build

.github/workflows/codeql.yml

@@ -55,11 +55,11 @@ jobs:
             # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
       steps:
          - name: Checkout repository
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+           uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
          # Initializes the CodeQL tools for scanning.
          - name: Initialize CodeQL
-           uses: github/codeql-action/init@89a39a4e59826350b863aa6b6252a07ad50cf83e # v3.29.5
+           uses: github/codeql-action/init@0499de31b99561a6d14a36a5f662c2a54f91beee # v3.29.5
            with:
               languages: ${{ matrix.language }}
               build-mode: ${{ matrix.build-mode }}
@@ -86,6 +86,6 @@ jobs:
               echo '  make release'
               exit 1
          - name: Perform CodeQL Analysis
-           uses: github/codeql-action/analyze@89a39a4e59826350b863aa6b6252a07ad50cf83e # v3.29.5
+           uses: github/codeql-action/analyze@0499de31b99561a6d14a36a5f662c2a54f91beee # v3.29.5
            with:
               category: '/language:${{matrix.language}}'

.github/workflows/default-labels.yml

@@ -13,7 +13,7 @@ jobs:
 
       # Steps represent a sequence of tasks that will be executed as part of the job
       steps:
-         - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+         - uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008 # v10.1.0
            name: Setting Issue as Idle
            with:
               repo-token: ${{ secrets.GITHUB_TOKEN }}
@@ -24,7 +24,7 @@ jobs:
               operations-per-run: 100
               exempt-issue-labels: 'backlog'
 
-         - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+         - uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008 # v10.1.0
            name: Setting PR as Idle
            with:
               repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/integration-tests.yml

@@ -15,7 +15,7 @@ jobs:
       steps:
          - name: Checkout Source Code
            id: checkout-code
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+           uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
          - name: Npm Install and Build
            id: npm-build
            run: |

.github/workflows/prettify-code.yml

@@ -10,10 +10,10 @@ jobs:
       runs-on: ubuntu-latest
       steps:
          - name: Checkout Repository
-           uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+           uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
          - name: Setup Node.js
-           uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
+           uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
            with:
               node-version: 'lts/*'
               cache: 'npm'

.github/workflows/unit-tests.yml

@@ -13,7 +13,7 @@ jobs:
    unit-test:
       runs-on: ubuntu-latest
       steps:
-         - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+         - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
          - name: Run Unit Tests
            run: |
               npm install

.gitignore

@@ -331,4 +331,3 @@ node_modules
 coverage
 
 # Transpiled JS
-lib/

README.md

@@ -107,7 +107,3 @@ provided by the bot. You will only need to do this once across all repos using o
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
 For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
 contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
-
-### Local development
-
-Use `npm run build` to bundle the action with esbuild (output is `lib/index.cjs`, referenced by `action.yml`) and `npm run test` to execute the Vitest suite, including an integration test that runs the built action.

action.yml

@@ -40,4 +40,4 @@ branding:
    color: 'blue'
 runs:
    using: 'node20'
-   main: 'lib/index.cjs'
+   main: 'lib/index.js'

babel.config.js

@@ -0,0 +1,7 @@
+// babel.config.js
+export default {
+   presets: [
+      '@babel/preset-env', // For handling ES modules
+      '@babel/preset-typescript' // For handling TypeScript
+   ]
+}

jest.config.js

@@ -0,0 +1,28 @@
+export default {
+   restoreMocks: true,
+   clearMocks: true,
+   resetMocks: true,
+   moduleFileExtensions: ['js', 'ts'],
+   testEnvironment: 'node',
+   testMatch: ['**/*.test.ts'],
+   transform: {
+      '^.+\\.ts$': 'ts-jest', // Use ts-jest for TypeScript files
+      '^.+\\.js$': 'babel-jest' // Transform TypeScript files
+   },
+   transformIgnorePatterns: [
+      '/node_modules/(?!@kubernetes/client-node)/' // Make sure to transform the Kubernetes client module
+   ],
+   moduleNameMapper: {
+      '^.+\\.css$': 'jest-transform-stub' // Handle CSS imports (if any)
+   },
+   extensionsToTreatAsEsm: ['.ts', '.tsx'], // Treat TypeScript files as ESM
+   verbose: true,
+   coverageThreshold: {
+      global: {
+         branches: 0,
+         functions: 40,
+         lines: 22,
+         statements: 22
+      }
+   }
+}

lib/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

package.json

@@ -2,12 +2,13 @@
    "name": "k8s-set-context-action",
    "version": "4.0.2",
    "private": true,
-   "main": "lib/index.cjs",
+   "main": "lib/index.js",
    "type": "module",
    "scripts": {
-      "build": "tsc --noEmit && node ./scripts/build.mjs",
-      "test": "vitest run",
-      "test-coverage": "vitest run --coverage",
+      "prebuild": "npm i @vercel/ncc",
+      "build": "ncc build src/run.ts -o lib",
+      "test": "jest",
+      "test-coverage": "jest --coverage",
       "format": "prettier --write .",
       "format-check": "prettier --check .",
       "prepare": "husky"
@@ -20,20 +21,24 @@
    "author": "GitHub",
    "license": "MIT",
    "dependencies": {
-      "@actions/core": "^2.0.2",
-      "@actions/exec": "^2.0.0",
+      "@actions/core": "^1.11.1",
+      "@actions/exec": "^1.1.1",
       "@actions/io": "^2.0.0",
       "@kubernetes/client-node": "^1.4.0",
       "husky": "^9.1.7",
-      "js-yaml": "^4.1.1"
+      "js-yaml": "^4.1.0"
    },
    "devDependencies": {
+      "@babel/preset-env": "^7.28.5",
+      "@babel/preset-typescript": "^7.28.5",
+      "@types/jest": "^30.0.0",
       "@types/js-yaml": "^4.0.9",
-      "@types/node": "^25.0.9",
-      "@vitest/coverage-v8": "^2.0.4",
-      "esbuild": "^0.24.0",
-      "prettier": "^3.8.0",
-      "typescript": "^5.9.3",
-      "vitest": "^2.0.4"
+      "@types/node": "^24.9.2",
+      "@vercel/ncc": "^0.38.4",
+      "babel-jest": "^30.2.0",
+      "jest": "^30.2.0",
+      "prettier": "^3.6.2",
+      "ts-jest": "^29.4.5",
+      "typescript": "^5.9.3"
    }
 }

scripts/build.mjs

@@ -1,26 +0,0 @@
-#!/usr/bin/env node
-
-import {build} from 'esbuild'
-import {mkdir} from 'fs/promises'
-import {dirname} from 'path'
-
-const outFile = 'lib/index.cjs'
-
-const main = async () => {
-   await mkdir(dirname(outFile), {recursive: true})
-   await build({
-      entryPoints: ['src/run.ts'],
-      bundle: true,
-      platform: 'node',
-      target: 'node20',
-      format: 'cjs',
-      sourcemap: true,
-      outfile: outFile,
-      legalComments: 'none'
-   })
-}
-
-main().catch((err) => {
-   console.error(err)
-   process.exit(1)
-})

src/action.test.ts

@@ -1,56 +1,30 @@
 import {getRequiredInputError} from '../tests/util'
-import {afterEach, beforeEach, describe, expect, it, vi} from 'vitest'
 import {run} from './action'
-import * as fs from 'fs'
-import * as path from 'path'
-import os from 'os'
+import fs from 'fs'
 import * as utils from './utils'
-import * as core from '@actions/core'
 
 describe('Run', () => {
-   const initialEnv = {...process.env}
-   const tempDirs: string[] = []
-
-   beforeEach(() => {
-      vi.restoreAllMocks()
-      process.env = {...initialEnv}
-      vi.spyOn(core, 'warning').mockImplementation(() => {})
-      vi.spyOn(core, 'debug').mockImplementation(() => {})
-   })
-
-   afterEach(() => {
-      tempDirs.forEach((dir) => {
-         try {
-            fs.rmSync(dir, {recursive: true, force: true})
-         } catch {}
-      })
-      tempDirs.length = 0
-   })
-
    it('throws error without cluster type', async () => {
       await expect(run()).rejects.toThrow(getRequiredInputError('cluster-type'))
    })
 
    it('writes kubeconfig and sets context', async () => {
       const kubeconfig = 'kubeconfig'
-      const fixedTimestamp = 42
 
       process.env['INPUT_CLUSTER-TYPE'] = 'default'
-      const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'kubeconfig-test-'))
-      tempDirs.push(tmpDir)
-      process.env['RUNNER_TEMP'] = tmpDir
+      process.env['RUNNER_TEMP'] = '/sample/path'
 
-      vi.spyOn(Date, 'now').mockReturnValue(fixedTimestamp)
-      vi.spyOn(utils, 'getKubeconfig').mockResolvedValue(kubeconfig)
-      vi.spyOn(utils, 'setContext').mockImplementation(() => kubeconfig)
+      jest
+         .spyOn(utils, 'getKubeconfig')
+         .mockImplementation(async () => kubeconfig)
+      jest.spyOn(fs, 'writeFileSync').mockImplementation(() => {})
+      jest.spyOn(fs, 'chmodSync').mockImplementation(() => {})
+      jest.spyOn(utils, 'setContext').mockImplementation(() => kubeconfig)
 
-      await expect(run()).resolves.toBeUndefined()
-
-      const outputPath = path.join(tmpDir, `kubeconfig_${fixedTimestamp}`)
-      expect(fs.existsSync(outputPath)).toBe(true)
-      expect(fs.readFileSync(outputPath, 'utf-8')).toBe(kubeconfig)
-      expect(process.env['KUBECONFIG']).toBe(outputPath)
+      expect(await run())
       expect(utils.getKubeconfig).toHaveBeenCalled()
-      expect(utils.setContext).toHaveBeenCalledWith(kubeconfig)
+      expect(fs.writeFileSync).toHaveBeenCalled()
+      expect(fs.chmodSync).toHaveBeenCalled()
+      expect(utils.setContext).toHaveBeenCalled()
    })
 })

src/kubeconfigs/arc.test.ts

@@ -1,5 +1,3 @@
-import {beforeEach, describe, expect, it, test, vi} from 'vitest'
-import * as core from '@actions/core'
 import * as actions from '@actions/exec'
 import * as io from '@actions/io'
 import {getRequiredInputError} from '../../tests/util'
@@ -7,12 +5,6 @@ import {getArcKubeconfig, KUBECONFIG_LOCATION} from './arc'
 import * as az from './azCommands'
 
 describe('Arc kubeconfig', () => {
-   beforeEach(() => {
-      vi.restoreAllMocks()
-      vi.spyOn(core, 'warning').mockImplementation(() => {})
-      vi.spyOn(core, 'debug').mockImplementation(() => {})
-   })
-
    test('it throws error without resource group', async () => {
       await expect(getArcKubeconfig()).rejects.toThrow(
          getRequiredInputError('resource-group')
@@ -36,11 +28,11 @@ describe('Arc kubeconfig', () => {
          process.env['INPUT_RESOURCE-GROUP'] = group
          process.env['INPUT_CLUSTER-NAME'] = name
 
-         vi.spyOn(io, 'which').mockResolvedValue(path)
-         vi.spyOn(az, 'runAzCliCommand').mockResolvedValue()
-         vi.spyOn(az, 'runAzKubeconfigCommandBlocking').mockResolvedValue(
-            kubeconfig
-         )
+         jest.spyOn(io, 'which').mockImplementation(async () => path)
+         jest.spyOn(az, 'runAzCliCommand').mockImplementation(async () => {})
+         jest
+            .spyOn(az, 'runAzKubeconfigCommandBlocking')
+            .mockImplementation(async () => kubeconfig)
       })
 
       it('throws an error without method', async () => {

src/kubeconfigs/azCommands.test.ts

@@ -1,15 +1,12 @@
-import {describe, expect, test, vi} from 'vitest'
-import * as core from '@actions/core'
 import * as actions from '@actions/exec'
 import {runAzCliCommand} from './azCommands'
 
 describe('Az commands', () => {
    test('it runs an az cli command', async () => {
-      vi.spyOn(core, 'debug').mockImplementation(() => {})
       const path = 'path'
       const args = ['args']
 
-      vi.spyOn(actions, 'exec').mockResolvedValue(0)
+      jest.spyOn(actions, 'exec').mockImplementation(async () => 0)
 
       expect(await runAzCliCommand(path, args))
       expect(actions.exec).toHaveBeenCalledWith(path, args, {})

src/kubeconfigs/default.test.ts

@@ -1,22 +1,9 @@
-import {afterEach, beforeEach, describe, expect, test, vi} from 'vitest'
 import * as fs from 'fs'
 import * as core from '@actions/core'
 import {getRequiredInputError} from '../../tests/util'
 import {createKubeconfig, getDefaultKubeconfig} from './default'
 
 describe('Default kubeconfig', () => {
-   const originalEnv = {...process.env}
-
-   beforeEach(() => {
-      vi.restoreAllMocks()
-      vi.spyOn(core, 'warning').mockImplementation(() => {})
-      vi.spyOn(core, 'debug').mockImplementation(() => {})
-   })
-
-   afterEach(() => {
-      process.env = {...originalEnv}
-   })
-
    test('it creates a kubeconfig with proper format', () => {
       const certAuth = 'certAuth'
       const token = 'token'
@@ -79,7 +66,7 @@ describe('Default kubeconfig', () => {
 
       test('returns kubeconfig as plaintext when encoding is plaintext', () => {
          const kc = 'example kc'
-         vi.spyOn(core, 'getInput').mockImplementation((name: string) => {
+         jest.spyOn(core, 'getInput').mockImplementation((name: string) => {
             if (name === 'method') return 'default'
             if (name === 'kubeconfig-encoding') return 'plaintext'
             if (name === 'kubeconfig') return kc
@@ -92,7 +79,7 @@ describe('Default kubeconfig', () => {
          const kc = 'example kc'
          const base64Kc = Buffer.from(kc, 'utf-8').toString('base64')
 
-         vi.spyOn(core, 'getInput').mockImplementation((name: string) => {
+         jest.spyOn(core, 'getInput').mockImplementation((name: string) => {
             if (name === 'method') return 'default'
             if (name === 'kubeconfig-encoding') return 'base64'
             if (name === 'kubeconfig') return base64Kc
@@ -106,7 +93,7 @@ describe('Default kubeconfig', () => {
          const kc = 'example kc'
          const unknownEncoding = 'foobar'
 
-         vi.spyOn(core, 'getInput').mockImplementation((name: string) => {
+         jest.spyOn(core, 'getInput').mockImplementation((name: string) => {
             if (name === 'method') return 'default'
             if (name === 'kubeconfig-encoding') return unknownEncoding
             if (name === 'kubeconfig') return kc

src/types/cluster.test.ts

@@ -1,4 +1,3 @@
-import {describe, expect, test} from 'vitest'
 import {Cluster, parseCluster} from './cluster'
 
 describe('Cluster type', () => {

src/types/k8sSecret.test.ts

@@ -1,4 +1,3 @@
-import {describe, expect, test} from 'vitest'
 import {parseK8sSecret, K8sSecret} from './k8sSecret'
 
 describe('K8sSecret type', () => {

src/types/method.test.ts

@@ -1,4 +1,3 @@
-import {describe, expect, test} from 'vitest'
 import {Method, parseMethod} from './method'
 
 describe('Method type', () => {

src/utils.test.ts

@@ -1,31 +1,25 @@
-import {beforeEach, describe, expect, test, vi} from 'vitest'
 import fs from 'fs'
 import * as arc from './kubeconfigs/arc'
 import * as def from './kubeconfigs/default'
 import {Cluster} from './types/cluster'
 import {getKubeconfig, setContext} from './utils'
-import * as core from '@actions/core'
 
 describe('Utils', () => {
-   beforeEach(() => {
-      vi.restoreAllMocks()
-      vi.spyOn(core, 'warning').mockImplementation(() => {})
-      vi.spyOn(core, 'debug').mockImplementation(() => {})
-   })
-
    describe('get kubeconfig', () => {
       test('it gets arc kubeconfig when type is arc', async () => {
          const arcKubeconfig = 'arckubeconfig'
-         vi.spyOn(arc, 'getArcKubeconfig').mockResolvedValue(arcKubeconfig)
+         jest
+            .spyOn(arc, 'getArcKubeconfig')
+            .mockImplementation(async () => arcKubeconfig)
 
          expect(await getKubeconfig(Cluster.ARC)).toBe(arcKubeconfig)
       })
 
       test('it defaults to default kubeconfig', async () => {
          const defaultKubeconfig = 'arckubeconfig'
-         vi.spyOn(def, 'getDefaultKubeconfig').mockImplementation(
-            () => defaultKubeconfig
-         )
+         jest
+            .spyOn(def, 'getDefaultKubeconfig')
+            .mockImplementation(() => defaultKubeconfig)
 
          expect(await getKubeconfig(undefined)).toBe(defaultKubeconfig)
          expect(await getKubeconfig(Cluster.GENERIC)).toBe(defaultKubeconfig)

tests/util.ts

@@ -3,5 +3,5 @@
  * @param inputName Name of input
  * @returns Error with explanation message
  */
-export const getRequiredInputError = (inputName: string): Error =>
+export const getRequiredInputError = (inputName) =>
    Error(`Input required and not supplied: ${inputName}`)

tsconfig.json

@@ -11,5 +11,5 @@
          "@kubernetes/client-node": ["node_modules/@kubernetes/client-node"]
       }
    },
-   "exclude": ["node_modules", "lib"]
+   "exclude": ["node_modules", "tests", "src/**/*.test.ts"]
 }

vitest.config.ts

@@ -1,20 +0,0 @@
-import {defineConfig} from 'vitest/config'
-
-export default defineConfig({
-   test: {
-      environment: 'node',
-      include: ['**/*.test.ts'],
-      restoreMocks: true,
-      clearMocks: true,
-      mockReset: true,
-      coverage: {
-         provider: 'v8',
-         thresholds: {
-            statements: 22,
-            branches: 0,
-            functions: 40,
-            lines: 22
-         }
-      }
-   }
-})