public void it_should_keep_searching_backwards_until_a_viewable_match_is_found()
{
const FormSection validSection = FormSection.OrganisationDetails;
const string startActionName = "startName";
const string noViewActionName = "no";
const string lastActionName = "last";
config.Fields = new Dictionary <FormSection, FormPageDefinition[]>
{
{
validSection,
new[]
{
new FormPageDefinition(nameof(ExampleViewModel.Populated), startActionName),
new FormPageDefinition(nameof(ExampleViewModel.SubModel), noViewActionName),
new FormPageDefinition(nameof(ExampleViewModel.Populated), lastActionName)
}
}
};
var parent = new ExampleViewModel {
CanView = false
};
var result = form.GetPreviousPossiblePage(validSection, lastActionName, parent);
Assert.IsTrue(result.MatchesName(startActionName));
}
/// <summary>
/// Returns a redirect action for the first view previous to the supplied view that
/// can be viewed based on the state of the parent view model.
/// </summary>
/// <typeparam name="T">The type of the parent view model.</typeparam>
/// <param name="section">The forms section.</param>
/// <param name="actionName">The name of the action to look for views before.</param>
/// <param name="model">The parent view model.</param>
/// <returns>A redirect <see cref="RedirectToActionResult"/> for the previous possible view with the <code>back</code> indicator.</returns>
protected IActionResult RedirectToPreviousPossibleView <T>(FormSection section, string actionName, T model)
{
var nextPage = FormDefinition.GetPreviousPossiblePage(section, actionName, model);
return(RedirectBackToAction(section, nextPage.ActionName));
}
