In my project folder I have lots of subfolders with js code and test.js file in each of them. I want to be able to test specific file. For example, let's say in our project folder we have 'fib' folder:
C:.
└───exercises
└───fib
fib-test.js
index.js
Now, from the exercises folder I execute jest command:
jest fib\fib-test.js
And I get:
No tests found, exiting with code 1
Run with `--passWithNoTests` to exit with code 0
In C:\exercises
62 files checked.
testMatch: **/__tests__/**/*.[jt]s?(x), **/?(*.)+(spec|test).[tj]s?(x) - 26 matches
testPathIgnorePatterns: \\node_modules\\ - 62 matches
testRegex: - 0 matches
Pattern: fib\fib-test.js - 0 matches
If I do just jest, I'll get all tests ran. If I move fib folder out of the exercises folder it works as expected. Here is the code for all of the files:
index.js:
function fib(n) {}
module.exports = fib;
test.js:
const fib = require('./index');
test('Fib function is defined', () => {
expect(typeof fib).toEqual('function');
});
test('calculates correct fib value for 1', () => {
expect(fib(1)).toEqual(1);
});
test('calculates correct fib value for 2', () => {
expect(fib(2)).toEqual(1);
});
test('calculates correct fib value for 3', () => {
expect(fib(3)).toEqual(2);
});
test('calculates correct fib value for 4', () => {
expect(fib(4)).toEqual(3);
});
test('calculates correct fib value for 15', () => {
expect(fib(39)).toEqual(63245986);
});
package.json:
{
"name": "dev",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"jest": {
"testEnvironment": "node"
},
"author": "",
"license": "ISC"
}
I've tried all of these solutions with no success:
- Run single test of a specific test suite in Jest
- How do I run a single test using Jest?
- How do I test a single file using Jest?
But was able to achieve the desired result running jest command with --watch flag and then in regex menu entering the relative path to the fib\test.js. The question is how to do it without entering watch menu?
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