memberIndent + " ";
sb.Append(memberIndent).Append("public static global::PatternKit.Messaging.Transformation.MessageTranslator<")
.Append(inputName).Append(", ").Append(outputName).Append("> ").Append(factoryName).AppendLine("()");
sb.AppendLine(" {");
sb.Append(" var builder = global::PatternKit.Messaging.Transformation.MessageTranslator<")
sb.Append(memberIndent).AppendLine("{");
sb.Append(bodyIndent).Append("var builder = global::PatternKit.Messaging.Transformation.MessageTranslator<")
.Append(inputName).Append(", ").Append(outputName).Append(">.Create(\"").Append(Escape(translatorName)).AppendLine("\")");
sb.Append(" .PreserveHeaders(").Append(preserveHeaders ? "true" : "false").AppendLine(")");
sb.Append(" .TranslateWith(static (message, context) => ").Append(handlerName).AppendLine("(message, context));");
sb.Append(bodyIndent).Append(" .PreserveHeaders(").Append(preserveHeaders ? "true" : "false").AppendLine(")");
sb.Append(bodyIndent).Append(" .TranslateWith(static (message, context) => ").Append(handlerName).AppendLine("(message, context));");

foreach (var drop in drops)
sb.Append(" builder.DropHeader(\"").Append(Escape(drop)).AppendLine("\");");
sb.Append(bodyIndent).Append("builder.DropHeader(\"").Append(Escape(drop)).AppendLine("\");");
foreach (var set in sets)
sb.Append(" builder.SetHeader(\"").Append(Escape(set.Name)).Append("\", \"").Append(Escape(set.Value)).AppendLine("\");");
sb.Append(bodyIndent).Append("builder.SetHeader(\"").Append(Escape(set.Name)).Append("\", \"").Append(Escape(set.Value)).AppendLine("\");");

sb.AppendLine(" return builder.Build();");
sb.AppendLine(" }");
sb.AppendLine("}");
sb.Append(bodyIndent).AppendLine("return builder.Build();");
sb.Append(memberIndent).AppendLine("}");
sb.Append(indent).AppendLine("}");
while (indent.Length > 0)
{
indent = indent.Substring(0, indent.Length - 4);
sb.Append(indent).AppendLine("}");
}
return sb.ToString();
}

Expand Down Expand Up @@ -175,6 +183,26 @@ private static IReadOnlyList<HeaderAssignment> GetSetHeaders(INamedTypeSymbol ty
.Where(static header => !string.IsNullOrWhiteSpace(header.Name))
.ToArray();

private static IReadOnlyList<INamedTypeSymbol> GetContainingTypes(INamedTypeSymbol type)
{
var stack = new Stack<INamedTypeSymbol>();
for (var current = type.ContainingType; current is not null; current = current.ContainingType)
stack.Push(current);
return stack.ToArray();
}

private static void AppendTypeDeclaration(StringBuilder sb, INamedTypeSymbol type, string indent)
{
sb.Append(indent).Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
if (type.IsStatic)
sb.Append("static ");
else if (type.IsAbstract && type.TypeKind == TypeKind.Class)
sb.Append("abstract ");
else if (type.IsSealed && type.TypeKind == TypeKind.Class)
sb.Append("sealed ");
sb.Append("partial ").Append(type.TypeKind == TypeKind.Struct ? "struct" : "class").Append(' ').Append(type.Name).AppendLine();
}

private static string? GetNamedString(AttributeData attribute, string name)
=> attribute.NamedArguments.FirstOrDefault(kv => kv.Key == name).Value.Value as string;

Expand Down
57 changes: 43 additions & 14 deletions src/PatternKit.Generators/PriorityQueue/PriorityQueueGenerator.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis;
Expand Down Expand Up @@ -58,7 +59,7 @@ private static void Generate(SourceProductionContext context, INamedTypeSymbol t

var itemType = attribute.ConstructorArguments.Length >= 1 ? attribute.ConstructorArguments[0].Value as INamedTypeSymbol : null;
var priorityType = attribute.ConstructorArguments.Length >= 2 ? attribute.ConstructorArguments[1].Value as INamedTypeSymbol : null;
if (itemType is null || priorityType is null)
if (itemType is null || priorityType is null || itemType.TypeKind == TypeKind.Error || priorityType.TypeKind == TypeKind.Error)
return;

var selectors = type.GetMembers().OfType<IMethodSymbol>().Where(static method =>
Expand Down Expand Up @@ -113,26 +114,54 @@ private static string GenerateSource(
sb.AppendLine();
}

sb.Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
var indent = string.Empty;
foreach (var containingType in GetContainingTypes(type))
{
AppendTypeDeclaration(sb, containingType, indent);
sb.Append(indent).AppendLine("{");
indent += " ";
}

AppendTypeDeclaration(sb, type, indent);
sb.Append(indent).AppendLine("{");
var memberIndent = indent + " ";
var bodyIndent = memberIndent + " ";
sb.Append(memberIndent).Append("public static global::PatternKit.Cloud.PriorityQueue.PriorityQueuePolicy<").Append(itemTypeName).Append(", ").Append(priorityTypeName).Append("> ").Append(factoryMethodName).AppendLine("()");
sb.Append(memberIndent).AppendLine("{");
sb.Append(bodyIndent).Append("return global::PatternKit.Cloud.PriorityQueue.PriorityQueuePolicy<").Append(itemTypeName).Append(", ").Append(priorityTypeName).Append(">.Create(\"").Append(Escape(queueName)).AppendLine("\")");
sb.Append(bodyIndent).Append(" .WithPrioritySelector(").Append(selectorName).AppendLine(")");
sb.Append(bodyIndent).AppendLine(dequeueHighestPriorityFirst
? " .DequeueHighestPriorityFirst()"
: " .DequeueLowestPriorityFirst()");
sb.Append(bodyIndent).AppendLine(" .Build();");
sb.Append(memberIndent).AppendLine("}");
sb.Append(indent).AppendLine("}");
while (indent.Length > 0)
{
indent = indent.Substring(0, indent.Length - 4);
sb.Append(indent).AppendLine("}");
}
return sb.ToString();
}

private static IReadOnlyList<INamedTypeSymbol> GetContainingTypes(INamedTypeSymbol type)
{
var stack = new Stack<INamedTypeSymbol>();
for (var current = type.ContainingType; current is not null; current = current.ContainingType)
stack.Push(current);
return stack.ToArray();
}

private static void AppendTypeDeclaration(StringBuilder sb, INamedTypeSymbol type, string indent)
{
sb.Append(indent).Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
if (type.IsStatic)
sb.Append("static ");
else if (type.IsAbstract && type.TypeKind == TypeKind.Class)
sb.Append("abstract ");
else if (type.IsSealed && type.TypeKind == TypeKind.Class)
sb.Append("sealed ");
sb.Append("partial ").Append(type.TypeKind == TypeKind.Struct ? "struct" : "class").Append(' ').Append(type.Name).AppendLine();
sb.AppendLine("{");
sb.Append(" public static global::PatternKit.Cloud.PriorityQueue.PriorityQueuePolicy<").Append(itemTypeName).Append(", ").Append(priorityTypeName).Append("> ").Append(factoryMethodName).AppendLine("()");
sb.AppendLine(" {");
sb.Append(" return global::PatternKit.Cloud.PriorityQueue.PriorityQueuePolicy<").Append(itemTypeName).Append(", ").Append(priorityTypeName).Append(">.Create(\"").Append(Escape(queueName)).AppendLine("\")");
sb.Append(" .WithPrioritySelector(").Append(selectorName).AppendLine(")");
sb.AppendLine(dequeueHighestPriorityFirst
? " .DequeueHighestPriorityFirst()"
: " .DequeueLowestPriorityFirst()");
sb.AppendLine(" .Build();");
sb.AppendLine(" }");
sb.AppendLine("}");
return sb.ToString();
}

private static string Escape(string value) => value.Replace("\\", "\\\\").Replace("\"", "\\\"");
Expand Down
55 changes: 42 additions & 13 deletions src/PatternKit.Generators/QueueLoadLeveling/QueueLoadLevelingPolicyGenerator.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis;
Expand Down Expand Up @@ -51,7 +52,7 @@ private static void Generate(SourceProductionContext context, INamedTypeSymbol t
}

var resultType = attribute.ConstructorArguments.Length >= 1 ? attribute.ConstructorArguments[0].Value as INamedTypeSymbol : null;
if (resultType is null)
if (resultType is null || resultType.TypeKind == TypeKind.Error)
return;

var maxConcurrentWorkers = GetNamedInt(attribute, "MaxConcurrentWorkers") ?? 1;
Expand Down Expand Up @@ -96,25 +97,53 @@ private static string GenerateSource(
sb.AppendLine();
}

sb.Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
var indent = string.Empty;
foreach (var containingType in GetContainingTypes(type))
{
AppendTypeDeclaration(sb, containingType, indent);
sb.Append(indent).AppendLine("{");
indent += " ";
}

AppendTypeDeclaration(sb, type, indent);
sb.Append(indent).AppendLine("{");
var memberIndent = indent + " ";
var bodyIndent = memberIndent + " ";
sb.Append(memberIndent).Append("public static global::PatternKit.Cloud.QueueLoadLeveling.QueueLoadLevelingPolicy<").Append(resultTypeName).Append("> ").Append(factoryMethodName).AppendLine("()");
sb.Append(memberIndent).AppendLine("{");
sb.Append(bodyIndent).Append("return global::PatternKit.Cloud.QueueLoadLeveling.QueueLoadLevelingPolicy<").Append(resultTypeName).Append(">.Create(\"").Append(Escape(policyName)).AppendLine("\")");
sb.Append(bodyIndent).Append(" .WithMaxConcurrentWorkers(").Append(maxConcurrentWorkers).AppendLine(")");
sb.Append(bodyIndent).Append(" .WithMaxQueueLength(").Append(maxQueueLength).AppendLine(")");
sb.Append(bodyIndent).Append(" .WithQueueTimeout(global::System.TimeSpan.FromMilliseconds(").Append(queueTimeoutMilliseconds).AppendLine("))");
sb.Append(bodyIndent).AppendLine(" .Build();");
sb.Append(memberIndent).AppendLine("}");
sb.Append(indent).AppendLine("}");
while (indent.Length > 0)
{
indent = indent.Substring(0, indent.Length - 4);
sb.Append(indent).AppendLine("}");
}
return sb.ToString();
}

private static IReadOnlyList<INamedTypeSymbol> GetContainingTypes(INamedTypeSymbol type)
{
var stack = new Stack<INamedTypeSymbol>();
for (var current = type.ContainingType; current is not null; current = current.ContainingType)
stack.Push(current);
return stack.ToArray();
}

private static void AppendTypeDeclaration(StringBuilder sb, INamedTypeSymbol type, string indent)
{
sb.Append(indent).Append(GetAccessibility(type.DeclaredAccessibility)).Append(' ');
if (type.IsStatic)
sb.Append("static ");
else if (type.IsAbstract && type.TypeKind == TypeKind.Class)
sb.Append("abstract ");
else if (type.IsSealed && type.TypeKind == TypeKind.Class)
sb.Append("sealed ");
sb.Append("partial ").Append(type.TypeKind == TypeKind.Struct ? "struct" : "class").Append(' ').Append(type.Name).AppendLine();
sb.AppendLine("{");
sb.Append(" public static global::PatternKit.Cloud.QueueLoadLeveling.QueueLoadLevelingPolicy<").Append(resultTypeName).Append("> ").Append(factoryMethodName).AppendLine("()");
sb.AppendLine(" {");
sb.Append(" return global::PatternKit.Cloud.QueueLoadLeveling.QueueLoadLevelingPolicy<").Append(resultTypeName).Append(">.Create(\"").Append(Escape(policyName)).AppendLine("\")");
sb.Append(" .WithMaxConcurrentWorkers(").Append(maxConcurrentWorkers).AppendLine(")");
sb.Append(" .WithMaxQueueLength(").Append(maxQueueLength).AppendLine(")");
sb.Append(" .WithQueueTimeout(global::System.TimeSpan.FromMilliseconds(").Append(queueTimeoutMilliseconds).AppendLine("))");
sb.AppendLine(" .Build();");
sb.AppendLine(" }");
sb.AppendLine("}");
return sb.ToString();
}

private static string Escape(string value) => value.Replace("\\", "\\\\").Replace("\"", "\\\"");
Expand Down
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