public void SetDescription_AlreadyGotDescription_ThrowsInvalidOperationException()
{
// Arrange
var context = new ErrorSummaryContext();
context.SetDescription(attributes: null, content: new HtmlString("Existing description"));
// Act
var ex = Record.Exception(() => context.SetDescription(attributes: null, content: new HtmlString("Description")));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("Only one <govuk-error-summary-description> element is permitted within each <govuk-error-summary>.", ex.Message);
}
public void SetDescription_SetsDescriptionOnContext()
{
// Arrange
var context = new ErrorSummaryContext();
// Act
context.SetDescription(attributes: null, content: new HtmlString("Description"));
// Assert
Assert.Equal("Description", context.Description?.Content?.RenderToString());
}