Files
lodash/test/sample.js
Benjamin Tan d5ef31929a Add initial test files from lodash v4. (#4172)
* Install test dependencies.

* Add initial test files.

These files were created using a simplistic AST manipulator using `recast` to
preserve formatting. There's bound to be a huge chunk of errors, but this serves
as a good start. QUnit was replaced with Mocha, with ES2015 imports running via
`esm`.

As far as possible, QUnit-specific syntax has been replaced with Mocha's
`describe` and `it`, while the native Node.js `assert` module is used for
assertions. Files in the `test` directory ending in `.test.js` will be treated
as test files.

* Add initial passing files to test run.
2019-02-12 09:11:32 -08:00

33 lines
871 B
JavaScript

import assert from 'assert';
import lodashStable from 'lodash';
import { empties, noop } from './utils.js';
import sample from '../sample.js';
describe('sample', function() {
var array = [1, 2, 3];
it('should return a random element', function() {
var actual = sample(array);
assert.ok(lodashStable.includes(array, actual));
});
it('should return `undefined` when sampling empty collections', function() {
var expected = lodashStable.map(empties, noop);
var actual = lodashStable.transform(empties, function(result, value) {
try {
result.push(sample(value));
} catch (e) {}
});
assert.deepStrictEqual(actual, expected);
});
it('should sample an object', function() {
var object = { 'a': 1, 'b': 2, 'c': 3 },
actual = sample(object);
assert.ok(lodashStable.includes(array, actual));
});
});