import { describe, it } from 'bun:test';
import assert from 'node:assert';
import path from 'path';
import { normalizePath } from './path';
import { McpError, ErrorCode } from "@modelcontextprotocol/sdk/types.js";
describe('normalizePath', () => {
describe('Common tests', () => {
it('should handle relative paths', () => {
assert.strictEqual(normalizePath('./path/to/file'), path.resolve('./path/to/file'));
assert.strictEqual(normalizePath('../path/to/file'), path.resolve('../path/to/file'));
});
it('should throw error for invalid paths', () => {
assert.throws(() => normalizePath(''), McpError);
assert.throws(() => normalizePath(null as any), McpError);
assert.throws(() => normalizePath(undefined as any), McpError);
assert.throws(() => normalizePath(123 as any), McpError);
});
});
describe('Windows-specific tests', () => {
it('should handle Windows drive letters', () => {
assert.strictEqual(normalizePath('C:\\path\\to\\file'), 'C:/path/to/file');
assert.strictEqual(normalizePath('D:/path/to/file'), 'D:/path/to/file');
assert.strictEqual(normalizePath('Z:\\test\\folder'), 'Z:/test/folder');
});
it('should allow colons in Windows drive letters', () => {
assert.strictEqual(normalizePath('C:\\path\\to\\file'), 'C:/path/to/file');
assert.strictEqual(normalizePath('D:/path/to/file'), 'D:/path/to/file');
assert.strictEqual(normalizePath('X:\\test\\folder'), 'X:/test/folder');
});
it('should reject Windows paths with invalid characters', () => {
assert.throws(() => normalizePath('C:\\path\\to\\file<'), McpError);
assert.throws(() => normalizePath('D:/path/to/file>'), McpError);
assert.throws(() => normalizePath('E:\\test\\folder|'), McpError);
assert.throws(() => normalizePath('F:/test/folder?'), McpError);
assert.throws(() => normalizePath('G:\\test\\folder*'), McpError);
});
it('should handle UNC paths correctly', () => {
assert.strictEqual(normalizePath('\\\\server\\share\\path'), '//server/share/path');
assert.strictEqual(normalizePath('//server/share/path'), '//server/share/path');
assert.strictEqual(normalizePath('\\\\server\\share\\folder\\file'), '//server/share/folder/file');
});
it('should handle network drive paths', () => {
assert.strictEqual(normalizePath('Z:\\network\\drive'), 'Z:/network/drive');
assert.strictEqual(normalizePath('Y:/network/drive'), 'Y:/network/drive');
});
it('should preserve path separators in UNC paths', () => {
const result = normalizePath('\\\\server\\share\\path');
assert.strictEqual(result, '//server/share/path');
assert.notStrictEqual(result, path.resolve('//server/share/path'));
});
it('should preserve drive letters in Windows paths', () => {
const result = normalizePath('C:\\path\\to\\file');
assert.strictEqual(result, 'C:/path/to/file');
assert.notStrictEqual(result, path.resolve('C:/path/to/file'));
});
});
describe('macOS/Unix-specific tests', () => {
it('should handle absolute paths', () => {
assert.strictEqual(normalizePath('/path/to/file'), path.resolve('/path/to/file'));
});
it('should handle mixed forward/backward slashes', () => {
assert.strictEqual(normalizePath('path\\to\\file'), 'path/to/file');
});
it('should handle paths with colons in filenames', () => {
assert.strictEqual(normalizePath('/path/to/file:name'), path.resolve('/path/to/file:name'));
});
});
});
