public void BuildRoute_ValidatesConstraintType_InvalidType()
{
// Arrange
var actions = GetActions();
var builder = new DirectRouteBuilder(actions, targetIsAction: true);
var constraint = new Uri("http://localhost/");
var constraints = new TRouteValueDictionary();
constraints.Add("custom", constraint);
builder.Constraints = constraints;
builder.Template = "c/{id}";
#if ASPNETWEBAPI
string expectedMessage =
"The constraint entry 'custom' on the route with route template 'c/{id}' " +
"must have a string value or be of a type which implements 'System.Web.Http.Routing.IHttpRouteConstraint'.";
#else
string expectedMessage =
"The constraint entry 'custom' on the route with route template 'c/{id}' " +
"must have a string value or be of a type which implements 'System.Web.Routing.IRouteConstraint'.";
#endif
// Act & Assert
Assert.Throws<InvalidOperationException>(() => builder.Build(), expectedMessage);
}
public void BuildRoute_ValidatesConstraintType_StringRegex()
{
// Arrange
var actions = GetActions();
var builder = new DirectRouteBuilder(actions, targetIsAction: true);
var constraint = "product|products";
var constraints = new TRouteValueDictionary();
constraints.Add("custom", constraint);
builder.Constraints = constraints;
// Act
var routeEntry = builder.Build();
// Assert
Assert.NotNull(routeEntry.Route.Constraints["custom"]);
}
public void CreateRoute_ValidatesConstraintType_TRouteConstraint()
{
// Arrange
var actions = GetActions();
var builder = new DirectRouteBuilder(actions, targetIsAction: true);
var constraint = new AlphaRouteConstraint();
var constraints = new TRouteValueDictionary();
constraints.Add("custom", constraint);
builder.Constraints = constraints;
// Act
var routeEntry = builder.Build();
// Assert
Assert.NotNull(routeEntry.Route.Constraints["custom"]);
}
/// <summary>Creates a route builder that can build a route matching this context.</summary>
/// <param name="template">The route template.</param>
/// <param name="constraintResolver">
/// The inline constraint resolver to use, if any; otherwise, <see langword="null"/>.
/// </param>
/// <returns>A route builder that can build a route matching this context.</returns>
public IDirectRouteBuilder CreateBuilder(string template, IInlineConstraintResolver constraintResolver)
{
DirectRouteBuilder builder = new DirectRouteBuilder(_actions, _targetIsAction);
#if ASPNETWEBAPI
string prefixedTemplate = BuildRouteTemplate(_prefix, template);
#else
string prefixedTemplate = BuildRouteTemplate(_areaPrefix, _controllerPrefix, template ?? String.Empty);
#endif
ValidateTemplate(prefixedTemplate);
if (constraintResolver != null)
{
TRouteDictionary defaults = new TRouteDictionary();
TRouteDictionary constraints = new TRouteDictionary();
string detokenizedTemplate = InlineRouteTemplateParser.ParseRouteTemplate(prefixedTemplate, defaults,
constraints, constraintResolver);
TParsedRoute parsedRoute = RouteParser.Parse(detokenizedTemplate);
decimal precedence = RoutePrecedence.Compute(parsedRoute, constraints);
builder.Defaults = defaults;
builder.Constraints = constraints;
builder.Template = detokenizedTemplate;
builder.Precedence = precedence;
builder.ParsedRoute = parsedRoute;
}
else
{
builder.Template = prefixedTemplate;
}
return builder;
}
private static IHttpRoute CreateDirectRoute(string template,
IReadOnlyCollection<ReflectedHttpActionDescriptor> actions)
{
DirectRouteBuilder builder = new DirectRouteBuilder(actions, targetIsAction: true);
builder.Template = template;
return builder.Build().Route;
}
