# test.build/core/converters/link.converter.test.ts

> 24 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-build-core-converters-link-converter-test-ts
Source text: https://banes-lab.com/source/testing/test.build/core/converters/link.converter.test.ts.txt

Listed in [test.build/core/converters](https://banes-lab.com/api/source/testing/test.build/core/converters.md), after [test.build/core/converters/lexicon.converter.test.ts](https://banes-lab.com/source/testing/test.build/core/converters/lexicon.converter.test.ts.md) and before [test.build/core/converters/location.converter.test.ts](https://banes-lab.com/source/testing/test.build/core/converters/location.converter.test.ts.md).

## Contained in

- [test.build/core/converters](https://banes-lab.com/anatomy/testing/folder-testing-test-build-core-converters.md)

## Source

````typescript
import { describe, expect, it } from "vitest";
import { relationGroups, rewriteTargets } from "@banes-lab/build-scripts/core/converters/link.converter.ts";

describe("relationGroups", () => {
    it("merges groups of one relation, drops a link it already holds, and drops a relation left empty", () => {
        const first = { href: null, json: "https://x.test/json/a", label: "A", markdown: null, ref: "a" };
        const second = { href: null, json: "https://x.test/json/b", label: "B", markdown: null, ref: "b" };
        const merged = relationGroups([
            { links: [first], relation: "uses" },
            { links: [], relation: "used-by" },
            { links: [first, second], relation: "uses" },
        ]);
        expect(merged.map((group) => [group.relation, group.links.map((link) => link.ref)])).toStrictEqual([
            ["uses", ["a", "b"]],
        ]);
    });
});

describe("rewriteTargets", () => {
    it("rewrites every link target outside a fence and leaves fenced lines alone", () => {
        const text = "See [a](/a) and [b](#b).\n```\n[c](/c)\n```\n[d](/d)";
        expect(rewriteTargets(text, (target) => target.toUpperCase())).toBe(
            "See [a](/A) and [b](#B).\n```\n[c](/c)\n```\n[d](/D)",
        );
    });
});
````