NodeJS source (view on github)

const dashboard = require('../../../../index.js')

module.exports = {
  get: async (req) => {
    if (!req.query || !req.query.accountid) {
      throw new Error('invalid-accountid')
    }
    const account = await global.api.user.Account.get(req)
    if (!account) {
      throw new Error('invalid-accountid')
    }
    return dashboard.Storage.Session.count({
      where: {
        accountid: req.query.accountid,
        appid: req.appid || global.appid
      }
    })
  }
}

Test source (view on github)

/* eslint-env mocha */
const assert = require('assert')
const TestHelper = require('../../../../test-helper.js')

describe('/api/user/sessions-count', () => {
  describe('exceptions', () => {
    describe('invalid-accountid', () => {
      it('missing querystring accountid', async () => {
        const user = await TestHelper.createUser()
        const req = TestHelper.createRequest('/api/user/sessions-count')
        req.account = user.account
        req.session = user.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-accountid')
      })

      it('invalid querystring accountid', async () => {
        const user = await TestHelper.createUser()
        const req = TestHelper.createRequest('/api/user/sessions-count?accountid=invalid')
        req.account = user.account
        req.session = user.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-accountid')
      })
    })

    describe('invalid-account', () => {
      it('ineligible accessing account', async () => {
        const user = await TestHelper.createUser()
        const user2 = await TestHelper.createUser()
        const req = TestHelper.createRequest(`/api/user/sessions-count?accountid=${user2.account.accountid}`)
        req.account = user.account
        req.session = user.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-account')
      })
    })
  })

  describe('returns', () => {
    it('integer', async () => {
      const user = await TestHelper.createUser()
      for (let i = 0, len = global.pageSize + 1; i < len; i++) {
        await TestHelper.createSession(user)
      }
      const req = TestHelper.createRequest(`/api/user/sessions-count?accountid=${user.account.accountid}`)
      req.account = user.account
      req.session = user.session
      req.filename = __filename
      req.saveResponse = true
      const result = await req.get()
      assert.strictEqual(result, global.pageSize + 2)
    })
  })
})