chore: export csv with human-readable labels (#325)

backend/routes/cases/download.test.js

@@ -0,0 +1,149 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import request from 'supertest';
+import express from 'express';
+import { Sequelize } from 'sequelize';
+import casesDownloadRoute from './download.js';
+
+// mock papaparse
+vi.mock('papaparse', () => ({
+  default: {
+    unparse: vi.fn((data) => {
+      // Simple CSV generation for testing
+      if (data.length === 0) return '';
+      const headers = Object.keys(data[0]);
+      const rows = data.map((row) => headers.map((h) => `"${row[h]}"`).join(','));
+      return [headers.join(','), ...rows].join('\n');
+    }),
+  },
+}));
+
+// mock of authentication middleware
+vi.mock('../../middleware/auth.js', () => ({
+  default: () => ({
+    verifySignedIn: vi.fn((req, res, next) => {
+      req.userId = 1;
+      next();
+    }),
+  }),
+}));
+vi.mock('../../middleware/verifyVisible.js', () => ({
+  default: () => ({
+    verifyProjectVisibleFromFolderId: vi.fn((req, res, next) => {
+      next();
+    }),
+  }),
+}));
+
+// mock defineCase
+const mockCase = {
+  findAll: vi.fn(),
+};
+vi.mock('../../models/cases.js', () => ({
+  default: () => mockCase,
+}));
+
+describe('GET /download with type=csv', () => {
+  let app;
+  const sequelize = new Sequelize({
+    dialect: 'sqlite',
+    logging: false,
+  });
+
+  beforeEach(() => {
+    app = express();
+    app.use(express.json());
+    app.use('/', casesDownloadRoute(sequelize));
+    vi.clearAllMocks();
+  });
+
+  it('should return CSV with human-readable labels for state, priority, type, automationStatus, and template', async () => {
+    mockCase.findAll.mockResolvedValue([
+      {
+        id: 1,
+        title: 'Test Case 1',
+        state: 0, // new
+        priority: 0, // critical
+        type: 4, // functional
+        automationStatus: 0, // automated
+        template: 1, // step
+        description: 'Test description',
+        preConditions: 'Test preconditions',
+        expectedResults: 'Test expected results',
+        folderId: 1,
+      },
+      {
+        id: 2,
+        title: 'Test Case 2',
+        state: 1, // inProgress
+        priority: 1, // high
+        type: 1, // security
+        automationStatus: 1, // automation-not-required
+        template: 0, // text
+        description: 'Test description 2',
+        preConditions: 'Test preconditions 2',
+        expectedResults: 'Test expected results 2',
+        folderId: 1,
+      },
+      {
+        id: 3,
+        title: 'Test Case 3',
+        state: 2, // underReview
+        priority: 2, // medium
+        type: 2, // performance
+        automationStatus: 2, // cannot-be-automated
+        template: 1, // step
+        description: 'Test description 3',
+        preConditions: 'Test preconditions 3',
+        expectedResults: 'Test expected results 3',
+        folderId: 1,
+      },
+    ]);
+
+    const response = await request(app).get('/download?folderId=1&type=csv');
+
+    expect(response.status).toBe(200);
+    expect(response.headers['content-type']).toBe('text/csv; charset=utf-8');
+    expect(response.headers['content-disposition']).toBe('attachment; filename=cases_folder_1.csv');
+
+    const csvContent = response.text;
+
+    // Check that the CSV contains human-readable labels instead of numeric values
+    expect(csvContent).toContain('critical');
+    expect(csvContent).toContain('high');
+    expect(csvContent).toContain('medium');
+    expect(csvContent).toContain('functional');
+    expect(csvContent).toContain('security');
+    expect(csvContent).toContain('performance');
+    expect(csvContent).toContain('automated');
+    expect(csvContent).toContain('automation-not-required');
+    expect(csvContent).toContain('cannot-be-automated');
+    expect(csvContent).toContain('new');
+    expect(csvContent).toContain('inProgress');
+    expect(csvContent).toContain('underReview');
+    expect(csvContent).toContain('text');
+    expect(csvContent).toContain('step');
+  });
+
+  it('should return 404 if no cases found', async () => {
+    mockCase.findAll.mockResolvedValue([]);
+
+    const response = await request(app).get('/download?folderId=999&type=csv');
+
+    expect(response.status).toBe(404);
+    expect(response.text).toBe('No cases found');
+  });
+
+  it('should return 400 if folderId is missing', async () => {
+    const response = await request(app).get('/download?type=csv');
+
+    expect(response.status).toBe(400);
+    expect(response.body.error).toBe('folderId is required');
+  });
+
+  it('should return 400 if type is missing', async () => {
+    const response = await request(app).get('/download?folderId=1');
+
+    expect(response.status).toBe(400);
+    expect(response.body.error).toBe('download type is required');
+  });
+});