test(cypress-github-backend): optionally record tests and run using recorded data (#2776)

cypress/utils/mock-server.js

@@ -0,0 +1,49 @@
+const { mockServerClient } = require('mockserver-client');
+const mockserver = require('mockserver-node');
+
+const PROXY_PORT = 1080;
+const PROXY_HOST = 'localhost';
+
+const start = () =>
+  mockserver.start_mockserver({
+    serverPort: PROXY_PORT,
+  });
+
+const stop = () =>
+  mockserver.stop_mockserver({
+    serverPort: PROXY_PORT,
+  });
+
+const retrieveRecordedExpectations = async () => {
+  const promise = new Promise((resolve, reject) => {
+    mockServerClient(PROXY_HOST, PROXY_PORT)
+      .retrieveRecordedExpectations({})
+      .then(resolve, reject);
+  });
+
+  let recorded = await promise;
+  recorded = recorded.filter(({ httpRequest }) => {
+    const { Host = [] } = httpRequest.headers;
+
+    return Host.includes('api.github.com');
+  });
+
+  return recorded;
+};
+
+const resetMockServerState = async () => {
+  const promise = new Promise((resolve, reject) => {
+    mockServerClient(PROXY_HOST, PROXY_PORT)
+      .reset()
+      .then(resolve, reject);
+  });
+
+  await promise;
+};
+
+module.exports = {
+  start,
+  stop,
+  resetMockServerState,
+  retrieveRecordedExpectations,
+};