✅ (frontend) Add test for utils.ts

Signed-off-by: Zorin95670 <moittie.vincent@gmail.com>

Author: Zorin95670

src/frontend/apps/impress/src/api/__tests__/utils.test.ts

@@ -0,0 +1,57 @@
+import { errorCauses, getCSRFToken } from '@/api';
+
+describe('utils', () => {
+ describe('errorCauses', () => {
+ const createMockResponse = (jsonData: any, status = 400): Response => {
+ return {
+ status,
+ json: () => jsonData,
+ } as unknown as Response;
+ };
+
+ it('parses multiple string causes from error body', async () => {
+ const mockResponse = createMockResponse(
+ {
+ field: ['error message 1', 'error message 2'],
+ },
+ 400,
+ );
+
+ const result = await errorCauses(mockResponse, { context: 'login' });
+
+ expect(result.status).toBe(400);
+ expect(result.cause).toEqual(['error message 1', 'error message 2']);
+ expect(result.data).toEqual({ context: 'login' });
+ });
+
+ it('returns undefined causes if no JSON body', async () => {
+ const mockResponse = createMockResponse(null, 500);
+
+ const result = await errorCauses(mockResponse);
+
+ expect(result.status).toBe(500);
+ expect(result.cause).toBeUndefined();
+ expect(result.data).toBeUndefined();
+ });
+ });
+
+ describe('getCSRFToken', () => {
+ it('extracts csrftoken from document.cookie', () => {
+ Object.defineProperty(document, 'cookie', {
+ writable: true,
+ value: 'sessionid=xyz; csrftoken=abc123; theme=dark',
+ });
+
+ expect(getCSRFToken()).toBe('abc123');
+ });
+
+ it('returns undefined if csrftoken is not present', () => {
+ Object.defineProperty(document, 'cookie', {
+ writable: true,
+ value: 'sessionid=xyz; theme=dark',
+ });
+
+ expect(getCSRFToken()).toBeUndefined();
+ });
+ });
+});