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create-unit-test

Testing & Quality
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Create and run unit tests following the project's architecture and guidelines (Robolectric, naming, location).

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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
Prompt to paste
I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/AnySoftKeyboard/AnySoftKeyboard/blob/HEAD/.claude/skills/create-unit-test/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/create-unit-test/. Do not write files or run scripts until I approve.

After I approve, install the complete skill folder, including required referenced files, into that project location. Verify it is discoverable, then tell me its actual invocation name and how to use it. Do not claim it is installed until you have verified it.

Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Create Unit Test

This skill guides the creation of unit tests to ensuring consistency and correctness.

Workflow

  1. Analyze and Plan:

    • Goal: Understand what needs testing.
    • Action: Examine the source code.
    • Action: Identify "happy path" cases (core functionality).
    • Action: Identify "error cases" and "edge cases" based on likelihood.
    • Action: Do not suggest implementation details unless asked; focus on behavior.

  2. Setup Test File:

    • Naming: [OriginalClassName]Test.kt.
    • Location: [module]/src/test/java/[package/path]/.
    • Runner: If testing Android components, you MUST use Robolectric.
    • Mocking: Prefer creating Fakes over Mocks or patches. Use Mocks only if Fakes are too complex.

  3. Implement Tests:

    • Write clear, descriptive test methods.
    • Follow the "Arrange-Act-Assert" pattern.
    • Ensure all resources (strings, themes) are properly mocked or provided via Robolectric.

  4. Run Tests:

    • Command: ./gradlew :[module]:testDebugUnitTest
    • Example: ./gradlew :database:testDebugUnitTest
    • Tip: Before any commit, run ./gradlew testDebugUnitTest to ensure everything passes.

  5. Handle Failures:

    • Goal: Diagnose and fix issues.
    • Action: If a test fails, locate the full error report.
    • Path: [module]/build/test-results/testDebugUnitTest/TEST-[package.name.TestClassName].xml.
    • Example: app/build/test-results/testDebugUnitTest/TEST-com.anysoftkeyboard.janus.app.MainActivityTest.xml.

Guidelines

  • Consistency: Always place tests in the test source set, not androidTest (unless specifically writing instrumentation tests, which is rare for this skill).
  • Reliability: Avoid flaky tests. Ensure deterministic behavior.