# test.govlab/quality/core/registries/step.registry.test.ts

> 12 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-govlab-quality-core-registries-step-registry-test-ts
Source text: https://banes-lab.com/source/testing/test.govlab/quality/core/registries/step.registry.test.ts.txt

Listed in [test.govlab/quality/core/registries](https://banes-lab.com/api/source/testing/test.govlab/quality/core/registries.md), after [test.govlab/quality/core/registries/section.registry.test.ts](https://banes-lab.com/source/testing/test.govlab/quality/core/registries/section.registry.test.ts.md) and before [test.govlab/quality/core/registries/stylelint.registry.test.ts](https://banes-lab.com/source/testing/test.govlab/quality/core/registries/stylelint.registry.test.ts.md).

## Contained in

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

## Source

```typescript
import { defineStep, registeredSteps } from "@govlab/quality/core/registries/step.registry.ts";
import { expect, test } from "vitest";

const run = async (): Promise<Record<string, never>> => {
    await Promise.resolve();
    return {};
};

test("defineStep registers each step once, and registeredSteps lists them by name", () => {
    defineStep({ gives: [], name: "second", needs: [], run });
    defineStep({ gives: [], name: "first", needs: [], run });
    expect(registeredSteps().map((step) => step.name)).toStrictEqual(["first", "second"]);
    expect(() => defineStep({ gives: [], name: "first", needs: [], run })).toThrow('"first"');
});
```