fix(testing): run cypress install if cypress is not installed

packages/cypress/src/executors/cypress/cypress.impl.spec.ts

@@ -9,6 +9,12 @@ let devkit = require('@nrwl/devkit');
 
 jest.mock('../../utils/cypress-version');
 jest.mock('../../utils/ct-helpers');
+jest.mock('child_process', () => {
+  return {
+    ...jest.requireActual('child_process'),
+    execSync: jest.fn(),
+  };
+});
 const Cypress = require('cypress');
 
 describe('Cypress builder', () => {
@@ -33,6 +39,9 @@ describe('Cypress builder', () => {
   (devkit as any).readTargetOptions = jest.fn().mockReturnValue({
     watch: true,
   });
+  (devkit as any).getPackageManagerCommand = jest.fn().mockReturnValue({
+    exec: 'npx',
+  });
   let runExecutor: any;
   let mockGetTailwindPath: jest.Mock<ReturnType<typeof getTempTailwindPath>> =
     getTempTailwindPath as any;
@@ -411,6 +420,23 @@ A generator to migrate from v8 to v10 is provided. See https://nx.dev/cypress/v1
     );
   });
 
+  it('should call cypress verify', async () => {
+    const cp = require('child_process');
+    const execSpy = jest.spyOn(cp, 'execSync');
+    await cypressExecutor(cypressOptions, mockContext);
+    expect(execSpy).toHaveBeenCalledWith('npx cypress verify');
+  });
+
+  it('should make sure cypress is installed', async () => {
+    const cp = require('child_process');
+    const execSpy = jest.spyOn(cp, 'execSync').mockImplementationOnce(() => {
+      throw new Error('blah');
+    });
+    await cypressExecutor(cypressOptions, mockContext);
+    expect(execSpy).toHaveBeenNthCalledWith(1, 'npx cypress verify');
+    expect(execSpy).toHaveBeenNthCalledWith(2, 'npx cypress install');
+  });
+
   describe('Component Testing', () => {
     beforeEach(() => {
       mockGetTailwindPath.mockReturnValue(undefined);

packages/cypress/src/executors/cypress/cypress.impl.ts

@@ -1,11 +1,13 @@
 import {
   ExecutorContext,
+  getPackageManagerCommand,
   logger,
   parseTargetString,
   readTargetOptions,
   runExecutor,
   stripIndents,
 } from '@nrwl/devkit';
+import { execSync } from 'child_process';
 import 'dotenv/config';
 import { existsSync, unlinkSync } from 'fs';
 import { basename, dirname, join } from 'path';
@@ -49,6 +51,7 @@ export default async function cypressExecutor(
   options: CypressExecutorOptions,
   context: ExecutorContext
 ) {
+  assertCypressInstalled();
   options = normalizeOptions(options, context);
   // this is used by cypress component testing presets to build the executor contexts with the correct configuration options.
   process.env.NX_CYPRESS_TARGET_CONFIGURATION = context.configurationName;
@@ -144,6 +147,20 @@ A generator to migrate from v8 to v10 is provided. See https://nx.dev/cypress/v1
   }
 }
 
+function assertCypressInstalled() {
+  const pm = getPackageManagerCommand();
+  try {
+    execSync(`${pm.exec} cypress verify`);
+  } catch (e) {
+    if (e.stdout) {
+      logger.debug(e.stdout.toString());
+    }
+
+    logger.info(`NX Attempting to install Cypress.`);
+    execSync(`${pm.exec} cypress install`);
+  }
+}
+
 async function* startDevServer(
   opts: CypressExecutorOptions,
   context: ExecutorContext