public void SetTitle_AlreadyGotTitle_ThrowsInvalidOperationException()
{
// Arrange
var context = new PanelContext();
context.SetTitle(new HtmlString("Title"));
// Act
var ex = Record.Exception(() => context.SetTitle(new HtmlString("Title")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Only one <govuk-panel-title> element is permitted within each <govuk-panel>.", ex.Message);
}
public async Task ProcessAsync_ParentAlreadyHasTitle_ThrowsInvalidOperationException()
{
// Arrange
var panelContext = new PanelContext();
panelContext.SetTitle(new HtmlString("The title"));
var context = new TagHelperContext(
tagName: "govuk-panel-title",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(PanelContext), panelContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-panel-title",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("The title");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new PanelTitleTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Only one <govuk-panel-title> element is permitted within each <govuk-panel>.", ex.Message);
}
public void SetTitle_AlreadyGotBody_ThrowsInvalidOperationException()
{
// Arrange
var context = new PanelContext();
context.SetBody(new HtmlString("Body"));
// Act
var ex = Record.Exception(() => context.SetTitle(new HtmlString("Title")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("<govuk-panel-title> must be specified before <govuk-panel-body>.", ex.Message);
}