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@zerovoids/http-mock

v0.1.2

Published

Mock Transport and test helpers for @zerovoids/http

Readme

@zerovoids/http-mock

Mock transport — for tests, local dev, and Storybook

npm npm downloads license types

Install · Usage · Matchers · Scenarios · 메인 리포


소개

Mock Transport for @zerovoids/http. 테스트 · 로컬 개발 · Storybook 어디서든 실제 네트워크 없이 파이프라인 전체를 커버.

  • 🎯 Routes — string / RegExp path, method, body / headers matcher
  • ⏱ Delay — 지연 시뮬레이션
  • 🔄 scenario() — sequenced responses (flaky API, eventual success)
  • 📜 calls[] + reset() — 호출 히스토리 조회

📦 Install

pnpm add -D @zerovoids/http-mock

🚀 Usage

import { createClient } from "@zerovoids/http";
import { createMockTransport } from "@zerovoids/http-mock";

const transport = createMockTransport({
  routes: [
    {
      method: "GET",
      path: "/users/1",
      response: { status: 200, body: JSON.stringify({ id: 1 }) },
    },
  ],
  onUnmatched: "throw",  // "throw" | "404"
});

const api = createClient({ adapters, transport });

🎯 Route matcher

| 필드 | 타입 | 동작 | |---|---|---| | method | HttpMethod | 완전 일치 | | path | string \| RegExp | string → url.endsWith(path), RegExp → test(url) | | response | MockResponseInit \| (req) => init | 정적 or 함수 팩토리 | | delay | number | 응답 전 ms 지연 | | body | (body) => boolean | false 반환 시 route skip → fallthrough | | headers | Record<string, string \| RegExp> | 모두 일치해야 매칭 |

여러 route 가 겹쳐도 body / headers matcher 로 fallthrough — 순서대로 평가됩니다.

📜 Call history

transport.calls;   // ReadonlyArray<{ url, method, headers, body }>
transport.reset(); // 히스토리 clear
// 테스트 예
expect(transport.calls).toHaveLength(1);
expect(transport.calls[0].method).toBe("POST");
expect(transport.calls[0].body).toMatchObject({ email: "…" });

🔄 scenario() — sequenced responses

연속된 응답으로 flaky API 시뮬레이션:

import { createMockTransport, scenario } from "@zerovoids/http-mock";

const transport = createMockTransport({
  routes: [{
    method: "GET",
    path: "/flaky",
    response: scenario(
      [
        { status: 500 },
        { status: 500 },
        { status: 200, body: '{"ok":true}' },
      ],
      { onExhausted: "last" },   // "cycle" | "last" | "throw"
    ),
  }],
});
  • cycle (기본) — 소진 시 처음으로 루프
  • last — 마지막 응답 유지 (retry 수렴 테스트에 적합)
  • throwkind: "network" NormalizedError 로 표면화

🔗 관련 링크

License

MIT © zerovoids