/// <summary>
/// Builds a basic UrlHelper mock
/// </summary>
private Mock<UrlHelper> MockUrlHelper(Type controller, BuildMockRouteFunc routeFunc)
{
var routeAttributeType = typeof (RouteAttribute);
// get the base route from the attributes
var controllerRoutePrefix = controller.CustomAttributes.FirstOrDefault(attr => attr.AttributeType == typeof (RoutePrefixAttribute));
var routeBase = controllerRoutePrefix != null ? controllerRoutePrefix.ConstructorArguments[0].Value + "/" : "";
// get the route from the attributes
var assembly = Assembly.GetAssembly(controller);
var routeMethods = assembly.GetTypes() // get all methods with RouteAttribute
.SelectMany(type => type.GetMembers())
.Union(assembly.GetTypes())
.Where(type => Attribute.IsDefined(type, routeAttributeType));
// build a dictionary from the attributes
var routeAttributes = routeMethods.SelectMany(meth => meth.CustomAttributes.Where(attr => attr.AttributeType == routeAttributeType))
.Where(attr => attr.NamedArguments != null && attr.NamedArguments.Count > 0);
// ReSharper disable once AssignNullToNotNullAttribute - previous linq assures it is not null
var routes = routeAttributes.ToDictionary(attr => (string)attr.NamedArguments.FirstOrDefault(na => na.MemberName == "Name").TypedValue.Value,
attr => routeBase + attr.ConstructorArguments[0]);
// mock the UrlHelper
var urlMock = new Mock<UrlHelper>();
urlMock.Setup(m => m.Route(It.IsAny<string>(), It.IsAny<Dictionary<string, object>>()))
// try to replace the id param with the param value
.Returns(routeFunc(routes));
return urlMock;
}
/// <summary>
/// Standard test init actions
/// </summary>
protected void TestInitialize(ControllerBase controller, BuildMockRouteFunc routeFunc)
{
// mock the UrlHelper
var urlMock = this.MockUrlHelper(controller.GetType(), routeFunc);
controller.Url = urlMock.Object;
AssertRand.AssertionCounter = 0;
}
