resolved signup flow test issue

app/components/form-input.hbs

@@ -1,6 +1,7 @@
 <div class="field">
   <label for={{@for}}>{{@label}}:</label>
   <Input
+    data-test-id="form-input-{{@id}}"
     @id={{@id}}
     @type={{@type}}
     @value={{@value}}

app/templates/signup.hbs

@@ -47,6 +47,7 @@
     {{/each}}
     {{#if this.isSubmitDisabled }}
       <button
+        data-test-id='signup-button-disabled'
         class='submitButton disabledButton'
         type="submit"
         disabled={{true}}
@@ -55,6 +56,7 @@
       </button>
       {{else}}
         <button
+        data-test-id='signup-button'
         class='submitButton'
         type="submit"
         {{on 'click' (fn this.handleSubmit)}}

package.json

@@ -76,5 +76,9 @@
   },
   "ember": {
     "edition": "octane"
+  },
+  "dependencies": {
+    "msw": "^0.47.0",
+    "sinon": "^14.0.0"
   }
 }

public/mockServiceWorker.js

@@ -0,0 +1,304 @@
+/* eslint-disable */
+/* tslint:disable */
+
+/**
+ * Mock Service Worker (0.44.2).
+ * @see https://github.com/mswjs/msw
+ * - Please do NOT modify this file.
+ * - Please do NOT serve this file on production.
+ */
+
+ const INTEGRITY_CHECKSUM = 'b3066ef78c2f9090b4ce87e874965995'
+ const activeClientIds = new Set()
+
+ self.addEventListener('install', function () {
+   self.skipWaiting()
+ })
+
+ self.addEventListener('activate', function (event) {
+   event.waitUntil(self.clients.claim())
+ })
+
+ self.addEventListener('message', async function (event) {
+   const clientId = event.source.id
+
+   if (!clientId || !self.clients) {
+     return
+   }
+
+   const client = await self.clients.get(clientId)
+
+   if (!client) {
+     return
+   }
+
+   const allClients = await self.clients.matchAll({
+     type: 'window',
+   })
+
+   switch (event.data) {
+     case 'KEEPALIVE_REQUEST': {
+       sendToClient(client, {
+         type: 'KEEPALIVE_RESPONSE',
+       })
+       break
+     }
+
+     case 'INTEGRITY_CHECK_REQUEST': {
+       sendToClient(client, {
+         type: 'INTEGRITY_CHECK_RESPONSE',
+         payload: INTEGRITY_CHECKSUM,
+       })
+       break
+     }
+
+     case 'MOCK_ACTIVATE': {
+       activeClientIds.add(clientId)
+
+       sendToClient(client, {
+         type: 'MOCKING_ENABLED',
+         payload: true,
+       })
+       break
+     }
+
+     case 'MOCK_DEACTIVATE': {
+       activeClientIds.delete(clientId)
+       break
+     }
+
+     case 'CLIENT_CLOSED': {
+       activeClientIds.delete(clientId)
+
+       const remainingClients = allClients.filter((client) => {
+         return client.id !== clientId
+       })
+
+       // Unregister itself when there are no more clients
+       if (remainingClients.length === 0) {
+         self.registration.unregister()
+       }
+
+       break
+     }
+   }
+ })
+
+ self.addEventListener('fetch', function (event) {
+   const { request } = event
+   const accept = request.headers.get('accept') || ''
+
+   // Bypass server-sent events.
+   if (accept.includes('text/event-stream')) {
+     return
+   }
+
+   // Bypass navigation requests.
+   if (request.mode === 'navigate') {
+     return
+   }
+
+   // Opening the DevTools triggers the "only-if-cached" request
+   // that cannot be handled by the worker. Bypass such requests.
+   if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') {
+     return
+   }
+
+   // Bypass all requests when there are no active clients.
+   // Prevents the self-unregistered worked from handling requests
+   // after it's been deleted (still remains active until the next reload).
+   if (activeClientIds.size === 0) {
+     return
+   }
+
+   // Generate unique request ID.
+   const requestId = Math.random().toString(16).slice(2)
+
+   event.respondWith(
+     handleRequest(event, requestId).catch((error) => {
+       if (error.name === 'NetworkError') {
+         console.warn(
+           '[MSW] Successfully emulated a network error for the "%s %s" request.',
+           request.method,
+           request.url,
+         )
+         return
+       }
+
+       // At this point, any exception indicates an issue with the original request/response.
+       console.error(
+         `\
+ [MSW] Caught an exception from the "%s %s" request (%s). This is probably not a problem with Mock Service Worker. There is likely an additional logging output above.`,
+         request.method,
+         request.url,
+         `${error.name}: ${error.message}`,
+       )
+     }),
+   )
+ })
+
+ async function handleRequest(event, requestId) {
+   const client = await resolveMainClient(event)
+   const response = await getResponse(event, client, requestId)
+
+   // Send back the response clone for the "response:*" life-cycle events.
+   // Ensure MSW is active and ready to handle the message, otherwise
+   // this message will pend indefinitely.
+   if (client && activeClientIds.has(client.id)) {
+     ;(async function () {
+       const clonedResponse = response.clone()
+       sendToClient(client, {
+         type: 'RESPONSE',
+         payload: {
+           requestId,
+           type: clonedResponse.type,
+           ok: clonedResponse.ok,
+           status: clonedResponse.status,
+           statusText: clonedResponse.statusText,
+           body:
+             clonedResponse.body === null ? null : await clonedResponse.text(),
+           headers: Object.fromEntries(clonedResponse.headers.entries()),
+           redirected: clonedResponse.redirected,
+         },
+       })
+     })()
+   }
+
+   return response
+ }
+
+ // Resolve the main client for the given event.
+ // Client that issues a request doesn't necessarily equal the client
+ // that registered the worker. It's with the latter the worker should
+ // communicate with during the response resolving phase.
+ async function resolveMainClient(event) {
+   const client = await self.clients.get(event.clientId)
+
+   if (client.frameType === 'top-level') {
+     return client
+   }
+
+   const allClients = await self.clients.matchAll({
+     type: 'window',
+   })
+
+   return allClients
+     .filter((client) => {
+       // Get only those clients that are currently visible.
+       return client.visibilityState === 'visible'
+     })
+     .find((client) => {
+       // Find the client ID that's recorded in the
+       // set of clients that have registered the worker.
+       return activeClientIds.has(client.id)
+     })
+ }
+
+ async function getResponse(event, client, requestId) {
+   const { request } = event
+   const clonedRequest = request.clone()
+
+   function passthrough() {
+     // Clone the request because it might've been already used
+     // (i.e. its body has been read and sent to the cilent).
+     const headers = Object.fromEntries(clonedRequest.headers.entries())
+
+     // Remove MSW-specific request headers so the bypassed requests
+     // comply with the server's CORS preflight check.
+     // Operate with the headers as an object because request "Headers"
+     // are immutable.
+     delete headers['x-msw-bypass']
+
+     return fetch(clonedRequest, { headers })
+   }
+
+   // Bypass mocking when the client is not active.
+   if (!client) {
+     return passthrough()
+   }
+
+   // Bypass initial page load requests (i.e. static assets).
+   // The absence of the immediate/parent client in the map of the active clients
+   // means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
+   // and is not ready to handle requests.
+   if (!activeClientIds.has(client.id)) {
+     return passthrough()
+   }
+
+   // Bypass requests with the explicit bypass header.
+   // Such requests can be issued by "ctx.fetch()".
+   if (request.headers.get('x-msw-bypass') === 'true') {
+     return passthrough()
+   }
+
+   // Notify the client that a request has been intercepted.
+   const clientMessage = await sendToClient(client, {
+     type: 'REQUEST',
+     payload: {
+       id: requestId,
+       url: request.url,
+       method: request.method,
+       headers: Object.fromEntries(request.headers.entries()),
+       cache: request.cache,
+       mode: request.mode,
+       credentials: request.credentials,
+       destination: request.destination,
+       integrity: request.integrity,
+       redirect: request.redirect,
+       referrer: request.referrer,
+       referrerPolicy: request.referrerPolicy,
+       body: await request.text(),
+       bodyUsed: request.bodyUsed,
+       keepalive: request.keepalive,
+     },
+   })
+
+   switch (clientMessage.type) {
+     case 'MOCK_RESPONSE': {
+       return respondWithMock(clientMessage.data)
+     }
+
+     case 'MOCK_NOT_FOUND': {
+       return passthrough()
+     }
+
+     case 'NETWORK_ERROR': {
+       const { name, message } = clientMessage.data
+       const networkError = new Error(message)
+       networkError.name = name
+
+       // Rejecting a "respondWith" promise emulates a network error.
+       throw networkError
+     }
+   }
+
+   return passthrough()
+ }
+
+ function sendToClient(client, message) {
+   return new Promise((resolve, reject) => {
+     const channel = new MessageChannel()
+
+     channel.port1.onmessage = (event) => {
+       if (event.data && event.data.error) {
+         return reject(event.data.error)
+       }
+
+       resolve(event.data)
+     }
+
+     client.postMessage(message, [channel.port2])
+   })
+ }
+
+ function sleep(timeMs) {
+   return new Promise((resolve) => {
+     setTimeout(resolve, timeMs)
+   })
+ }
+
+ async function respondWithMock(response) {
+   await sleep(response.delay)
+   return new Response(response.body, response)
+ }
+