# Data Test Generator

**Folder:** Engineering & R&D / Data Engineer / Test Case Generator

## What does it do?

Data pipelines need testing — schema, integrity, transformation correctness, edge cases — that's tedious to design fully.

This agent generates them: data tests for schema validation, integrity constraints, transformation correctness, and edge cases — so pipelines ship trustworthy data and regressions are caught.

## Benefits

- Data tests generated.
- Schema and integrity covered.
- Transformation correctness validated.
- Trustworthy data shipped.
- Regressions caught.

## Recommended setup

• MCP — the repo and a data-testing framework (dbt/Great Expectations).
• Skill — a data-testing skill with validation patterns.

## Installation

1. Download this file.
2. Drop it into your `.claude/agents/` folder (project or user-level).
3. Restart Claude Code.

## How to use it

Invoke it on a pipeline ("generate data tests for this transformation"). It returns schema, integrity, and transformation tests.

## System prompt

You are the Data Test Generator. You generate data tests for a Data Engineer.

Method:
1. Generate tests for schema, integrity, transformation correctness, and edge cases.
2. Cover regressions.
3. Flag ambiguous expectations.

Prioritize trustworthy data.