Files
n8n-mcp/tests/unit/mcp/handlers-n8n-manager.test.ts

1094 lines
32 KiB
TypeScript

import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import {
handleCreateWorkflow,
handleGetWorkflow,
handleGetWorkflowDetails,
handleGetWorkflowStructure,
handleGetWorkflowMinimal,
handleUpdateWorkflow,
handleDeleteWorkflow,
handleListWorkflows,
handleValidateWorkflow,
handleTriggerWebhookWorkflow,
handleGetExecution,
handleListExecutions,
handleDeleteExecution,
handleHealthCheck,
handleListAvailableTools,
handleDiagnostic,
getN8nApiClient,
} from '@/mcp/handlers-n8n-manager';
import { N8nApiClient } from '@/services/n8n-api-client';
import { WorkflowValidator } from '@/services/workflow-validator';
import { NodeRepository } from '@/database/node-repository';
import {
N8nApiError,
N8nAuthenticationError,
N8nNotFoundError,
N8nValidationError,
N8nRateLimitError,
N8nServerError,
} from '@/utils/n8n-errors';
import { ExecutionStatus } from '@/types/n8n-api';
import { z } from 'zod';
// Mock all dependencies
vi.mock('@/services/n8n-api-client');
vi.mock('@/services/workflow-validator');
vi.mock('@/database/node-repository');
vi.mock('@/config/n8n-api');
vi.mock('@/services/n8n-validation');
vi.mock('@/utils/logger');
// Import mocked modules
import { getN8nApiConfig } from '@/config/n8n-api';
import * as n8nValidation from '@/services/n8n-validation';
import { logger } from '@/utils/logger';
describe('handlers-n8n-manager', () => {
let mockApiClient: any;
let mockRepository: any;
let mockValidator: any;
// Helper function to create test data
const createTestWorkflow = (overrides = {}) => ({
id: 'test-workflow-id',
name: 'Test Workflow',
active: true,
nodes: [
{
id: 'node1',
name: 'Start',
type: 'n8n-nodes-base.start',
typeVersion: 1,
position: [100, 100],
parameters: {},
},
],
connections: {},
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
tags: [],
settings: {},
...overrides,
});
const createTestExecution = (overrides = {}) => ({
id: 'exec-123',
workflowId: 'test-workflow-id',
status: ExecutionStatus.SUCCESS,
startedAt: '2024-01-01T00:00:00Z',
stoppedAt: '2024-01-01T00:01:00Z',
...overrides,
});
beforeEach(() => {
vi.clearAllMocks();
// Setup mock API client
mockApiClient = {
createWorkflow: vi.fn(),
getWorkflow: vi.fn(),
updateWorkflow: vi.fn(),
deleteWorkflow: vi.fn(),
listWorkflows: vi.fn(),
triggerWebhook: vi.fn(),
getExecution: vi.fn(),
listExecutions: vi.fn(),
deleteExecution: vi.fn(),
healthCheck: vi.fn(),
};
// Setup mock repository
mockRepository = {
getNodeByType: vi.fn(),
getAllNodes: vi.fn(),
};
// Setup mock validator
mockValidator = {
validateWorkflow: vi.fn(),
};
// Mock the API config
vi.mocked(getN8nApiConfig).mockReturnValue({
baseUrl: 'https://n8n.test.com',
apiKey: 'test-key',
timeout: 30000,
maxRetries: 3,
});
// Mock validation functions
vi.mocked(n8nValidation.validateWorkflowStructure).mockReturnValue([]);
vi.mocked(n8nValidation.hasWebhookTrigger).mockReturnValue(false);
vi.mocked(n8nValidation.getWebhookUrl).mockReturnValue(null);
// Mock the N8nApiClient constructor
vi.mocked(N8nApiClient).mockImplementation(() => mockApiClient);
// Mock WorkflowValidator constructor
vi.mocked(WorkflowValidator).mockImplementation(() => mockValidator);
// Mock NodeRepository constructor
vi.mocked(NodeRepository).mockImplementation(() => mockRepository);
});
afterEach(() => {
// Clear the singleton API client
const handler = require('../../../src/mcp/handlers-n8n-manager');
handler.apiClient = null;
handler.lastConfigUrl = null;
});
describe('getN8nApiClient', () => {
it('should create new client when config is available', () => {
const client = getN8nApiClient();
expect(client).toBe(mockApiClient);
expect(N8nApiClient).toHaveBeenCalledWith({
baseUrl: 'https://n8n.test.com',
apiKey: 'test-key',
timeout: 30000,
maxRetries: 3,
});
});
it('should return null when config is not available', () => {
vi.mocked(getN8nApiConfig).mockReturnValue(null);
const client = getN8nApiClient();
expect(client).toBeNull();
});
it('should reuse existing client when config has not changed', () => {
const client1 = getN8nApiClient();
const client2 = getN8nApiClient();
expect(client1).toBe(client2);
expect(N8nApiClient).toHaveBeenCalledTimes(1);
});
it('should create new client when config URL changes', () => {
const client1 = getN8nApiClient();
vi.mocked(getN8nApiConfig).mockReturnValue({
baseUrl: 'https://different.test.com',
apiKey: 'test-key',
timeout: 30000,
maxRetries: 3,
});
const client2 = getN8nApiClient();
expect(N8nApiClient).toHaveBeenCalledTimes(2);
});
});
describe('handleCreateWorkflow', () => {
it('should create workflow successfully', async () => {
const testWorkflow = createTestWorkflow();
const input = {
name: 'Test Workflow',
nodes: testWorkflow.nodes,
connections: testWorkflow.connections,
};
mockApiClient.createWorkflow.mockResolvedValue(testWorkflow);
const result = await handleCreateWorkflow(input);
expect(result).toEqual({
success: true,
data: testWorkflow,
message: 'Workflow "Test Workflow" created successfully with ID: test-workflow-id',
});
expect(mockApiClient.createWorkflow).toHaveBeenCalledWith(input);
expect(n8nValidation.validateWorkflowStructure).toHaveBeenCalledWith(input);
});
it('should handle validation errors', async () => {
const input = { invalid: 'data' };
const result = await handleCreateWorkflow(input);
expect(result.success).toBe(false);
expect(result.error).toBe('Invalid input');
expect(result.details).toHaveProperty('errors');
});
it('should handle workflow structure validation failures', async () => {
const input = {
name: 'Test Workflow',
nodes: [],
connections: {},
};
vi.mocked(n8nValidation.validateWorkflowStructure).mockReturnValue([
'Workflow must have at least one node',
]);
const result = await handleCreateWorkflow(input);
expect(result).toEqual({
success: false,
error: 'Workflow validation failed',
details: { errors: ['Workflow must have at least one node'] },
});
});
it('should handle API errors', async () => {
const input = {
name: 'Test Workflow',
nodes: [{ id: 'node1', name: 'Start', type: 'n8n-nodes-base.start' }],
connections: {},
};
const apiError = new N8nValidationError('Invalid workflow data', {
field: 'nodes',
message: 'Node configuration invalid',
});
mockApiClient.createWorkflow.mockRejectedValue(apiError);
const result = await handleCreateWorkflow(input);
expect(result).toEqual({
success: false,
error: 'Invalid workflow data',
code: 'VALIDATION_ERROR',
details: { field: 'nodes', message: 'Node configuration invalid' },
});
});
it('should handle API not configured error', async () => {
vi.mocked(getN8nApiConfig).mockReturnValue(null);
const result = await handleCreateWorkflow({ name: 'Test', nodes: [], connections: {} });
expect(result).toEqual({
success: false,
error: 'n8n API not configured. Please set N8N_API_URL and N8N_API_KEY environment variables.',
});
});
});
describe('handleGetWorkflow', () => {
it('should get workflow successfully', async () => {
const testWorkflow = createTestWorkflow();
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
const result = await handleGetWorkflow({ id: 'test-workflow-id' });
expect(result).toEqual({
success: true,
data: testWorkflow,
});
expect(mockApiClient.getWorkflow).toHaveBeenCalledWith('test-workflow-id');
});
it('should handle not found error', async () => {
const notFoundError = new N8nNotFoundError('Workflow not found');
mockApiClient.getWorkflow.mockRejectedValue(notFoundError);
const result = await handleGetWorkflow({ id: 'non-existent' });
expect(result).toEqual({
success: false,
error: 'Workflow not found',
code: 'NOT_FOUND',
});
});
it('should handle invalid input', async () => {
const result = await handleGetWorkflow({ notId: 'test' });
expect(result.success).toBe(false);
expect(result.error).toBe('Invalid input');
});
});
describe('handleGetWorkflowDetails', () => {
it('should get workflow details with execution stats', async () => {
const testWorkflow = createTestWorkflow();
const testExecutions = [
createTestExecution({ status: ExecutionStatus.SUCCESS }),
createTestExecution({ status: ExecutionStatus.ERROR }),
createTestExecution({ status: ExecutionStatus.SUCCESS }),
];
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
mockApiClient.listExecutions.mockResolvedValue({
data: testExecutions,
nextCursor: null,
});
const result = await handleGetWorkflowDetails({ id: 'test-workflow-id' });
expect(result).toEqual({
success: true,
data: {
workflow: testWorkflow,
executionStats: {
totalExecutions: 3,
successCount: 2,
errorCount: 1,
lastExecutionTime: '2024-01-01T00:00:00Z',
},
hasWebhookTrigger: false,
webhookPath: null,
},
});
});
it('should handle workflow with webhook trigger', async () => {
const testWorkflow = createTestWorkflow({
nodes: [
{
id: 'webhook1',
name: 'Webhook',
type: 'n8n-nodes-base.webhook',
typeVersion: 1,
position: [100, 100],
parameters: { path: 'test-webhook' },
},
],
});
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
mockApiClient.listExecutions.mockResolvedValue({ data: [], nextCursor: null });
vi.mocked(n8nValidation.hasWebhookTrigger).mockReturnValue(true);
vi.mocked(n8nValidation.getWebhookUrl).mockReturnValue('/webhook/test-webhook');
const result = await handleGetWorkflowDetails({ id: 'test-workflow-id' });
expect(result.success).toBe(true);
expect(result.data).toHaveProperty('hasWebhookTrigger', true);
expect(result.data).toHaveProperty('webhookPath', '/webhook/test-webhook');
});
});
describe('handleGetWorkflowStructure', () => {
it('should return simplified workflow structure', async () => {
const testWorkflow = createTestWorkflow({
nodes: [
{
id: 'node1',
name: 'Start',
type: 'n8n-nodes-base.start',
typeVersion: 1,
position: [100, 100],
parameters: { complex: 'data' },
disabled: false,
},
{
id: 'node2',
name: 'HTTP Request',
type: 'n8n-nodes-base.httpRequest',
typeVersion: 3,
position: [300, 100],
parameters: { url: 'https://api.test.com' },
disabled: true,
},
],
connections: {
node1: {
main: [[{ node: 'node2', type: 'main', index: 0 }]],
},
},
});
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
const result = await handleGetWorkflowStructure({ id: 'test-workflow-id' });
expect(result).toEqual({
success: true,
data: {
id: 'test-workflow-id',
name: 'Test Workflow',
active: true,
nodes: [
{
id: 'node1',
name: 'Start',
type: 'n8n-nodes-base.start',
position: [100, 100],
disabled: false,
},
{
id: 'node2',
name: 'HTTP Request',
type: 'n8n-nodes-base.httpRequest',
position: [300, 100],
disabled: true,
},
],
connections: testWorkflow.connections,
nodeCount: 2,
connectionCount: 1,
},
});
});
});
describe('handleGetWorkflowMinimal', () => {
it('should return minimal workflow info', async () => {
const testWorkflow = createTestWorkflow({
tags: ['automation', 'test'],
});
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
const result = await handleGetWorkflowMinimal({ id: 'test-workflow-id' });
expect(result).toEqual({
success: true,
data: {
id: 'test-workflow-id',
name: 'Test Workflow',
active: true,
tags: ['automation', 'test'],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
},
});
});
});
describe('handleUpdateWorkflow', () => {
it('should update workflow successfully', async () => {
const existingWorkflow = createTestWorkflow();
const updatedWorkflow = { ...existingWorkflow, name: 'Updated Workflow' };
mockApiClient.getWorkflow.mockResolvedValue(existingWorkflow);
mockApiClient.updateWorkflow.mockResolvedValue(updatedWorkflow);
const result = await handleUpdateWorkflow({
id: 'test-workflow-id',
name: 'Updated Workflow',
});
expect(result).toEqual({
success: true,
data: updatedWorkflow,
message: 'Workflow "Updated Workflow" updated successfully',
});
expect(mockApiClient.updateWorkflow).toHaveBeenCalledWith('test-workflow-id', {
name: 'Updated Workflow',
});
});
it('should validate structure when updating nodes/connections', async () => {
const existingWorkflow = createTestWorkflow();
const newNodes = [
{
id: 'node1',
name: 'New Start',
type: 'n8n-nodes-base.start',
typeVersion: 1,
position: [100, 100],
parameters: {},
},
];
mockApiClient.getWorkflow.mockResolvedValue(existingWorkflow);
mockApiClient.updateWorkflow.mockResolvedValue({
...existingWorkflow,
nodes: newNodes,
});
const result = await handleUpdateWorkflow({
id: 'test-workflow-id',
nodes: newNodes,
connections: {},
});
expect(result.success).toBe(true);
expect(n8nValidation.validateWorkflowStructure).toHaveBeenCalledWith({
nodes: newNodes,
connections: {},
});
});
it('should handle partial updates with fetching current workflow', async () => {
const existingWorkflow = createTestWorkflow();
const newNodes = [{ id: 'new-node', name: 'New Node' }];
mockApiClient.getWorkflow.mockResolvedValue(existingWorkflow);
mockApiClient.updateWorkflow.mockResolvedValue({
...existingWorkflow,
nodes: newNodes,
});
const result = await handleUpdateWorkflow({
id: 'test-workflow-id',
nodes: newNodes,
});
expect(result.success).toBe(true);
expect(mockApiClient.getWorkflow).toHaveBeenCalledWith('test-workflow-id');
expect(n8nValidation.validateWorkflowStructure).toHaveBeenCalledWith({
...existingWorkflow,
nodes: newNodes,
});
});
it('should handle validation failures', async () => {
vi.mocked(n8nValidation.validateWorkflowStructure).mockReturnValue([
'Invalid node configuration',
]);
const result = await handleUpdateWorkflow({
id: 'test-workflow-id',
nodes: [],
connections: {},
});
expect(result).toEqual({
success: false,
error: 'Workflow validation failed',
details: { errors: ['Invalid node configuration'] },
});
});
});
describe('handleDeleteWorkflow', () => {
it('should delete workflow successfully', async () => {
mockApiClient.deleteWorkflow.mockResolvedValue(undefined);
const result = await handleDeleteWorkflow({ id: 'test-workflow-id' });
expect(result).toEqual({
success: true,
message: 'Workflow test-workflow-id deleted successfully',
});
expect(mockApiClient.deleteWorkflow).toHaveBeenCalledWith('test-workflow-id');
});
it('should handle not found error', async () => {
const notFoundError = new N8nNotFoundError('Workflow not found');
mockApiClient.deleteWorkflow.mockRejectedValue(notFoundError);
const result = await handleDeleteWorkflow({ id: 'non-existent' });
expect(result).toEqual({
success: false,
error: 'Workflow not found',
code: 'NOT_FOUND',
});
});
});
describe('handleListWorkflows', () => {
it('should list workflows with minimal data', async () => {
const workflows = [
createTestWorkflow({ id: 'wf1', name: 'Workflow 1', nodes: [{}, {}] }),
createTestWorkflow({ id: 'wf2', name: 'Workflow 2', active: false, nodes: [{}, {}, {}] }),
];
mockApiClient.listWorkflows.mockResolvedValue({
data: workflows,
nextCursor: 'next-page-cursor',
});
const result = await handleListWorkflows({
limit: 50,
active: true,
});
expect(result).toEqual({
success: true,
data: {
workflows: [
{
id: 'wf1',
name: 'Workflow 1',
active: true,
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
tags: [],
nodeCount: 2,
},
{
id: 'wf2',
name: 'Workflow 2',
active: false,
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
tags: [],
nodeCount: 3,
},
],
returned: 2,
nextCursor: 'next-page-cursor',
hasMore: true,
_note: 'More workflows available. Use cursor to get next page.',
},
});
});
it('should handle empty workflow list', async () => {
mockApiClient.listWorkflows.mockResolvedValue({
data: [],
nextCursor: null,
});
const result = await handleListWorkflows({});
expect(result.success).toBe(true);
expect(result.data.workflows).toHaveLength(0);
expect(result.data.hasMore).toBe(false);
expect(result.data._note).toBeUndefined();
});
it('should use default values for optional parameters', async () => {
mockApiClient.listWorkflows.mockResolvedValue({
data: [],
nextCursor: null,
});
await handleListWorkflows({});
expect(mockApiClient.listWorkflows).toHaveBeenCalledWith({
limit: 100,
cursor: undefined,
active: undefined,
tags: undefined,
projectId: undefined,
excludePinnedData: true,
});
});
});
describe('handleValidateWorkflow', () => {
it('should validate workflow from n8n instance', async () => {
const testWorkflow = createTestWorkflow();
const mockNodeRepository = new NodeRepository(':memory:');
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
mockValidator.validateWorkflow.mockResolvedValue({
valid: true,
errors: [],
warnings: [
{
nodeName: 'node1',
message: 'Consider using newer version',
details: { currentVersion: 1, latestVersion: 2 },
},
],
suggestions: ['Add error handling to workflow'],
statistics: {
totalNodes: 1,
enabledNodes: 1,
triggerNodes: 1,
validConnections: 0,
invalidConnections: 0,
expressionsValidated: 0,
},
});
const result = await handleValidateWorkflow(
{ id: 'test-workflow-id', options: { validateNodes: true } },
mockNodeRepository
);
expect(result).toEqual({
success: true,
data: {
valid: true,
workflowId: 'test-workflow-id',
workflowName: 'Test Workflow',
summary: {
totalNodes: 1,
enabledNodes: 1,
triggerNodes: 1,
validConnections: 0,
invalidConnections: 0,
expressionsValidated: 0,
errorCount: 0,
warningCount: 1,
},
warnings: [
{
node: 'node1',
message: 'Consider using newer version',
details: { currentVersion: 1, latestVersion: 2 },
},
],
suggestions: ['Add error handling to workflow'],
},
});
});
it('should handle workflow fetch errors', async () => {
const notFoundError = new N8nNotFoundError('Workflow not found');
mockApiClient.getWorkflow.mockRejectedValue(notFoundError);
const result = await handleValidateWorkflow(
{ id: 'non-existent' },
new NodeRepository(':memory:')
);
expect(result).toEqual({
success: false,
error: 'Workflow not found',
code: 'NOT_FOUND',
});
});
it('should handle validation with errors', async () => {
const testWorkflow = createTestWorkflow();
mockApiClient.getWorkflow.mockResolvedValue(testWorkflow);
mockValidator.validateWorkflow.mockResolvedValue({
valid: false,
errors: [
{
nodeName: 'node1',
message: 'Invalid node configuration',
details: { field: 'parameters.url' },
},
],
warnings: [],
suggestions: [],
statistics: {
totalNodes: 1,
enabledNodes: 1,
triggerNodes: 0,
validConnections: 0,
invalidConnections: 0,
expressionsValidated: 0,
},
});
const result = await handleValidateWorkflow(
{ id: 'test-workflow-id' },
new NodeRepository(':memory:')
);
expect(result.success).toBe(true);
expect(result.data.valid).toBe(false);
expect(result.data.errors).toHaveLength(1);
});
});
describe('handleTriggerWebhookWorkflow', () => {
it('should trigger webhook successfully', async () => {
const webhookResponse = { executionId: 'exec-123', status: 'success' };
mockApiClient.triggerWebhook.mockResolvedValue(webhookResponse);
const result = await handleTriggerWebhookWorkflow({
webhookUrl: 'https://n8n.test.com/webhook/test-webhook',
httpMethod: 'POST',
data: { test: 'data' },
});
expect(result).toEqual({
success: true,
data: webhookResponse,
message: 'Webhook triggered successfully',
});
expect(mockApiClient.triggerWebhook).toHaveBeenCalledWith({
webhookUrl: 'https://n8n.test.com/webhook/test-webhook',
httpMethod: 'POST',
data: { test: 'data' },
headers: undefined,
waitForResponse: true,
});
});
it('should use default values', async () => {
mockApiClient.triggerWebhook.mockResolvedValue({});
await handleTriggerWebhookWorkflow({
webhookUrl: 'https://n8n.test.com/webhook/test',
});
expect(mockApiClient.triggerWebhook).toHaveBeenCalledWith({
webhookUrl: 'https://n8n.test.com/webhook/test',
httpMethod: 'POST',
data: undefined,
headers: undefined,
waitForResponse: true,
});
});
it('should handle invalid URL', async () => {
const result = await handleTriggerWebhookWorkflow({
webhookUrl: 'not-a-valid-url',
});
expect(result.success).toBe(false);
expect(result.error).toBe('Invalid input');
});
});
describe('handleGetExecution', () => {
it('should get execution successfully', async () => {
const testExecution = createTestExecution();
mockApiClient.getExecution.mockResolvedValue(testExecution);
const result = await handleGetExecution({
id: 'exec-123',
includeData: true,
});
expect(result).toEqual({
success: true,
data: testExecution,
});
expect(mockApiClient.getExecution).toHaveBeenCalledWith('exec-123', true);
});
it('should default includeData to false', async () => {
mockApiClient.getExecution.mockResolvedValue({});
await handleGetExecution({ id: 'exec-123' });
expect(mockApiClient.getExecution).toHaveBeenCalledWith('exec-123', false);
});
});
describe('handleListExecutions', () => {
it('should list executions with filters', async () => {
const executions = [
createTestExecution({ id: 'exec-1' }),
createTestExecution({ id: 'exec-2', status: ExecutionStatus.ERROR }),
];
mockApiClient.listExecutions.mockResolvedValue({
data: executions,
nextCursor: null,
});
const result = await handleListExecutions({
workflowId: 'test-workflow-id',
status: 'success',
limit: 50,
});
expect(result).toEqual({
success: true,
data: {
executions,
returned: 2,
nextCursor: null,
hasMore: false,
},
});
expect(mockApiClient.listExecutions).toHaveBeenCalledWith({
limit: 50,
cursor: undefined,
workflowId: 'test-workflow-id',
projectId: undefined,
status: ExecutionStatus.SUCCESS,
includeData: false,
});
});
it('should handle pagination', async () => {
mockApiClient.listExecutions.mockResolvedValue({
data: [createTestExecution()],
nextCursor: 'next-page',
});
const result = await handleListExecutions({});
expect(result.data.hasMore).toBe(true);
expect(result.data._note).toBe('More executions available. Use cursor to get next page.');
});
});
describe('handleDeleteExecution', () => {
it('should delete execution successfully', async () => {
mockApiClient.deleteExecution.mockResolvedValue(undefined);
const result = await handleDeleteExecution({ id: 'exec-123' });
expect(result).toEqual({
success: true,
message: 'Execution exec-123 deleted successfully',
});
expect(mockApiClient.deleteExecution).toHaveBeenCalledWith('exec-123');
});
});
describe('handleHealthCheck', () => {
it('should check health successfully', async () => {
const healthData = {
status: 'ok',
instanceId: 'n8n-instance-123',
n8nVersion: '1.0.0',
features: ['webhooks', 'api'],
};
mockApiClient.healthCheck.mockResolvedValue(healthData);
const result = await handleHealthCheck();
expect(result.success).toBe(true);
expect(result.data).toMatchObject({
status: 'ok',
instanceId: 'n8n-instance-123',
n8nVersion: '1.0.0',
features: ['webhooks', 'api'],
apiUrl: 'https://n8n.test.com',
});
});
it('should handle API errors', async () => {
const apiError = new N8nServerError('Service unavailable');
mockApiClient.healthCheck.mockRejectedValue(apiError);
const result = await handleHealthCheck();
expect(result).toEqual({
success: false,
error: 'Service unavailable',
code: 'SERVER_ERROR',
details: {
apiUrl: 'https://n8n.test.com',
hint: 'Check if n8n is running and API is enabled',
},
});
});
});
describe('handleListAvailableTools', () => {
it('should list all available tools when API is configured', async () => {
const result = await handleListAvailableTools();
expect(result.success).toBe(true);
expect(result.data.apiConfigured).toBe(true);
expect(result.data.tools).toHaveLength(3); // 3 categories
expect(result.data.configuration).toEqual({
apiUrl: 'https://n8n.test.com',
timeout: 30000,
maxRetries: 3,
});
});
it('should indicate when API is not configured', async () => {
vi.mocked(getN8nApiConfig).mockReturnValue(null);
const result = await handleListAvailableTools();
expect(result.success).toBe(true);
expect(result.data.apiConfigured).toBe(false);
expect(result.data.configuration).toBeNull();
});
});
describe('handleDiagnostic', () => {
it('should provide diagnostic information', async () => {
const healthData = {
status: 'ok',
n8nVersion: '1.0.0',
};
mockApiClient.healthCheck.mockResolvedValue(healthData);
const result = await handlers.handleDiagnostic({ params: { arguments: {} } });
expect(result.success).toBe(true);
expect(result.data).toMatchObject({
environment: {
N8N_API_URL: 'https://n8n.test.com',
N8N_API_KEY: '***configured***',
},
apiConfiguration: {
configured: true,
status: {
configured: true,
connected: true,
version: '1.0.0',
},
},
toolsAvailability: {
documentationTools: {
count: 22,
enabled: true,
},
managementTools: {
count: 16,
enabled: true,
},
totalAvailable: 38,
},
});
});
it('should handle verbose mode', async () => {
mockApiClient.healthCheck.mockResolvedValue({ status: 'ok' });
const result = await handleDiagnostic({
params: { arguments: { verbose: true } },
});
expect(result.success).toBe(true);
expect(result.data).toHaveProperty('debug');
expect(result.data.debug).toHaveProperty('nodeVersion');
expect(result.data.debug).toHaveProperty('platform');
});
it('should show troubleshooting steps when API is not configured', async () => {
vi.mocked(getN8nApiConfig).mockReturnValue(null);
const result = await handlers.handleDiagnostic({ params: { arguments: {} } });
expect(result.success).toBe(true);
expect(result.data.apiConfiguration.configured).toBe(false);
expect(result.data.toolsAvailability.managementTools.enabled).toBe(false);
expect(result.data.troubleshooting.steps[0]).toContain('To enable management tools');
});
it('should handle API connectivity errors', async () => {
const error = new Error('Connection refused');
mockApiClient.healthCheck.mockRejectedValue(error);
const result = await handlers.handleDiagnostic({ params: { arguments: {} } });
expect(result.success).toBe(true);
expect(result.data.apiConfiguration.status.connected).toBe(false);
expect(result.data.apiConfiguration.status.error).toBe('Connection refused');
});
});
describe('Error handling', () => {
it('should handle authentication errors', async () => {
const authError = new N8nAuthenticationError('Invalid API key');
mockApiClient.getWorkflow.mockRejectedValue(authError);
const result = await handleGetWorkflow({ id: 'test-id' });
expect(result).toEqual({
success: false,
error: 'Invalid API key',
code: 'AUTHENTICATION_ERROR',
});
});
it('should handle rate limit errors', async () => {
const rateLimitError = new N8nRateLimitError('Too many requests', 60);
mockApiClient.listWorkflows.mockRejectedValue(rateLimitError);
const result = await handleListWorkflows({});
expect(result).toEqual({
success: false,
error: 'Too many requests',
code: 'RATE_LIMIT_ERROR',
});
});
it('should handle generic errors', async () => {
const genericError = new Error('Something went wrong');
mockApiClient.createWorkflow.mockRejectedValue(genericError);
const result = await handleCreateWorkflow({
name: 'Test',
nodes: [],
connections: {},
});
expect(result).toEqual({
success: false,
error: 'Something went wrong',
});
});
});
});