83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
9 lines
250 B
JavaScript
9 lines
250 B
JavaScript
const {unionBy} = require('./_30s.js');
|
|
|
|
test('unionBy is a Function', () => {
|
|
expect(unionBy).toBeInstanceOf(Function);
|
|
});
|
|
test('Produces the appropriate results', () => {
|
|
expect(unionBy([2.1], [1.2, 2.3], Math.floor)).toEqual([2.1, 1.2]);
|
|
});
|