tprompter/dist/utils/longestCommonPrefix.spec.js

```bash $ ask anything ```

import { longestCommonPrefix } from './longestCommonPrefix.js';
describe('longestCommonPrefix', () => {
    const fixtures = [
        {
            input: [],
            expected: '',
        },
        {
            input: ['/usr/bin'],
            expected: '/usr/bin',
        },
        {
            input: ['/usr/bin', '/usr/lib'],
            expected: '/usr/',
        },
        {
            input: ['/usr/bin', ''],
            expected: '',
        },
        {
            input: ['/home/user/docs/file1.txt', '/home/user/docs/file2.txt'],
            expected: '/home/user/docs/file',
        },
        {
            input: ['/var/log/nginx/access.log', '/var/log/nginx/error.log', '/var/log/nginx/other.log'],
            expected: '/var/log/nginx/',
        },
        {
            input: ['/a/b/c', '/a/b/d', '/a/b'],
            expected: '/a/b',
        },
        {
            input: ['/foo/bar', '/baz/qux'],
            expected: '/',
        },
        {
            input: ['/same/path', '/same/path', '/same/path'],
            expected: '/same/path',
        },
    ];
    it.each(fixtures)('should return "$expected" when given %j', ({ input, expected }) => {
        const result = longestCommonPrefix(input);
        expect(result).toEqual(expected);
    });
});