openhim-core/test/unit/statsTest.js

The OpenHIM core application that provides logging and routing of http requests

/* eslint-env mocha */

// TODO : This needs a rewrite

// import fs from 'fs'
// import os from 'os'
// import * as stats from '../../src/stats'
// import FakeServer from '../fakeTcpServer'
// import { config } from '../../src/config'
// import * as constants from '../constants'
// import { promisify } from 'util'

// const application = config.get('application')
// const domain = `${os.hostname()}.${application.name}`

// describe('Stats Middleware ', () => {
//   let server

//   beforeEach(async () => {
//     server = new FakeServer()
//     await server.start()
//   })

//   afterEach(async () => {
//     if (server != null) {
//       await server.stop()
//     }
//     server = null
//   })

//   const channel = {
//     _id: 'ckjhfjwedsnfdsf',
//     name: 'Mock endpoint',
//     urlPattern: '.+',
//     routes: [{
//       secured: true,
//       host: 'localhost',
//       port: constants.UDP_PORT,
//       primary: true,
//       cert: fs.readFileSync('test/resources/server-tls/cert.pem')
//     }
//     ]
//   }

//   let requestTimestamp = (new Date()).toString()
//   const ctx = {}
//   ctx.authorisedChannel = channel
//   ctx.request = {}
//   ctx.response = {}
//   ctx.response.set = function () { }
//   ctx.path = (ctx.request.url = '/test')
//   ctx.request.method = 'GET'
//   ctx.requestTimestamp = requestTimestamp
//   ctx.transactionStatus = 'Successful'
//   ctx.routes = []
//   ctx.mediatorResponse = {}
//   ctx.mediatorResponse.properties =
//     { name: 'primary mediator' }
//   ctx.mediatorResponse.metrics = []
//   ctx.mediatorResponse.orchestrations = [{
//     name: 'Lab API',
//     group: 'group',
//     request: {
//       path: 'api/patient/lab',
//       headers: {
//         'Content-Type': 'text/plain'
//       },
//       body: '<route request>',
//       method: 'POST',
//       timestamp: 1412257881904
//     },
//     response: {
//       status: '200',
//       headers: {},
//       body: '<route response>',
//       timestamp: 1412257881909
//     },
//     metrics: []
//   }
//   ]

//   // Non Primary routes
//   ctx.routes.push({
//     name: 'secondary route',
//     request: {
//       path: 'api/patient/lab',
//       headers: {
//         'Content-Type': 'text/plain'
//       },
//       body: '<route request>',
//       method: 'POST',
//       timestamp: 1412257881904
//     },
//     response: {
//       status: 200,
//       headers: {
//         'content-type': 'application/json'
//       },
//       body: 'Primary Route Reached',
//       timestamp: 1423489768398
//     },

//     orchestrations: [{
//       name: 'Lab API',
//       group: 'group',
//       request: {
//         path: 'api/patient/lab',
//         headers: {
//           'Content-Type': 'text/plain'
//         },
//         body: '<route request>',
//         method: 'POST',
//         timestamp: 1412257881904
//       },
//       response: {
//         status: '200',
//         headers: {},
//         body: '<route response>',
//         timestamp: 1412257881909
//       }
//     }
//     ]
//   })

//   // Adding Custom Metrics
//   ctx.mediatorResponse.metrics.push({
//     name: 'my-counter-metric',
//     type: 'counter',
//     value: 1
//   })
//   ctx.mediatorResponse.metrics.push({
//     name: 'my-gauge-metric',
//     type: 'gauge',
//     value: 11
//   })
//   ctx.mediatorResponse.metrics.push({
//     name: 'my-timer-metric',
//     type: 'timer',
//     value: 1522
//   })

//   // Has no groups
//   requestTimestamp = (new Date()).toString()
//   const ctx2 = {}
//   ctx2.authorisedChannel = channel
//   ctx2.request = {}
//   ctx2.response = {}
//   ctx2.response.set = function () { }
//   ctx2.path = (ctx2.request.url = '/test')
//   ctx2.request.method = 'GET'
//   ctx2.requestTimestamp = requestTimestamp
//   ctx2.transactionStatus = 'Successful'
//   ctx2.routes = []
//   ctx2.mediatorResponse = {}
//   ctx2.mediatorResponse.properties =
//     { name: 'primary mediator' }
//   ctx2.mediatorResponse.metrics = []
//   ctx2.mediatorResponse.orchestrations = [{
//     name: 'Lab API',
//     request: {
//       path: 'api/patient/lab',
//       headers: {
//         'Content-Type': 'text/plain'
//       },
//       body: '<route request>',
//       method: 'POST',
//       timestamp: 1412257881904
//     },
//     response: {
//       status: '200',
//       headers: {},
//       body: '<route response>',
//       timestamp: 1412257881909
//     },
//     metrics: []
//   }
//   ]

//   // Non Primary routes
//   ctx2.routes.push({
//     name: 'secondary route',
//     request: {
//       path: 'api/patient/lab',
//       headers: {
//         'Content-Type': 'text/plain'
//       },
//       body: '<route request>',
//       method: 'POST',
//       timestamp: 1412257881904
//     },
//     response: {
//       status: 200,
//       headers: {
//         'content-type': 'application/json'
//       },
//       body: 'Primary Route Reached',
//       timestamp: 1423489768398
//     },

//     orchestrations: [{
//       name: 'Lab API',
//       request: {
//         path: 'api/patient/lab',
//         headers: {
//           'Content-Type': 'text/plain'
//         },
//         body: '<route request>',
//         method: 'POST',
//         timestamp: 1412257881904
//       },
//       response: {
//         status: '200',
//         headers: {},
//         body: '<route response>',
//         timestamp: 1412257881909
//       }
//     }
//     ]
//   })

//   // Adding Custom Metrics
//   ctx2.mediatorResponse.metrics.push({
//     name: 'my-counter-metric',
//     type: 'counter',
//     value: 1
//   })
//   ctx2.mediatorResponse.metrics.push({
//     name: 'my-gauge-metric',
//     type: 'gauge',
//     value: 11
//   })
//   ctx2.mediatorResponse.metrics.push({
//     name: 'my-timer-metric',
//     type: 'timer',
//     value: 1522
//   })

//   it.only('should increment the transaction counter', async () => {
//     const incrementTransactionCount = promisify(stats.incrementTransactionCount.bind(stats))
//     const nonPrimaryRouteRequestCount = promisify(stats.nonPrimaryRouteRequestCount.bind(stats))
//     const expectMessage = promisify(server.expectMessage.bind(server))
//     await incrementTransactionCount(ctx)
//     await incrementTransactionCount(ctx2)

//     await nonPrimaryRouteRequestCount(ctx, ctx.routes[0])
//     await nonPrimaryRouteRequestCount(ctx2, ctx2.routes[0])

//     console.log('Got this far')
//     await expectMessage(`${domain}.channels:1|c`)
//     await expectMessage(`${domain}.channels.Successful:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.group.Lab API:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.group.Lab API.statusCodes.200:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.statuses.Successful.orchestrations.group.Lab API:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.statuses.Successful.orchestrations.group.Lab API.statusCodes.200:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.primary mediator.mediator_metrics.my-counter-metric:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.primary mediator.mediator_metrics.my-gauge-metric:11|g`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.primary mediator.mediator_metrics.my-timer-metric:1522|ms`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.Lab API:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.Lab API.statusCodes.200:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.statuses.Successful.orchestrations.Lab API:1|c`)
//     await expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.statuses.Successful.orchestrations.Lab API.statusCodes.200:1|c`)
//   })

//   // TODO : Fix this test
//   it('Should measure transaction duration', (done) => {
//     ctx.timer = 10
//     stats.measureTransactionDuration(ctx, () =>
//       stats.measureTransactionDuration(ctx2, () =>
//         stats.nonPrimaryRouteDurations(ctx, ctx.routes[0], () =>
//           stats.nonPrimaryRouteDurations(ctx2, ctx2.routes[0], () =>
//             server.expectMessage(`${domain}.channels:10|ms`, () =>
//               server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.group.Lab API:5|ms`, () =>
//                 server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.group.Lab API.statusCodes.200:5|ms`, () =>
//                   server.expectMessage(`${domain}.channels.Successful:10|ms`, () =>
//                     server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf:10|ms`, () =>
//                       server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.statuses.Successful:10|ms`, () =>
//                         server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.nonPrimaryRoutes.secondary route:10|ms`, () =>
//                           server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.nonPrimaryRoutes.secondary route.statusCodes.200:10|ms`, () =>
//                             server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.nonPrimaryRoutes.secondary route.orchestrations.group.Lab API:5|ms`, () =>
//                               server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.Lab API:5|ms`, () =>
//                                 server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.orchestrations.Lab API.statusCodes.200:5|ms`,
//                                   () => server.expectMessage(`${domain}.channels.ckjhfjwedsnfdsf.nonPrimaryRoutes.secondary route.orchestrations.Lab API:5|ms`, done))
//                               )
//                             )
//                           )
//                         )
//                       )
//                     )
//                   )
//                 )
//               )
//             )
//           )
//         )
//       )
//     )
//   })
// })