Mocktail Skill

This skill defines how to correctly use the mocktail package for mocking in Dart and Flutter tests.

1. Mock vs. Fake vs. Real Object

Use	When
Real object	Prefer over mocks when practical.
Fake (`extends Fake`)	Lightweight custom implementation; override only the methods you need. Prefer over mocks when you don't need interaction verification.
Mock (`extends Mock`)	Only when you need to verify interactions (call counts, arguments) or stub dynamic responses.

Never add @override methods or implementations to a class extending Mock.
Only use mocks if your test has verify assertions; otherwise prefer real or fake objects.

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112

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GitHub Stars

637

First Seen

Mar 11, 2026

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