dotnet-testing-advanced

.NET Advanced Testing Skills Overview

This file is the "Advanced Testing Navigation Hub", helping you find the correct advanced sub-skills. Advanced testing involves complex details such as container management and WebApplicationFactory configuration. Sub-skills include complete setup guidance and common troubleshooting, and loading the correct sub-skill ensures users receive complete guidance.

Match the corresponding advanced sub-skill based on user needs, load it using the Skill tool, and let the sub-skill provide professional integration testing guidance.

Quick Skill Reference Table

Keywords mentioned by the user → Advanced sub-skill to load

Integration Testing Skills

User says...	Load command	Purpose description
API testing, Controller testing, endpoint testing	`/skill dotnet-testing-advanced-aspnet-integration-testing`	Basic API integration testing
Complete CRUD, WebAPI testing, business process testing	`/skill dotnet-testing-advanced-webapi-integration-testing`	Complete API process testing
WebApplicationFactory、TestServer	`/skill dotnet-testing-advanced-aspnet-integration-testing`	WebApplicationFactory usage

Containerized Testing Skills

User says...	Load command	Purpose description
SQL Server container、PostgreSQL、MySQL	`/skill dotnet-testing-advanced-testcontainers-database`	Relational database container testing
MongoDB、Redis、Elasticsearch	`/skill dotnet-testing-advanced-testcontainers-nosql`	NoSQL database container testing
Real database, EF Core testing, Dapper testing	`/skill dotnet-testing-advanced-testcontainers-database`	Real database behavior testing
Testcontainers, container testing, Docker testing	`/skill dotnet-testing-advanced-testcontainers-database`	Testcontainers basics

Microservices Testing Skills

User says...	Load command	Purpose description
.NET Aspire, microservices testing, distributed testing	`/skill dotnet-testing-advanced-aspire-testing`	Aspire microservices testing
DistributedApplication, inter-service communication	`/skill dotnet-testing-advanced-aspire-testing`	Aspire application testing

Framework Upgrade Skills

User says...	Load command	Purpose description
xUnit upgrade, xUnit 3.x, version upgrade	`/skill dotnet-testing-advanced-xunit-upgrade-guide`	xUnit 2.x → 3.x upgrade
TUnit, new test framework, TUnit basics	`/skill dotnet-testing-advanced-tunit-fundamentals`	TUnit basics and migration
TUnit advanced, TUnit DI, parallel execution	`/skill dotnet-testing-advanced-tunit-advanced`	TUnit advanced features

Usage Flow Examples

使用者：請幫我建立 ProductsController 的 API 整合測試

AI：我注意到您需要進行 API 整合測試。根據快速對照表，
    我應該載入 dotnet-testing-advanced-aspnet-integration-testing skill。

    [使用 Skill tool 載入子技能]

AI：現在按照 ASP.NET Core Integration Testing skill 的指引為您建立測試...

Complete Skill List

To view the complete list of 8 advanced skills, detailed decision tree, and learning path recommendations, please continue reading the subsequent content of this file.

Quick Decision Tree

Quickly find the corresponding advanced sub-skill based on the testing scenario (API testing, real database, microservices, framework migration). Covers 4 major scenarios and multiple option branches.

For detailed content, please refer to references/decision-tree.md

Skill Category Map

The 8 advanced skills are divided into three major categories: integration testing (4), microservices testing (1), and framework migration (3), including each skill's core value, suitable scenarios, learning difficulty, and prerequisites.

For details, please refer to references/skill-classification-map.md

Common Task Mapping Table

A complete mapping of 7 common tasks, including scenario descriptions, recommended skills, implementation steps, prompt examples, and expected code structure.

For details, please refer to references/task-mapping-table.md

Integration Testing Level Mapping

Choose a suitable testing strategy based on project complexity:

Level 1: Simple WebApi project

Project characteristics：

Simple CRUD API
No external dependencies or uses in-memory implementations
Simple business logic

Recommended skills：

dotnet-testing-advanced-aspnet-integration-testing

Testing focus：

Route validation
Model binding
HTTP response
Basic business logic

Example project：

TodoList API
Simple product catalog

Level 2: WebApi project with dependent Services

Project characteristics：

Has a business logic layer (Services)
Depends on external services (can be Mocked)
Medium complexity

Recommended skill combination：

dotnet-testing-advanced-aspnet-integration-testing(Basic)
dotnet-testing-nsubstitute-mocking(Mock dependencies)

Testing strategy：

Use NSubstitute to create Service stubs
Test the interaction between Controller and Service
Verify error handling

Example project：

E-commerce API (with inventory and order services)
CMS system

Level 3: Complete WebApi project

Project characteristics：

Complex business logic
Requires a real database
May have external API integration
Complete error handling

Recommended skill combination：

dotnet-testing-advanced-webapi-integration-testing(Complete workflow)
dotnet-testing-advanced-testcontainers-database(Real database)
dotnet-testing-advanced-testcontainers-nosql(If NoSQL is used)

Testing strategy：

Use Testcontainers to set up a real database
Complete end-to-end testing
Test data preparation and cleanup
Verify all error scenarios

Example project：

Large e-commerce platform
Enterprise-level management system
SaaS application

Learning path recommendations

Includes a complete learning plan and daily learning focus, such as integration testing introduction (1 week), microservices testing specialization (3-5 days), and framework migration path.

For details, please refer to references/learning-paths.md

Skill combination recommendations

Based on different project requirements, the following skill combinations are recommended:

Combination 1: Complete API testing project

Suitable for: Building a complete test suite for a formal project

Skill combination：

dotnet-testing-advanced-aspnet-integration-testing(Basic)
dotnet-testing-advanced-testcontainers-database(Real database)
dotnet-testing-advanced-webapi-integration-testing(Complete workflow)

Learning order：

First learn aspnet-integration-testing to understand the basics
Then learn testcontainers-database to master database testing
Finally learn webapi-integration-testing for integrated application

Expected outcome：

Able to build complete tests for Web API projects
Validate behavior using a real database
Test all CRUD endpoints and error handling

Combination 2: Microservices Testing Solution

Suitable for: Microservices architecture, distributed systems

Skill combination：

dotnet-testing-advanced-aspire-testing(core)
dotnet-testing-advanced-testcontainers-database(database)
dotnet-testing-advanced-testcontainers-nosql（NoSQL）

Learning order：

First learn testcontainers (database testing fundamentals)
Then learn aspire-testing (microservices testing)

Expected outcomes：

Test .NET Aspire projects
Verify communication between services
Test using a containerized environment

Combination 3: Framework Modernization

Suitable for: Test framework upgrades or migrations

Option A: xUnit upgrade

Skills：

dotnet-testing-advanced-xunit-upgrade-guide

Suitable for：

Existing projects using xUnit 2.x
Want to upgrade to the latest version

Option B: TUnit migration

Skill combination：

dotnet-testing-advanced-tunit-fundamentals(fundamentals)
dotnet-testing-advanced-tunit-advanced(advanced)

Suitable for：

Choosing a test framework for a new project
Considering migrating from xUnit

Learning order：

First learn fundamentals to understand the basics
Then learn advanced to master advanced features

Prerequisite skill requirements

Before learning advanced skills, it is recommended to first master the following foundational skills (from the dotnet-testing foundational skill set):

Required skills

1. dotnet-testing-unit-test-fundamentals

Why it is required：

Integration tests also follow the 3A Pattern
The FIRST principles also apply
Need to understand basic testing concepts

2. dotnet-testing-xunit-project-setup

Why it is required：

Need to create a test project
Understand the project structure
Understand package management

3. dotnet-testing-awesome-assertions-guide

Why it is required：

Integration tests need to verify HTTP responses
FluentAssertions.Web provides powerful API assertions
Improve test readability

Recommended skills

1. dotnet-testing-nsubstitute-mocking

Why it is recommended：

Integration tests may need to mock external services
WebApplicationFactory needs to replace services

2. dotnet-testing-autofixture-basics

Why it is recommended：

Quickly generate test data
Reduce boilerplate code in integration tests

Guided conversation examples

4 complete conversation examples showing how AI guides the selection of the correct skills: API testing, microservices testing, framework upgrades, TUnit evaluation.

For details, please refer to references/conversation-examples.md

Relationship with foundational skills

Advanced skills build on foundational skills:

Basic testing capabilities → dotnet-testing(foundational skill set)

Unit testing fundamentals
Test data generation
Assertions and mocking
Special scenario handling

↓ Advanced application

Advanced integration testing → dotnet-testing-advanced(this skill set)

Web API integration testing
Containerized testing
Microservices testing
Framework upgrades

Learning advice: First complete the dotnet-testing core skills of the foundational skill set, then proceed to this advanced skill set.

Output format

Recommend specific advanced sub-skill names and loading commands based on user needs
Provide a brief rationale explaining why that skill was chosen
If multiple skill combinations are involved, list the suggested learning order

Related Resources

Original Data Sources

iThome Ironman Series Articles：Old-School Software Engineer's Testing Training - 30-Day Challenge 2025 iThome Ironman Software Development Group Champion
Complete Sample Code：30Days_in_Testing_Samples Executable code containing all sample projects

Technical Requirements

Integration Testing Skills：

.NET 8+
Docker Desktop
WSL2 (Windows environment)

Aspire Testing Skills：

.NET 8+
.NET Aspire Workload
Docker Desktop

Next Steps

Choose an advanced skill that matches your needs to start learning, or tell me your specific situation and I will recommend the most suitable learning path!

Quick Start：

Want to test an API → Start with dotnet-testing-advanced-aspnet-integration-testing start
Need a real database → Start with dotnet-testing-advanced-testcontainers-database start
Microservices project → Use dotnet-testing-advanced-aspire-testing
Framework upgrade → Use the corresponding upgrade guide
Not sure → Tell me about your project situation and I will help you analyze it

About this skill

Quick Skill Reference Table

Integration Testing Skills

Containerized Testing Skills

Microservices Testing Skills

Framework Upgrade Skills

Usage Flow Examples

Complete Skill List

Quick Decision Tree

Skill Category Map

Common Task Mapping Table

Integration Testing Level Mapping

Level 1: Simple WebApi project

Level 2: WebApi project with dependent Services

Level 3: Complete WebApi project

Learning path recommendations

Skill combination recommendations

Combination 1: Complete API testing project

Combination 2: Microservices Testing Solution

Combination 3: Framework Modernization

Option A: xUnit upgrade

Option B: TUnit migration

Prerequisite skill requirements

Required skills

1. dotnet-testing-unit-test-fundamentals

2. dotnet-testing-xunit-project-setup

3. dotnet-testing-awesome-assertions-guide

Recommended skills

1. dotnet-testing-nsubstitute-mocking

2. dotnet-testing-autofixture-basics

Guided conversation examples

Relationship with foundational skills

Output format

Related Resources

Original Data Sources

Technical Requirements

Next Steps