test: add shared api client tests and remove dead backend code

packages/shared/src/api.test.ts

@@ -0,0 +1,75 @@
+import { describe, expect, it, vi } from 'vitest'
+import { encode, decode } from '@msgpack/msgpack'
+import { setServer, getServer, create, info, get, status } from './api'
+
+const server = 'http://example.test'
+const created = encode({ id: 'abc123' })
+const metaOut = encode({ meta: { views: 3, extra: Buffer.from('040506','hex') } })
+const dataOut = encode({ meta: { views: 0 },data: Buffer.from('090909','hex') })
+
+function mockFetch(body: Uint8Array) {
+  return vi.fn().mockResolvedValue({
+    ok: true,
+    status: 200,
+    arrayBuffer: async () => body.buffer.slice(body.byteOffset, body.byteOffset + body.byteLength),
+    json: async () => ({}),
+  })
+}
+
+function copyBuffer(buf: Uint8Array) {
+  return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength)
+}
+
+describe('api client', () => {
+  it('setServer trims trailing slashes', () => {
+    setServer('http://x.test///')
+    expect(getServer()).toBe('http://x.test')
+  })
+
+  it('create POSTs msgpack note and returns id', async () => {
+    setServer(server)
+    const fetchMock = mockFetch(created)
+    vi.stubGlobal('fetch', fetchMock)
+    const note = { meta: { views: 5 },data: Buffer.from('010203','hex') }
+    const result = await create(note)
+    const url = fetchMock.mock.calls[0]![0]!
+    const init = fetchMock.mock.calls[0]![1]!
+    expect(url).toBe(server + '/api/v3/notes')
+    expect(init.method).toBe('POST')
+    expect(init.headers).toEqual({ 'content-type': 'application/msgpack' })
+    const sent = decode(new Uint8Array(copyBuffer(init.body))) as { meta?: { views?: number } }
+    expect(sent?.meta?.views).toBe(5)
+    expect(result).toEqual({ id: 'abc123' })
+    vi.unstubAllGlobals()
+  })
+
+ it('info GETs meta', async () => {
+    setServer(server)
+    const fetchMock = mockFetch(metaOut)
+    vi.stubGlobal('fetch', fetchMock)
+    const result = await info('id1')
+    expect(result?.views).toBe(3)
+    vi.unstubAllGlobals()
+  })
+
+ it('get DELETEs and parses data', async () => {
+    setServer(server)
+    const fetchMock = mockFetch(dataOut)
+    vi.stubGlobal('fetch', fetchMock)
+    const result = await get('id2')
+    expect(result?.meta?.views).toBe(0)
+    const init = fetchMock.mock.calls[0]![1]!
+    expect(init.method).toBe('DELETE')
+    vi.unstubAllGlobals()
+  })
+
+ it('status GETs JSON config', async () => {
+    setServer(server)
+    const fetchMock = mockFetch(new Uint8Array())
+    vi.stubGlobal('fetch', fetchMock)
+    await status()
+    const url = fetchMock.mock.calls[0]![0]!
+    expect(url).toBe(server + '/api/v3/status')
+    vi.unstubAllGlobals()
+  })
+})