lodash/test/join.spec.ts

import assert from 'node:assert';
import join from '../src/join';

describe('join', () => {
    const array = ['a', 'b', 'c'];

    it('should return join all array elements into a string', () => {
        assert.strictEqual(join(array, '~'), 'a~b~c');
    });

    it('should return an unwrapped value when implicitly chaining', () => {
        const wrapped = _(array);
        assert.strictEqual(wrapped.join('~'), 'a~b~c');
        assert.strictEqual(wrapped.value(), array);
    });

    it('should return a wrapped value when explicitly chaining', () => {
        assert.ok(_(array).chain().join('~') instanceof _);
    });
});