# test.govlab/docs/core/selectors/markdown.selector.test.ts

> 29 lines of code and 0 definitions.

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

Listed in [test.govlab/docs/core/selectors](https://banes-lab.com/api/source/testing/test.govlab/docs/core/selectors.md), after [test.govlab/docs/core/selectors/code.typescript.selector.test.ts](https://banes-lab.com/source/testing/test.govlab/docs/core/selectors/code.typescript.selector.test.ts.md) and before [test.govlab/docs/core/selectors/metadata.selector.test.ts](https://banes-lab.com/source/testing/test.govlab/docs/core/selectors/metadata.selector.test.ts.md).

## Contained in

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

## Source

```typescript
import { describe, expect, it } from "vitest";
import { isProsePath, nextToken, pathSpans, trimEdges } from "@govlab/docs/core/selectors/markdown.selector.ts";

describe("trimEdges and isProsePath", () => {
    it("trim surrounding punctuation and a sentence full stop, keeping a double dot", () => {
        expect(trimEdges("(src/a.ts),")).toBe("src/a.ts");
        expect(trimEdges("src/a.ts.")).toBe("src/a.ts");
        expect(trimEdges("(src/a.ts).")).toBe("src/a.ts");
        expect(trimEdges("etc..")).toBe("etc..");
    });

    it("accept relative paths and paths with a known extension, and refuse URLs and packages", () => {
        expect(["./x", "src/a.ts", "https://x.dev/a.ts", "@scope/pkg/a.ts", "and/or"].map(isProsePath)).toStrictEqual([
            true,
            true,
            false,
            false,
            false,
        ]);
    });
});

describe("nextToken and pathSpans", () => {
    it("step over inline space and locate each path span in prose", () => {
        expect(nextToken("  word next", 0)).toStrictEqual({ next: 6, start: 2 });
        const prose = "Edit src/a.ts and (docs/b.md).";
        expect(pathSpans(prose).map(([start, end]) => prose.slice(start, end))).toStrictEqual([
            "src/a.ts",
            "docs/b.md",
        ]);
    });
});
```