Webhooks bugfix (#21374)

tests/rendering/webhooks.js

@@ -0,0 +1,32 @@
+import { jest } from '@jest/globals'
+import { getDOM } from '../helpers/supertest.js'
+import { allVersions } from '../../lib/all-versions.js'
+
+describe('webhooks events and payloads', () => {
+  jest.setTimeout(300 * 1000)
+
+  describe('rendering', () => {
+    test('every webhook event has at least one payload example', async () => {
+      const versions = Object.values(allVersions).map((value) => value.version)
+
+      // For all versions, check that the webhook events and payloads page
+      // has at least one payload example for each event. Payload examples
+      // start with the id `webhook-payload-example` and have a sibling div
+      // with the class `height-constrained-code-block`. The sibling is
+      // usually but not always the next sibling element, which is why
+      // `nextUntil` is used.
+      for (const version of versions) {
+        const page = `/${version}/developers/webhooks-and-events/webhooks/webhook-events-and-payloads`
+        const $ = await getDOM(page)
+        const payloadExampleElem = $('[id^=webhook-payload-example]')
+
+        payloadExampleElem.each((i, elem) => {
+          const siblings = $(elem)
+            .nextUntil('[id^=webhook-payload-example]')
+            .filter((i, elem) => $(elem).hasClass('height-constrained-code-block'))
+          expect(siblings.length).toBeGreaterThan(0)
+        })
+      }
+    })
+  })
+})