switch from jest to vitest

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
2026-03-04 02:09:50 +00:00 · 2026-02-28 16:32:47 +01:00 · 2026-02-28 16:32:47 +01:00 · db4ff6ca90
commit db4ff6ca90
parent 10e90e3645
9 changed files with 1359 additions and 3401 deletions
--- a/mocks/@actions/github.ts
+++ b/mocks/@actions/github.ts
@ -1,207 +0,0 @@
-import {jest} from '@jest/globals';
-
-export const context = {
-  repo: {
-    owner: 'docker',
-    repo: 'build-push-action'
-  },
-  ref: 'refs/heads/master',
-  runId: 123456789,
-  payload: {
-    after: '860c1904a1ce19322e91ac35af1ab07466440c37',
-    base_ref: null,
-    before: '5f3331d7f7044c18ca9f12c77d961c4d7cf3276a',
-    commits: [
-      {
-        author: {
-          email: 'crazy-max@users.noreply.github.com',
-          name: 'CrazyMax',
-          username: 'crazy-max'
-        },
-        committer: {
-          email: 'crazy-max@users.noreply.github.com',
-          name: 'CrazyMax',
-          username: 'crazy-max'
-        },
-        distinct: true,
-        id: '860c1904a1ce19322e91ac35af1ab07466440c37',
-        message: 'hello dev',
-        timestamp: '2022-04-19T11:27:24+02:00',
-        tree_id: 'd2c60af597e863787d2d27f569e30495b0b92820',
-        url: 'https://github.com/docker/test-docker-action/commit/860c1904a1ce19322e91ac35af1ab07466440c37'
-      }
-    ],
-    compare: 'https://github.com/docker/test-docker-action/compare/5f3331d7f704...860c1904a1ce',
-    created: false,
-    deleted: false,
-    forced: false,
-    head_commit: {
-      author: {
-        email: 'crazy-max@users.noreply.github.com',
-        name: 'CrazyMax',
-        username: 'crazy-max'
-      },
-      committer: {
-        email: 'crazy-max@users.noreply.github.com',
-        name: 'CrazyMax',
-        username: 'crazy-max'
-      },
-      distinct: true,
-      id: '860c1904a1ce19322e91ac35af1ab07466440c37',
-      message: 'hello dev',
-      timestamp: '2022-04-19T11:27:24+02:00',
-      tree_id: 'd2c60af597e863787d2d27f569e30495b0b92820',
-      url: 'https://github.com/docker/test-docker-action/commit/860c1904a1ce19322e91ac35af1ab07466440c37'
-    },
-    organization: {
-      avatar_url: 'https://avatars.githubusercontent.com/u/5429470?v=4',
-      description: 'Docker helps developers bring their ideas to life by conquering the complexity of app development.',
-      events_url: 'https://api.github.com/orgs/docker/events',
-      hooks_url: 'https://api.github.com/orgs/docker/hooks',
-      id: 5429470,
-      issues_url: 'https://api.github.com/orgs/docker/issues',
-      login: 'docker',
-      members_url: 'https://api.github.com/orgs/docker/members{/member}',
-      node_id: 'MDEyOk9yZ2FuaXphdGlvbjU0Mjk0NzA=',
-      public_members_url: 'https://api.github.com/orgs/docker/public_members{/member}',
-      repos_url: 'https://api.github.com/orgs/docker/repos',
-      url: 'https://api.github.com/orgs/docker'
-    },
-    pusher: {
-      email: 'github@crazymax.dev',
-      name: 'crazy-max'
-    },
-    ref: 'refs/heads/dev',
-    repository: {
-      allow_forking: true,
-      archive_url: 'https://api.github.com/repos/docker/test-docker-action/{archive_format}{/ref}',
-      archived: false,
-      assignees_url: 'https://api.github.com/repos/docker/test-docker-action/assignees{/user}',
-      blobs_url: 'https://api.github.com/repos/docker/test-docker-action/git/blobs{/sha}',
-      branches_url: 'https://api.github.com/repos/docker/test-docker-action/branches{/branch}',
-      clone_url: 'https://github.com/docker/test-docker-action.git',
-      collaborators_url: 'https://api.github.com/repos/docker/test-docker-action/collaborators{/collaborator}',
-      comments_url: 'https://api.github.com/repos/docker/test-docker-action/comments{/number}',
-      commits_url: 'https://api.github.com/repos/docker/test-docker-action/commits{/sha}',
-      compare_url: 'https://api.github.com/repos/docker/test-docker-action/compare/{base}...{head}',
-      contents_url: 'https://api.github.com/repos/docker/test-docker-action/contents/{+path}',
-      contributors_url: 'https://api.github.com/repos/docker/test-docker-action/contributors',
-      created_at: 1596792180,
-      default_branch: 'master',
-      deployments_url: 'https://api.github.com/repos/docker/test-docker-action/deployments',
-      description: 'Test "Docker" Actions',
-      disabled: false,
-      downloads_url: 'https://api.github.com/repos/docker/test-docker-action/downloads',
-      events_url: 'https://api.github.com/repos/docker/test-docker-action/events',
-      fork: false,
-      forks: 1,
-      forks_count: 1,
-      forks_url: 'https://api.github.com/repos/docker/test-docker-action/forks',
-      full_name: 'docker/test-docker-action',
-      git_commits_url: 'https://api.github.com/repos/docker/test-docker-action/git/commits{/sha}',
-      git_refs_url: 'https://api.github.com/repos/docker/test-docker-action/git/refs{/sha}',
-      git_tags_url: 'https://api.github.com/repos/docker/test-docker-action/git/tags{/sha}',
-      git_url: 'git://github.com/docker/test-docker-action.git',
-      has_downloads: true,
-      has_issues: true,
-      has_pages: false,
-      has_projects: true,
-      has_wiki: true,
-      homepage: '',
-      hooks_url: 'https://api.github.com/repos/docker/test-docker-action/hooks',
-      html_url: 'https://github.com/docker/test-docker-action',
-      id: 285789493,
-      is_template: false,
-      issue_comment_url: 'https://api.github.com/repos/docker/test-docker-action/issues/comments{/number}',
-      issue_events_url: 'https://api.github.com/repos/docker/test-docker-action/issues/events{/number}',
-      issues_url: 'https://api.github.com/repos/docker/test-docker-action/issues{/number}',
-      keys_url: 'https://api.github.com/repos/docker/test-docker-action/keys{/key_id}',
-      labels_url: 'https://api.github.com/repos/docker/test-docker-action/labels{/name}',
-      language: 'JavaScript',
-      languages_url: 'https://api.github.com/repos/docker/test-docker-action/languages',
-      license: {
-        key: 'mit',
-        name: 'MIT License',
-        node_id: 'MDc6TGljZW5zZTEz',
-        spdx_id: 'MIT',
-        url: 'https://api.github.com/licenses/mit'
-      },
-      master_branch: 'master',
-      merges_url: 'https://api.github.com/repos/docker/test-docker-action/merges',
-      milestones_url: 'https://api.github.com/repos/docker/test-docker-action/milestones{/number}',
-      mirror_url: null,
-      name: 'test-docker-action',
-      node_id: 'MDEwOlJlcG9zaXRvcnkyODU3ODk0OTM=',
-      notifications_url: 'https://api.github.com/repos/docker/test-docker-action/notifications{?since,all,participating}',
-      open_issues: 6,
-      open_issues_count: 6,
-      organization: 'docker',
-      owner: {
-        avatar_url: 'https://avatars.githubusercontent.com/u/5429470?v=4',
-        email: 'info@docker.com',
-        events_url: 'https://api.github.com/users/docker/events{/privacy}',
-        followers_url: 'https://api.github.com/users/docker/followers',
-        following_url: 'https://api.github.com/users/docker/following{/other_user}',
-        gists_url: 'https://api.github.com/users/docker/gists{/gist_id}',
-        gravatar_id: '',
-        html_url: 'https://github.com/docker',
-        id: 5429470,
-        login: 'docker',
-        name: 'docker',
-        node_id: 'MDEyOk9yZ2FuaXphdGlvbjU0Mjk0NzA=',
-        organizations_url: 'https://api.github.com/users/docker/orgs',
-        received_events_url: 'https://api.github.com/users/docker/received_events',
-        repos_url: 'https://api.github.com/users/docker/repos',
-        site_admin: false,
-        starred_url: 'https://api.github.com/users/docker/starred{/owner}{/repo}',
-        subscriptions_url: 'https://api.github.com/users/docker/subscriptions',
-        type: 'Organization',
-        url: 'https://api.github.com/users/docker'
-      },
-      private: true,
-      pulls_url: 'https://api.github.com/repos/docker/test-docker-action/pulls{/number}',
-      pushed_at: 1650360446,
-      releases_url: 'https://api.github.com/repos/docker/test-docker-action/releases{/id}',
-      size: 796,
-      ssh_url: 'git@github.com:docker/test-docker-action.git',
-      stargazers: 0,
-      stargazers_count: 0,
-      stargazers_url: 'https://api.github.com/repos/docker/test-docker-action/stargazers',
-      statuses_url: 'https://api.github.com/repos/docker/test-docker-action/statuses/{sha}',
-      subscribers_url: 'https://api.github.com/repos/docker/test-docker-action/subscribers',
-      subscription_url: 'https://api.github.com/repos/docker/test-docker-action/subscription',
-      svn_url: 'https://github.com/docker/test-docker-action',
-      tags_url: 'https://api.github.com/repos/docker/test-docker-action/tags',
-      teams_url: 'https://api.github.com/repos/docker/test-docker-action/teams',
-      topics: [],
-      trees_url: 'https://api.github.com/repos/docker/test-docker-action/git/trees{/sha}',
-      updated_at: '2022-04-19T09:05:09Z',
-      url: 'https://github.com/docker/test-docker-action',
-      visibility: 'private',
-      watchers: 0,
-      watchers_count: 0
-    },
-    sender: {
-      avatar_url: 'https://avatars.githubusercontent.com/u/1951866?v=4',
-      events_url: 'https://api.github.com/users/crazy-max/events{/privacy}',
-      followers_url: 'https://api.github.com/users/crazy-max/followers',
-      following_url: 'https://api.github.com/users/crazy-max/following{/other_user}',
-      gists_url: 'https://api.github.com/users/crazy-max/gists{/gist_id}',
-      gravatar_id: '',
-      html_url: 'https://github.com/crazy-max',
-      id: 1951866,
-      login: 'crazy-max',
-      node_id: 'MDQ6VXNlcjE5NTE4NjY=',
-      organizations_url: 'https://api.github.com/users/crazy-max/orgs',
-      received_events_url: 'https://api.github.com/users/crazy-max/received_events',
-      repos_url: 'https://api.github.com/users/crazy-max/repos',
-      site_admin: false,
-      starred_url: 'https://api.github.com/users/crazy-max/starred{/owner}{/repo}',
-      subscriptions_url: 'https://api.github.com/users/crazy-max/subscriptions',
-      type: 'User',
-      url: 'https://api.github.com/users/crazy-max'
-    }
-  }
-};
-
-export const getOctokit = jest.fn();
--- a/tests/context.test.ts
+++ b/tests/context.test.ts
@ -1,5 +1,6 @@
-import {afterEach, beforeEach, describe, expect, jest, test} from '@jest/globals';
+import {afterEach, beforeEach, describe, expect, test, vi} from 'vitest';
 import * as fs from 'fs';
+import * as os from 'os';
 import * as path from 'path';

 import {Builder} from '@docker/actions-toolkit/lib/buildx/builder';
@ -13,42 +14,41 @@ import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
 import {BuilderInfo} from '@docker/actions-toolkit/lib/types/buildx/builder';
 import {GitHubRepo} from '@docker/actions-toolkit/lib/types/github';

+const tmpDir = fs.mkdtempSync(path.join(process.env.TEMP || os.tmpdir(), 'context-'));
+const tmpName = path.join(tmpDir, '.tmpname-vi');
 import * as context from '../src/context';

-const tmpDir = path.join('/tmp', '.docker-build-push-jest');
-const tmpName = path.join(tmpDir, '.tmpname-jest');
-
 import repoFixture from './fixtures/github-repo.json';
-jest.spyOn(GitHub.prototype, 'repoData').mockImplementation((): Promise<GitHubRepo> => {
+vi.spyOn(GitHub.prototype, 'repoData').mockImplementation((): Promise<GitHubRepo> => {
  return <Promise<GitHubRepo>>(repoFixture as unknown);
 });

-jest.spyOn(Context, 'tmpDir').mockImplementation((): string => {
+vi.spyOn(Context, 'tmpDir').mockImplementation((): string => {
  if (!fs.existsSync(tmpDir)) {
    fs.mkdirSync(tmpDir, {recursive: true});
  }
  return tmpDir;
 });

-jest.spyOn(Context, 'tmpName').mockImplementation((): string => {
+vi.spyOn(Context, 'tmpName').mockImplementation((): string => {
  return tmpName;
 });

-jest.spyOn(Docker, 'isAvailable').mockImplementation(async (): Promise<boolean> => {
+vi.spyOn(Docker, 'isAvailable').mockImplementation(async (): Promise<boolean> => {
  return true;
 });

 const metadataJson = path.join(tmpDir, 'metadata.json');
-jest.spyOn(Build.prototype, 'getMetadataFilePath').mockImplementation((): string => {
+vi.spyOn(Build.prototype, 'getMetadataFilePath').mockImplementation((): string => {
  return metadataJson;
 });

 const imageIDFilePath = path.join(tmpDir, 'iidfile.txt');
-jest.spyOn(Build.prototype, 'getImageIDFilePath').mockImplementation((): string => {
+vi.spyOn(Build.prototype, 'getImageIDFilePath').mockImplementation((): string => {
  return imageIDFilePath;
 });

-jest.spyOn(Builder.prototype, 'inspect').mockImplementation(async (): Promise<BuilderInfo> => {
+vi.spyOn(Builder.prototype, 'inspect').mockImplementation(async (): Promise<BuilderInfo> => {
  return {
    name: 'builder2',
    driver: 'docker-container',
@ -904,7 +904,7 @@ ANOTHER_SECRET=ANOTHER_SECRET_ENV`]
      ])
    ],
  ])(
-    '[%d] given %p with %p as inputs, returns %p',
+    '[%d] given %o with %o as inputs, returns %o',
    async (num: number, buildxVersion: string, inputs: Map<string, string>, expected: Array<string>, envs: Map<string, string> | undefined) => {
      if (envs) {
        envs.forEach((value: string, name: string) => {
@ -915,7 +915,7 @@ ANOTHER_SECRET=ANOTHER_SECRET_ENV`]
        setInput(name, value);
      });
      const toolkit = new Toolkit();
-      jest.spyOn(Buildx.prototype, 'version').mockImplementation(async (): Promise<string> => {
+      vi.spyOn(Buildx.prototype, 'version').mockImplementation(async (): Promise<string> => {
        return buildxVersion;
      });
      const inp = await context.getInputs();
--- a/tests/setup.unit.ts
+++ b/tests/setup.unit.ts
@ -0,0 +1,242 @@
+import fs from 'node:fs';
+import {createRequire} from 'node:module';
+import os from 'node:os';
+import path from 'node:path';
+import {vi} from 'vitest';
+
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-action-'));
+
+process.env = Object.assign({}, process.env, {
+  TEMP: tmpDir,
+  GITHUB_REPOSITORY: 'docker/build-push-action',
+  RUNNER_TEMP: path.join(tmpDir, 'runner-temp'),
+  RUNNER_TOOL_CACHE: path.join(tmpDir, 'runner-tool-cache')
+});
+
+const require = createRequire(import.meta.url);
+
+const githubMock = {
+  context: {
+    repo: {
+      owner: 'docker',
+      repo: 'build-push-action'
+    },
+    ref: 'refs/heads/master',
+    runId: 123456789,
+    payload: {
+      after: '860c1904a1ce19322e91ac35af1ab07466440c37',
+      base_ref: null,
+      before: '5f3331d7f7044c18ca9f12c77d961c4d7cf3276a',
+      commits: [
+        {
+          author: {
+            email: 'crazy-max@users.noreply.github.com',
+            name: 'CrazyMax',
+            username: 'crazy-max'
+          },
+          committer: {
+            email: 'crazy-max@users.noreply.github.com',
+            name: 'CrazyMax',
+            username: 'crazy-max'
+          },
+          distinct: true,
+          id: '860c1904a1ce19322e91ac35af1ab07466440c37',
+          message: 'hello dev',
+          timestamp: '2022-04-19T11:27:24+02:00',
+          tree_id: 'd2c60af597e863787d2d27f569e30495b0b92820',
+          url: 'https://github.com/docker/test-docker-action/commit/860c1904a1ce19322e91ac35af1ab07466440c37'
+        }
+      ],
+      compare: 'https://github.com/docker/test-docker-action/compare/5f3331d7f704...860c1904a1ce',
+      created: false,
+      deleted: false,
+      forced: false,
+      head_commit: {
+        author: {
+          email: 'crazy-max@users.noreply.github.com',
+          name: 'CrazyMax',
+          username: 'crazy-max'
+        },
+        committer: {
+          email: 'crazy-max@users.noreply.github.com',
+          name: 'CrazyMax',
+          username: 'crazy-max'
+        },
+        distinct: true,
+        id: '860c1904a1ce19322e91ac35af1ab07466440c37',
+        message: 'hello dev',
+        timestamp: '2022-04-19T11:27:24+02:00',
+        tree_id: 'd2c60af597e863787d2d27f569e30495b0b92820',
+        url: 'https://github.com/docker/test-docker-action/commit/860c1904a1ce19322e91ac35af1ab07466440c37'
+      },
+      organization: {
+        avatar_url: 'https://avatars.githubusercontent.com/u/5429470?v=4',
+        description: 'Docker helps developers bring their ideas to life by conquering the complexity of app development.',
+        events_url: 'https://api.github.com/orgs/docker/events',
+        hooks_url: 'https://api.github.com/orgs/docker/hooks',
+        id: 5429470,
+        issues_url: 'https://api.github.com/orgs/docker/issues',
+        login: 'docker',
+        members_url: 'https://api.github.com/orgs/docker/members{/member}',
+        node_id: 'MDEyOk9yZ2FuaXphdGlvbjU0Mjk0NzA=',
+        public_members_url: 'https://api.github.com/orgs/docker/public_members{/member}',
+        repos_url: 'https://api.github.com/orgs/docker/repos',
+        url: 'https://api.github.com/orgs/docker'
+      },
+      pusher: {
+        email: 'github@crazymax.dev',
+        name: 'crazy-max'
+      },
+      ref: 'refs/heads/dev',
+      repository: {
+        allow_forking: true,
+        archive_url: 'https://api.github.com/repos/docker/test-docker-action/{archive_format}{/ref}',
+        archived: false,
+        assignees_url: 'https://api.github.com/repos/docker/test-docker-action/assignees{/user}',
+        blobs_url: 'https://api.github.com/repos/docker/test-docker-action/git/blobs{/sha}',
+        branches_url: 'https://api.github.com/repos/docker/test-docker-action/branches{/branch}',
+        clone_url: 'https://github.com/docker/test-docker-action.git',
+        collaborators_url: 'https://api.github.com/repos/docker/test-docker-action/collaborators{/collaborator}',
+        comments_url: 'https://api.github.com/repos/docker/test-docker-action/comments{/number}',
+        commits_url: 'https://api.github.com/repos/docker/test-docker-action/commits{/sha}',
+        compare_url: 'https://api.github.com/repos/docker/test-docker-action/compare/{base}...{head}',
+        contents_url: 'https://api.github.com/repos/docker/test-docker-action/contents/{+path}',
+        contributors_url: 'https://api.github.com/repos/docker/test-docker-action/contributors',
+        created_at: 1596792180,
+        default_branch: 'master',
+        deployments_url: 'https://api.github.com/repos/docker/test-docker-action/deployments',
+        description: 'Test "Docker" Actions',
+        disabled: false,
+        downloads_url: 'https://api.github.com/repos/docker/test-docker-action/downloads',
+        events_url: 'https://api.github.com/repos/docker/test-docker-action/events',
+        fork: false,
+        forks: 1,
+        forks_count: 1,
+        forks_url: 'https://api.github.com/repos/docker/test-docker-action/forks',
+        full_name: 'docker/test-docker-action',
+        git_commits_url: 'https://api.github.com/repos/docker/test-docker-action/git/commits{/sha}',
+        git_refs_url: 'https://api.github.com/repos/docker/test-docker-action/git/refs{/sha}',
+        git_tags_url: 'https://api.github.com/repos/docker/test-docker-action/git/tags{/sha}',
+        git_url: 'git://github.com/docker/test-docker-action.git',
+        has_downloads: true,
+        has_issues: true,
+        has_pages: false,
+        has_projects: true,
+        has_wiki: true,
+        homepage: '',
+        hooks_url: 'https://api.github.com/repos/docker/test-docker-action/hooks',
+        html_url: 'https://github.com/docker/test-docker-action',
+        id: 285789493,
+        is_template: false,
+        issue_comment_url: 'https://api.github.com/repos/docker/test-docker-action/issues/comments{/number}',
+        issue_events_url: 'https://api.github.com/repos/docker/test-docker-action/issues/events{/number}',
+        issues_url: 'https://api.github.com/repos/docker/test-docker-action/issues{/number}',
+        keys_url: 'https://api.github.com/repos/docker/test-docker-action/keys{/key_id}',
+        labels_url: 'https://api.github.com/repos/docker/test-docker-action/labels{/name}',
+        language: 'JavaScript',
+        languages_url: 'https://api.github.com/repos/docker/test-docker-action/languages',
+        license: {
+          key: 'mit',
+          name: 'MIT License',
+          node_id: 'MDc6TGljZW5zZTEz',
+          spdx_id: 'MIT',
+          url: 'https://api.github.com/licenses/mit'
+        },
+        master_branch: 'master',
+        merges_url: 'https://api.github.com/repos/docker/test-docker-action/merges',
+        milestones_url: 'https://api.github.com/repos/docker/test-docker-action/milestones{/number}',
+        mirror_url: null,
+        name: 'test-docker-action',
+        node_id: 'MDEwOlJlcG9zaXRvcnkyODU3ODk0OTM=',
+        notifications_url: 'https://api.github.com/repos/docker/test-docker-action/notifications{?since,all,participating}',
+        open_issues: 6,
+        open_issues_count: 6,
+        organization: 'docker',
+        owner: {
+          avatar_url: 'https://avatars.githubusercontent.com/u/5429470?v=4',
+          email: 'info@docker.com',
+          events_url: 'https://api.github.com/users/docker/events{/privacy}',
+          followers_url: 'https://api.github.com/users/docker/followers',
+          following_url: 'https://api.github.com/users/docker/following{/other_user}',
+          gists_url: 'https://api.github.com/users/docker/gists{/gist_id}',
+          gravatar_id: '',
+          html_url: 'https://github.com/docker',
+          id: 5429470,
+          login: 'docker',
+          name: 'docker',
+          node_id: 'MDEyOk9yZ2FuaXphdGlvbjU0Mjk0NzA=',
+          organizations_url: 'https://api.github.com/users/docker/orgs',
+          received_events_url: 'https://api.github.com/users/docker/received_events',
+          repos_url: 'https://api.github.com/users/docker/repos',
+          site_admin: false,
+          starred_url: 'https://api.github.com/users/docker/starred{/owner}{/repo}',
+          subscriptions_url: 'https://api.github.com/users/docker/subscriptions',
+          type: 'Organization',
+          url: 'https://api.github.com/users/docker'
+        },
+        private: true,
+        pulls_url: 'https://api.github.com/repos/docker/test-docker-action/pulls{/number}',
+        pushed_at: 1650360446,
+        releases_url: 'https://api.github.com/repos/docker/test-docker-action/releases{/id}',
+        size: 796,
+        ssh_url: 'git@github.com:docker/test-docker-action.git',
+        stargazers: 0,
+        stargazers_count: 0,
+        stargazers_url: 'https://api.github.com/repos/docker/test-docker-action/stargazers',
+        statuses_url: 'https://api.github.com/repos/docker/test-docker-action/statuses/{sha}',
+        subscribers_url: 'https://api.github.com/repos/docker/test-docker-action/subscribers',
+        subscription_url: 'https://api.github.com/repos/docker/test-docker-action/subscription',
+        svn_url: 'https://github.com/docker/test-docker-action',
+        tags_url: 'https://api.github.com/repos/docker/test-docker-action/tags',
+        teams_url: 'https://api.github.com/repos/docker/test-docker-action/teams',
+        topics: [],
+        trees_url: 'https://api.github.com/repos/docker/test-docker-action/git/trees{/sha}',
+        updated_at: '2022-04-19T09:05:09Z',
+        url: 'https://github.com/docker/test-docker-action',
+        visibility: 'private',
+        watchers: 0,
+        watchers_count: 0
+      },
+      sender: {
+        avatar_url: 'https://avatars.githubusercontent.com/u/1951866?v=4',
+        events_url: 'https://api.github.com/users/crazy-max/events{/privacy}',
+        followers_url: 'https://api.github.com/users/crazy-max/followers',
+        following_url: 'https://api.github.com/users/crazy-max/following{/other_user}',
+        gists_url: 'https://api.github.com/users/crazy-max/gists{/gist_id}',
+        gravatar_id: '',
+        html_url: 'https://github.com/crazy-max',
+        id: 1951866,
+        login: 'crazy-max',
+        node_id: 'MDQ6VXNlcjE5NTE4NjY=',
+        organizations_url: 'https://api.github.com/users/crazy-max/orgs',
+        received_events_url: 'https://api.github.com/users/crazy-max/received_events',
+        repos_url: 'https://api.github.com/users/crazy-max/repos',
+        site_admin: false,
+        starred_url: 'https://api.github.com/users/crazy-max/starred{/owner}{/repo}',
+        subscriptions_url: 'https://api.github.com/users/crazy-max/subscriptions',
+        type: 'User',
+        url: 'https://api.github.com/users/crazy-max'
+      }
+    }
+  },
+  getOctokit: vi.fn()
+};
+
+vi.mock('@actions/github', () => githubMock);
+vi.doMock(require.resolve('@docker/actions-toolkit/node_modules/@actions/github'), () => githubMock);
+
+for (const mod of ['@actions/github', '@docker/actions-toolkit/node_modules/@actions/github']) {
+  try {
+    const resolved = require.resolve(mod);
+    require.cache[resolved] = {
+      id: resolved,
+      filename: resolved,
+      loaded: true,
+      exports: githubMock,
+      children: [],
+      paths: []
+    } as unknown as NodeModule;
+  } catch {
+    // Ignore unresolved optional paths; vi.mock handles module-level mocking.
+  }
+}
--- a/dev.Dockerfile
+++ b/dev.Dockerfile
@ -74,7 +74,7 @@ FROM deps AS test
 RUN --mount=type=bind,target=.,rw \
  --mount=type=cache,target=/src/.yarn/cache \
  --mount=type=cache,target=/src/node_modules \
-  yarn run test --coverage --coverageDirectory=/tmp/coverage
+  yarn run test --coverage --coverage.reportsDirectory=/tmp/coverage

 FROM scratch AS test-coverage
 COPY --from=test /tmp/coverage /
--- a/eslint.config.js
+++ b/eslint.config.js
@ -2,7 +2,7 @@
 const {defineConfig, globalIgnores} = require('eslint/config');
 const {fixupConfigRules, fixupPluginRules} = require('@eslint/compat');
 const typescriptEslint = require('@typescript-eslint/eslint-plugin');
-const jestPlugin = require('eslint-plugin-jest');
+const vitestPlugin = require('@vitest/eslint-plugin');
 const prettier = require('eslint-plugin-prettier');
 const globals = require('globals');
 const tsParser = require('@typescript-eslint/parser');
@ -25,21 +25,21 @@ module.exports = defineConfig([
        'eslint:recommended',
        'plugin:@typescript-eslint/eslint-recommended',
        'plugin:@typescript-eslint/recommended',
-        'plugin:jest/recommended',
+        'plugin:@vitest/legacy-recommended',
        'plugin:prettier/recommended'
      )
    ),

    plugins: {
      '@typescript-eslint': fixupPluginRules(typescriptEslint),
-      jest: fixupPluginRules(jestPlugin),
+      '@vitest': fixupPluginRules(vitestPlugin),
      prettier: fixupPluginRules(prettier)
    },

    languageOptions: {
      globals: {
        ...globals.node,
-        ...globals.jest
+        ...vitestPlugin.environments.env.globals
      },
      parser: tsParser,
      ecmaVersion: 'latest',
--- a/jest.config.js
+++ b/jest.config.js
@ -1,29 +0,0 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
-const fs = require('fs');
-const os = require('os');
-const path = require('path');
-
-const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-action-'));
-
-process.env = Object.assign({}, process.env, {
-  TEMP: tmpDir,
-  GITHUB_REPOSITORY: 'docker/build-push-action',
-  RUNNER_TEMP: path.join(tmpDir, 'runner-temp'),
-  RUNNER_TOOL_CACHE: path.join(tmpDir, 'runner-tool-cache')
-});
-
-module.exports = {
-  clearMocks: false,
-  testEnvironment: 'node',
-  moduleFileExtensions: ['js', 'ts'],
-  testMatch: ['**/*.test.ts'],
-  transform: {
-    '^.+\\.ts$': 'ts-jest'
-  },
-  moduleNameMapper: {
-    '^csv-parse/sync': '<rootDir>/node_modules/csv-parse/dist/cjs/sync.cjs'
-  },
-  collectCoverageFrom: ['src/**/{!(main.ts),}.ts'],
-  coveragePathIgnorePatterns: ['lib/', 'node_modules/', '__mocks__/', '__tests__/'],
-  verbose: true
-};
--- a/package.json
+++ b/package.json
@ -10,7 +10,7 @@
    "eslint:fix": "eslint --fix .",
    "prettier": "prettier --check \"./**/*.ts\"",
    "prettier:fix": "prettier --write \"./**/*.ts\"",
-    "test": "jest"
+    "test": "vitest run"
  },
  "repository": {
    "type": "git",
@ -38,14 +38,14 @@
    "@typescript-eslint/eslint-plugin": "^8.50.0",
    "@typescript-eslint/parser": "^8.50.0",
    "@vercel/ncc": "^0.38.4",
+    "@vitest/coverage-v8": "^4.0.18",
+    "@vitest/eslint-plugin": "^1.6.9",
    "eslint": "^9.39.2",
    "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-jest": "^29.5.0",
    "eslint-plugin-prettier": "^5.5.4",
-    "jest": "^30.2.0",
    "prettier": "^3.7.4",
-    "ts-jest": "^29.4.6",
    "ts-node": "^10.9.2",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.18"
  }
 }
--- a/vitest.config.ts
+++ b/vitest.config.ts
@ -0,0 +1,16 @@
+import {defineConfig} from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    clearMocks: true,
+    environment: 'node',
+    setupFiles: ['./__tests__/setup.unit.ts'],
+    include: ['**/*.test.ts'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['clover'],
+      include: ['src/**/*.ts'],
+      exclude: ['src/**/main.ts']
+    }
+  }
+});
--- a/yarn.lock
+++ b/yarn.lock