zone.js still refered to in test files

Open Beginner friendly

#366 opened on Nov 10, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 76/100

Issue type: Bug
Clarity: Clearly specified
Activity status: Active
Tech stack: angular, bun, typescript
Domain: frontend, testing-qa

Research direction

Start by reading src/test-setup.ts and the listed service spec files that import zone.js, then check the zoneless commit and test configuration. Run bun run test to confirm the missing import failure. Remove or update the obsolete test setup references consistently, and consider the issue done when the test suite runs successfully.

Written by the indexing model from the issue text.

Description

In commit 1e2b466 ("zoneless", 2026-01-27) zone.js was removed from package.json, component and directive files, however many test files still refer to it,

$ git grep zone.js src
src/app/core/auth/services/jwt.service.spec.ts:import 'zone.js';
src/app/core/auth/services/jwt.service.spec.ts:import 'zone.js/testing';
src/app/core/auth/services/user.service.spec.ts:import 'zone.js';
src/app/core/auth/services/user.service.spec.ts:import 'zone.js/testing';
src/app/features/article/services/articles.service.spec.ts:import 'zone.js';
src/app/features/article/services/articles.service.spec.ts:import 'zone.js/testing';
src/app/features/article/services/comments.service.spec.ts:import 'zone.js';
src/app/features/article/services/comments.service.spec.ts:import 'zone.js/testing';
src/app/features/article/services/tags.service.spec.ts:import 'zone.js';
src/app/features/article/services/tags.service.spec.ts:import 'zone.js/testing';
src/app/features/profile/services/profile.service.spec.ts:import 'zone.js';
src/app/features/profile/services/profile.service.spec.ts:import 'zone.js/testing';
src/test-setup.ts:import 'zone.js';
src/test-setup.ts:import 'zone.js/testing';

and attempting to run tests fails:

$ bun run test
$ vitest

 DEV  v4.1.6 C:/git/github/angular-realworld-example-app

 ❯ src/app/core/auth/services/jwt.service.spec.ts (0 test)
 ❯ src/app/features/article/services/articles.service.spec.ts (0 test)
 ❯ src/app/features/article/services/comments.service.spec.ts (0 test)
 ❯ src/app/core/auth/services/user.service.spec.ts (0 test)
 ❯ src/app/features/article/services/tags.service.spec.ts (0 test)
 ❯ src/app/features/profile/services/profile.service.spec.ts (0 test)

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ Failed Suites 6 ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯

 FAIL  src/app/core/auth/services/jwt.service.spec.ts [ src/app/core/auth/services/jwt.service.spec.ts ]
 FAIL  src/app/features/article/services/comments.service.spec.ts [ src/app/features/article/services/comments.service.spec.ts ]
Error: Failed to resolve import "zone.js" from "src/test-setup.ts". Does the file exist?
  Plugin: vite:import-analysis
  File: C:/git/github/angular-realworld-example-app/src/test-setup.ts:1:7
  1  |  import "zone.js";
     |          ^
  2  |  import "zone.js/testing";
  3  |  import { getTestBed } from "@angular/core/testing";
 ❯ TransformPluginContext._formatLog node_modules/vite/dist/node/chunks/config.js:29003:43
 ❯ TransformPluginContext.error node_modules/vite/dist/node/chunks/config.js:29000:14
 ❯ normalizeUrl node_modules/vite/dist/node/chunks/config.js:27123:18
 ❯ node_modules/vite/dist/node/chunks/config.js:27181:32
 ❯ TransformPluginContext.transform node_modules/vite/dist/node/chunks/config.js:27149:4
 ❯ EnvironmentPluginContainer.transform node_modules/vite/dist/node/chunks/config.js:28801:14
 ❯ loadAndTransform node_modules/vite/dist/node/chunks/config.js:22670:26

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯[1/6]⎯

 FAIL  src/app/core/auth/services/user.service.spec.ts [ src/app/core/auth/services/user.service.spec.ts ]
 FAIL  src/app/features/article/services/articles.service.spec.ts [ src/app/features/article/services/articles.service.spec.ts ]
 FAIL  src/app/features/article/services/tags.service.spec.ts [ src/app/features/article/services/tags.service.spec.ts ]
 FAIL  src/app/features/profile/services/profile.service.spec.ts [ src/app/features/profile/services/profile.service.spec.ts ]
Error: Failed to resolve import "zone.js" from "src/test-setup.ts". Does the file exist?
  Plugin: vite:import-analysis
  File: C:/git/github/angular-realworld-example-app/src/test-setup.ts:1:7
  1  |  import "zone.js";
     |          ^
  2  |  import "zone.js/testing";
  3  |  import { getTestBed } from "@angular/core/testing";
 ❯ TransformPluginContext._formatLog node_modules/vite/dist/node/chunks/config.js:29003:43
 ❯ TransformPluginContext.error node_modules/vite/dist/node/chunks/config.js:29000:14
 ❯ normalizeUrl node_modules/vite/dist/node/chunks/config.js:27123:18
 ❯ node_modules/vite/dist/node/chunks/config.js:27181:32
 ❯ TransformPluginContext.transform node_modules/vite/dist/node/chunks/config.js:27149:4
 ❯ EnvironmentPluginContainer.transform node_modules/vite/dist/node/chunks/config.js:28801:14
 ❯ loadAndTransform node_modules/vite/dist/node/chunks/config.js:22670:26
 ❯ fetchModule node_modules/vite/dist/node/chunks/config.js:33997:15

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯[2/6]⎯


 Test Files  6 failed (6)
      Tests  no tests
   Start at  15:40:10
   Duration  2.88s (transform 0ms, setup 0ms, import 0ms, tests 0ms, environment 6.45s)

 FAIL  Tests failed. Watching for file changes...

Has nobody run test since March and noticed that it is failing?

Dominant language: TypeScript
Stars: 5.7k
Forks: 3.5k
PR merge metrics: No merged PRs in 30d

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More TypeScript issues

zone.js still refered to in test files

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Assessment

Research direction

Description

Getting set up

First steps

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