# Chrome/Chromium Code Coverage Plugin

The purpose of this plugin is to surface code coverage data on Gerrit UI.

## Development

### Checking out the code

To check out the chromium-coverage plugin code:

```
git clone https://chromium.googlesource.com/infra/gerrit-plugins/code-coverage
```

### Running the tests

The unit tests of the plugin are [web-component-tester unit tests][1].
Dependencies are specified in bower.json and can be installed by running
`bower install` in this directory. This requires [bower to be
installed](https://bower.io/#install-bower).

To run the tests, run `wct` from this directory.  See `wct --help`
for more options.

## To use with the local testsite

ln -s /path/to/chromium-coverage.html plugins/

## Project Configuration

This plugin is configured via the `project.config` file present in the repo's
`refs/meta/config` ref. This file uses git config format. By default, the
coverage percentage columns in the file list are hidden to avoid visual
distraction in unrelated projects, and in order to have them displayed, please
add the following config:
```
[plugin "code-coverage"]
  enabled = true
```

[1]: https://www.polymer-project.org/1.0/docs/tools/tests