After enabling the CSS style in the unit tests of my Angular app, I noticed that every time a component displaying a modal from ngx-bootstrap appears, it remains visible in the browser even after the unit tests for that component have completed running.
This issue makes it difficult to visually assess the execution of other tests and analyze the test results effectively:
UPDATE: code has been revised for ngx-bootstrap 6+ compatibility. Refer to the latest version below:
To ensure modals are hidden after running tests that may display modals, implement the following solution:
import { BsModalService } from 'ngx-bootstrap';
// define your tests...
afterEach(() => {
const modalService: BsModalService = TestBed.inject(BsModalService);
modalService.hide();
});
This approach utilizes the hide() method from the BsModalService.
A handy utility function that can be utilized across tests can be created for closing modals after each test:
export function closeModalsAfterEach() {
afterEach(() => {
const modalService: BsModalService = TestBed.inject(BsModalService);
modalService.hide();
});
}
Previously functional solution for ngx-bootstrap versions up to 5
import { BsModalService } from 'ngx-bootstrap';
// define your tests...
afterEach(() => {
const modalService: BsModalService = TestBed.get(BsModalService);
modalService.hide(1);
});
export function closeModalsAfterEach(upToLevel: number = 1) {
afterEach(() => {
const modalService: BsModalService = TestBed.get(BsModalService);
for (let level = 1; level <= upToLevel; level++) {
modalService.hide(level);
}
});
}
One way to get rid of it is by removing it from the DOM
afterEach(() => {
// const modalService: BsModalService = TestBed.get(BsModalService);
// modalService.hide(1);
const htmlCollection = document.getElementsByTagName('modal-container');
if (htmlCollection.length > 0 && htmlCollection[0] != null)
htmlCollection[0].remove();
});
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