/// <summary>
/// Adds isolated tenant level routing services.
/// </summary>
private static void AddRouting(OrchardCoreBuilder builder)
{
// 'AddRouting()' is called by the host.
builder.ConfigureServices(collection =>
{
// The routing system is not tenant aware and uses a global list of endpoint data sources which is
// setup by the default configuration of 'RouteOptions' and mutated on each call of 'UseEndPoints()'.
// So, we need isolated routing singletons (and a default configuration) per tenant.
var implementationTypesToRemove = new ServiceCollection().AddRouting()
.Where(sd => sd.Lifetime == ServiceLifetime.Singleton || sd.ServiceType == typeof(IConfigureOptions <RouteOptions>))
.Select(sd => sd.GetImplementationType())
.ToArray();
var descriptorsToRemove = collection
.Where(sd => (sd is ClonedSingletonDescriptor || sd.ServiceType == typeof(IConfigureOptions <RouteOptions>)) &&
implementationTypesToRemove.Contains(sd.GetImplementationType()))
.ToArray();
foreach (var descriptor in descriptorsToRemove)
{
collection.Remove(descriptor);
}
collection.AddRouting();
},
order: Int32.MinValue + 100);
}
public void TestMakeReadOnly()
{
var serviceCollection = new ServiceCollection();
var descriptor = new ServiceDescriptor(typeof(IFakeService), new FakeService());
serviceCollection.Add(descriptor);
serviceCollection.MakeReadOnly();
var descriptor2 = new ServiceDescriptor(typeof(IFakeEveryService), new FakeService());
Assert.Throws <InvalidOperationException>(() => serviceCollection[0] = descriptor2);
Assert.Throws <InvalidOperationException>(() => serviceCollection.Clear());
Assert.Throws <InvalidOperationException>(() => serviceCollection.Remove(descriptor));
Assert.Throws <InvalidOperationException>(() => serviceCollection.Add(descriptor2));
Assert.Throws <InvalidOperationException>(() => serviceCollection.Insert(0, descriptor2));
Assert.Throws <InvalidOperationException>(() => serviceCollection.RemoveAt(0));
Assert.True(serviceCollection.IsReadOnly);
Assert.Equal(1, serviceCollection.Count);
foreach (ServiceDescriptor d in serviceCollection)
{
Assert.Equal(descriptor, d);
}
Assert.Equal(descriptor, serviceCollection[0]);
Assert.True(serviceCollection.Contains(descriptor));
Assert.Equal(0, serviceCollection.IndexOf(descriptor));
ServiceDescriptor[] copyArray = new ServiceDescriptor[1];
serviceCollection.CopyTo(copyArray, 0);
Assert.Equal(descriptor, copyArray[0]);
// ensure MakeReadOnly can be called twice, and it is just ignored
serviceCollection.MakeReadOnly();
Assert.True(serviceCollection.IsReadOnly);
}
