From 08591292aea3022c7375327d6d44ec22181775be Mon Sep 17 00:00:00 2001
From: Yossi Saadi <yossisa@monday.com>
Date: Sun, 8 Dec 2024 09:44:20 +0200
Subject: [PATCH] test: merge_group event

---
 src/action.test.mjs | 54 +++++++++++++++++++++++++++++++++++++++++++++
 src/testUtils.mjs   | 29 ++++++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/src/action.test.mjs b/src/action.test.mjs
index 7b91e48..1a57f40 100644
--- a/src/action.test.mjs
+++ b/src/action.test.mjs
@@ -5,8 +5,10 @@ import { jest, describe, it } from '@jest/globals'
 import * as td from 'testdouble'
 import {
   buildResponseCommit,
+  createMergeGroupEventPayload,
   createPullRequestEventPayload,
   createPushEventPayload,
+  updateMergeGroupEnvVars,
   updatePullRequestEnvVars,
   updatePushEnvVars,
 } from './testUtils.mjs'
@@ -952,4 +954,56 @@ describe('Commit Linter action', () => {
       td.verify(mockCore.setFailed(contains(incorrectCommit.message)))
     })
   })
+
+  describe('when handling merge_group event', () => {
+    beforeEach(async () => {
+      cwd = await git.bootstrap('fixtures/conventional', process.cwd())
+      td.when(mockCore.getInput('configFile')).thenReturn(
+        './commitlint.config.mjs',
+      )
+
+      td.replace(process, 'cwd', () => cwd)
+      td.replace(console, 'log')
+    })
+
+    it('should lint the squashed commit message successfully', async () => {
+      const mergeGroupData = {
+        head_sha: 'merge-group-head-sha',
+        head_commit: {
+          id: 'merge-group-head-sha',
+          message: 'feat: add new feature\n\nThis is a detailed description.',
+          tree_id: 'tree-sha',
+        },
+      }
+
+      await createMergeGroupEventPayload(cwd, mergeGroupData)
+      updateMergeGroupEnvVars(cwd)
+
+      await runAction()
+
+      td.verify(mockCore.setFailed(), { times: 0, ignoreExtraArgs: true })
+      td.verify(console.log('Lint free! 🎉'))
+    })
+
+    it('should fail if the squashed commit message has linting errors', async () => {
+      const mergeGroupData = {
+        head_sha: 'merge-group-head-sha',
+        head_commit: {
+          id: 'merge-group-head-sha',
+          message: 'bad commit message',
+          tree_id: 'tree-sha',
+        },
+      }
+
+      await createMergeGroupEventPayload(cwd, mergeGroupData)
+      updateMergeGroupEnvVars(cwd)
+
+      await runAction()
+
+      td.verify(
+        mockCore.setFailed(contains('You have commit messages with errors')),
+      )
+      td.verify(mockCore.setFailed(contains('bad commit message')))
+    })
+  })
 })
diff --git a/src/testUtils.mjs b/src/testUtils.mjs
index 604bf2a..07426bf 100644
--- a/src/testUtils.mjs
+++ b/src/testUtils.mjs
@@ -77,3 +77,32 @@ export const buildResponseCommit = (sha, message) => ({
     message,
   },
 })
+
+export const createMergeGroupEventPayload = async (cwd, mergeGroupData) => {
+  const payload = {
+    action: 'checks_requested',
+    merge_group: mergeGroupData,
+    repository: {
+      owner: {
+        login: 'wagoid',
+      },
+      name: 'commitlint-github-action',
+    },
+  }
+
+  const eventPath = path.join(cwd, 'mergeGroupEventPayload.json')
+
+  updateEnvVars({
+    GITHUB_EVENT_PATH: eventPath,
+    GITHUB_EVENT_NAME: 'merge_group',
+    GITHUB_REPOSITORY: 'wagoid/commitlint-github-action',
+  })
+  await writeFile(eventPath, JSON.stringify(payload), 'utf8')
+}
+
+export const updateMergeGroupEnvVars = (cwd) => {
+  updateEnvVars({
+    GITHUB_WORKSPACE: cwd,
+    GITHUB_EVENT_NAME: 'merge_group',
+  })
+}