test: add Phase 4 database integration tests (partial)
- Add comprehensive test utilities for database testing - Implement connection management tests for in-memory and file databases - Add transaction tests including nested transactions and savepoints - Test database lifecycle, error handling, and performance - Include tests for WAL mode, connection pooling, and constraints Part of Phase 4: Integration Testing
This commit is contained in:
czlonkowski
287
tests/mocks/n8n-api/handlers.ts
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287
tests/mocks/n8n-api/handlers.ts
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import { http, HttpResponse, RequestHandler } from 'msw';
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import { mockWorkflows } from './data/workflows';
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import { mockExecutions } from './data/executions';
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import { mockCredentials } from './data/credentials';
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// Base URL for n8n API (will be overridden by actual URL in tests)
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const API_BASE = process.env.N8N_API_URL || 'http://localhost:5678';
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/**
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* Default handlers for n8n API endpoints
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* These can be overridden in specific tests using server.use()
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*/
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export const handlers: RequestHandler[] = [
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// Health check endpoint
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http.get('*/api/v1/health', () => {
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return HttpResponse.json({
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status: 'ok',
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version: '1.103.2',
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features: {
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workflows: true,
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executions: true,
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credentials: true,
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webhooks: true,
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}
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});
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}),
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// Workflow endpoints
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http.get('*/api/v1/workflows', ({ request }) => {
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const url = new URL(request.url);
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const limit = parseInt(url.searchParams.get('limit') || '100');
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const cursor = url.searchParams.get('cursor');
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const active = url.searchParams.get('active');
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let filtered = mockWorkflows;
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// Filter by active status if provided
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if (active !== null) {
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filtered = filtered.filter(w => w.active === (active === 'true'));
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}
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// Simple pagination simulation
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const startIndex = cursor ? parseInt(cursor) : 0;
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const paginatedData = filtered.slice(startIndex, startIndex + limit);
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const hasMore = startIndex + limit < filtered.length;
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const nextCursor = hasMore ? String(startIndex + limit) : null;
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return HttpResponse.json({
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data: paginatedData,
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nextCursor,
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hasMore
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});
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}),
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http.get('*/api/v1/workflows/:id', ({ params }) => {
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const workflow = mockWorkflows.find(w => w.id === params.id);
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if (!workflow) {
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return HttpResponse.json(
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{ message: 'Workflow not found', code: 'NOT_FOUND' },
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{ status: 404 }
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);
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}
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return HttpResponse.json({ data: workflow });
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}),
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http.post('*/api/v1/workflows', async ({ request }) => {
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const body = await request.json() as any;
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// Validate required fields
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if (!body.name || !body.nodes || !body.connections) {
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return HttpResponse.json(
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{
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message: 'Validation failed',
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errors: {
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name: !body.name ? 'Name is required' : undefined,
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nodes: !body.nodes ? 'Nodes are required' : undefined,
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connections: !body.connections ? 'Connections are required' : undefined,
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},
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code: 'VALIDATION_ERROR'
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},
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{ status: 400 }
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);
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}
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const newWorkflow = {
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id: `workflow_${Date.now()}`,
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name: body.name,
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active: body.active || false,
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nodes: body.nodes,
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connections: body.connections,
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settings: body.settings || {},
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tags: body.tags || [],
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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versionId: '1'
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};
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mockWorkflows.push(newWorkflow);
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return HttpResponse.json({ data: newWorkflow }, { status: 201 });
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}),
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http.patch('*/api/v1/workflows/:id', async ({ params, request }) => {
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const workflowIndex = mockWorkflows.findIndex(w => w.id === params.id);
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if (workflowIndex === -1) {
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return HttpResponse.json(
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{ message: 'Workflow not found', code: 'NOT_FOUND' },
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{ status: 404 }
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);
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}
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const body = await request.json() as any;
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const updatedWorkflow = {
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...mockWorkflows[workflowIndex],
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...body,
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id: params.id, // Ensure ID doesn't change
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updatedAt: new Date().toISOString(),
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versionId: String(parseInt(mockWorkflows[workflowIndex].versionId) + 1)
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};
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mockWorkflows[workflowIndex] = updatedWorkflow;
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return HttpResponse.json({ data: updatedWorkflow });
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}),
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http.delete('*/api/v1/workflows/:id', ({ params }) => {
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const workflowIndex = mockWorkflows.findIndex(w => w.id === params.id);
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if (workflowIndex === -1) {
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return HttpResponse.json(
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{ message: 'Workflow not found', code: 'NOT_FOUND' },
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{ status: 404 }
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);
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}
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mockWorkflows.splice(workflowIndex, 1);
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return HttpResponse.json({ success: true });
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}),
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// Execution endpoints
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http.get('*/api/v1/executions', ({ request }) => {
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const url = new URL(request.url);
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const limit = parseInt(url.searchParams.get('limit') || '100');
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const cursor = url.searchParams.get('cursor');
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const workflowId = url.searchParams.get('workflowId');
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const status = url.searchParams.get('status');
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let filtered = mockExecutions;
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// Filter by workflow ID if provided
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if (workflowId) {
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filtered = filtered.filter(e => e.workflowId === workflowId);
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}
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// Filter by status if provided
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if (status) {
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filtered = filtered.filter(e => e.status === status);
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}
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// Simple pagination simulation
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const startIndex = cursor ? parseInt(cursor) : 0;
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const paginatedData = filtered.slice(startIndex, startIndex + limit);
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const hasMore = startIndex + limit < filtered.length;
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const nextCursor = hasMore ? String(startIndex + limit) : null;
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return HttpResponse.json({
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data: paginatedData,
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nextCursor,
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hasMore
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});
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}),
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http.get('*/api/v1/executions/:id', ({ params }) => {
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const execution = mockExecutions.find(e => e.id === params.id);
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if (!execution) {
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return HttpResponse.json(
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{ message: 'Execution not found', code: 'NOT_FOUND' },
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{ status: 404 }
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);
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}
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return HttpResponse.json({ data: execution });
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}),
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http.delete('*/api/v1/executions/:id', ({ params }) => {
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const executionIndex = mockExecutions.findIndex(e => e.id === params.id);
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if (executionIndex === -1) {
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return HttpResponse.json(
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{ message: 'Execution not found', code: 'NOT_FOUND' },
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{ status: 404 }
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);
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}
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mockExecutions.splice(executionIndex, 1);
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return HttpResponse.json({ success: true });
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}),
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// Webhook endpoints (dynamic handling)
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http.all('*/webhook/*', async ({ request }) => {
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const url = new URL(request.url);
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const method = request.method;
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const body = request.body ? await request.json() : undefined;
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// Log webhook trigger in debug mode
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if (process.env.MSW_DEBUG === 'true') {
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console.log('[MSW] Webhook triggered:', {
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url: url.pathname,
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method,
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body
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});
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}
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// Return success response by default
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return HttpResponse.json({
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success: true,
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webhookUrl: url.pathname,
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method,
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timestamp: new Date().toISOString(),
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data: body
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});
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}),
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// Catch-all for unhandled API routes (helps identify missing handlers)
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http.all('*/api/*', ({ request }) => {
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console.warn('[MSW] Unhandled API request:', request.method, request.url);
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return HttpResponse.json(
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{
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message: 'Not implemented in mock',
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code: 'NOT_IMPLEMENTED',
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path: new URL(request.url).pathname,
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method: request.method
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},
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{ status: 501 }
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);
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}),
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];
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/**
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* Dynamic handler registration helpers
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*/
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export const dynamicHandlers = {
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/**
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* Add a workflow that will be returned by GET requests
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*/
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addWorkflow: (workflow: any) => {
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mockWorkflows.push(workflow);
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},
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/**
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* Clear all mock workflows
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*/
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clearWorkflows: () => {
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mockWorkflows.length = 0;
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},
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/**
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* Add an execution that will be returned by GET requests
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*/
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addExecution: (execution: any) => {
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mockExecutions.push(execution);
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},
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/**
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* Clear all mock executions
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*/
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clearExecutions: () => {
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mockExecutions.length = 0;
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},
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/**
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* Reset all mock data to initial state
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*/
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resetAll: () => {
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// Reset arrays to initial state (implementation depends on data modules)
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mockWorkflows.length = 0;
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mockExecutions.length = 0;
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mockCredentials.length = 0;
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}
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};
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