Peekaboo MCP

import { describe, test, expect, vi } from 'vitest'; import * as path from 'path'; // Create a test version of findProjectRoot that we can control function testFindProjectRoot(mockDirname: string): string { const sep = path.sep; const nodeModulesIndex = mockDirname.lastIndexOf(`${sep}node_modules${sep}`); if (nodeModulesIndex === -1) { throw new Error( 'peekaboo-mcp must be run as an installed npm package. ' + 'Direct execution is not supported for security reasons.' ); } return mockDirname.substring(0, nodeModulesIndex); } describe('findProjectRoot Security Enhancement Tests', () => { test('handles symlinked node_modules', () => { const mockedPath = '/real/path/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/real/path'); }); test('works in monorepo with workspaces', () => { const mockedPath = '/monorepo/packages/app/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/monorepo/packages/app'); }); test('works with pnpm node_modules structure', () => { // pnpm uses a different structure with .pnpm directory const mockedPath = '/project/node_modules/.pnpm/peekaboo-mcp@1.0.0/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); // With pnpm, it finds the innermost node_modules expect(result).toBe('/project/node_modules/.pnpm/peekaboo-mcp@1.0.0'); }); test('handles permission denied on parent dirs gracefully', () => { const mockedPath = '/home/user/project/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/home/user/project'); }); test('works on Windows with different separators', () => { // Test Windows-style path const windowsSep = '\\'; const mockedPath = 'C:\\Users\\dev\\project\\node_modules\\peekaboo-mcp\\dist'; // Manually calculate the result for Windows paths const nodeModulesPattern = `${windowsSep}node_modules${windowsSep}`; const index = mockedPath.lastIndexOf(nodeModulesPattern); const expectedResult = mockedPath.substring(0, index); expect(expectedResult).toBe('C:\\Users\\dev\\project'); }); test('handles deeply nested node_modules', () => { // Test with multiple levels of node_modules (common in complex projects) const mockedPath = '/project/node_modules/package-a/node_modules/package-b/node_modules/peekaboo-mcp/dist'; // Finds the closest node_modules parent const result = testFindProjectRoot(mockedPath); expect(result).toBe('/project/node_modules/package-a/node_modules/package-b'); }); test('handles yarn workspaces with hoisted dependencies', () => { // Yarn workspaces hoist dependencies to root const mockedPath = '/workspace-root/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/workspace-root'); }); test('handles scoped package paths', () => { // Test with @scope/package-name structure const mockedPath = '/project/node_modules/@mycompany/tools/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/project/node_modules/@mycompany/tools'); }); test('throws error when not in node_modules', () => { // Direct execution scenario const mockedPath = '/home/user/peekaboo-mcp/src'; expect(() => testFindProjectRoot(mockedPath)).toThrow('must be run as an installed npm package'); }); test('handles edge case with node_modules in project name', () => { // Project name contains 'node_modules' but isn't actually in node_modules const mockedPath = '/home/user/my-node_modules-project/src'; // Should throw because it's not actually in a node_modules directory expect(() => testFindProjectRoot(mockedPath)).toThrow('must be run as an installed npm package'); }); test('correctly identifies project root with trailing separator', () => { // Test with trailing path separator const mockedPath = `/project/node_modules/peekaboo-mcp/dist/`; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/project'); }); test('handles node_modules at root level', () => { // Edge case: node_modules at filesystem root const mockedPath = '/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe(''); }); test('handles complex pnpm structure with version', () => { // pnpm with specific version in path const mockedPath = '/project/node_modules/.pnpm/peekaboo-mcp@1.2.3_typescript@4.5.2/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/project/node_modules/.pnpm/peekaboo-mcp@1.2.3_typescript@4.5.2'); }); test('handles Electron app asar archive paths', () => { // Electron apps may have special paths const mockedPath = '/Applications/MyApp.app/Contents/Resources/app.asar/node_modules/peekaboo-mcp/dist'; const result = testFindProjectRoot(mockedPath); expect(result).toBe('/Applications/MyApp.app/Contents/Resources/app.asar'); }); });