import { describe, it, expect, beforeEach, vi } from 'vitest';
import { MockDebugAdapter, MockErrorScenario } from '../../../packages/adapter-mock/src/mock-debug-adapter.js';
import { AdapterState, DebugFeature, type AdapterDependencies } from '@debugmcp/shared';
const createDependencies = (): AdapterDependencies => ({
logger: {
info: vi.fn(),
warn: vi.fn(),
error: vi.fn(),
debug: vi.fn()
},
environment: {},
fileSystem: {} as unknown as AdapterDependencies['fileSystem'],
processLauncher: {} as unknown as AdapterDependencies['processLauncher'],
networkManager: {} as unknown as AdapterDependencies['networkManager']
});
describe('MockDebugAdapter behaviour', () => {
let adapter: MockDebugAdapter;
beforeEach(() => {
vi.clearAllMocks();
adapter = new MockDebugAdapter(createDependencies(), {
supportedFeatures: [DebugFeature.CONDITIONAL_BREAKPOINTS, DebugFeature.LOG_POINTS],
connectionDelay: 0
});
});
it('transitions through ready, connected and disconnected states', async () => {
await adapter.initialize();
expect(adapter.getState()).toBe(AdapterState.READY);
await adapter.connect('127.0.0.1', 9000);
expect(adapter.getState()).toBe(AdapterState.CONNECTED);
await adapter.disconnect();
expect(adapter.getState()).toBe(AdapterState.DISCONNECTED);
});
it('reports feature support based on configuration', () => {
expect(adapter.supportsFeature(DebugFeature.CONDITIONAL_BREAKPOINTS)).toBe(true);
expect(adapter.supportsFeature(DebugFeature.DATA_BREAKPOINTS)).toBe(false);
});
it('translates filesystem ENOENT errors into user-friendly messages', () => {
const message = adapter.translateErrorMessage(new Error('ENOENT: file missing'));
expect(message).toContain('Mock file not found');
});
it('surfaces configured error scenarios during connect', async () => {
adapter.setErrorScenario(MockErrorScenario.CONNECTION_TIMEOUT);
await expect(adapter.connect('127.0.0.1', 9100)).rejects.toThrow(/Connection timeout/);
});
});
