test: improve coverage — domain, protocol, references, integration DB tests

- Domain: DeviceId, Command, DeviceParameter, DeviceProperty, Mode
- Protocol: SOAP parsing, CWMPMessageBuilder (all methods)
- References: config_loader, WassupProvider (timeout, errors)
- Integration: MongoDB tests (CRUD, pagination, references)
- Fix: Home.vue IP lookup for Device.WANDevice path
- Total: 384 tests passing

tests/unit/protocol/cwmp_message_builder.spec.ts

@@ -0,0 +1,100 @@
+import { describe, it, expect } from 'vitest'
+import { CWMPMessageBuilder } from '../../../app/protocol/common/cwmp_message_builder.js'
+
+describe('CWMPMessageBuilder', () => {
+  it('informResponse builds valid response', () => {
+    const xml = CWMPMessageBuilder.informResponse('id-1')
+    expect(xml).toContain('InformResponse')
+    expect(xml).toContain('MaxEnvelopes')
+    expect(xml).toContain('id-1')
+  })
+
+  it('getParameterNames builds request', () => {
+    const xml = CWMPMessageBuilder.getParameterNames('id-2', 'Device.', true)
+    expect(xml).toContain('GetParameterNames')
+    expect(xml).toContain('Device.')
+    expect(xml).toContain('<NextLevel>1</NextLevel>')
+  })
+
+  it('getParameterNames with nextLevel=false', () => {
+    const xml = CWMPMessageBuilder.getParameterNames('id-3', 'Device.', false)
+    expect(xml).toContain('<NextLevel>0</NextLevel>')
+  })
+
+  it('getParameterValues builds request with names', () => {
+    const xml = CWMPMessageBuilder.getParameterValues('id-4', ['Device.Info.SW', 'Device.Info.HW'])
+    expect(xml).toContain('GetParameterValues')
+    expect(xml).toContain('Device.Info.SW')
+    expect(xml).toContain('Device.Info.HW')
+    expect(xml).toContain('arrayType="xsd:string[2]"')
+  })
+
+  it('setParameterValues builds request with params', () => {
+    const xml = CWMPMessageBuilder.setParameterValues('id-5', [
+      { name: 'Device.X', value: '42', type: 'xsd:int' },
+    ])
+    expect(xml).toContain('SetParameterValues')
+    expect(xml).toContain('Device.X')
+    expect(xml).toContain('42')
+    expect(xml).toContain('xsd:int')
+    expect(xml).toContain('ParameterKey')
+  })
+
+  it('download builds request with all params', () => {
+    const xml = CWMPMessageBuilder.download('id-6', {
+      url: 'http://example.com/fw.bin',
+      commandKey: 'fw-upgrade',
+      fileType: '1 Firmware Upgrade Image',
+      fileSize: 1024,
+    })
+    expect(xml).toContain('Download')
+    expect(xml).toContain('http://example.com/fw.bin')
+    expect(xml).toContain('fw-upgrade')
+    expect(xml).toContain('1024')
+  })
+
+  it('upload builds request', () => {
+    const xml = CWMPMessageBuilder.upload('id-7', { url: 'http://upload.com/cfg', commandKey: 'cfg-bk' })
+    expect(xml).toContain('Upload')
+    expect(xml).toContain('http://upload.com/cfg')
+    expect(xml).toContain('cfg-bk')
+  })
+
+  it('reboot builds request', () => {
+    const xml = CWMPMessageBuilder.reboot('id-8', 'reboot-key')
+    expect(xml).toContain('Reboot')
+    expect(xml).toContain('reboot-key')
+  })
+
+  it('factoryReset builds request', () => {
+    const xml = CWMPMessageBuilder.factoryReset('id-9')
+    expect(xml).toContain('FactoryReset')
+  })
+
+  it('scheduleInform builds request', () => {
+    const xml = CWMPMessageBuilder.scheduleInform('id-10', 300, 'sched-key')
+    expect(xml).toContain('ScheduleInform')
+    expect(xml).toContain('300')
+    expect(xml).toContain('sched-key')
+  })
+
+  it('getParameterAttributes builds request', () => {
+    const xml = CWMPMessageBuilder.getParameterAttributes('id-11', ['Device.Info.'])
+    expect(xml).toContain('GetParameterAttributes')
+    expect(xml).toContain('Device.Info.')
+  })
+
+  it('setParameterAttributes builds request', () => {
+    const xml = CWMPMessageBuilder.setParameterAttributes('id-12', [
+      { name: 'Device.X', notificationChange: true, notification: 2, accessListChange: false, accessList: [] },
+    ])
+    expect(xml).toContain('SetParameterAttributes')
+    expect(xml).toContain('Device.X')
+    expect(xml).toContain('<NotificationChange>1</NotificationChange>')
+    expect(xml).toContain('<Notification>2</Notification>')
+  })
+
+  it('emptyResponse returns empty string', () => {
+    expect(CWMPMessageBuilder.emptyResponse()).toBe('')
+  })
+})

tests/unit/protocol/soap.spec.ts

@@ -0,0 +1,77 @@
+import { describe, it, expect } from 'vitest'
+import { parseSoapXml, extractCwmpMessage, buildSoapEnvelope } from '../../../app/protocol/soap.js'
+
+describe('parseSoapXml', () => {
+  it('parses a basic Inform SOAP envelope', () => {
+    const xml = `<?xml version="1.0" encoding="UTF-8"?>
+<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" xmlns:cwmp="urn:dslforum-org:cwmp-1-0">
+  <soap-env:Header>
+    <cwmp:ID soap-env:mustUnderstand="1">0001</cwmp:ID>
+  </soap-env:Header>
+  <soap-env:Body>
+    <cwmp:Inform>
+      <DeviceId><Manufacturer>Test</Manufacturer></DeviceId>
+    </cwmp:Inform>
+  </soap-env:Body>
+</soap-env:Envelope>`
+    const result = parseSoapXml(xml)
+    expect(result.header.id).toBe('0001')
+    expect(result.body).toBeDefined()
+    expect(result.cwmpVersion).toBe('1.0')
+  })
+
+  it('parses soapenv prefix variant', () => {
+    const xml = `<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:cwmp="urn:dslforum-org:cwmp-1-0">
+  <soapenv:Header><cwmp:ID soapenv:mustUnderstand="1">42</cwmp:ID></soapenv:Header>
+  <soapenv:Body><cwmp:InformResponse><MaxEnvelopes>1</MaxEnvelopes></cwmp:InformResponse></soapenv:Body>
+</soapenv:Envelope>`
+    const result = parseSoapXml(xml)
+    expect(String(result.header.id)).toBe('42')
+  })
+
+  it('handles missing header gracefully', () => {
+    const xml = `<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
+  <soap-env:Body><cwmp:GetParameterValuesResponse xmlns:cwmp="urn:dslforum-org:cwmp-1-0"></cwmp:GetParameterValuesResponse></soap-env:Body>
+</soap-env:Envelope>`
+    const result = parseSoapXml(xml)
+    expect(result.header.id).toBeUndefined()
+  })
+})
+
+describe('extractCwmpMessage', () => {
+  it('extracts Inform message', () => {
+    const body = { 'cwmp:Inform': { DeviceId: { Manufacturer: 'Test' } } }
+    const msg = extractCwmpMessage(body)
+    expect(msg).not.toBeNull()
+    expect(msg!.type).toBe('Inform')
+    expect(msg!.data.DeviceId.Manufacturer).toBe('Test')
+  })
+
+  it('extracts GetParameterValuesResponse', () => {
+    const body = { 'cwmp:GetParameterValuesResponse': { ParameterList: [] } }
+    const msg = extractCwmpMessage(body)
+    expect(msg!.type).toBe('GetParameterValuesResponse')
+  })
+
+  it('returns null for empty body', () => {
+    expect(extractCwmpMessage({})).toBeNull()
+  })
+
+  it('returns null for non-cwmp keys', () => {
+    expect(extractCwmpMessage({ 'other:Thing': {} })).toBeNull()
+  })
+})
+
+describe('buildSoapEnvelope', () => {
+  it('builds valid XML envelope', () => {
+    const xml = buildSoapEnvelope('id-123', '<cwmp:Test/>')
+    expect(xml).toContain('soap-env:Envelope')
+    expect(xml).toContain('id-123')
+    expect(xml).toContain('<cwmp:Test/>')
+  })
+
+  it('builds envelope without id', () => {
+    const xml = buildSoapEnvelope(undefined, '<cwmp:Reboot/>')
+    expect(xml).toContain('<cwmp:Reboot/>')
+  })
+})