feat(scan): add guided Linux agent setup in administration

frontend/tests/agent-setup.test.cjs

@@ -0,0 +1,129 @@
+const { test } = require('node:test')
+const assert = require('node:assert/strict')
+const fs = require('node:fs')
+const vm = require('node:vm')
+const ts = require('typescript')
+const vue = require('vue')
+
+const agentId = 'b48c0e33-1abd-4b11-89fa-1bb7b39a3057'
+const token = 'fedeo_agent_' + 'a'.repeat(64)
+const scanner = 'fujitsu:ScanSnap iX1600:test'
+const baseAgent = { id: agentId, name: 'Linux Büro', active: true, scannerNames: [], scanDefaults: {}, capabilities: {} }
+async function setup(t, initialAgent = null, overrides = {}) {
+  const helpers = await import('../utils/agentInstaller.mjs')
+  const requests = [], notices = [], events = [], downloads = [], modals = []
+  const timers = new Map()
+  const mounted = [], unmounted = []
+  let timerId = 0
+  let reportedAgent = { ...baseAgent }
+  const context = vm.createContext({
+    ...helpers, ref: vue.ref, computed: vue.computed, watch: vue.watch,
+    defineProps: () => ({ initialAgent }),
+    defineEmits: () => (...args) => events.push(args),
+    onMounted: handler => mounted.push(handler), onBeforeUnmount: handler => unmounted.push(handler),
+    useAdmin: () => ({
+      createInstanceAgent: async body => { requests.push(['create', body]); return { agent: { ...baseAgent }, token } },
+      updateInstanceAgent: async (id, body) => { requests.push(['update', id, body]); return { agent: { ...baseAgent, ...body } } },
+      rotateInstanceAgentToken: async id => { requests.push(['rotate', id]); return { token } },
+      getInstanceAgents: async () => ({ agents: [reportedAgent] }),
+      ...overrides,
+    }),
+    useToast: () => ({ add: notice => notices.push(notice) }),
+    useModal: () => ({ open: (...args) => modals.push(args) }),
+    useRuntimeConfig: () => ({ public: { apiBase: '/backend' } }),
+    window: { location: { origin: 'https://fedeo.example.com' } },
+    bundle: JSON.parse(fs.readFileSync(__dirname + '/../assets/device-agent/bundle.json', 'utf8')),
+    FileScanModal: 'FileScanModal',
+    Blob, URL: { createObjectURL: blob => { downloads.push(blob); return 'blob:test' }, revokeObjectURL() {} },
+    document: { createElement: () => ({ click() {}, remove() {} }), body: { appendChild() {} } },
+    setTimeout: callback => { timers.set(++timerId, callback); return timerId },
+    clearTimeout: id => timers.delete(id), setInterval: () => -1, clearInterval() {},
+  })
+  const source = fs.readFileSync(__dirname + '/../components/AgentSetupWizard.vue', 'utf8')
+    .split('<script setup lang="ts">')[1].split('</script>')[0].replace(/^import .*$/gm, '')
+  vm.runInContext(ts.transpile(source, { target: ts.ScriptTarget.ES2022, module: ts.ModuleKind.None }), context)
+  mounted.forEach(handler => handler())
+  await new Promise(setImmediate)
+  const close = () => unmounted.forEach(handler => handler())
+  t.after(close)
+  return { run: code => vm.runInContext(code, context), requests, notices, events, downloads, modals, timers, close, report: value => { reportedAgent = value } }
+}
+
+test('new setup creates one agent and downloads software with the correct reverse-proxy URL', async t => {
+  const ui = await setup(t)
+  await ui.run('prepareAgent()')
+  await new Promise(setImmediate)
+  assert.equal(ui.run('step.value'), 1)
+  ui.run('downloadInstaller()')
+  assert.equal(ui.requests.filter(item => item[0] === 'create').length, 1)
+  assert.equal(ui.downloads.length, 1)
+  assert.ok((await ui.downloads[0].text()).startsWith('#!/usr/bin/env bash'))
+  assert.equal(ui.run('endpointPreview.value'), 'https://fedeo.example.com/backend/instance-agent/heartbeat')
+  assert.equal(ui.run('downloaded.value'), true)
+  ui.run('backendUrl.value="https://other.example.com/backend"')
+  await new Promise(setImmediate)
+  assert.equal(ui.run('downloaded.value'), false)
+})
+
+test('existing agent requires explicit acknowledgement before token rotation', async t => {
+  const ui = await setup(t, { ...baseAgent })
+  await ui.run('prepareAgent()')
+  await ui.run('rotateToken()')
+  assert.equal(ui.requests.length, 0)
+  ui.run('rotateConfirmed.value=true')
+  await ui.run('rotateToken()')
+  assert.equal(ui.requests[0][0], 'rotate')
+  assert.equal(ui.run('tokenReady.value'), true)
+  assert.equal(ui.run('rotateConfirmed.value'), false)
+})
+
+test('stale or inactive agents cannot finish setup; fresh reports save the chosen duplex scanner', async t => {
+  const ui = await setup(t, { ...baseAgent })
+  ui.report({ ...baseAgent, lastSeenAt: new Date(Date.now() - 300000).toISOString(), scannerNames: [scanner], capabilities: { scan: true } })
+  ui.run('step.value=2; checkingSince.value=Date.now()-1000')
+  await ui.run('checkConnection()')
+  await ui.run('finishSetup()')
+  assert.equal(ui.run('online.value'), false)
+  assert.equal(ui.requests.length, 0)
+  ui.report({ ...baseAgent, lastSeenAt: new Date().toISOString(), scannerNames: [scanner], capabilities: { scan: true } })
+  await ui.run('checkConnection()')
+  ui.run('profile.value="ix1600"; step.value=3')
+  await ui.run('finishSetup()')
+  assert.equal(ui.run('saved.value'), true)
+  assert.equal(ui.requests[0][2].preferredScannerName, scanner)
+  assert.equal(ui.requests[0][2].scanDefaults.source, 'ADF Duplex')
+  assert.equal(ui.run('token.value'), '')
+  assert.equal(ui.timers.size, 0)
+  ui.run('openTestScan()')
+  assert.equal(ui.modals[0][1].scanData.agentId, agentId)
+})
+
+test('online agent without a detected scanner remains incomplete', async t => {
+  const ui = await setup(t, { ...baseAgent })
+  ui.report({ ...baseAgent, lastSeenAt: new Date().toISOString(), capabilities: { scan: true } })
+  await ui.run('checkConnection()')
+  await ui.run('finishSetup()')
+  assert.equal(ui.run('online.value'), true)
+  assert.equal(ui.run('readyToSave.value'), false)
+  assert.equal(ui.requests.length, 0)
+})
+
+test('connection errors stop automatic requests and are visible for retry', async t => {
+  const ui = await setup(t, { ...baseAgent }, { getInstanceAgents: async () => { throw Error('offline') } })
+  ui.run('step.value=2')
+  await ui.run('checkConnection()')
+  assert.equal(ui.run('connectionError.value'), 'offline')
+  assert.equal(ui.timers.size, 0)
+})
+
+test('closing setup clears credentials and does not schedule polling after an in-flight response', async t => {
+  let resolve
+  const ui = await setup(t, { ...baseAgent }, { getInstanceAgents: () => new Promise(done => { resolve = done }) })
+  ui.run('step.value=2; token.value="' + token + '"')
+  const pending = ui.run('checkConnection()')
+  ui.close()
+  resolve({ agents: [{ ...baseAgent, lastSeenAt: new Date().toISOString() }] })
+  await pending
+  assert.equal(ui.run('token.value'), '')
+  assert.equal(ui.timers.size, 0)
+})