test: each option's response is to be used

Author: enisdenjo

src/__tests__/handler.ts

@@ -1,15 +1,18 @@
 import fetch from 'node-fetch';
 import { startTServer } from './utils/tserver';
 
-it('should use the response returned from context', async () => {
-  const server = startTServer({
-    context: () => {
-      return [null, { status: 418 }];
-    },
-  });
+it.each(['schema', 'context', 'onSubscribe', 'onOperation'])(
+  'should use the response returned from %s',
+  async (option) => {
+    const server = startTServer({
+      [option]: () => {
+        return [null, { status: 418 }];
+      },
+    });
 
-  const url = new URL(server.url);
-  url.searchParams.set('query', '{ __typename }');
-  const res = await fetch(url.toString());
-  expect(res.status).toBe(418);
-});
+    const url = new URL(server.url);
+    url.searchParams.set('query', '{ __typename }');
+    const res = await fetch(url.toString());
+    expect(res.status).toBe(418);
+  },
+);