static IUrlHelper NewUrlHelper(string controller, string action, string version)
{
var services = new ServiceCollection();
services.AddOptions();
services.AddLogging();
services.AddRouting();
services.AddSingleton <ObjectPoolProvider, DefaultObjectPoolProvider>()
.AddSingleton(UrlEncoder.Default);
services.AddMvcCore();
services.AddApiVersioning();
var provider = services.BuildServiceProvider();
var httpContext = new DefaultHttpContext()
{
RequestServices = provider
};
var routeBuilder = CreateRouteBuilder(provider);
var actionContext = new ActionContext()
{
HttpContext = httpContext
};
var constraint = new ApiVersionRouteConstraint();
httpContext.Features.Set <IApiVersioningFeature>(new ApiVersioningFeature(httpContext));
routeBuilder.MapRoute("default", "v{version:apiVersion}/{controller}/{action}");
var router = routeBuilder.Build();
actionContext.RouteData = new RouteData()
{
Values =
{
[nameof(controller)] = controller,
[nameof(action)] = action,
[nameof(version)] = version,
},
Routers =
{
router,
}
};
actionContext.RouteData.Routers.Add(router);
constraint.Match(httpContext, router, nameof(version), actionContext.RouteData.Values, IncomingRequest);
var factory = provider.GetRequiredService <IUrlHelperFactory>();
return(factory.GetUrlHelper(actionContext));
}
public void match_should_return_false_when_route_key_is_missing()
{
// arrange
var httpContext = NewHttpContext();
var route = new Mock <IRouter>().Object;
var values = new RouteValueDictionary();
var routeDirection = IncomingRequest;
var constraint = new ApiVersionRouteConstraint();
// act
var matched = constraint.Match(httpContext, route, "version", values, routeDirection);
// assert
matched.Should().BeFalse();
}
public void match_should_return_false_when_route_parameter_is_invalid(string version)
{
// arrange
var httpContext = NewHttpContext();
var route = new Mock <IRouter>().Object;
var routeKey = nameof(version);
var values = new RouteValueDictionary()
{
[routeKey] = version
};
var routeDirection = IncomingRequest;
var constraint = new ApiVersionRouteConstraint();
// act
var matched = constraint.Match(httpContext, route, routeKey, values, routeDirection);
// assert
matched.Should().BeFalse();
}
public void match_should_return_expected_result_for_url_generation(string key, string value, bool expected)
{
// arrange
var httpContext = NewHttpContext();
var route = new Mock <IRouter>().Object;
var values = new RouteValueDictionary();
var routeDirection = UrlGeneration;
var constraint = new ApiVersionRouteConstraint();
if (!IsNullOrEmpty(key))
{
values[key] = value;
}
// act
var matched = constraint.Match(httpContext, route, key, values, routeDirection);
// assert
matched.Should().Be(expected);
}
public void match_should_return_true_when_matched()
{
// arrange
var httpContext = new Mock <HttpContext>();
var route = new Mock <IRouter>().Object;
var values = new RouteValueDictionary()
{
["version"] = "2.0"
};
var routeDirection = IncomingRequest;
var constraint = new ApiVersionRouteConstraint();
httpContext.SetupProperty(c => c.Items, new Dictionary <object, object>());
// act
var matched = constraint.Match(httpContext.Object, route, "version", values, routeDirection);
// assert
matched.Should().BeTrue();
}