NodeJS source (edit on github)

If you see a problem with the source submit a pull request on Github.

const stripeCache = require('../../../../stripe-cache.js')

module.exports = {
  get: async (req) => {
    if (!req.query || !req.query.invoiceid) {
      throw new Error('invalid-invoiceid')
    }
    let invoice
    try {
      invoice = await stripeCache.retrieve(req.query.invoiceid, 'invoices', req.stripeKey)
    } catch (error) {
    }
    if (!invoice) {
      throw new Error('invalid-invoiceid')
    }
    return invoice
  }
}

Test source (edit on github)

Tests perform real HTTP requests against a running Dashboard server.

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

describe('/api/administrator/subscriptions/invoice', function () {
  this.timeout(60 * 60 * 1000)
  before(TestHelper.setupWebhook)
  after(TestHelper.deleteOldWebhooks)
  describe('exceptions', () => {
    describe('invalid-invoiceid', () => {
      it('missing querystring invoiceid', async () => {
        const administrator = await TestHelper.createOwner()
        const req = TestHelper.createRequest('/api/administrator/subscriptions/invoice')
        req.account = administrator.account
        req.session = administrator.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-invoiceid')
      })

      it('invalid querystring invoiceid', async () => {
        const administrator = await TestHelper.createOwner()
        const req = TestHelper.createRequest('/api/administrator/subscriptions/invoice?invoiceid=invalid')
        req.account = administrator.account
        req.session = administrator.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-invoiceid')
      })
    })
  })

  describe('returns', () => {
    it('object', async () => {
      const administrator = await TestStripeAccounts.createOwnerWithPlan()
      const user = await TestStripeAccounts.createUserWithPaymentMethod()
      await TestHelper.createSubscription(user, administrator.plan.id)
      const req = TestHelper.createRequest(`/api/administrator/subscriptions/invoice?invoiceid=${user.invoice.id}`)
      req.account = administrator.account
      req.session = administrator.session
      req.filename = __filename
      req.saveResponse = true
      const invoice = await req.get()
      assert.strictEqual(invoice.id, user.invoice.id)
    })
  })
})