Category "dependency-injection"

How can I build an IOptionsMonitor<T> for testing?

For the normal IOptions interface, you can manually build an instance e.g. this SO question. Is there any equivalent way to make an IOptionsMonitor instance wi

Best strategy for creating a child container (or isolated scope) with Microsoft.Extensions.DependencyInjection

In my AspNetCore application, I process messages that arrive from a queue. In order to process a message, I need to resolve some services. Some of those service

.Net MAUI - AppShell navigation & dependency injection

I'm playing around with .Net Maui, AppShell and dependency injection. I try to call a page with a constructor which takes the ViewModel of this page as paramete

How do I register a HandlerInterceptor with constructor dependencies in Spring Boot

My use case is running custom code before a controller method by annotating methods. HandlerInterceptor seems the way to go but it seems impossible to inject d

ASP.NET Core IHostedService manual start/stop/pause(?)

I would like to implement a recurring (timed) IHostedService instance in ASPNET Core that can be stopped and started on demand. My understanding is that IHoste

ASP.NET Core IHostedService manual start/stop/pause(?)

I would like to implement a recurring (timed) IHostedService instance in ASPNET Core that can be stopped and started on demand. My understanding is that IHoste

ASP.NET Core IHostedService manual start/stop/pause(?)

I would like to implement a recurring (timed) IHostedService instance in ASPNET Core that can be stopped and started on demand. My understanding is that IHoste

MapStruct not autowiring with Kotlin and Spring Boot, built using Gradle

I have the following parts in my gradle file: apply plugin: 'kotlin-kapt' ... compile("org.mapstruct:mapstruct:1.3.0.Final") kapt("org.mapstruct:mapstr

Are Angular Service Modules still required?

In the angular docs, it lists the types of feature modules that one can implement. One of those being a service module. https://angular.io/guide/module-types

Where is the Balance Between Dependency Injection and Abstraction?

Many Architects and Engineers recommend Dependency Injection and other Inversion of Control patterns as a way to improve the testability of your code. There's n

.NET Core console app Mediatr command handler doesn't get called

I'm facing a problem that Mediatr command handler is not called. I have the following solution structure. Project.sln -> Application layer (.NET standard cl

Is it possible to switch Azure functions standard DI container for another?

Currently I am using DI in azure functions the standard way public class Startup : FunctionsStartup { public override void Configure(IFunctionsHostBuilder b

Create class and auto-initialize dependencies with FakeItEasy

Is it possible to create a class under test with FakeItEasy, where all dependencies that are declared in the constructor are initialized automatically with fake

Is it possible to inject a specific configuration class bound as a suboption and not to IConfiguration<MyType>?

I have a class that I want injected into some controllers. It has a few dependencies that I want to be automatically injected. Specifically this class requires

ASP.NET Core Dependency Injection error: Unable to resolve service for type while attempting to activate

I created an .NET Core MVC application and use Dependency Injection and Repository Pattern to inject a repository to my controller. However, I am getting an err

Dagger @Reusable scope vs @Singleton

From the User's Guide: Sometimes you want to limit the number of times an @Inject-constructed class is instantiated or a @Provides method is called, but y

Is it possible to use Dependency Injection with xUnit?

I have a test class with a constructor that needs an IService. public class ConsumerTests { private readonly IService _service; public ConsumerTests(IS

Best way to override FastAPI dependencies for testing with a different dependency for each test

According to FastAPI official documentation the recommended way to override the dependencies for testing is to do it globally before all tests are run: asy

The right way to DI NpgsqlConnection postgreSQL with multiple connectionString in ASP.NET Core 3.1

I'm struggling to register DI NpgsqlConnection() with multiple connection strings in ASP.NET Core 3.1, Dapper v2.0.78 & Postgres v11. I will provide the cur

Large scale server application using DDD with Python? [closed]

We are preparing to build a large scale server application. To model the logic effectively we're planning to use DDD, including the tactical p

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