aspire-integration-testing
Integration Testing with .NET Aspire + xUnit
When to Use This Skill
Use this skill when:
- Writing integration tests for .NET Aspire applications
- Testing ASP.NET Core apps with real database connections
- Verifying service-to-service communication in distributed applications
- Testing with actual infrastructure (SQL Server, Redis, message queues) in containers
- Combining Playwright UI tests with Aspire-orchestrated services
- Testing microservices with proper service discovery and networking
Core Principles
- Real Dependencies - Use actual infrastructure (databases, caches) via Aspire, not mocks
- Dynamic Port Binding - Let Aspire assign ports dynamically (
127.0.0.1:0) to avoid conflicts - Fixture Lifecycle - Use
IAsyncLifetimefor proper test fixture setup and teardown - Endpoint Discovery - Never hard-code URLs; discover endpoints from Aspire at runtime
- Parallel Isolation - Use xUnit collections to control test parallelization
More from wshaddix/dotnet-skills
csharp-wolverinefx
Build .NET applications with WolverineFX for messaging, HTTP services, and event sourcing. Use when implementing command handlers, message handlers, HTTP endpoints with WolverineFx.HTTP, transactional outbox patterns, event sourcing with Marten, CQRS architectures, cascading messages, batch message processing, or configuring transports like RabbitMQ, Azure Service Bus, or Amazon SQS.
374modern-csharp-coding-standards
Write modern, high-performance C# code using records, pattern matching, value objects, async/await, Span<T>/Memory<T>, and best-practice API design patterns. Emphasizes functional-style programming with C# 12+ features. Use when writing new C# code or refactoring existing code, designing public APIs for libraries or services, optimizing performance-critical code paths, or building async/await-heavy applications.
364testcontainers
Patterns for using Testcontainers in .NET integration tests to spin up real dependencies like databases and message queues. Use when writing integration tests that require real databases, testing with message brokers like RabbitMQ or Kafka, or isolating test dependencies with Docker containers.
357logging-observability
Production-grade logging and observability patterns for ASP.NET Core Razor Pages. Covers structured logging with Serilog, correlation IDs, health checks, request logging, OpenTelemetry integration, and diagnostic best practices. Use when setting up structured logging in ASP.NET Core applications, implementing distributed tracing with OpenTelemetry, or configuring health checks and observability.
357microsoft-extensions-dependency-injection
Dependency injection patterns and best practices using Microsoft.Extensions.DependencyInjection for .NET applications. Use when configuring DI containers in .NET, choosing between service lifetimes (Singleton, Scoped, Transient), or implementing decorator patterns and service interception.
354validation-patterns
Comprehensive validation patterns for ASP.NET Core applications. Covers FluentValidation integration, DataAnnotations, IValidatableObject, IValidateOptions<T>, MediatR pipeline behavior, and client-side validation. Use when implementing validation in ASP.NET Core applications, setting up FluentValidation, creating custom validators, configuring options validation, or implementing cross-field validation.
353