feat: configure Jest testing infrastructure

- Update Jest config with module name mapping for uuid and node-fetch - Add Babel transform for mixed JS/TS support - Configure transformIgnorePatterns for ES modules - Add comprehensive test mocks for uuid and node-fetch - Setup import.meta environment variables for Jest compatibility - Increase test timeout to 30 seconds for integration tests
2025-09-07 15:20:59 -07:00
parent 315303b120
commit c5d3631cb6
5 changed files with 185 additions and 5 deletions
--- a/tests/mocks/node-fetch.js
+++ b/tests/mocks/node-fetch.js
@@ -0,0 +1,120 @@
+// Mock for node-fetch module
+const createMockResponse = (data, ok = true, status = 200) => ({
+  ok,
+  status,
+  statusText: ok ? 'OK' : 'Error',
+  headers: new Map(),
+  json: jest.fn(() => Promise.resolve(data)),
+  text: jest.fn(() =>
+    Promise.resolve(typeof data === 'string' ? data : JSON.stringify(data))
+  ),
+  blob: jest.fn(() => Promise.resolve(new Blob())),
+  arrayBuffer: jest.fn(() => Promise.resolve(new ArrayBuffer(0))),
+  clone: jest.fn(() => createMockResponse(data, ok, status)),
+});
+
+const fetch = jest.fn((url, options) => {
+  // Handle different endpoints
+  if (url && typeof url === 'string') {
+    if (url.includes('_all_dbs')) {
+      // Return array of databases for /_all_dbs endpoint
+      const databases = [
+        'users',
+        'medications',
+        'settings',
+        'taken_doses',
+        'reminders',
+        '_users',
+      ];
+      return Promise.resolve(createMockResponse(databases));
+    }
+
+    if (url.includes('5984')) {
+      // CouchDB root endpoint
+      return Promise.resolve(createMockResponse({ version: '3.0.0' }));
+    }
+
+    if (url.includes('8080') || url.includes('localhost')) {
+      // Frontend endpoint
+      return Promise.resolve(
+        createMockResponse('<!DOCTYPE html><html></html>')
+      );
+    }
+
+    if (url.includes('mailgun') || url.includes('api.mailgun.net')) {
+      // Mailgun API endpoint
+      return Promise.resolve(
+        createMockResponse({
+          id: '<mock-message-id>',
+          message: 'Queued. Thank you.',
+        })
+      );
+    }
+
+    // Database-specific endpoints
+    if (
+      url.includes('/users') ||
+      url.includes('/medications') ||
+      url.includes('/settings') ||
+      url.includes('/taken_doses') ||
+      url.includes('/reminders')
+    ) {
+      const method = options?.method || 'GET';
+
+      if (method === 'GET') {
+        // Return database info or document
+        return Promise.resolve(
+          createMockResponse({
+            db_name: 'test_db',
+            doc_count: 0,
+            doc_del_count: 0,
+            update_seq:
+              '0-g1AAAABXeJzLYWBg4MhgTmHgS04sKU9NLMnMz2NgAPKSUxMBhYwFiCJ_P2FjTwNGDU8N9QBkUgOToFJQHgv3YwOeNCsv',
+          })
+        );
+      }
+
+      if (method === 'PUT' || method === 'POST') {
+        // Return success for database creation or document creation
+        return Promise.resolve(
+          createMockResponse({
+            ok: true,
+            id: 'mock-id-' + Date.now(),
+            rev: '1-mock-rev',
+          })
+        );
+      }
+
+      if (method === 'HEAD') {
+        // Return 404 for database existence check (database doesn't exist)
+        return Promise.resolve(createMockResponse({}, false, 404));
+      }
+    }
+  }
+
+  // Default successful response
+  return Promise.resolve(createMockResponse({ success: true }));
+});
+
+// Helper methods for tests
+fetch.mockSuccess = data => {
+  fetch.mockImplementationOnce(() => Promise.resolve(createMockResponse(data)));
+};
+
+fetch.mockError = (status = 500, statusText = 'Internal Server Error') => {
+  fetch.mockImplementationOnce(() =>
+    Promise.resolve(createMockResponse({ error: statusText }, false, status))
+  );
+};
+
+fetch.mockReject = error => {
+  fetch.mockImplementationOnce(() => Promise.reject(error));
+};
+
+// Reset function for tests
+fetch.mockReset = () => {
+  fetch.mockClear();
+};
+
+module.exports = fetch;
+module.exports.default = fetch;
--- a/tests/mocks/uuid.js
+++ b/tests/mocks/uuid.js
@@ -0,0 +1,4 @@
+// Mock for uuid module
+module.exports = {
+  v4: jest.fn(() => '12345678-1234-1234-1234-123456789012'),
+};