directory-tree.test.ts•6.14 kB
import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import * as fs from 'fs/promises';
import * as path from 'path';
import * as os from 'os';
// We need to test the buildTree function, but it's defined inside the request handler
// So we'll extract the core logic into a testable function
import { minimatch } from 'minimatch';
interface TreeEntry {
name: string;
type: 'file' | 'directory';
children?: TreeEntry[];
}
async function buildTreeForTesting(currentPath: string, rootPath: string, excludePatterns: string[] = []): Promise<TreeEntry[]> {
const entries = await fs.readdir(currentPath, {withFileTypes: true});
const result: TreeEntry[] = [];
for (const entry of entries) {
const relativePath = path.relative(rootPath, path.join(currentPath, entry.name));
const shouldExclude = excludePatterns.some(pattern => {
if (pattern.includes('*')) {
return minimatch(relativePath, pattern, {dot: true});
}
// For files: match exact name or as part of path
// For directories: match as directory path
return minimatch(relativePath, pattern, {dot: true}) ||
minimatch(relativePath, `**/${pattern}`, {dot: true}) ||
minimatch(relativePath, `**/${pattern}/**`, {dot: true});
});
if (shouldExclude)
continue;
const entryData: TreeEntry = {
name: entry.name,
type: entry.isDirectory() ? 'directory' : 'file'
};
if (entry.isDirectory()) {
const subPath = path.join(currentPath, entry.name);
entryData.children = await buildTreeForTesting(subPath, rootPath, excludePatterns);
}
result.push(entryData);
}
return result;
}
describe('buildTree exclude patterns', () => {
let testDir: string;
beforeEach(async () => {
testDir = await fs.mkdtemp(path.join(os.tmpdir(), 'filesystem-test-'));
// Create test directory structure
await fs.mkdir(path.join(testDir, 'src'));
await fs.mkdir(path.join(testDir, 'node_modules'));
await fs.mkdir(path.join(testDir, '.git'));
await fs.mkdir(path.join(testDir, 'nested', 'node_modules'), { recursive: true });
// Create test files
await fs.writeFile(path.join(testDir, '.env'), 'SECRET=value');
await fs.writeFile(path.join(testDir, '.env.local'), 'LOCAL_SECRET=value');
await fs.writeFile(path.join(testDir, 'src', 'index.js'), 'console.log("hello");');
await fs.writeFile(path.join(testDir, 'package.json'), '{}');
await fs.writeFile(path.join(testDir, 'node_modules', 'module.js'), 'module.exports = {};');
await fs.writeFile(path.join(testDir, 'nested', 'node_modules', 'deep.js'), 'module.exports = {};');
});
afterEach(async () => {
await fs.rm(testDir, { recursive: true, force: true });
});
it('should exclude files matching simple patterns', async () => {
// Test the current implementation - this will fail until the bug is fixed
const tree = await buildTreeForTesting(testDir, testDir, ['.env']);
const fileNames = tree.map(entry => entry.name);
expect(fileNames).not.toContain('.env');
expect(fileNames).toContain('.env.local'); // Should not exclude this
expect(fileNames).toContain('src');
expect(fileNames).toContain('package.json');
});
it('should exclude directories matching simple patterns', async () => {
const tree = await buildTreeForTesting(testDir, testDir, ['node_modules']);
const dirNames = tree.map(entry => entry.name);
expect(dirNames).not.toContain('node_modules');
expect(dirNames).toContain('src');
expect(dirNames).toContain('.git');
});
it('should exclude nested directories with same pattern', async () => {
const tree = await buildTreeForTesting(testDir, testDir, ['node_modules']);
// Find the nested directory
const nestedDir = tree.find(entry => entry.name === 'nested');
expect(nestedDir).toBeDefined();
expect(nestedDir!.children).toBeDefined();
// The nested/node_modules should also be excluded
const nestedChildren = nestedDir!.children!.map(child => child.name);
expect(nestedChildren).not.toContain('node_modules');
});
it('should handle glob patterns correctly', async () => {
const tree = await buildTreeForTesting(testDir, testDir, ['*.env']);
const fileNames = tree.map(entry => entry.name);
expect(fileNames).not.toContain('.env');
expect(fileNames).toContain('.env.local'); // *.env should not match .env.local
expect(fileNames).toContain('src');
});
it('should handle dot files correctly', async () => {
const tree = await buildTreeForTesting(testDir, testDir, ['.git']);
const dirNames = tree.map(entry => entry.name);
expect(dirNames).not.toContain('.git');
expect(dirNames).toContain('.env'); // Should not exclude this
});
it('should work with multiple exclude patterns', async () => {
const tree = await buildTreeForTesting(testDir, testDir, ['node_modules', '.env', '.git']);
const entryNames = tree.map(entry => entry.name);
expect(entryNames).not.toContain('node_modules');
expect(entryNames).not.toContain('.env');
expect(entryNames).not.toContain('.git');
expect(entryNames).toContain('src');
expect(entryNames).toContain('package.json');
});
it('should handle empty exclude patterns', async () => {
const tree = await buildTreeForTesting(testDir, testDir, []);
const entryNames = tree.map(entry => entry.name);
// All entries should be included
expect(entryNames).toContain('node_modules');
expect(entryNames).toContain('.env');
expect(entryNames).toContain('.git');
expect(entryNames).toContain('src');
});
});