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TraceCov

Schema-level API coverage down to individual keywords.

Your API tests pass. But did you actually test the validation rules?

Hitting POST /users with {"name": "Alice", "age": 30} gives you 100% endpoint coverage—but you haven't tested empty names, negative ages, or strings that are too long.

TraceCov measures coverage at the schema keyword level: minLength, pattern, enum, minimum - not just endpoints.

API Coverage Report

Install

pip install tracecov

Quick Start

import tracecov
import requests

# Load your OpenAPI schema
coverage = tracecov.CoverageMap.from_path("openapi.json")

# Wrap your session to track requests
session = coverage.requests.track_session(requests.Session())

# Run your tests as usual
session.post("https://api.example.com/users", json={"name": "Alice"})
session.get("https://api.example.com/users/123")

# Generate the report
coverage.save_report()

What It Tracks

Dimension What it measures
Operations HTTP method + path combinations called
Parameters Path, query, header, cookie, body coverage
Keywords JSON Schema validation rules (minLength, pattern, etc.)
Examples Schema examples and defaults used
Responses HTTP status codes returned

Documentation

https://docs.tracecov.sh/

Feedback

Help shape TraceCov: 2-minute survey

Professional Edition

For advanced features, contact info@tracecov.sh.

Metadata

Release files for tracecov 0.25.0

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