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Fixture

by @xueyetianya

Generate and manage test data fixtures using CLI templates. Use when creating seed data, mock records, or reproducible test datasets.

Versionv1.0.0

Downloads360

Installs1

#data #legal #productivity

View on ClawHub →

TERMINAL

clawhub install fixture

📖 About This Skill

name: fixture version: "1.0.0" description: "Generate and manage test data fixtures using CLI templates. Use when creating seed data, mock records, or reproducible test datasets." author: BytesAgain homepage: https://bytesagain.com source: https://github.com/bytesagain/ai-skills

Fixture — Test Data Fixture Generator

A CLI tool for generating, managing, and exporting test data fixtures. Create reproducible datasets from templates with seeded randomness for consistent test environments.

Prerequisites

Python 3.8+

bash shell

Write access to ~/.fixture/

Data Storage

All fixtures are stored in JSONL format at ~/.fixture/data.jsonl. Templates are stored at ~/.fixture/templates.json.

Commands

Run commands via: bash scripts/script.sh [arguments...]

create

Create a new fixture record with specified fields and values.

bash scripts/script.sh create --name "test_user" --type user --fields '{"name":"Alice","email":"alice@test.com","age":30}'

Arguments:

--name — Fixture name/label (required)

--type — Fixture type/category (required)

--fields — JSON object of field values (required)

load

Load fixtures from a JSON or JSONL file into the fixture store.

bash scripts/script.sh load --file fixtures.json
bash scripts/script.sh load --file data.jsonl --format jsonl

Arguments:

--file — Input file path (required)

--format — File format: json, jsonl (optional, default: auto-detect)

dump

Dump all fixtures or filtered subset to stdout or a file.

bash scripts/script.sh dump
bash scripts/script.sh dump --type user --output users.json

Arguments:

--type — Filter by fixture type (optional)

--output — Output file path (optional, default: stdout)

list

List all fixtures with summary information.

bash scripts/script.sh list
bash scripts/script.sh list --type user

Arguments:

--type — Filter by fixture type (optional)

seed

Generate multiple fixture records from a template with seeded random data.

bash scripts/script.sh seed --template user --count 10 --seed 42

Arguments:

--template — Template name to use (required)

--count — Number of records to generate (required)

--seed — Random seed for reproducibility (optional)

reset

Clear all fixtures or a specific type from the data store.

bash scripts/script.sh reset
bash scripts/script.sh reset --type user

Arguments:

--type — Only reset fixtures of this type (optional)

--confirm — Skip confirmation prompt (optional)

template

Manage fixture templates: create, list, or show template definitions.

bash scripts/script.sh template --list
bash scripts/script.sh template --create user --schema '{"name":"string","email":"email","age":"int:18-65"}'
bash scripts/script.sh template --show user

Arguments:

--list — List all templates (optional)

--create — Create template with given name (optional)

--schema — JSON schema for template creation (optional)

--show — Show a specific template (optional)

validate

Validate fixtures against their template schema.

bash scripts/script.sh validate
bash scripts/script.sh validate --type user

Arguments:

--type — Validate only a specific type (optional)

export

Export fixtures to various formats: JSON, JSONL, CSV, SQL.

bash scripts/script.sh export --output fixtures.csv --format csv
bash scripts/script.sh export --output seed.sql --format sql --table users

Arguments:

--output — Output file path (required)

--format — Export format: json, jsonl, csv, sql (required)

--table — Table name for SQL export (optional)

import

Import fixtures from external sources or standard formats.

bash scripts/script.sh import --file data.csv --type user

Arguments:

--file — Input file path (required)

--type — Assign fixture type (required)

help

Display help information and list all available commands.

bash scripts/script.sh help

version

Display the current tool version.

bash scripts/script.sh version

Examples

# Create a template
bash scripts/script.sh template --create user --schema '{"name":"string","email":"email","age":"int:18-65"}'
Seed 50 users
bash scripts/script.sh seed --template user --count 50 --seed 42
List all fixtures
bash scripts/script.sh list
Export to SQL
bash scripts/script.sh export --output seed.sql --format sql --table users
Reset all data
bash scripts/script.sh reset --confirm

Notes

Templates define field types: string, email, int:min-max, float:min-max, bool, uuid, date

Seeded generation guarantees identical output given the same seed

Use validate to check fixtures match their template schema

SQL export generates INSERT statements compatible with most databases

💡 Examples

# Create a template
bash scripts/script.sh template --create user --schema '{"name":"string","email":"email","age":"int:18-65"}'
Seed 50 users
bash scripts/script.sh seed --template user --count 50 --seed 42
List all fixtures
bash scripts/script.sh list
Export to SQL
bash scripts/script.sh export --output seed.sql --format sql --table users
Reset all data
bash scripts/script.sh reset --confirm

⚙️ Configuration

Python 3.8+

bash shell

Write access to ~/.fixture/

📋 Tips & Best Practices

Templates define field types: string, email, int:min-max, float:min-max, bool, uuid, date

Seeded generation guarantees identical output given the same seed

Use validate to check fixtures match their template schema

SQL export generates INSERT statements compatible with most databases