import { describe, it, expect, beforeEach, vi } from 'vitest';
import { JavascriptDebugAdapter } from '../../src/index.js';
// Minimal AdapterDependencies stub
const deps = {
logger: {
info: vi.fn(),
error: vi.fn(),
debug: vi.fn(),
warn: vi.fn()
}
} as unknown as import('@debugmcp/shared').AdapterDependencies;
describe('JavascriptDebugAdapter error helpers (edge cases)', () => {
let adapter: JavascriptDebugAdapter;
beforeEach(() => {
vi.restoreAllMocks();
vi.clearAllMocks();
adapter = new JavascriptDebugAdapter(deps);
});
it('translateErrorMessage: ENOENT and not found messages (case-insensitive) map to missing runtime message', () => {
const enoentLower = new Error('spawn node enoent');
const enoentUpper = new Error('SPAWN NODE ENOENT');
const notFoundMixed = new Error('Node not Found');
const m1 = adapter.translateErrorMessage(enoentLower);
const m2 = adapter.translateErrorMessage(enoentUpper);
const m3 = adapter.translateErrorMessage(notFoundMixed);
expect(m1).toMatch(/Node\.js runtime not found/i);
expect(m2).toMatch(/Node\.js runtime not found/i);
expect(m3).toMatch(/Node\.js runtime not found/i);
});
it('translateErrorMessage: EACCES/permission denied maps to permission text (case-insensitive)', () => {
const e1 = new Error('EACCES: permission denied');
const e2 = new Error('Permission Denied executing');
const m1 = adapter.translateErrorMessage(e1);
const m2 = adapter.translateErrorMessage(e2);
expect(m1).toMatch(/Permission denied/i);
expect(m2).toMatch(/Permission denied/i);
});
it("translateErrorMessage: 'Cannot find module' for ts-node/tsx yields install hint", () => {
const tsnode1 = new Error("Cannot find module 'ts-node'");
const tsx1 = new Error("Cannot find module 'tsx'");
for (const e of [tsnode1, tsx1]) {
const m = adapter.translateErrorMessage(e);
expect(m).toMatch(/Install tsx or ts-node/i);
}
});
it("translateErrorMessage: generic 'module not found' falls back to missing runtime message", () => {
const generic1 = new Error('ts-node Module not found');
const generic2 = new Error('tsx module NOT FOUND');
for (const e of [generic1, generic2]) {
const m = adapter.translateErrorMessage(e);
expect(m).toMatch(/Node\.js runtime not found/i);
}
});
it('translateErrorMessage: unrelated messages are passed through unchanged', () => {
const other = new Error('some other error');
expect(adapter.translateErrorMessage(other)).toBe('some other error');
});
it('getInstallationInstructions/getMissingExecutableError contain expected hints', () => {
const s = adapter.getInstallationInstructions();
expect(s).toMatch(/nodejs\.org/i);
expect(s).toMatch(/tsx/i);
expect(s).toMatch(/ts-node/i);
expect(s).toMatch(/tsconfig-paths/i);
const missing = adapter.getMissingExecutableError();
expect(missing).toMatch(/Node\.js runtime not found/i);
expect(missing).toMatch(/nodejs\.org/i);
expect(missing).toMatch(/PATH/i);
});
});
