public async Task ProcessAsync_ParentAlreadyHasText_ThrowsInvalidOperationException()
{
// Arrange
var detailsContext = new DetailsContext();
detailsContext.SetText(new AttributeDictionary(), new HtmlString("The text"));
var context = new TagHelperContext(
tagName: "govuk-details-summary",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(DetailsContext), detailsContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-details-summary",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("The summary");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new DetailsSummaryTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-details-summary> must be specified before <govuk-details-text>.", ex.Message);
}
public void ThrowIfStagesIncomplete_StageAtTextDoesNotThrow()
{
// Arrange
var ctx = new DetailsContext();
ctx.SetSummary(attributes: null, new HtmlString("Summary"));
ctx.SetText(attributes: null, new HtmlString("Text"));
// Act & Assert
Assert.Equal(DetailsRenderStage.Text, ctx.RenderStage);
ctx.ThrowIfStagesIncomplete();
}
public void SetSummary_StageAtTextThrowsInvalidOperationException()
{
// Arrange
var ctx = new DetailsContext();
ctx.SetSummary(attributes: null, new HtmlString("Summary"));
ctx.SetText(attributes: null, new HtmlString("Text"));
// Act & Assert
Assert.Equal(DetailsRenderStage.Text, ctx.RenderStage);
var ex = Assert.Throws <InvalidOperationException>(() => ctx.SetSummary(attributes: null, new HtmlString("Summary")));
Assert.Equal("Cannot render <govuk-details-summary> here.", ex.Message);
}