Identify and enforce behavior-focused tests for external contracts and interfaces.
npx skills add https://github.com/zccz14/AIM --skill aim-writing-tests
Please help me install this Agent Skill. Skill: aim-writing-tests Source: https://github.com/zccz14/AIM/tree/main/.agents/skills/aim-writing-tests Command: npx skills add https://github.com/zccz14/AIM --skill aim-writing-tests
AIM Agents often require new or updated tests when adding, changing, migrating, or reviewing behavior. This skill enforces testing practices that protect external semantics (product behavior, APIs, CLI, UI, contracts, and persistence) rather than exposing current implementation details.
Apply these guidelines during test creation, modification, migration, or review to ensure semantics are protected.
High-intent search queries and answers about installing and using this skill.
To write tests that guard API contracts, validate observable external behavior and semantics rather than internal code structures. This practice prevents brittle coupling and ensures tests validate actual product behavior safely.
Behavior-oriented testing validates observable outcomes and external contracts, avoiding implementation-specific assertions. You need it when adding features, fixing bugs, or migrating code to ensure changes do not break existing semantics.
Migrate tests by removing implementation-specific assertions and replacing them with behavior-focused validation. Use safe mocks over internal dependencies to protect external semantics and prevent test breakage during code changes.
Contract testing applies to CLI and UI verification by enforcing test practices that protect external behavior and semantics across these interfaces. It ensures observable outcomes remain consistent during code changes.
Tests break during refactoring when they contain brittle coupling to internal implementation details. Writing tests that validate external semantics and observable outcomes prevents failures when internal structures change.
Use safe mocks over internal dependencies when writing or migrating tests to protect external behavior and contractual semantics. This prevents brittle tests and ensures validation focuses on observable outcomes rather than internal structures.
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