als-path-tree/tests/directory.test.js

A Node.js library for managing a virtual file system structure, offering functionalities for file and directory operations with a shared storage system.

const { describe, it, beforeEach } = require('node:test');
const assert = require('node:assert');
const Directory = require('../lib/directory');
const File = require('../lib/file');

describe('Directory', () => {
    let rootDir;

    beforeEach(() => {
        rootDir = new Directory('root');
    });

    it('adds a directory to the root', () => {
        const newDir = rootDir.addDir('subdir');
        assert.strictEqual(rootDir.subdirectories['subdir'], newDir);
    });

    it('adds a file to a directory', () => {
        const file = rootDir.addFile('subdir/file.txt', { size: 512 }, 'test content');
        assert.strictEqual(rootDir.getItem('subdir/file.txt'), file);
    });

    it('removes an empty directory', () => {
        const subdir = rootDir.addDir('subdir');
        subdir.removeIfEmpty();
        assert.strictEqual(rootDir.subdirectories['subdir'], undefined);
    });

    it('deletes a directory and its contents', () => {
        const subdir = rootDir.addDir('subdir');
        rootDir.addFile('subdir/file.txt', { size: 512 }, 'test content');

        subdir.delete();

        assert.strictEqual(rootDir.subdirectories['subdir'], undefined);
        assert.strictEqual(rootDir.getItem('subdir/file.txt'), null);
    });

    it('copies a directory and its contents to another location', () => {
        rootDir.addFile('subdir/file.txt', { size: 512 }, 'test content');
        rootDir.addDir('subdir/nested');

        assert.ok(rootDir.getItem('subdir/nested'))
        assert.ok(rootDir.getItem('subdir/file.txt'))
        rootDir.subdirectories['subdir'].copyTo('./copyDir');
        assert.ok(rootDir.getItem('./copyDir'))
        assert.ok(rootDir.getItem('./copyDir/nested'))
        assert.ok(rootDir.getItem('./copyDir/file.txt'))
    });

    it('moves a directory to another location', () => {
        const subdir = rootDir.addDir('subdir');
        const file = rootDir.addFile('subdir/file.txt', { size: 512 }, 'test content');

        subdir.moveTo('movedDir');

        assert.strictEqual(rootDir.getItem('subdir'), null);
        assert.notStrictEqual(rootDir.getItem('movedDir/file.txt'), file);
    });

});

describe('Directory Path Handling', () => {
    let rootDir;

    beforeEach(() => {
        rootDir = new Directory('root');
    });

    it('handles relative paths correctly', () => {
        const file = rootDir.addFile('./subdir/../file.txt', {}, 'content');
        assert.strictEqual(file.content, 'content');
        assert.strictEqual(rootDir.getItem('./file.txt'), file);
    });

    it.only('throws an error for invalid paths', () => {
        assert.throws(() => rootDir.addFile(null, {}, 'content'), Error);
        assert.throws(() => rootDir.addFile(undefined, {}, 'content'), Error);
        const file = rootDir.addFile('////file.txt', {}, 'content')
        assert(file.path === '/root/file.txt')
    });

    it('handles nested directories and files', () => {
        rootDir.addFile('dir1/dir2/file.txt', {}, 'content');
        const nestedFile = rootDir.getItem('dir1/dir2/file.txt');
        assert(nestedFile);
        assert.strictEqual(nestedFile.content, 'content');
    });
});