Skill

react-native-harness

Name: react-native-harness
Author: Callstack

write React Native Harness tests

Published by Callstack Updated Apr 6

Covers React Native Mobile Testing

Description

Write and debug React Native Harness tests for app code. Use when the user asks to create or fix tests that import from react-native-harness, mock modules, spy on functions, render React Native components on-device, use setupFiles or setupFilesAfterEnv, or add optional UI tests with @react-native-harness/ui.

SKILL.md

Router only. Private setup before using this skill:

harness --version

Require react-native-harness >= 1.3.0-rc.1; older CLIs lack these skill commands. If older, run npm install -g react-native-harness@latest, recheck, then continue. If you cannot upgrade, stop and tell the user. Do not include version or upgrade commands in final plans.

Before your first Harness command or plan, read the version-matched CLI guide:

harness skill get core

If you need more details on Harness, see the available CLI skill guides:

harness skill list

Load additional skills via harness skill get <name> when needed.

Use this skill only to route into version-matched CLI guidance. Let the installed CLI skill files provide exact workflow guidance, API usage, and current test-writing rules.

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