test: Add payload fixtures

package.json

@@ -33,6 +33,8 @@
     "class-validator": "^0.13.2"
   },
   "devDependencies": {
+    "@octokit/webhooks": "^10.3.0",
+    "@octokit/webhooks-types": "^6.5.0",
     "@types/jest": "28.1.7",
     "@types/node": "18.0.4",
     "@typescript-eslint/parser": "5.40.1",
@@ -43,6 +45,7 @@
     "eslint-plugin-jest": "26.8.3",
     "eslint-plugin-prettier": "4.2.1",
     "js-yaml": "4.1.0",
+    "nock": "^13.2.9",
     "prettier": "2.7.1",
     "ts-node": "10.9.1",
     "typescript": "4.8.4",

src/metadata.ts

@@ -80,7 +80,7 @@ export class Metadata {
  * Based on probot-metadata - https://github.com/probot/metadata
  */
 // eslint-disable-next-line @typescript-eslint/no-extraneous-class
-class MetadataController {
+export class MetadataController {
   static readonly regex = /\n\n<!-- devel-freezer = (.*) -->/;
 
   static async getMetadata(key: string, context: Context) {

test/integration/fixtures/metadata.fixture.ts

@@ -0,0 +1,38 @@
+import {
+  PullRequestOpenedEvent,
+  PullRequestReopenedEvent,
+  PullRequestSynchronizeEvent,
+} from '@octokit/webhooks-types';
+
+import { events } from '../../../src/events';
+
+import payloadPullRequestOpened from '../fixtures/payloads/pull-request-opened.json';
+import payloadPullRequestReopened from '../fixtures/payloads/pull-request-reopened.json';
+import payloadPullRequestSynchronize from '../fixtures/payloads/pull-request-synchronize.json';
+
+export interface IMetadataTestContext {
+  payloads: {
+    type: typeof events.pull_request[number];
+    payload:
+      | PullRequestOpenedEvent
+      | PullRequestReopenedEvent
+      | PullRequestSynchronizeEvent;
+  }[];
+}
+
+export const metadataContextFixture: IMetadataTestContext = {
+  payloads: [
+    {
+      type: 'pull_request.opened',
+      payload: payloadPullRequestOpened as PullRequestOpenedEvent,
+    },
+    {
+      type: 'pull_request.reopened',
+      payload: payloadPullRequestReopened as PullRequestReopenedEvent,
+    },
+    {
+      type: 'pull_request.synchronize',
+      payload: payloadPullRequestSynchronize as PullRequestSynchronizeEvent,
+    },
+  ],
+};

test/integration/fixtures/payloads/README.md

@@ -0,0 +1,3 @@
+# About Payloads
+
+> **Note**: Payloads were gathered from: [@octokit/webhooks](https://github.com/octokit/webhooks/tree/master/payload-examples)