refactor: 引入 Checker 统一接口与 Runner 抽象机制
定义 Checker 接口（resolve/execute/serialize）和 CheckerRegistry 注册中心，消除 engine/config-loader/store 中硬编码类型分支。 按 checker 类型分子包（runner/http/、runner/command/），提取 共享 expect 到 runner/shared/。超时控制通过引擎注入 AbortSignal。 CheckFailure.phase 从联合类型改为 string。配置校验下沉到各 Checker.resolve() 内部。 新增 checker-runner-abstraction spec，更新 DEVELOPMENT.md。
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tests/server/checker/runner/http/runner.test.ts
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180
tests/server/checker/runner/http/runner.test.ts
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import { afterAll, beforeAll, describe, expect, test } from "bun:test";
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import { HttpChecker } from "../../../../../src/server/checker/runner/http/runner";
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import type { CheckerContext } from "../../../../../src/server/checker/runner/types";
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import type { ResolvedHttpTarget } from "../../../../../src/server/checker/types";
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const checker = new HttpChecker();
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describe("HttpChecker", () => {
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let server: ReturnType<typeof Bun.serve>;
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let baseUrl: string;
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beforeAll(() => {
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server = Bun.serve({
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port: 0,
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fetch(req) {
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const url = new URL(req.url);
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switch (url.pathname) {
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case "/ok":
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return new Response("hello world", {
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headers: { "content-type": "text/plain", "x-custom": "test-value" },
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});
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case "/json":
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return new Response(JSON.stringify({ status: "ok" }), {
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headers: { "content-type": "application/json" },
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});
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case "/echo":
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return new Response(JSON.stringify({ method: req.method, body: req.body ? "present" : "empty" }), {
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headers: { "content-type": "application/json" },
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});
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case "/large":
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return new Response("x".repeat(2000));
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case "/notfound":
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return new Response("not found", { status: 404 });
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default:
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return new Response("ok");
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}
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},
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});
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baseUrl = `http://localhost:${server.port}`;
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});
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afterAll(() => {
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server.stop();
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});
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function makeTarget(overrides: {
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url?: string;
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method?: string;
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body?: string;
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headers?: Record<string, string>;
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expect?: Record<string, unknown>;
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maxBodyBytes?: number;
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timeoutMs?: number;
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}): ResolvedHttpTarget {
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return {
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type: "http",
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name: "test-http",
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group: "default",
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http: {
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url: overrides.url ?? `${baseUrl}/ok`,
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method: overrides.method ?? "GET",
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headers: overrides.headers ?? {},
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body: overrides.body,
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maxBodyBytes: overrides.maxBodyBytes ?? 1024 * 1024,
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},
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intervalMs: 60000,
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timeoutMs: overrides.timeoutMs ?? 5000,
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expect: overrides.expect as ResolvedHttpTarget["expect"],
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};
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}
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function makeCtx(timeoutMs = 5000): CheckerContext {
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const controller = new AbortController();
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setTimeout(() => controller.abort(), timeoutMs);
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return { signal: controller.signal };
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}
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test("成功请求 200", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok` }), makeCtx());
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expect(result.matched).toBe(true);
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expect(result.statusDetail).toBe("HTTP 200");
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expect(result.durationMs).not.toBeNull();
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expect(result.failure).toBeNull();
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});
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test("404 不匹配默认 status [200]", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/notfound` }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.statusDetail).toBe("HTTP 404");
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expect(result.failure!.phase).toBe("status");
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});
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test("404 匹配自定义 status [404]", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/notfound`, expect: { status: [404] } }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("headers 检查通过", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: { headers: { "x-custom": "test-value" } } }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("headers 检查失败", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: { headers: { "x-custom": "wrong-value" } } }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.failure!.phase).toBe("headers");
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});
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test("body contains 检查", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: { body: [{ contains: "hello" }] } }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("body contains 失败", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: { body: [{ contains: "nonexistent" }] } }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.failure!.phase).toBe("body");
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});
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test("body json 检查", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/json`, expect: { body: [{ json: { path: "$.status", equals: "ok" } }] } }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("响应体超过 maxBodyBytes", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/large`, maxBodyBytes: 100, expect: { body: [{ contains: "x" }] } }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.failure!.phase).toBe("body");
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expect(result.failure!.message).toContain("超过限制");
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});
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test("请求超时", async () => {
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const timeoutServer = Bun.serve({
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port: 0,
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async fetch() {
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await new Promise((resolve) => setTimeout(resolve, 10000));
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return new Response("late");
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},
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});
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try {
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const result = await checker.execute(makeTarget({ url: `http://localhost:${timeoutServer.port}/`, timeoutMs: 100 }), makeCtx(100));
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expect(result.matched).toBe(false);
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expect(result.failure!.message).toContain("超时");
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} finally {
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timeoutServer.stop();
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}
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});
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test("快速失败：status 失败时不读取 body", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/notfound`, expect: { status: [200], body: [{ contains: "something" }] } }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.failure!.phase).toBe("status");
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});
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test("status 通过但 body 失败", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: { status: [200], body: [{ contains: "not-in-body" }] } }), makeCtx());
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expect(result.matched).toBe(false);
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expect(result.failure!.phase).toBe("body");
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});
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test("无 expect 时默认检查 status 200", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/ok`, expect: undefined }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("POST 请求携带 body", async () => {
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const result = await checker.execute(makeTarget({ url: `${baseUrl}/echo`, method: "POST", body: "test-body", headers: { "content-type": "text/plain" }, expect: { status: [200], body: [{ json: { path: "$.body", equals: "present" } }] } }), makeCtx());
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expect(result.matched).toBe(true);
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});
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test("serialize 返回 URL 和 config JSON", () => {
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const target = makeTarget({});
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const s = checker.serialize(target);
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expect(s.target).toBe(target.http.url);
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const config = JSON.parse(s.config);
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expect(config.url).toBe(target.http.url);
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expect(config.method).toBe("GET");
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});
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});
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