From b6a7c508db98c04e4fad6b52f1b595b5644d5e21 Mon Sep 17 00:00:00 2001
From: Leon Hoppe <leon@ladenbau-hoppe.de>
Date: Mon, 27 Jan 2025 17:58:40 +0100
Subject: [PATCH] Implemented async delegates

---
 .idea/.idea.HopFrame/.idea/workspace.xml      | 43 ++++++++++------
 src/HopFrame.Core/Config/PropertyConfig.cs    | 28 ++++++++---
 src/HopFrame.Core/Config/TableConfig.cs       | 11 ++++
 src/HopFrame.Core/Services/ITableManager.cs   |  2 +-
 .../Services/Implementations/TableManager.cs  | 12 ++---
 .../Components/Dialogs/HopFrameEditor.razor   |  6 +--
 .../Components/Pages/HopFrameTablePage.razor  |  2 +-
 .../Services/DisplayPropertyTests.cs          | 50 +++++++++----------
 8 files changed, 97 insertions(+), 57 deletions(-)

diff --git a/.idea/.idea.HopFrame/.idea/workspace.xml b/.idea/.idea.HopFrame/.idea/workspace.xml
index b43db74..92837c1 100644
--- a/.idea/.idea.HopFrame/.idea/workspace.xml
+++ b/.idea/.idea.HopFrame/.idea/workspace.xml
@@ -11,16 +11,14 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="0648788e-7696-4e60-bf12-5d5601f33d8c" name="Changes" comment="Added missing files">
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/App.razor" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing.Api/HopFrame.Testing.Api.csproj" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing.Api/Program.cs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing.Api/Properties/launchSettings.json" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing.Api/appsettings.Development.json" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing.Api/appsettings.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/HopFrame.sln" beforeDir="false" afterPath="$PROJECT_DIR$/HopFrame.sln" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" afterDir="false" />
+    <list default="true" id="0648788e-7696-4e60-bf12-5d5601f33d8c" name="Changes" comment="Added a simple web api abstraction method">
+      <change beforePath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Config/PropertyConfig.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Config/PropertyConfig.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Config/TableConfig.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Config/TableConfig.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/ITableManager.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/ITableManager.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/TableManager.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/TableManager.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -40,7 +38,7 @@
   <component name="Git.Settings">
     <option name="RECENT_BRANCH_BY_REPOSITORY">
       <map>
-        <entry key="$PROJECT_DIR$" value="fix/missing-styles" />
+        <entry key="$PROJECT_DIR$" value="feature/api-abstraction" />
       </map>
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
@@ -69,11 +67,17 @@
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/adcd2c45092dd8e4fc412325c8adb75d6e7d8b3e90a9523f167583fb9c60/ServiceCollectionExtensions.cs" root0="SKIP_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/b3ccb66df3646cb51df73ad51716136ebd2eefb4edb1308dd52a7e999582d59e/IBindableColumn.cs" root0="SKIP_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/bfff78ecaa39c818519fc918bb2d4bbdca6ad93d7170f5cf325f67ccd0b97d43/BooleanAsserts.cs" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/d39923abb31e6a6e7a9e8173e217da584c54925ce63e568126a2b89b9ab/DefaultRazorComponentsServiceOptionsConfiguration.cs" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/d858ddb35a8e36df5573b7612542f9ad50f426b8ab43818587d1ac65fab14829/DatabaseGeneratedAttribute.cs" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/ece8533187fe96ce67b3ef1c9cc3502ef8da5510aadb132a9b21c5605d7c2119/PropertyColumn.cs" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/ee4d234452e240d83e3de396c2e85cbf9ac9fb9add618b955eea196c81aaf8/IDialogContentComponent.cs" root0="SKIP_HIGHLIGHTING" />
+    <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/fc2027f7e776fc105cddb56b1a25eeb3895b3ae6f3aac854d786e63bd01f75e2/CallSiteFactory.cs" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/ff37d54b3bf4d2756237fb789635831532603376e940f63d634b869d26d74c/Regular16.cs" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$PROJECT_DIR$/src/HopFrame.Core/Config/DbContextConfig.cs" root0="FORCE_HIGHLIGHTING" />
+    <setting file="mock://C:/Users/leon/Documents/Projekte/HopFrame/src/HopFrame.Core/Config/PropertyConfig.cs" root0="SKIP_HIGHLIGHTING" />
+    <setting file="mock://C:/Users/leon/Documents/Projekte/HopFrame/src/HopFrame.Core/Config/PropertyConfig.cs" root0="SKIP_HIGHLIGHTING" />
+    <setting file="mock://C:/Users/leon/Documents/Projekte/HopFrame/src/HopFrame.Core/Config/PropertyConfig.cs" root0="SKIP_HIGHLIGHTING" />
+    <setting file="mock://C:/Users/leon/Documents/Projekte/HopFrame/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor" root0="SKIP_HIGHLIGHTING" root1="FORCE_HIGHLIGHTING" root2="FORCE_HIGHLIGHTING" />
   </component>
   <component name="KubernetesApiPersistence">{}</component>
   <component name="KubernetesApiProvider">{
@@ -102,7 +106,7 @@
     "RunOnceActivity.git.unshallow": "true",
     "b5f11219-dfc4-47a1-b02c-90ab603034fb.executor": "Debug",
     "dcdf1689-dc07-47e4-8824-2e60a4fbf301.executor": "Debug",
-    "git-widget-placeholder": "!21 on feature/api-abstraction",
+    "git-widget-placeholder": "!22 on feature/async-delegates",
     "list.type.of.created.stylesheet": "CSS",
     "node.js.detected.package.eslint": "true",
     "node.js.detected.package.tslint": "true",
@@ -207,7 +211,7 @@
       <workItem from="1737293153907" duration="8953000" />
       <workItem from="1737390240714" duration="60000" />
       <workItem from="1737390360987" duration="601000" />
-      <workItem from="1737993570961" duration="1590000" />
+      <workItem from="1737993570961" duration="3116000" />
     </task>
     <task id="LOCAL-00001" summary="Added basic configuration">
       <option name="closed" value="true" />
@@ -393,7 +397,15 @@
       <option name="project" value="LOCAL" />
       <updated>1737994074137</updated>
     </task>
-    <option name="localTasksCounter" value="24" />
+    <task id="LOCAL-00024" summary="Added a simple web api abstraction method">
+      <option name="closed" value="true" />
+      <created>1737995782424</created>
+      <option name="number" value="00024" />
+      <option name="presentableId" value="LOCAL-00024" />
+      <option name="project" value="LOCAL" />
+      <updated>1737995782424</updated>
+    </task>
+    <option name="localTasksCounter" value="25" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -467,6 +479,7 @@
     <MESSAGE value="prepared project for release" />
     <MESSAGE value="Included readme file in projects" />
     <MESSAGE value="Added missing files" />
-    <option name="LAST_COMMIT_MESSAGE" value="Added missing files" />
+    <MESSAGE value="Added a simple web api abstraction method" />
+    <option name="LAST_COMMIT_MESSAGE" value="Added a simple web api abstraction method" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/HopFrame.Core/Config/PropertyConfig.cs b/src/HopFrame.Core/Config/PropertyConfig.cs
index 5322a37..2001433 100644
--- a/src/HopFrame.Core/Config/PropertyConfig.cs
+++ b/src/HopFrame.Core/Config/PropertyConfig.cs
@@ -11,9 +11,9 @@ public class PropertyConfig(PropertyInfo info, TableConfig table, int nthPropert
     public bool Sortable { get; set; } = true;
     public bool Searchable { get; set; } = true;
     public PropertyInfo? DisplayedProperty { get; set; }
-    public Func<object, IServiceProvider, string>? Formatter { get; set; }
-    public Func<object, IServiceProvider, string>? EnumerableFormatter { get; set; }
-    public Func<string, IServiceProvider, object>? Parser { get; set; }
+    public Func<object, IServiceProvider, Task<string>>? Formatter { get; set; }
+    public Func<object, IServiceProvider, Task<string>>? EnumerableFormatter { get; set; }
+    public Func<string, IServiceProvider, Task<object>>? Parser { get; set; }
     public Func<object?, IServiceProvider, Task<IEnumerable<string>>>? Validator { get; set; }
     public bool Editable { get; set; } = true;
     public bool Creatable { get; set; } = true;
@@ -74,7 +74,6 @@ public class PropertyConfigurator<TProp>(PropertyConfig config) {
     /// <summary>
     /// Determines if the value that should be displayed instead of the string representation of the type
     /// </summary>
-    /// <seealso cref="Format"/>
     public PropertyConfigurator<TProp> SetDisplayedProperty<TInnerProp>(Expression<Func<TProp, TInnerProp>> propertyExpression) {
         InnerConfig.DisplayedProperty = TableConfigurator<TProp>.GetPropertyInfo(propertyExpression);
         return this;
@@ -83,9 +82,14 @@ public class PropertyConfigurator<TProp>(PropertyConfig config) {
     /// <summary>
     /// Determines the value that's displayed in the admin ui
     /// </summary>
-    /// <seealso cref="FormatEach{TInnerProp}"/>
     /// <seealso cref="SetDisplayedProperty{TInnerProp}"/>
     public PropertyConfigurator<TProp> Format(Func<TProp, IServiceProvider, string> formatter) {
+        InnerConfig.Formatter = (obj, provider) => Task.FromResult(formatter.Invoke((TProp)obj, provider));
+        return this;
+    }
+    
+    /// <inheritdoc cref="Format(System.Func{TProp,System.IServiceProvider,string})"/>
+    public PropertyConfigurator<TProp> Format(Func<TProp, IServiceProvider, Task<string>> formatter) {
         InnerConfig.Formatter = (obj, provider) => formatter.Invoke((TProp)obj, provider);
         return this;
     }
@@ -94,6 +98,12 @@ public class PropertyConfigurator<TProp>(PropertyConfig config) {
     /// Determines the value that's displayed for each entry in the list
     /// </summary>
     public PropertyConfigurator<TProp> FormatEach<TInnerProp>(Func<TInnerProp, IServiceProvider, string> formatter) {
+        InnerConfig.EnumerableFormatter = (obj, provider) => Task.FromResult(formatter.Invoke((TInnerProp)obj, provider));
+        return this;
+    }
+    
+    /// <inheritdoc cref="FormatEach{TInnerProp}(System.Func{TInnerProp,System.IServiceProvider,string})"/>
+    public PropertyConfigurator<TProp> FormatEach<TInnerProp>(Func<TInnerProp, IServiceProvider, Task<string>> formatter) {
         InnerConfig.EnumerableFormatter = (obj, provider) => formatter.Invoke((TInnerProp)obj, provider);
         return this;
     }
@@ -102,7 +112,13 @@ public class PropertyConfigurator<TProp>(PropertyConfig config) {
     /// Determines the function used for parsing the value provided in the editor dialog to the actual property value
     /// </summary>
     public PropertyConfigurator<TProp> SetParser(Func<string, IServiceProvider, TProp> parser) {
-        InnerConfig.Parser = (str, provider) => parser.Invoke(str, provider)!;
+        InnerConfig.Parser = (str, provider) => Task.FromResult<object>(parser.Invoke(str, provider)!);
+        return this;
+    }
+    
+    /// <inheritdoc cref="SetParser(System.Func{string,System.IServiceProvider,TProp})"/>
+    public PropertyConfigurator<TProp> SetParser(Func<string, IServiceProvider, Task<TProp>> parser) {
+        InnerConfig.Parser = async (str, provider) => (await parser.Invoke(str, provider))!;
         return this;
     }
 
diff --git a/src/HopFrame.Core/Config/TableConfig.cs b/src/HopFrame.Core/Config/TableConfig.cs
index 6a5ad7c..97b40ce 100644
--- a/src/HopFrame.Core/Config/TableConfig.cs
+++ b/src/HopFrame.Core/Config/TableConfig.cs
@@ -99,6 +99,17 @@ public class TableConfigurator<TModel>(TableConfig config) {
     /// <returns>The configurator for the virtual property</returns>
     /// <seealso cref="PropertyConfigurator{TProp}"/>
     public PropertyConfigurator<string> AddVirtualProperty(string name, Func<TModel, IServiceProvider, string> template) {
+        var prop = new PropertyConfig(InnerConfig.Properties.First().Info, InnerConfig, InnerConfig.Properties.Count) {
+            Name = name,
+            IsListingProperty = true,
+            Formatter = (obj, provider) => Task.FromResult(template.Invoke((TModel)obj, provider))
+        };
+        InnerConfig.Properties.Add(prop);
+        return new PropertyConfigurator<string>(prop);
+    }
+    
+    /// <inheritdoc cref="AddVirtualProperty(string,System.Func{TModel,System.IServiceProvider,string})"/>
+    public PropertyConfigurator<string> AddVirtualProperty(string name, Func<TModel, IServiceProvider, Task<string>> template) {
         var prop = new PropertyConfig(InnerConfig.Properties.First().Info, InnerConfig, InnerConfig.Properties.Count) {
             Name = name,
             IsListingProperty = true,
diff --git a/src/HopFrame.Core/Services/ITableManager.cs b/src/HopFrame.Core/Services/ITableManager.cs
index 9d035fa..93ba93d 100644
--- a/src/HopFrame.Core/Services/ITableManager.cs
+++ b/src/HopFrame.Core/Services/ITableManager.cs
@@ -12,5 +12,5 @@ public interface ITableManager {
     public Task AddItem(object item);
     public Task RevertChanges(object item);
     
-    public string DisplayProperty(object? item, PropertyConfig prop, object? value = null);
+    public Task<string> DisplayProperty(object? item, PropertyConfig prop, object? value = null);
 }
\ No newline at end of file
diff --git a/src/HopFrame.Core/Services/Implementations/TableManager.cs b/src/HopFrame.Core/Services/Implementations/TableManager.cs
index d682af9..d002512 100644
--- a/src/HopFrame.Core/Services/Implementations/TableManager.cs
+++ b/src/HopFrame.Core/Services/Implementations/TableManager.cs
@@ -66,24 +66,24 @@ internal sealed class TableManager<TModel>(DbContext context, TableConfig config
         return false;
     }
 
-    public string DisplayProperty(object? item, PropertyConfig prop, object? value = null) {
+    public async Task<string> DisplayProperty(object? item, PropertyConfig prop, object? value = null) {
         if (item is null) return string.Empty;
 
         if (prop.IsListingProperty)
-            return prop.Formatter!.Invoke(item, provider);
+            return await prop.Formatter!.Invoke(item, provider);
 
         var propValue = value ?? prop.Info.GetValue(item);
         if (propValue is null)
             return string.Empty;
 
         if (prop.Formatter is not null) {
-            return prop.Formatter.Invoke(propValue, provider);
+            return await prop.Formatter.Invoke(propValue, provider);
         }
 
         if (prop.IsEnumerable) {
             if (value is not null) {
                 if (prop.EnumerableFormatter is not null) {
-                    return prop.EnumerableFormatter.Invoke(value, provider);
+                    return await prop.EnumerableFormatter.Invoke(value, provider);
                 }
             
                 return value.ToString() ?? string.Empty;
@@ -103,11 +103,11 @@ internal sealed class TableManager<TModel>(DbContext context, TableConfig config
         var innerConfig = explorer.GetTable(propValue.GetType());
         if (innerConfig is null) return propValue.ToString()!;
         
-        var innerProp = innerConfig!.Properties
+        var innerProp = innerConfig.Properties
             .SingleOrDefault(p => p.Info == prop.DisplayedProperty && !p.IsListingProperty);
 
         if (innerProp is null) return propValue.ToString() ?? string.Empty;
-        return DisplayProperty(propValue, innerProp);
+        return await DisplayProperty(propValue, innerProp);
     }
 
     private IQueryable<TModel> IncludeForeignKeys(IQueryable<TModel> query) {
diff --git a/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor b/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor
index af35c6f..64eb657 100644
--- a/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor
+++ b/src/HopFrame.Web/Components/Dialogs/HopFrameEditor.razor
@@ -201,7 +201,7 @@
         if (Content.CurrentObject is null) return default;
 
         if (listItem is not null) {
-            return (TValue)(object)_manager!.DisplayProperty(Content.CurrentObject, config, listItem);
+            return (TValue)(object)_manager!.DisplayProperty(Content.CurrentObject, config, listItem).Result;
         }
         
         var value = config.Info.GetValue(Content.CurrentObject);
@@ -213,7 +213,7 @@
             return (TValue)value;
 
         if (typeof(TValue) == typeof(string))
-            return (TValue)(object)_manager!.DisplayProperty(Content.CurrentObject, config);
+            return (TValue)(object)_manager!.DisplayProperty(Content.CurrentObject, config).Result;
 
         return (TValue)Convert.ChangeType(value, typeof(TValue));
     }
@@ -295,7 +295,7 @@
         }
 
         if (config.Parser is not null && result is not null) {
-            result = config.Parser(result.ToString()!, Provider);
+            result = await config.Parser(result.ToString()!, Provider);
         }
 
         if (needsOverride)
diff --git a/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor b/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor
index 64ce7bd..7ce31ef 100644
--- a/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor
+++ b/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor
@@ -54,7 +54,7 @@
                 
                 @foreach (var property in _config!.Properties.Where(prop => prop.List).OrderBy(prop => prop.Order)) {
                     <PropertyColumn
-                        Title="@property.Name" Property="o => _manager!.DisplayProperty(o, property, null)"
+                        Title="@property.Name" Property="o => _manager!.DisplayProperty(o, property, null).Result"
                         Style="min-width: max-content; height: 44px;"
                         Sortable="@property.Sortable"/>
                 }
diff --git a/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs b/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs
index d987283..26d9a4d 100644
--- a/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs
+++ b/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs
@@ -23,63 +23,63 @@ public class DisplayPropertyTests {
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsEmptyString_WhenItemIsNull() {
+    public async Task DisplayProperty_ReturnsEmptyString_WhenItemIsNull() {
         // Arrange
         var prop = new PropertyConfig(typeof(string).GetProperty("Length")!, _config, 0);
 
         // Act
-        var result = _tableManager.DisplayProperty(null, prop);
+        var result = await _tableManager.DisplayProperty(null, prop);
 
         // Assert
         Assert.Equal(string.Empty, result);
     }
 
     [Fact]
-    public void DisplayProperty_UsesFormatter_WhenListingProperty() {
+    public async Task DisplayProperty_UsesFormatter_WhenListingProperty() {
         // Arrange
         var item = "test";
         var prop = new PropertyConfig(typeof(string).GetProperty("Length")!, _config, 0) {
             IsListingProperty = true,
-            Formatter = (obj, provider) => ((string)obj).ToUpper()
+            Formatter = (obj, provider) => Task.FromResult(((string)obj).ToUpper())
         };
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("TEST", result);
     }
 
     [Fact]
-    public void DisplayProperty_UsesValueFormatter_WhenNotListingProperty() {
+    public async Task DisplayProperty_UsesValueFormatter_WhenNotListingProperty() {
         // Arrange
         var item = "test";
         var prop = new PropertyConfig(typeof(string).GetProperty("Length")!, _config, 0) {
-            Formatter = (obj, provider) => ((int)obj).ToString("D4")
+            Formatter = (obj, provider) => Task.FromResult(((int)obj).ToString("D4"))
         };
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("0004", result);
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsValueAsString_WhenNoFormatter() {
+    public async Task DisplayProperty_ReturnsValueAsString_WhenNoFormatter() {
         // Arrange
         var item = "test";
         var prop = new PropertyConfig(typeof(string).GetProperty("Length")!, _config, 0);
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("4", result);
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsEnumerableCount_WhenEnumerableProperty() {
+    public async Task DisplayProperty_ReturnsEnumerableCount_WhenEnumerableProperty() {
         // Arrange
         var item = new { List = new List<int> { 1, 2, 3 } };
         var prop = new PropertyConfig(item.GetType().GetProperty("List")!, _config, 0) {
@@ -87,14 +87,14 @@ public class DisplayPropertyTests {
         };
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("3", result);
     }
 
     [Fact]
-    public void DisplayProperty_UsesDisplayedProperty_WhenNoDirectFormatter() {
+    public async Task DisplayProperty_UsesDisplayedProperty_WhenNoDirectFormatter() {
         // Arrange
         var item = new { Inner = new { Key = 42 } };
         var innerPropInfo = item.Inner.GetType().GetProperty("Key");
@@ -111,43 +111,43 @@ public class DisplayPropertyTests {
             });
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("42", result);
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsEmptyString_WhenPropValueIsNull() {
+    public async Task DisplayProperty_ReturnsEmptyString_WhenPropValueIsNull() {
         // Arrange
         var item = new { Name = (string?)null };
         var prop = new PropertyConfig(item.GetType().GetProperty("Name")!, _config, 0);
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal(string.Empty, result);
     }
 
     [Fact]
-    public void DisplayProperty_UsesEnumerableFormatter_WhenEnumerableAndValueProvided() {
+    public async Task DisplayProperty_UsesEnumerableFormatter_WhenEnumerableAndValueProvided() {
         // Arrange
         var item = new { List = new List<int> { 1, 2, 3 } };
         var prop = new PropertyConfig(item.GetType().GetProperty("List")!, _config, 0) {
             IsEnumerable = true,
-            EnumerableFormatter = (obj, provider) => string.Join(",", ((IEnumerable<int>)obj))
+            EnumerableFormatter = (obj, provider) => Task.FromResult(string.Join(",", ((IEnumerable<int>)obj)))
         };
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop, item.List);
+        var result = await _tableManager.DisplayProperty(item, prop, item.List);
 
         // Assert
         Assert.Equal("1,2,3", result);
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsEmptyString_WhenDisplayedPropertyAndInnerConfigIsNull() {
+    public async Task DisplayProperty_ReturnsEmptyString_WhenDisplayedPropertyAndInnerConfigIsNull() {
         // Arrange
         var item = new { Inner = new { Key = 42 } };
         var innerPropInfo = item.Inner.GetType().GetProperty("Key");
@@ -161,14 +161,14 @@ public class DisplayPropertyTests {
             .Returns((TableConfig?)null);
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("{ Key = 42 }", result); // Returns the value as string if inner config is null
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsKeyValue_WhenDisplayedPropertyIsNull() {
+    public async Task DisplayProperty_ReturnsKeyValue_WhenDisplayedPropertyIsNull() {
         // Arrange
         var item = new { Inner = new { Key = 42 } };
         var propInfo = item.GetType().GetProperty("Inner");
@@ -177,21 +177,21 @@ public class DisplayPropertyTests {
         var keyProperty = item.Inner.GetType().GetProperty("Key");
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("{ Key = 42 }", result); // Returns key value as string if DisplayedProperty is null
     }
 
     [Fact]
-    public void DisplayProperty_ReturnsToStringValue_WhenNoKeyOrDisplayedProperty() {
+    public async Task DisplayProperty_ReturnsToStringValue_WhenNoKeyOrDisplayedProperty() {
         // Arrange
         var item = new { Inner = new { Name = "Test" } };
         var propInfo = item.GetType().GetProperty("Inner");
         var prop = new PropertyConfig(propInfo!, _config, 0);
 
         // Act
-        var result = _tableManager.DisplayProperty(item, prop);
+        var result = await _tableManager.DisplayProperty(item, prop);
 
         // Assert
         Assert.Equal("{ Name = Test }", result); // Returns ToString value of inner property
-- 
2.49.1