45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
import { setHTMLFixture, resetHTMLFixture } from 'jest/__helpers__/fixtures';
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import initCheckFormState from '~/pages/projects/merge_requests/edit/check_form_state';
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describe('Check form state', () => {
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const findInput = () => document.querySelector('#form-input');
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let beforeUnloadEvent;
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let setDialogContent;
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beforeEach(() => {
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setHTMLFixture(`
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<form class="merge-request-form">
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<input type="text" name="test" id="form-input"/>
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</form>`);
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beforeUnloadEvent = new Event('beforeunload');
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jest.spyOn(beforeUnloadEvent, 'preventDefault');
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setDialogContent = jest.spyOn(beforeUnloadEvent, 'returnValue', 'set');
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initCheckFormState();
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});
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afterEach(() => {
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beforeUnloadEvent.preventDefault.mockRestore();
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setDialogContent.mockRestore();
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resetHTMLFixture();
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});
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it('shows confirmation dialog when there are unsaved changes', () => {
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findInput().value = 'value changed';
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window.dispatchEvent(beforeUnloadEvent);
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expect(beforeUnloadEvent.preventDefault).toHaveBeenCalled();
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expect(setDialogContent).toHaveBeenCalledWith('');
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});
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it('does not show confirmation dialog when there are no unsaved changes', () => {
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window.dispatchEvent(beforeUnloadEvent);
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expect(beforeUnloadEvent.preventDefault).not.toHaveBeenCalled();
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expect(setDialogContent).not.toHaveBeenCalled();
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});
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});
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