Error during npm test after updating Angular

[madoar]

🐞 bug report

Affected Package

I believe the issue was introduced by one of the updated packages by ng update @angular/core @angular/cli.

Is this a regression?

Yes, the issue was not present in version 11.0.0

Description

After updating the Angular dependencies of the library angular-archwizard from 11.0.x to latest by executing ng update @angular/core @angular/cli, npm test fails with the following error message:

$ npm test

> [email protected] test ~/git/angular-archwizard
> ng test && ng test --tsConfig=tsconfig-noIvy.spec.json

Compiling @angular/compiler/testing : es2015 as esm2015
Compiling @angular/core : es2015 as esm2015
Compiling @angular/common : es2015 as esm2015
Compiling @angular/core/testing : es2015 as esm2015
Compiling @angular/platform-browser : es2015 as esm2015
Compiling @angular/platform-browser-dynamic : es2015 as esm2015
Compiling @angular/platform-browser/testing : es2015 as esm2015
Compiling @angular/platform-browser-dynamic/testing : es2015 as esm2015
⠋ Generating browser application bundles...21 02 2021 18:51:49.235:INFO [framework.detect-browsers]: The following browsers will be used: [ 'FirefoxHeadless' ]
⠙ Generating browser application bundles (phase: building)...21 02 2021 18:51:49.325:INFO [karma-server]: Karma v6.1.1 server started at http://localhost:9876/
21 02 2021 18:51:49.325:INFO [launcher]: Launching browsers FirefoxHeadless with concurrency unlimited
21 02 2021 18:51:49.327:INFO [launcher]: Starting browser FirefoxHeadless
✔ Browser application bundle generation complete.
21 02 2021 18:51:53.859:INFO [Firefox 85.0 (Linux x86_64)]: Connected on socket xICXANRpTidBS4xtAAAB with id 42976427
Firefox 85.0 (Linux x86_64) ERROR
  An error was thrown in afterAll
  ReferenceError: undefinedundefinedundefinedundefinedundefined is not defined
  ierq@http://localhost:9876/_karma_webpack_/main.js:5603:1
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  HACE@http://localhost:9876/_karma_webpack_/main.js:3229:100
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  uFF0@http://localhost:9876/_karma_webpack_/main.js:6561:109
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  llYR@http://localhost:9876/_karma_webpack_/main.js:5709:95
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  webpackContext@http://localhost:9876/_karma_webpack_/main.js:5298:9
  CB3P@http://localhost:9876/_karma_webpack_/main.js:2095:16
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  checkDeferredModules@http://localhost:9876/_karma_webpack_/main.js:46:23
  @http://localhost:9876/_karma_webpack_/main.js:153:18
  @http://localhost:9876/_karma_webpack_/main.js:156:10
Firefox 85.0 (Linux x86_64): Executed 0 of 0 ERROR (0.042 secs / 0 secs)
npm ERR! Test failed.  See above for more details.

🔬 Minimal Reproduction

1. clone angular-archwizard from https://github.com/madoar/angular-archwizard
2. install all required dependencies (npm install)
3. update all Angular dependencies (ng update @angular/core @angular/cli)
4. execute the tests npm test
5. see above error message in the terminal

🔥 Exception or Error

21 02 2021 18:51:53.859:INFO [Firefox 85.0 (Linux x86_64)]: Connected on socket xICXANRpTidBS4xtAAAB with id 42976427
Firefox 85.0 (Linux x86_64) ERROR
  An error was thrown in afterAll
  ReferenceError: undefinedundefinedundefinedundefinedundefined is not defined
  ierq@http://localhost:9876/_karma_webpack_/main.js:5603:1
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  HACE@http://localhost:9876/_karma_webpack_/main.js:3229:100
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  uFF0@http://localhost:9876/_karma_webpack_/main.js:6561:109
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  llYR@http://localhost:9876/_karma_webpack_/main.js:5709:95
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  webpackContext@http://localhost:9876/_karma_webpack_/main.js:5298:9
  CB3P@http://localhost:9876/_karma_webpack_/main.js:2095:16
  __webpack_require__@http://localhost:9876/_karma_webpack_/main.js:80:30
  checkDeferredModules@http://localhost:9876/_karma_webpack_/main.js:46:23
  @http://localhost:9876/_karma_webpack_/main.js:153:18
  @http://localhost:9876/_karma_webpack_/main.js:156:10
Firefox 85.0 (Linux x86_64): Executed 0 of 0 ERROR (0.042 secs / 0 secs)
npm ERR! Test failed.  See above for more details.

🌍 Your Environment

$ ng version

     _                      _                 ____ _     ___
    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/
    

Angular CLI: 11.2.1
Node: 14.15.5
OS: linux x64

Angular: 11.2.1
... animations, cli, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1102.1
@angular-devkit/build-angular   0.1102.1
@angular-devkit/core            11.2.1
@angular-devkit/schematics      11.2.1
@schematics/angular             11.2.1
@schematics/update              0.1102.1
rxjs                            6.6.3
typescript                      4.0.7

Anything else relevant?
For the tests Firefox has been used. I didn't test whether this issue also occurs with a different browser.

[alan-agius4]

The issue appears to be caused by declaration and declarationMap in the test pipeline.
https://github.com/madoar/angular-archwizard/blob/e3818d657818fd3ef9ac2fc8efa37b23dc106c68/tsconfig.spec.json#L5-L6

The mentioned options are only to be used when building a library.

In version 11.2, we introduced a new Webpack plugin and unlike previously now we pass these options to the TS compiler.

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