imccyu
4a27da44cf
Boots a test-only cordis.yml through the real Loader and asserts the route service's behavior surface: exact/longest-prefix matching, tapIndex transform order and unsubscription, traversal 403, non-GET 405, SPA-200 fallback, malformed-request 400 without process exit, duplicate-pattern throw, dispose closing held connections with register/disposer symmetry, and a listen-failure fail-loud case (EADDRINUSE -> FAILED fiber + late rejection). Replaces the retired factory-era specs.
169 lines
8.0 KiB
TypeScript
169 lines
8.0 KiB
TypeScript
/**
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* REAL-composition coverage: a test-only cordis.yml booted through the
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* vendored Loader mounts the webserver row, and every assertion observes the
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* user-visible HTTP surface of the running server (routing precedence, index
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* taps, static-fallback semantics, per-request error containment, teardown).
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*/
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import { mkdtemp, rm, writeFile } from 'node:fs/promises'
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import { mkdir } from 'node:fs/promises'
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import { tmpdir } from 'node:os'
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import { join } from 'node:path'
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import { pathToFileURL } from 'node:url'
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import { afterEach, describe, expect, it } from 'vitest'
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import { Context, FiberState } from 'cordis'
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import Loader from '@cordisjs/plugin-loader'
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import Include from '@cordisjs/plugin-include'
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import HttpServer from '../src/index.ts'
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let root: string | undefined
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let context: Context | undefined
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afterEach(async () => {
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await context?.fiber.dispose()
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context = undefined
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if (root !== undefined) await rm(root, { recursive: true, force: true })
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root = undefined
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})
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/** Write a dist fixture and a cordis.yml with one webserver row, then boot it through the real Loader. */
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async function loadComposition(port = 0): Promise<Context> {
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root = await mkdtemp(join(tmpdir(), 'dsh-webserver-loader-'))
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const dist = join(root, 'dist')
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await mkdir(dist)
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const distIndex = join(dist, 'index.html')
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await writeFile(distIndex, '<head></head><body>shell</body>')
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await writeFile(join(dist, 'app.js'), 'export {}')
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const configPath = join(root, 'cordis.yml')
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await writeFile(configPath, [
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"- name: '@deepseek-ai/dsh-host-webserver'",
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' config:',
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" host: '127.0.0.1'",
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` port: ${String(port)}`,
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` distIndex: '${distIndex}'`,
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'',
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].join('\n'))
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context = new Context()
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context.baseUrl = pathToFileURL(root).href + '/'
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await context.plugin(Loader)
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context.loader.builtins.include = Include
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const modules = new Map<string, unknown>([
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['@deepseek-ai/dsh-host-webserver', HttpServer],
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])
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context.loader.internal = {
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version: 'v2',
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async import(specifier: string) {
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if (!modules.has(specifier)) throw new Error(`unexpected Loader import: ${specifier}`)
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return modules.get(specifier)
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},
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} as unknown as NonNullable<typeof context.loader.internal>
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await context.loader.create({
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name: 'cordis:include',
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config: { path: pathToFileURL(configPath).href },
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})
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await context.loader.await()
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return context
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}
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/** GET (by default) one path against the running server; returns status plus a body prefix. */
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async function request(port: number, path: string, init?: RequestInit): Promise<{ status: number; body: string }> {
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const response = await fetch(`http://127.0.0.1:${String(port)}${path}`, init)
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return { status: response.status, body: (await response.text()).slice(0, 80) }
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}
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describe('real Loader composition', () => {
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// Real-Loader composition resolves workspace packages through tsx at test
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// time; first resolution after the host/client program split is slow enough
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// to trip the default 5s budget on cold caches.
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it('serves registered routes, index taps, and the static fallback semantics', { timeout: 60_000 }, async () => {
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const loaded = await loadComposition()
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const unloaded = [...loaded.loader.entries()]
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.filter(entry => entry.fiber === undefined && !entry.disabled)
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.map(entry => entry.options.name)
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expect(unloaded).toEqual([])
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const server = loaded.httpServer
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expect(server).toBeInstanceOf(HttpServer)
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const port = server.port
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expect(port).toBeGreaterThan(0)
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// Routing precedence: exact beats prefix, longest prefix wins, a prefix
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// route answers its own path, and routes own their method handling
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// (POST reaches a registered prefix; 405 is fallback-only semantics).
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server.register({ kind: 'exact', path: '/probe', handler: (_req, res) => { res.writeHead(200); res.end('EXACT') } })
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server.register({ kind: 'prefix', path: '/api', handler: (_req, res) => { res.writeHead(200); res.end('API') } })
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server.register({ kind: 'prefix', path: '/api/deep', handler: (_req, res) => { res.writeHead(200); res.end('DEEP') } })
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expect(await request(port, '/probe')).toMatchObject({ status: 200, body: 'EXACT' })
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expect(await request(port, '/api/anything')).toMatchObject({ status: 200, body: 'API' })
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expect(await request(port, '/api/deep/leaf')).toMatchObject({ status: 200, body: 'DEEP' })
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expect(await request(port, '/api')).toMatchObject({ status: 200, body: 'API' })
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expect(await request(port, '/api/anything', { method: 'POST' })).toMatchObject({ status: 200, body: 'API' })
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// Index taps apply in registration order on `/` and on the SPA fallback;
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// the disposer removes the transform.
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const untap = server.tapIndex(html => html.replace('<head>', '<head><script>window.__T__=1</script>'))
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expect((await request(port, '/')).body).toContain('__T__')
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expect((await request(port, '/no/such/route')).body).toContain('__T__')
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untap()
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expect((await request(port, '/')).body).not.toContain('__T__')
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// Static fallback semantics: real asset served, traversal 403, non-GET/
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// HEAD without a matching route 405.
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expect(await request(port, '/app.js')).toMatchObject({ status: 200, body: 'export {}' })
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expect((await request(port, '/..%2f..%2fetc%2fpasswd')).status).toBe(403)
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expect((await request(port, '/nowhere', { method: 'POST' })).status).toBe(405)
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// Per-request error containment: a malformed %-escape answers 400 and the
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// server keeps serving afterwards (no process-level failure path).
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expect((await request(port, '/%zz')).status).toBe(400)
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expect(await request(port, '/probe')).toMatchObject({ status: 200, body: 'EXACT' })
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// Duplicate (kind, path) is a misconfiguration and throws; the disposer
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// restores registrability (register/disposer symmetry).
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expect(() => server.register({ kind: 'exact', path: '/probe', handler: () => {} }))
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.toThrow(/duplicate exact route/)
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const disposeOnce = server.register({ kind: 'exact', path: '/once', handler: (_req, res) => { res.writeHead(200); res.end('ONCE') } })
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expect(await request(port, '/once')).toMatchObject({ status: 200, body: 'ONCE' })
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disposeOnce()
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expect((await request(port, '/once')).body).toContain('shell') // back to the SPA fallback
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expect(() => server.register({ kind: 'exact', path: '/once', handler: () => {} })).not.toThrow()
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// Teardown: fiber dispose closes the socket and severs held connections.
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await loaded.fiber.dispose()
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await expect(request(port, '/probe')).rejects.toThrow()
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})
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it('fails the fiber when the port is already taken (fail-loud at activation)', { timeout: 60_000 }, async () => {
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const first = await loadComposition()
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const takenPort = first.httpServer.port
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const firstRoot = root
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root = undefined // keep the first composition's files until the end
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// loader.await() never rejects (allSettled); the bind failure surfaces as
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// a FAILED fiber whose error escapes as a late rejection — the shape the
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// boot's installFailLoud is contracted to catch. Capture it here the same
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// way, and assert it really is the bind error.
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const rejections: unknown[] = []
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const onUnhandled = (err: unknown): void => { rejections.push(err) }
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process.on('unhandledRejection', onUnhandled)
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let second: Context | undefined
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try {
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second = await loadComposition(takenPort)
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const entry = [...second.loader.entries()].find(e => e.options.name === '@deepseek-ai/dsh-host-webserver')
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expect(entry?.fiber?.state).toBe(FiberState.FAILED)
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// The rejection escapes a tick after loader.await() settles; bounded poll.
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for (let i = 0; i < 100 && rejections.length === 0; i++) {
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await new Promise(resolve => setTimeout(resolve, 10))
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}
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expect(rejections.map(String).join('\n')).toContain('EADDRINUSE')
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} finally {
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process.off('unhandledRejection', onUnhandled)
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await second?.fiber.dispose()
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context = first
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if (root !== undefined) await rm(root, { recursive: true, force: true })
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root = firstRoot
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}
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})
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})
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