fix(tests): add ValueExpression parameter to form component tests

Form components now inherit from FlowbiteInputBase<TValue> which requires
ValueExpression for FieldIdentifier creation. Updated all bUnit tests to
provide this parameter alongside Value/ValueChanged.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Todd Schavey

src/Flowbite.Tests/Components/Forms/SelectTests.cs

@@ -16,7 +16,10 @@ public class SelectTests : FlowbiteTestContext
     public void Select_RendersWithOptions()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Select>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.ChildContent, (RenderFragment)(builder =>
             {
                 builder.OpenElement(0, "option");
@@ -46,10 +49,11 @@ public void Select_RendersWithOptions()
     public void Select_BindsSelectedValue()
     {
         // Arrange
-        var selectedValue = "";
+        string? selectedValue = "";
         var cut = RenderComponent<Select>(parameters => parameters
             .Add(p => p.Value, selectedValue)
             .Add(p => p.ValueChanged, newValue => selectedValue = newValue)
+            .Add(p => p.ValueExpression, () => selectedValue)
             .Add(p => p.ChildContent, (RenderFragment)(builder =>
             {
                 builder.OpenElement(0, "option");
@@ -76,7 +80,10 @@ public void Select_BindsSelectedValue()
     public void Select_AppliesCustomClass()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Select>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Class, "my-custom-select"));
 
         // Assert
@@ -90,7 +97,10 @@ public void Select_AppliesCustomClass()
     public void Select_SupportsDisabledState()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Select>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Disabled, true));
 
         // Assert
@@ -105,7 +115,10 @@ public void Select_SupportsDisabledState()
     public void Select_RendersHelperText()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Select>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.HelperText, "Select your preferred option"));
 
         // Assert
@@ -119,7 +132,10 @@ public void Select_RendersHelperText()
     public void Select_SupportsIdAttribute()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Select>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Id, "country-select"));
 
         // Assert

src/Flowbite.Tests/Components/Forms/TextAreaTests.cs

@@ -15,7 +15,10 @@ public class TextAreaTests : FlowbiteTestContext
     public void TextArea_RendersWithDefaultAttributes()
     {
         // Arrange & Act
-        var cut = RenderComponent<Textarea>();
+        string? value = "";
+        var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value));
 
         // Assert
         var textarea = cut.Find("textarea");
@@ -31,8 +34,10 @@ public void TextArea_RendersWithDefaultAttributes()
     public void TextArea_BindsValueCorrectly()
     {
         // Arrange & Act - Test that initial value is rendered
+        string? value = "initial content";
         var cut = RenderComponent<Textarea>(parameters => parameters
-            .Add(p => p.Value, "initial content"));
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value));
 
         // Assert - The textarea should have the value attribute set via @bind
         // In Blazor with @bind, the value is rendered as both the 'value' attribute and inner content
@@ -41,7 +46,8 @@ public void TextArea_BindsValueCorrectly()
 
         // Re-render with new value to verify binding updates
         cut.SetParametersAndRender(parameters => parameters
-            .Add(p => p.Value, "updated content"));
+            .Add(p => p.Value, "updated content")
+            .Add(p => p.ValueExpression, () => value));
 
         textarea = cut.Find("textarea");
         textarea.GetAttribute("value").Should().Be("updated content");
@@ -54,7 +60,10 @@ public void TextArea_BindsValueCorrectly()
     public void TextArea_AppliesCustomClass()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Class, "my-custom-class"));
 
         // Assert
@@ -68,7 +77,10 @@ public void TextArea_AppliesCustomClass()
     public void TextArea_SupportsRows()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Rows, 10));
 
         // Assert
@@ -83,7 +95,10 @@ public void TextArea_SupportsRows()
     public void TextArea_SupportsPlaceholder()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Placeholder, "Enter your message"));
 
         // Assert
@@ -98,7 +113,10 @@ public void TextArea_SupportsPlaceholder()
     public void TextArea_SupportsDisabledState()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Disabled, true));
 
         // Assert
@@ -113,7 +131,10 @@ public void TextArea_SupportsDisabledState()
     public void TextArea_RendersHelperText()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.HelperText, "Maximum 500 characters"));
 
         // Assert
@@ -127,7 +148,10 @@ public void TextArea_RendersHelperText()
     public void TextArea_SupportsRequiredAttribute()
     {
         // Arrange & Act
+        string? value = "";
         var cut = RenderComponent<Textarea>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Required, true));
 
         // Assert

src/Flowbite.Tests/Components/Forms/TextInputTests.cs

@@ -15,7 +15,10 @@ public class TextInputTests : FlowbiteTestContext
     public void TextInput_RendersWithDefaultAttributes()
     {
         // Arrange & Act
-        var cut = RenderComponent<TextInput<string>>();
+        var value = "";
+        var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value));
 
         // Assert
         var input = cut.Find("input");
@@ -34,7 +37,8 @@ public void TextInput_BindsValueCorrectly()
         var boundValue = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
             .Add(p => p.Value, boundValue)
-            .Add(p => p.ValueChanged, newValue => boundValue = newValue));
+            .Add(p => p.ValueChanged, newValue => boundValue = newValue)
+            .Add(p => p.ValueExpression, () => boundValue));
 
         // Act
         cut.Find("input").Change("test value");
@@ -50,7 +54,10 @@ public void TextInput_BindsValueCorrectly()
     public void TextInput_AppliesCustomClass()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Class, "my-custom-class"));
 
         // Assert
@@ -66,7 +73,10 @@ public void TextInput_AppliesCustomClass()
     public void TextInput_SupportsPlaceholder()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Placeholder, "Enter your name"));
 
         // Assert
@@ -81,7 +91,10 @@ public void TextInput_SupportsPlaceholder()
     public void TextInput_SupportsDisabledState()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Disabled, true));
 
         // Assert
@@ -96,7 +109,10 @@ public void TextInput_SupportsDisabledState()
     public void TextInput_SupportsTypeChange()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Type, "password"));
 
         // Assert
@@ -111,7 +127,10 @@ public void TextInput_SupportsTypeChange()
     public void TextInput_SupportsRequiredAttribute()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.Required, true));
 
         // Assert
@@ -126,7 +145,10 @@ public void TextInput_SupportsRequiredAttribute()
     public void TextInput_RendersHelperText()
     {
         // Arrange & Act
+        var value = "";
         var cut = RenderComponent<TextInput<string>>(parameters => parameters
+            .Add(p => p.Value, value)
+            .Add(p => p.ValueExpression, () => value)
             .Add(p => p.HelperText, "This field is required"));
 
         // Assert
@@ -143,7 +165,8 @@ public void TextInput_WithIntValue_BindsCorrectly()
         var boundValue = 0;
         var cut = RenderComponent<TextInput<int>>(parameters => parameters
             .Add(p => p.Value, boundValue)
-            .Add(p => p.ValueChanged, newValue => boundValue = newValue));
+            .Add(p => p.ValueChanged, newValue => boundValue = newValue)
+            .Add(p => p.ValueExpression, () => boundValue));
 
         // Act
         cut.Find("input").Change("42");