NgMocksMatSelectIssue

This project was generated with Angular CLI version 9.1.10.

Instructions

AppComponent was changed to reproduce an issue when combining ng-mocks with mat-select component in unit tests.

To reproduce the issue, run ng test.

You should receive the following error:

Chrome Headless 83.0.4103.116 (Mac OS 10.14.6) AppComponent should create the app FAILED
        Error: No value accessor for form control with name: 'toppings'
            at _throwError (http://localhost:9876/_karma_webpack_/node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js:3576:1)
            at setUpControl (http://localhost:9876/_karma_webpack_/node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js:3400:1)
            at FormGroupDirective.addControl (http://localhost:9876/_karma_webpack_/node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js:7679:1)
            at FormControlName._setUpControl (http://localhost:9876/_karma_webpack_/node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js:8451:24)
            at FormControlName.ngOnChanges (http://localhost:9876/_karma_webpack_/node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js:8368:1)
            at FormControlName.wrapOnChangesHook_inPreviousChangesStorage (http://localhost:9876/_karma_webpack_/node_modules/@angular/core/__ivy_ngcc__/fesm2015/core.js:26966:1)
            at callHook (http://localhost:9876/_karma_webpack_/node_modules/@angular/core/__ivy_ngcc__/fesm2015/core.js:4730:1)
            at callHooks (http://localhost:9876/_karma_webpack_/node_modules/@angular/core/__ivy_ngcc__/fesm2015/core.js:4690:1)
            at executeInitAndCheckHooks (http://localhost:9876/_karma_webpack_/node_modules/@angular/core/__ivy_ngcc__/fesm2015/core.js:4630:1)

Development server

Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.

Code scaffolding

Run ng generate component component-name to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module.

Build

Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.

Running unit tests

Run ng test to execute the unit tests via Karma.

Running end-to-end tests

Run ng e2e to execute the end-to-end tests via Protractor.

Further help

To get more help on the Angular CLI use ng help or go check out the Angular CLI README.