Question

50

Jest No Tests found

rated 0 times [ 52] [ 2] / answers: 1 / hits: 93965 / 7 Years ago, sat, june 24, 2017, 12:00:00

running docker mhart/alpine-node:8 on macOS with

nodejs (6.10.3-r0) (18/18)
yarn 0.24.6
jest 20.0.4

I have a __tests__/index.test.js file however, when running the code

node_modules/.bin/jest --watchAll I get the below output

No tests found

In /usr/src/app

5 files checked.

testMatch: /__tests__//*.js?(x),**/?(*.)(spec|test).js?(x) - 1 match

testPathIgnorePatterns: /node_modules/,/src,src - 0 matches

Pattern: - 0 matches

I've re-installed the package numbers times but to no avail.

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answered 7 Years ago dorab · Accepted Answer

Your output says that testMatch had 1 match, which may be your __tests__/index.test.js file. It seems that your testPathIgnorePatterns is causing that test suite to be ignored. No tests found In /usr/src/app says that Jest is looking for tests in /usr/src/app, and testPathIgnorePatterns: /node_modules/,/src,src says that Jest is ignoring files in /src directories.

Either point Jest to look at the location of your __tests__/index.test.js file if it is outside the /src directory, or stop testPathIgnorePatterns from ignoring the /src directory.