Migrating Dart Tests to Package Checks

Use this skill when you need to migrate a Dart test suite from the legacy package:matcher (which is exported by default from package:test/test.dart) to the modern, type-safe, and literate package:checks assertion library.

Contents

• When to Use This Skill
• How to Use This Skill (The Workflow)
• Key Syntax Differences and Pitfalls
• Matcher-to-Checks Mapping Table
• Matchers with No Direct Replacements
• Strategies for Discovery
• Examples