MCP Tools

import { describe, expect, it } from 'vitest' import { mapPattern } from '../../src/tools/readSymbol.js' interface TestCase { description: string input: string expected: string } describe('readSymbol tool', () => { describe('mapPattern function', () => { // Constants for easier maintenance const DEFAULT_EXTENSIONS = '{d.ts,ts,tsx,js,jsx,mjs,cjs,cts,java,cs,cpp,c,h,hpp,cc,go,rs,php,swift,scss,css,less,graphql,gql,prisma,proto}' const testCases: TestCase[] = [ // Files with extensions - should pass through unchanged { input: 'src/app.ts', expected: 'src/app.ts', description: 'TypeScript file with extension', }, { input: 'package.json', expected: 'package.json', description: 'JSON file returned as-is (no glob chars)', }, { input: 'styles.css', expected: 'styles.css', description: 'CSS file with extension', }, { input: 'README.md', expected: 'README.md', description: 'Markdown file returned as-is (no glob chars)', }, { input: 'types.d.ts', expected: 'types.d.ts', description: 'TypeScript declaration file', }, { input: 'nested/deep/file.js', expected: 'nested/deep/file.js', description: 'Nested file with extension', }, // Current directory patterns { input: '.', expected: '.', description: 'Current directory returned as-is (no trailing slash)', }, { input: './', expected: `./**/*.${DEFAULT_EXTENSIONS}`, description: 'Current directory with trailing slash searches recursively', }, // Directory paths (no trailing slash) { input: 'src', expected: `src/**/*.${DEFAULT_EXTENSIONS}`, description: 'Simple directory name (no slash, no dot) searches recursively', }, { input: 'src/components', expected: 'src/components', description: 'Nested directory path (has slash) returned as-is', }, { input: 'test/unit/helpers', expected: 'test/unit/helpers', description: 'Deep nested directory (has slash) returned as-is', }, { input: 'backend', expected: `backend/**/*.${DEFAULT_EXTENSIONS}`, description: 'Backend directory (no slash, no dot) searches recursively', }, // Directory paths (with trailing slash) { input: 'src/', expected: `src/**/*.${DEFAULT_EXTENSIONS}`, description: 'Directory with trailing slash searches recursively', }, { input: 'api/routes/', expected: `api/routes/**/*.${DEFAULT_EXTENSIONS}`, description: 'Nested directory with trailing slash searches recursively', }, { input: 'frontend/components/', expected: `frontend/components/**/*.${DEFAULT_EXTENSIONS}`, description: 'Deep directory with trailing slash searches recursively', }, // Common glob patterns { input: '*', expected: `*.${DEFAULT_EXTENSIONS}`, description: 'Wildcard for all files in current directory', }, { input: '*.*', expected: `*.${DEFAULT_EXTENSIONS}`, description: 'Wildcard for all files with extensions', }, // Glob patterns without extensions - should add extensions { input: 'src/*', expected: `src/*.${DEFAULT_EXTENSIONS}`, description: 'Wildcard in directory', }, { input: '**/*', expected: `**/*.${DEFAULT_EXTENSIONS}`, description: 'Recursive wildcard', }, { input: 'src/**/*', expected: `src/**/*.${DEFAULT_EXTENSIONS}`, description: 'Recursive wildcard in directory', }, { input: 'test/*/fixtures', expected: `test/*/fixtures.${DEFAULT_EXTENSIONS}`, description: 'Wildcard in middle of path', }, // Glob patterns with brackets { input: 'src/[abc]*', expected: `src/[abc]*.${DEFAULT_EXTENSIONS}`, description: 'Character class glob pattern', }, { input: 'test/[0-9]*', expected: `test/[0-9]*.${DEFAULT_EXTENSIONS}`, description: 'Numeric range glob pattern', }, // Glob patterns with question marks { input: 'src/?est', expected: `src/?est.${DEFAULT_EXTENSIONS}`, description: 'Single character wildcard', }, { input: 'lib/util?', expected: `lib/util?.${DEFAULT_EXTENSIONS}`, description: 'Single character wildcard at end', }, // Names without extensions that look like files { input: 'README', expected: `README/**/*.${DEFAULT_EXTENSIONS}`, description: 'README (no slash, no dot) treated as directory', }, { input: 'Dockerfile', expected: `Dockerfile/**/*.${DEFAULT_EXTENSIONS}`, description: 'Dockerfile (no slash, no dot) treated as directory', }, { input: 'Makefile', expected: `Makefile/**/*.${DEFAULT_EXTENSIONS}`, description: 'Makefile (no slash, no dot) treated as directory', }, // Complex nested patterns { input: 'apps/frontend/src', expected: 'apps/frontend/src', description: 'Deep nested application directory (has slash) returned as-is', }, { input: 'packages/*/src', expected: `packages/*/src.${DEFAULT_EXTENSIONS}`, description: 'Monorepo package pattern', }, { input: 'libs/shared', expected: 'libs/shared', description: 'Shared library directory (has slash) returned as-is', }, // Edge cases with mixed dots and paths { input: 'src.backup', expected: 'src.backup', description: 'Directory name with dot returned as-is (treated as file)', }, { input: 'node_modules', expected: `node_modules/**/*.${DEFAULT_EXTENSIONS}`, description: 'node_modules (no slash, no dot) searches recursively', }, { input: 'node_modules/lodash', expected: 'node_modules/{@types/,}lodash', description: 'node_modules package includes @types transformation', }, { input: 'node_modules/react/lib', expected: 'node_modules/{@types/,}react/lib', description: 'node_modules package with subpath includes @types transformation', }, { input: 'node_modules/@types/node', expected: 'node_modules/@types/node', description: 'node_modules @types package not double-transformed', }, { input: 'src/node_modules/utils', expected: 'src/node_modules/{@types/,}utils', description: 'nested node_modules includes @types transformation', }, { input: '.git', expected: '.git', description: 'Hidden directory (has dot) returned as-is - use .git/ to search recursively', }, { input: '.git/', expected: `.git/**/*.${DEFAULT_EXTENSIONS}`, description: 'Hidden directory with trailing slash searches recursively', }, // Already have glob patterns with extensions - should pass through { input: 'src/**/*.ts', expected: 'src/**/*.ts', description: 'Already has TypeScript extension pattern', }, { input: '**/*.json', expected: '**/*.json', description: 'JSON pattern already has extension, returned as-is', }, { input: 'test/**/*.spec.js', expected: 'test/**/*.spec.js', description: 'Already has specific test file pattern', }, // Patterns that would confuse the logic { input: 'src.old/backup', expected: 'src.old/backup', description: 'Directory path with dots (has slash) returned as-is', }, { input: 'weird.folder.name', expected: 'weird.folder.name', description: 'Directory with multiple dots (has dot) returned as-is', }, { input: 'folder/file.with.dots', expected: 'folder/file.with.dots', description: 'Path with dots (has slash) returned as-is', }, // Empty and minimal cases { input: '/', expected: `/**/*.${DEFAULT_EXTENSIONS}`, description: 'Root directory with trailing slash searches recursively', }, // Other commonly ignored directories { input: 'dist/assets', expected: 'dist/assets', description: 'dist subdirectory (has slash) returned as-is', }, { input: 'build', expected: `build/**/*.${DEFAULT_EXTENSIONS}`, description: 'build directory (no slash, no dot) searches recursively', }, // Windows-style paths { input: 'src\\components', expected: 'src\\components', description: 'Windows-style directory path (has backslash) returned as-is', }, // Files with multiple extensions { input: 'config.test.ts', expected: 'config.test.ts', description: 'File with multiple extensions', }, { input: 'component.stories.tsx', expected: 'component.stories.tsx', description: 'Storybook file with multiple extensions', }, { input: 'a', expected: `a/**/*.${DEFAULT_EXTENSIONS}`, description: 'Single letter directory (no slash, no dot) searches recursively', }, { input: 'A', expected: `A/**/*.${DEFAULT_EXTENSIONS}`, description: 'Single uppercase letter directory (no slash, no dot) searches recursively', }, // Absolute paths and shell files { input: '/home/user/.bash_functions', expected: '/home/user/.bash_functions', description: 'Absolute path to shell file returned as-is (no glob chars)', }, { input: '/etc/config.conf', expected: '/etc/config.conf', description: 'Absolute path to config file returned as-is (no glob chars)', }, { input: '.bashrc', expected: '.bashrc', description: 'Dotfile without extension returned as-is (no glob chars)', }, { input: '/home/user/.bashrc', expected: '/home/user/.bashrc', description: 'Absolute path to dotfile has extension pattern, returned as-is', }, ] testCases.forEach((testCase) => { it(testCase.description, () => { const result = mapPattern(testCase.input) expect(result).toBe(testCase.expected) }) }) }) })