Files
lodash/test/tap.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

31 lines
708 B
JavaScript

import assert from 'assert';
describe('tap', function() {
it('should intercept and return the given value', function() {
var intercepted,
array = [1, 2, 3];
var actual = _.tap(array, function(value) {
intercepted = value;
});
assert.strictEqual(actual, array);
assert.strictEqual(intercepted, array);
});
it('should intercept unwrapped values and return wrapped values when chaining', function() {
var intercepted,
array = [1, 2, 3];
var wrapped = _(array).tap(function(value) {
intercepted = value;
value.pop();
});
assert.ok(wrapped instanceof _);
wrapped.value();
assert.strictEqual(intercepted, array);
});
});