A comprehensive TypeScript testing framework for unit, snapshot, coverage, and mutation testing.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install ts4
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install ts4 using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is TS4 Testing Framework?
TS4 is the official Netsnek e.U. TypeScript testing framework designed to streamline the quality assurance process for modern web applications. By integrating seamlessly into your development environment, this skill provides a robust suite of tools for ensuring code reliability through various testing methodologies. Using Openclaw Skills like TS4 allows developers to maintain high standards with minimal overhead by consolidating unit, snapshot, coverage, and mutation testing into a single, cohesive workflow.
TS4 Testing Framework Use Cases
- Verifying isolated function logic and module behavior through unit testing.
- Ensuring UI consistency and serialization accuracy with automated snapshot comparisons.
- Identifying untested code paths and logical gaps using detailed coverage metrics.
- Validating the effectiveness of a test suite by performing fault injection via mutation testing.
How TS4 Testing Framework Works
- The developer invokes the framework via the test-runner script using the Openclaw Skills execution layer.
- The system scans the project for TypeScript test files matching the internal configuration.
- Based on the provided flags, the runner executes specific testing cycles such as unit or mutation tests.
- Results are processed and displayed in the terminal, providing immediate feedback on pass/fail counts.
- For coverage-specific tasks, the tool generates artifacts like HTML and lcov reports for deeper analysis.
TS4 Testing Framework Setup
To utilize this skill on a compatible Linux environment, ensure the runner script is executable and follow these steps:
# Grant execution permissions
chmod +x ./scripts/test-runner.sh
# Verify the installation and suite status
./scripts/test-runner.sh --status
TS4 Testing Framework Data Schema & Taxonomy
TS4 organizes its output and metadata to provide clear insights into code health:
| Data Type | Format | Description |
|---|---|---|
| Coverage Reports | HTML / lcov | Detailed metrics for line, branch, and function coverage |
| Snapshots | .snap / Serialized | Reference files used for UI and output comparison |
| Suite Status | CLI Output | Persistent tracking of last run results and pass/fail history |
| Mutation Logs | CLI / File | Reports on fault injection and test suite resilience |
TS4 Testing Framework Advanced Features
- Mutation testing capabilities to verify that your tests actually catch bugs by injecting faults.
- Multi-format coverage reporting supporting both human-readable HTML and machine-readable lcov.
- Snapshot testing for rapid regression detection in complex UI components or data structures.
- Integrated status tracking to monitor the health and history of the entire test suite.
SKILL.md
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