public async Task ProcessAsync_AddsValueToContext()
{
// Arrange
var summaryListContext = new SummaryListContext();
var rowContext = new SummaryListRowContext();
var context = new TagHelperContext(
tagName: "govuk-summary-list-row-key",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SummaryListContext), summaryListContext },
{ typeof(SummaryListRowContext), rowContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-summary-list-row-key",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Key content");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SummaryListRowKeyTagHelper();
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Equal("Key content", rowContext.Key.Value.Content.RenderToString());
}
public async Task ProcessAsync_RowAlreadyHasValueThrowsInvalidOperationException()
{
// Arrange
var summaryListContext = new SummaryListContext();
var rowContext = new SummaryListRowContext();
rowContext.TrySetKey(new HtmlString("Existing key"));
var context = new TagHelperContext(
tagName: "govuk-summary-list-row-key",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SummaryListContext), summaryListContext },
{ typeof(SummaryListRowContext), rowContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-summary-list-row-key",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Key content");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SummaryListRowKeyTagHelper();
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("Cannot render <govuk-summary-list-row-key> here.", ex.Message);
}
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-key",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(SummaryListContext), summaryListContext },
{ typeof(SummaryListRowContext), rowContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-summary-list-row-key",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Key content");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new SummaryListRowKeyTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-summary-list-row-key> must be specified before <govuk-summary-list-row-action>.", ex.Message);
}
