public async Task ProcessAsync_SelectedAttributeExplicitlySet_IgnoresModelExpression()
{
// Arrange
var modelValue = "bar";
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(Model), new Model()
{
SimpleProperty = modelValue
})
.GetExplorerForProperty(nameof(Model.SimpleProperty));
var viewContext = new ViewContext();
var modelExpression = nameof(Model.SimpleProperty);
var modelHelper = new Mock <IModelHelper>();
modelHelper.Setup(mock => mock.GetModelValue(viewContext, modelExplorer, modelExpression)).Returns(modelValue);
var selectContext = new SelectContext(aspFor: new ModelExpression(modelExpression, modelExplorer));
var context = new TagHelperContext(
tagName: "govuk-select-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SelectContext), selectContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-select-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Item text"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SelectItemTagHelper(modelHelper.Object)
{
Selected = false,
Value = modelValue,
ViewContext = viewContext
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
selectContext.Items,
item =>
{
Assert.False(item.Selected);
});
}
public async Task ProcessAsync_AddItemsToContext()
{
// Arrange
var selectContext = new SelectContext(aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-select-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SelectContext), selectContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-select-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Item text"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SelectItemTagHelper()
{
Disabled = true,
Selected = true,
Value = "value"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
selectContext.Items,
item =>
{
Assert.Equal("Item text", item.Content.RenderToString());
Assert.True(item.Disabled);
Assert.True(item.Selected);
Assert.Equal("value", item.Value);
});
}
