import assert from 'node:assert/strict';
import { it } from 'node:test';
import { createDetailedError, ErrorCode, McpError } from '../../lib/errors.js';
void it('createDetailedError classifies ENOENT messages as not found', () => {
const detailed = createDetailedError(
new Error('ENOENT: no such file or directory')
);
assert.strictEqual(detailed.code, ErrorCode.E_NOT_FOUND);
});
void it('createDetailedError classifies unknown message-only errors as unknown', () => {
const detailed = createDetailedError(new Error('Some random error'));
assert.strictEqual(detailed.code, ErrorCode.E_UNKNOWN);
});
void it('createDetailedError classifies string ENOENT errors as not found', () => {
const detailed = createDetailedError('ENOENT error');
assert.strictEqual(detailed.code, ErrorCode.E_NOT_FOUND);
});
void it('createDetailedError classifies non-Error objects as unknown', () => {
const detailed = createDetailedError({ message: 'permission denied' });
assert.strictEqual(detailed.code, ErrorCode.E_UNKNOWN);
});
void it('createDetailedError classifies EACCES as permission denied', () => {
const detailed = createDetailedError(
Object.assign(new Error('permission denied'), { code: 'EACCES' })
);
assert.strictEqual(detailed.code, ErrorCode.E_PERMISSION_DENIED);
});
void it('createDetailedError classifies EPERM as permission denied', () => {
const detailed = createDetailedError(
Object.assign(new Error('operation not permitted'), { code: 'EPERM' })
);
assert.strictEqual(detailed.code, ErrorCode.E_PERMISSION_DENIED);
});
void it('createDetailedError classifies EISDIR as not file', () => {
const detailed = createDetailedError(
Object.assign(new Error('is a directory'), { code: 'EISDIR' })
);
assert.strictEqual(detailed.code, ErrorCode.E_NOT_FILE);
});
void it('createDetailedError classifies ENOTDIR as not directory', () => {
const detailed = createDetailedError(
Object.assign(new Error('not a directory'), { code: 'ENOTDIR' })
);
assert.strictEqual(detailed.code, ErrorCode.E_NOT_DIRECTORY);
});
void it('createDetailedError classifies ELOOP as symlink not allowed', () => {
const detailed = createDetailedError(
Object.assign(new Error('too many symbolic links'), { code: 'ELOOP' })
);
assert.strictEqual(detailed.code, ErrorCode.E_SYMLINK_NOT_ALLOWED);
});
void it('createDetailedError classifies ETIMEDOUT as timeout', () => {
const detailed = createDetailedError(
Object.assign(new Error('operation timed out'), { code: 'ETIMEDOUT' })
);
assert.strictEqual(detailed.code, ErrorCode.E_TIMEOUT);
});
void it('createDetailedError uses McpError direct code', () => {
const detailed = createDetailedError(
new McpError(ErrorCode.E_TOO_LARGE, 'File too large', '/path/to/file')
);
assert.strictEqual(detailed.code, ErrorCode.E_TOO_LARGE);
});
