Test Data Generator

beginnertestingMin 16K context

Generates realistic test data, fixtures, and seed files for databases and APIs. Creates data that respects constraints (foreign keys, unique fields, valid formats) and covers edge cases. Supports JSON, SQL, CSV, and factory patterns.

test-data fixtures seeding mocking factories

Use Cases

Generating database seed files for development
Creating API response fixtures for frontend testing
Building factory functions (Faker.js, Factory Boy)
Generating edge case data (unicode, long strings, nulls)
Creating realistic demo data for presentations

Example Prompt

Generate test data for the following schema:

```sql
[paste schema or describe entities]
```

Requirements:
- 20 records per table
- Realistic names, emails, dates (not "test1", "test2")
- Respect foreign key relationships
- Include edge cases: empty strings, max-length values, special characters
- Output format: [SQL INSERT / JSON / TypeScript factory functions]

Additional constraints:
- [e.g., "dates should span last 6 months", "include some inactive users"]

Recommended Models

claude-sonnet-4-6 gpt-5-4-mini gemini-2-5-flash deepseek-v4

Compatible Tools

claude-codecursorgithub-copilotkiroany

Modalities

Input: text, code

→

Output: code

Author

OpenModels Community

@openmodelsrun