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maui-unit-testing

Implement xUnit unit tests for .NET MAUI ViewModels with mocks.

Updated Dec 25, 2025
Search Tags:#mocking#unit-testing#code-coverage#xunit#viewmodel#maui#on-device-testing
One-click install
npx skills add https://github.com/heldercsousa/MyVocaList --skill maui-unit-testing-heldercsousa
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: maui-unit-testing
Source: https://github.com/heldercsousa/MyVocaList/tree/main/.claude/skills/maui-unit-testing
Command: npx skills add https://github.com/heldercsousa/MyVocaList --skill maui-unit-testing-heldercsousa

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Guides developers to implement reliable unit tests for .NET MAUI apps using xUnit. It covers test project setup, ViewModel testing, mocking MAUI services, code coverage, and on-device test runners across desktop and device scenarios.

Core Features & Use Cases

  • Establish test projects aligned with MAUI projects and cross-target frameworks to ensure desktop-test compatibility.
  • Validate ViewModels and services via interface-first patterns, with mocks (e.g., Moq) to isolate UI logic from platform dependencies.
  • Enable code coverage, CI integration, and on-device testing workflows to improve reliability in real-world MAUI scenarios.

Quick Start

Create a new MAUI-focused xUnit test project and write a simple ViewModel test to validate loading data.

Frequently Asked Questions about maui-unit-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up xUnit testing for .NET MAUI ViewModels?▼

To set up xUnit testing for .NET MAUI ViewModels, create a MAUI-focused test project aligned with cross-target frameworks. Apply interface-first patterns and dependency injection to isolate UI logic from platform dependencies for deterministic test execution.

What is the best way to mock MAUI services in unit tests?▼

Mock MAUI services in unit tests using interface-first patterns with frameworks like Moq. This isolates UI logic from platform dependencies, ensuring reliable and deterministic test execution for ViewModels and services.

Can I run xUnit tests on physical devices with .NET MAUI?▼

Yes, you can run xUnit tests on physical devices with .NET MAUI using on-device test runners. This workflow supports executing tests across desktop and device targets to improve reliability in real-world MAUI scenarios.

Does interface-first testing work for MAUI cross-target frameworks?▼

Interface-first testing works for MAUI cross-target frameworks by validating ViewModels and services via dependency injection. This ensures desktop-test compatibility and deterministic execution across different platform targets.

How do I measure code coverage for MAUI unit tests?▼

Measure code coverage for MAUI unit tests by enabling code coverage tools within your xUnit test project setup. This integrates with CI workflows to track test effectiveness and improve reliability across your MAUI application.

Why are my MAUI unit tests failing due to platform dependencies?▼

MAUI unit tests fail due to platform dependencies when ViewModels lack decoupled interfaces. Enforcing interface-first patterns and using mocks like Moq isolates UI logic, ensuring deterministic test execution without hitting actual platform services.

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