当在 react 中运行 npm test 时，Jest 给了我下面的消息，我要做的就是运行它默认在 App.test.js 中的测试

Question

● Test suite failed to run

Cannot find module 'C:\Users.....\node_modules\grpc\src\node\extension_binary\node-v72-win32-x64-unknown\grpc_node.node' from 'grpc_extension.js'

However, Jest was able to find:
    './grpc_extension.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string     

However, Jest was able to find:
    './client_interceptors.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string     

However, Jest was able to find:
    '../api/api-firebase.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

PASS src/App.test.js FAIL src/pages/InventoryItems.test.js ● Test suite failed to run

Cannot find module 'C:\Users\el_mo\Boom\BoomAdmin\boom-platform-admin-portal\node_modules\grpc\src\node\extension_binary\node-v72-win32-x64-unknown\grpc_node.node' from 'grpc_extension.js'

However, Jest was able to find:
    './grpc_extension.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string     

However, Jest was able to find:
    './client_interceptors.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string     

However, Jest was able to find:
    '../api/api-firebase.js'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 

'json', 'web.jsx', 'jsx', 'node'].

'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string

However, Jest was able to find:
    './InventoryItems.test.js'
    './InventoryItems.tsx'

You might want to include a file extension in your import, or update your 'moduleFileExtensions', which is currently ['web.js'js', 'js', 'web.ts', 'ts', 'web.tsx', 'tsx', 'json', 'web.jsx', 'jsx', 'node'].

See https://jestjs.io/docs/en/configuration#modulefileextensions-array-string

  at Resolver.resolveModule (node_modules/jest-resolve/build/index.js:259:17)
  at Object.<anonymous> (node_modules/grpc/src/grpc_extension.js:32:13)

Test Suites: 1 failed, 1 passed, 2 total Tests: 1 passed, 1 total Snapshots: 0 total Time: 5.856s Ran all test suites related to changed files.

Answer 1

So I finally solved it!! I had to downgrade node's version, then I had to re-install react-scripts. The node version that I used was 6.14.8