covdiff

Compare coverage reports

Overview

Covdiff is primarily used to compare coverage reports generated by the fuzzing team and Mozilla CI.

Usage

usage: __main__.py [-h] [-f FILE] reports reports dest

Compare two coverage reports

positional arguments:
  reports                 Reports to compare
  dest                    Path to store results

optional arguments:
  -h, --help              show this help message and exit
  -f FILE, --filter FILE  Path to filter list

Where to get reports?

# Fetch a coverage report from a fuzzmanager instance
wget https://fuzzmanager/covmanager/collections/1234/download/ -O fuzzing.json

# Fetch a coverage report from CI
# Replace `{REVISION}` or use `latest`
wget https://firefox-ci-tc.services.mozilla.com/api/index/v1/task/project.relman.code-coverage.production.repo.mozilla-central.{REVISION}/artifacts/public/code-coverage-report.json -O ci.json

Contributing

This project includes numerous pre-commit hooks. Before committing, please make sure that these hooks are installed.

pre-commit install