# test.govlab/docs/core/adapters/vcs.adapter.test.ts

> 14 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-govlab-docs-core-adapters-vcs-adapter-test-ts
Source text: https://banes-lab.com/source/testing/test.govlab/docs/core/adapters/vcs.adapter.test.ts.txt

Listed in [test.govlab/docs/core/adapters](https://banes-lab.com/api/source/testing/test.govlab/docs/core/adapters.md), after [test.govlab/docs/core/adapters/shell.adapter.test.ts](https://banes-lab.com/source/testing/test.govlab/docs/core/adapters/shell.adapter.test.ts.md).

## Contained in

- [test.govlab/docs/core/adapters](https://banes-lab.com/anatomy/testing/folder-testing-test-govlab-docs-core-adapters.md)

## Source

```typescript
import { afterAll, describe, expect, it } from "vitest";
import { mkdtempSync, rmSync } from "node:fs";
import { deriveRepoMetrics } from "@govlab/docs/core/adapters/vcs.adapter.ts";
import { join } from "node:path";
import { tmpdir } from "node:os";

const outside = mkdtempSync(join(tmpdir(), "doc-vcs-"));

afterAll(() => {
    rmSync(outside, { force: true, recursive: true });
});

describe("deriveRepoMetrics", () => {
    it("derives nothing for a folder outside any work tree", () => {
        expect(deriveRepoMetrics(outside)).toBeNull();
    });
});
```