# test.govlab/docs/core/predicates/reference.predicate.test.ts

> 21 lines of code and 0 definitions.

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

Listed in [test.govlab/docs/core/predicates](https://banes-lab.com/api/source/testing/test.govlab/docs/core/predicates.md), after [test.govlab/docs/core/predicates/record.predicate.test.ts](https://banes-lab.com/source/testing/test.govlab/docs/core/predicates/record.predicate.test.ts.md) and before [test.govlab/docs/core/predicates/taxonomy.domain.predicate.test.ts](https://banes-lab.com/source/testing/test.govlab/docs/core/predicates/taxonomy.domain.predicate.test.ts.md).

## Contained in

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

## Source

```typescript
import { describe, expect, it } from "vitest";
import { isExternalTarget, isRelativeTarget } from "@govlab/docs/core/predicates/reference.predicate.ts";
import { isCodeFile } from "@govlab/docs/core/predicates/source.predicate.ts";

describe("the target predicates", () => {
    it("tell an external, a relative and a workspace target apart", () => {
        expect(["", "https://x.dev", "/abs", "~/home", "@scope/pkg", "docs/a.md"].map(isExternalTarget)).toStrictEqual([
            true,
            true,
            true,
            true,
            true,
            false,
        ]);
        expect(["./a.md", "../a.md", "a.md"].map(isRelativeTarget)).toStrictEqual([true, true, false]);
    });
});

describe("isCodeFile", () => {
    it("accepts source extensions and refuses prose", () => {
        expect([isCodeFile("a.ts"), isCodeFile("a.md")]).toStrictEqual([true, false]);
    });
});
```