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Test migration to jest by hand

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Apparently using regular expressions is way easier.
This commit is contained in:
Angelos Chalaris
2018-06-18 15:15:56 +03:00
parent 977949ca61
commit 4f7da1be9b
894 changed files with 5917 additions and 3607 deletions
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5
test/intersectionBy/intersectionBy.js Normal file
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const intersectionBy = (a, b, fn) => {
const s = new Set(b.map(x => fn(x)));
return a.filter(x => s.has(fn(x)));
};
module.exports = intersectionBy;

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test/intersectionBy/intersectionBy.test.js Normal file
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const expect = require('expect');
const intersectionBy = require('./intersectionBy.js');
test('intersectionBy is a Function', () => {
expect(intersectionBy).toBeInstanceOf(Function);
});
t.deepEqual(intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor), [2.1], 'Returns a list of elements that exist in both arrays, after applying the provided function to each array element of both');