public async Task ProcessAsync_ParentAlreadyHasAction_ThrowsInvalidOperationException()
{
// Arrange
var summaryListContext = new SummaryListContext();
var rowContext = new SummaryListRowContext();
rowContext.AddAction(new HtmlGeneration.SummaryListRowAction()
{
Content = new HtmlString("Action")
});
var context = new TagHelperContext(
tagName: "govuk-summary-list-row-actions",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SummaryListContext), summaryListContext },
{ typeof(SummaryListRowContext), rowContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-summary-list-row-actions",
attributes: new TagHelperAttributeList()
{
{ "class", "additional-class" }
},
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SummaryListRowActionsTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-summary-list-row-actions> must be specified before <govuk-summary-list-row-action>.", ex.Message);
}
