> For the complete documentation index, see [llms.txt](https://help.swarmia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.swarmia.com/settings/organization/pull-request-test-file-rules.md).

# Test file rules

In pull request settings, you can define [gitignore-style](https://git-scm.com/docs/gitignore) rules that classify changed files as test files. Files that do not match are classified as code.

Use test file rules when you want separate metrics for code changes and test changes — for example, to see how much production code changed compared to test updates in a pull request.

[Test file rules settings](https://app.swarmia.com/settings/pull-requests/test-file-rules)

## How rules work

* One pattern per line
* Paths are relative to the repository root
* Test file rules do not exclude files from pull request size calculations — use [file exclusion rules](/settings/organization/pull-request-data-quality.md) for that

## Default patterns

New organizations start with common test file patterns, such as `*.test.ts`, `__tests__/**`, and `*_test.go`. You can edit these rules to match how your repositories name test files.

## After you save

When you update test file rules, Swarmia recalculates file classifications for your pull requests. This may take a while for large organizations.


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