Update check logic

.vscode/settings.json

@@ -10,8 +10,5 @@
   "html.format.templating": true,
   "markdown.extension.list.indentationSize": "adaptive",
   "markdown.extension.italic.indicator": "_",
-  "markdown.extension.orderedList.marker": "one",
-  "java.checkstyle.configuration": "usps-common-configuration/linting_rules/java/sun-checks.xml",
-  "java.configuration.updateBuildConfiguration": "automatic",
-  "java.compile.nullAnalysis.mode": "automatic"
+  "markdown.extension.orderedList.marker": "one"
 }

__fixtures__/github.ts

@@ -7,7 +7,11 @@ export const context = {
   job: 'job-name',
   payload: {},
   repo: {
-    owner: 'USPS',
-    repo: 'fast-track-deployment-manifest-action'
-  }
+    owner: 'issue-ops',
+    repo: 'semver'
+  },
+  issue: {
+    number: 1
+  },
+  workflow: 'workflow-name'
 }

__fixtures__/octokit.ts

@@ -22,7 +22,8 @@ export const rest = {
     get: jest.fn(),
     listComments: jest.fn(),
     removeLabel: jest.fn(),
-    update: jest.fn()
+    update: jest.fn(),
+    updateComment: jest.fn()
   },
   orgs: {
     checkMembershipForUser: jest.fn()

__tests__/main.test.ts

@@ -31,6 +31,12 @@ jest.unstable_mockModule('../src/version.js', async () => {
     Version
   }
 })
+jest.unstable_mockModule('../src/messages.js', async () => {
+  return {
+    getCommentId: jest.fn(),
+    versionCheckComment: jest.fn()
+  }
+})
 
 const main = await import('../src/main.js')
 const { Version } = await import('../src/version.js')
@@ -243,7 +249,7 @@ describe('main', () => {
     await main.run()
 
     expect(core.setFailed).toHaveBeenCalledWith(
-      "Version already exists and 'check-only' is true"
+      "Version exists and 'check-only' is true"
     )
   })
 })

__tests__/messages.test.ts

@@ -0,0 +1,102 @@
+import { jest } from '@jest/globals'
+import * as github from '../__fixtures__/github.js'
+
+jest.unstable_mockModule('@actions/github', () => github)
+
+const messages = await import('../src/messages.js')
+
+const { getOctokit } = await import('@actions/github')
+const mocktokit = jest.mocked(getOctokit(process.env.GITHUB_TOKEN as string))
+
+describe('messages', () => {
+  beforeEach(() => {
+    process.env.GITHUB_REPOSITORY = 'issue-ops/semver'
+  })
+
+  afterEach(() => {
+    jest.resetAllMocks()
+  })
+
+  describe('getCommentId()', () => {
+    it('returns the ID of the existing comment', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: [
+          {
+            id: 1,
+            body: 'test comment\n\n<!-- semver: workflow=workflow-name -->'
+          }
+        ]
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      const commentId = await messages.getCommentId()
+      expect(commentId).toBe(1)
+    })
+
+    it('returns undefined if no existing comment is present', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: []
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      const commentId = await messages.getCommentId()
+      expect(commentId).toBe(undefined)
+    })
+  })
+
+  describe('versionCheckComment()', () => {
+    it('updates an existing comment (success)', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: [
+          {
+            id: 1,
+            body: 'test comment\n\n<!-- semver: workflow=workflow-name -->'
+          }
+        ]
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      await messages.versionCheckComment(true, 'package.json')
+
+      expect(mocktokit.rest.issues.updateComment).toHaveBeenCalled()
+    })
+
+    it('updates an existing comment (failure)', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: [
+          {
+            id: 1,
+            body: 'test comment\n\n<!-- semver: workflow=workflow-name -->'
+          }
+        ]
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      await messages.versionCheckComment(false, 'package.json')
+
+      expect(mocktokit.rest.issues.updateComment).toHaveBeenCalled()
+    })
+
+    it('creates a new comment (success)', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: []
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      await messages.versionCheckComment(true, 'package.json')
+
+      expect(mocktokit.rest.issues.createComment).toHaveBeenCalled()
+    })
+
+    it('creates a new comment (failure)', async () => {
+      mocktokit.rest.issues.listComments.mockResolvedValue({
+        data: []
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } as any)
+
+      await messages.versionCheckComment(false, 'package.json')
+
+      expect(mocktokit.rest.issues.createComment).toHaveBeenCalled()
+    })
+  })
+})