fix(@angular-devkit/build-angular): add a base href to karma debug context #19119
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alan-agius4
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Oct 19, 2020
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Thanks, for this @IxquitilisSaid, LGTM.
One small NIT, can you please add the PR description as part of the commit message body and add Closes #19116 as the commit message footer.
See: https://github.com/angular/angular-cli/blob/master/CONTRIBUTING.md#commit for more info.
alan-agius4
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This commits adds a base href value in the karma context iframe used to run unit tests where a unit test throws:
No base href set. Please provide a value for the APP_BASE_HREF token or add a base element to the document.
Even if the application is fine.
This is because the index.html from Angular CLI contains a base href value, but not the Karma context iframe.
So when adding a unit test with a testing module that imports a NgModule, for example AppModule,
which itself imports RouterModule, the unit test used to throw an error (regression appeared in router 3.1).
That could be solved by either adding `RouterTestingModule` to the testing module,
or by adding a provider `{ provide: APP_BASE_HREF, useValue: '/' }`, but required to understand the issue.
This solves the issue in a transparent way: developers won't even encounter the problem anymore.
Closes angular#19116
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@alan-agius4 I've updated the commit message, hopefully didn't mess it up. |
alan-agius4
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Oct 19, 2020
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@googlebot ping! |
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This commits adds a base href value in the karma context iframe used to run unit tests.
It solves #19116 where a unit test throws:
Even if the application is fine. This is because the index.html from Angular CLI contains a base href value, but not the Karma context iframe. So when adding a unit test with a testing module that imports a NgModule, for example AppModule, which itself imports RouterModule, the unit test used to throw an error (regression appeared in router 3.1).
That could be solved by either adding
RouterTestingModuleto the testing module, or by adding a provider{ provide: APP_BASE_HREF, useValue: '/' }, but required to understand the issue.This solves the issue in a transparent way: developers won't even encounter the problem anymore.