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RE: new project yarn test failed (error message:This promise must be present when running with -o.)

See original GitHub issue

Is this a bug report?

Maybe.

Environment

Environment: OS: macOS High Sierra 10.13.2 Node: 6.9.1 Yarn: 1.3.2 npm: 4.1.1 Watchman: 4.9.0 Xcode: Xcode 9.2 Build version 9C40b Android Studio: 2.2 AI-145.3537739

Packages: (wanted => installed) react: 16.0.0 => 16.0.0 react-native: 0.50.3 => 0.50.3

Steps to Reproduce

create-react-native-app foo 2.cd foo 3.yarn test

Expected Behavior

The default App.test.js is running and show all passed.

Actual Behavior

error message:

Determining test suites to run…Error: This promise must be present when running with -o. at /Users/developer/Desktop/code/es6/rn/learnTest/node_modules/jest-cli/build/search_source.js:202:17

Issue Analytics

State:
Created 6 years ago
Comments:8

Top GitHub Comments

1reaction

75341704commented, Jan 12, 2018

But If it is react project, steps below 1.create-react-app foo 2.cd foo 3.yarn test

The default App.test.js is working and show all passed.

Anyone have some idea abt it?

0reactions

jcollumcommented, Feb 26, 2018

This appears to have been fixed in 0.53.3

react-native init testBug
...
cd testBug/
npm test

> testBug@0.0.1 test /Users/justin/projects/testBug
> jest

 PASS  __tests__/App.js (5.853s)
  ✓ renders correctly (3691ms)

Test Suites: 1 passed, 1 total
Tests:       1 passed, 1 total
Snapshots:   0 total
Time:        6.87s
Ran all test suites.