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Update tests to use most recent jest and supporting libraries

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This commit is contained in:
Ryan Ahearn
2022-10-27 11:12:39 -04:00
parent 98b772f959
commit bb2d57b27b
14 changed files with 1080 additions and 109 deletions
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20
tests/javascripts/support/helpers/forms.js
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@@ -1,6 +1,6 @@
// helper for spying on the submit method on a form element
// JSDOM's implementation of submit just wraps a 'not implemented' error so we need to mock that to track calls to it
// helper for spying on the submit method on a form element, via the event's `preventDefault` method
// JSDOM's implementation of requestSubmit triggers the submit event but then throws an error unless the submit handler returns false
//
// * Remove when JSDOM implements submit on its form elements *
//
@@ -11,7 +11,9 @@
//
// form elements link to their implementation instance via a symbol property
// this spies on the submit method of the implementation instance for a form element and mocks it to prevent 'not implemented' errors
function spyOnFormSubmit (jest, form) {
// it returns a spy on the event preventDefault function because submit is called every time, no matter if they submission will happen or not
function spyOnFormSubmitEventPrevention (jest, form) {
const formImplementationSymbols = Object.getOwnPropertySymbols(form).filter(
symbol => form[symbol].constructor.name === 'HTMLFormElementImpl'
@@ -23,11 +25,15 @@ function spyOnFormSubmit (jest, form) {
const HTMLFormElementImpl = form[formImplementationSymbols[0]];
const submitSpy = jest.spyOn(HTMLFormElementImpl, 'submit')
const event = new Event("submit", {bubbles: true, cancelable: true})
const preventDefaultSpy = jest.spyOn(event, 'preventDefault')
submitSpy.mockImplementation();
return submitSpy;
const submitSpy = jest.spyOn(HTMLFormElementImpl, 'requestSubmit')
submitSpy.mockImplementation(() => {
form.dispatchEvent(event)
});
return preventDefaultSpy;
};
exports.spyOnFormSubmit = spyOnFormSubmit;
exports.spyOnFormSubmitEventPrevention = spyOnFormSubmitEventPrevention;