Category Archives for ASP.NET Core

ASP.NET Core Dependency Injection – Cannot consume scoped service

When working with ASP.NET Core and it’s Dependency Injection container, you will likely run into an error that’s similar to this one: Some services are not able to be constructed (Error while validating the service descriptor ‘ServiceType: AspNetCoreDi.IMyConnectionManager Lifetime: Singleton ImplementationType: AspNetCoreDi.MyConnectionManager’: Cannot consume scoped service ‘AspNetCoreDi.IMyScopedService’ from singleton ‘AspNetCoreDi.IMyConnectionManager’.) This happens when you have […]

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ASP.NET Core – Unit testing IAuthorizationService and dependencies inside of your controller

Unit Testing – IAuthorizationService, Requirement and Handler You have a controller that makes use of IAuthorizationService and you have a custom requirement – implementation of IAuthorizationRequirement. You might also have your custom handler which is an implementation of IAuthorizationHandler. As an honourable .NET Core citizen, you are doing some unit tests for your controller and […]

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