test: add ofetch tests

lib/utils/ofetch.test.ts

@@ -0,0 +1,51 @@
+import { describe, expect, it, vi } from 'vitest';
+import { http, HttpResponse } from 'msw';
+import ofetch from '@/utils/ofetch';
+import { config } from '@/config';
+
+describe('ofetch', () => {
+    it('headers', async () => {
+        const data = await ofetch('http://rsshub.test/headers');
+        expect(data['user-agent']).toBe(config.ua);
+    });
+
+    it('retry', async () => {
+        const requestRun = vi.fn();
+        const { default: server } = await import('@/setup.test');
+        server.use(
+            http.get(`http://rsshub.test/retry-test`, () => {
+                requestRun();
+                return HttpResponse.error();
+            })
+        );
+
+        try {
+            await ofetch('http://rsshub.test/retry-test');
+        } catch (error: any) {
+            expect(error.name).toBe('FetchError');
+        }
+
+        // retries
+        expect(requestRun).toHaveBeenCalledTimes(config.requestRetry + 1);
+    });
+
+    it('form-post', async () => {
+        const body = new FormData();
+        body.append('test', 'rsshub');
+        const response = await ofetch('http://rsshub.test/form-post', {
+            method: 'POST',
+            body,
+        });
+        expect(response.test).toBe('rsshub');
+    });
+
+    it('json-post', async () => {
+        const response = await ofetch('http://rsshub.test/json-post', {
+            method: 'POST',
+            body: {
+                test: 'rsshub',
+            },
+        });
+        expect(response.test).toBe('rsshub');
+    });
+});