Multple mock events

e2e/mockServer/mockServer.js

@@ -3,28 +3,30 @@ import portfinder from 'portfinder';
 
 const mockServer = getLocal();
 
-export const startMockServer = async ({
-  mockUrl,
-  responseCode = 500,
-  responseBody = {},
-  port,
-}) => {
-  if (!mockUrl) throw new Error('The mockUrl parameter is required');
-
+export const startMockServer = async (events, port) => {
   // Find an available port
   port = port || await portfinder.getPortPromise();
 
   await mockServer.start(port);
   console.log(`Mockttp server running at http://localhost:${port}`);
 
-  await mockServer
-    .forGet('/health-check')
-    .thenReply(200, 'Mock server is running');
+  // Health check endpoint
+  await mockServer.forGet('/health-check').thenReply(200, 'Mock server is running');
+
+  // Set up mock events
+  for (const event of events) {
+    const { mockUrl, responseCode, responseBodyFile } = event;
+    let responseBody;
+
+    // Dynamically import the response body from the file
+    if (responseBodyFile) {
+      responseBody = (await import(responseBodyFile)).default; // Adjust based on your exports
+    } else {
+      responseBody = {};
+    }
 
-  await mockServer
-    .forGet('/proxy')
-    .withQuery({ url: mockUrl })
-    .thenReply(responseCode, JSON.stringify(responseBody));
+    await mockServer.forGet(mockUrl).thenReply(responseCode, JSON.stringify(responseBody));
+  }
 
   await mockServer.forUnmatchedRequest().thenPassThrough({
     beforeRequest: async ({ url, method }) => {

e2e/specs/mock-data/mock-events.js

@@ -0,0 +1,20 @@
+export const mockEvents = {
+    suggestedGasApiSuccessResponse: {
+      mockUrl: 'https://gas.api.cx.metamask.io/networks/1/suggestedGasFees',
+      responseCode: 200,
+      responseBodyFile: '../responseBodies/suggestedGasApi',
+      responseType: 'success',
+    },
+    suggestedGasApiErrorResponse: {
+      mockUrl: 'https://gas.api.cx.metamask.io/networks/1/suggestedGasFees',
+      responseCode: 500,
+      responseBodyFile: '../responseBodies/suggestedGasApi',
+      responseType: 'error',
+    },
+    suggestedGasApiSlowResponse: {
+      mockUrl: 'https://gas.api.cx.metamask.io/networks/1/suggestedGasFees',
+      responseCode: 200,
+      responseBodyFile: '../responseBodies/suggestedGasApi',
+      responseType: 'slowResponse',
+    },
+  };

e2e/specs/mock-data/mock-responses/suggestGasApi.js

@@ -0,0 +1,18 @@
+export const success = {
+    success: true,
+    data: {
+        gasFee: '100 Gwei',
+    },
+};
+export const error = {
+    error: 'Internal server error',
+    message: 'Unable to fetch suggested gas fees.',
+};
+export const slowResponse = {
+    success: true,
+    data: {
+        gasFee: '150 Gwei',
+    },
+    delay: 5000, // Simulate delay
+};
+

e2e/specs/mock-specs/suggestedGasApi.mock.spec.js

@@ -16,20 +16,19 @@ import Accounts from '../../../wdio/helpers/Accounts.js';
 import { withFixtures } from '../../fixtures/fixture-helper.js';
 import FixtureBuilder from '../../fixtures/fixture-builder.js';
 import TestHelpers from '../../helpers.js';
-import { urls } from '../../mockServer/mockUrlCollection.json';
+import { urls } from '../mock-data/mockUrlCollection.json';
 import SuccessImportAccountView from '../../pages/importAccount/SuccessImportAccountView.js';
+import { mockEvents } from '../mock-data/mock-events.js';
 
 describe(SmokeCore('Mock suggestedGasApi fallback to legacy gas endpoint  when EIP1559 endpoint is down'), () => {
   let mockServer;
   beforeAll(async () => {
     jest.setTimeout(150000);
     await TestHelpers.reverseServerPort();
 
-    mockServer = await startMockServer({ // Configure mock server
-      mockUrl: urls.suggestedGasApiMainnet,
-      responseCode: 500,
-      responseBody: { error: 'Internal server error' },
-    });
+    mockServer = await startMockServer([
+      mockEvents.suggestedGasApiSuccessResponse   // Multiple events can be passed through this
+    ]);
   });
 
   // Because we stop the server within the test, a try catch block here would stop the server if the test fails midway