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feat(await-async-events): instance of userEvent is recognized as async #830

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@Kvanttinen Kvanttinen commented Oct 15, 2023

Checks

Changes

Adds a feature that events from the instance of userEvent are recognized as async events.

Example:
const user = userEvent.setup();
user.click(button);

The 'user' will be flagged in this case.

Context

Closes #812

My first open source PR, and not used to GitHub that much, so there might be some errors with the process. Changes itself are quite simple, but I didn't find a more elegant way to do that.

@Kvanttinen Kvanttinen marked this pull request as draft October 15, 2023 16:05
@Kvanttinen Kvanttinen force-pushed the pr/await-async-events-rule-validates-userevent-session branch from 89e5f97 to f28f7e1 Compare October 15, 2023 16:41
@Kvanttinen Kvanttinen marked this pull request as ready for review October 15, 2023 16:52
@Belco90 Belco90 self-requested a review October 16, 2023 06:48
@Kvanttinen Kvanttinen force-pushed the pr/await-async-events-rule-validates-userevent-session branch from f28f7e1 to 8ba464f Compare October 16, 2023 11:44
@ka2jun8
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ka2jun8 commented Dec 19, 2023

any updates?

@Belco90
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Belco90 commented Jan 12, 2024

@ka2jun8 Sorry for the late response! I'll review this soon.

feat(await-async-events): added comments

feat(await-async-events): better test case

feat(await-async-events): edge case fixed, test added

feat(await-async-events): use actual userEvent import for check, tests
@Belco90 Belco90 force-pushed the pr/await-async-events-rule-validates-userevent-session branch from 8f1e313 to 636dee8 Compare January 12, 2024 12:41
Comment on lines +336 to +341
const getUserEventImportIdentifier = (node: ImportModuleNode | null) => {
if (!node) {
return null;
}

if (isImportDeclaration(node)) {
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This function should always receive a node. If the node is not available, then avoid calling this function in the corresponding code.

Suggested change
const getUserEventImportIdentifier = (node: ImportModuleNode | null) => {
if (!node) {
return null;
}
if (isImportDeclaration(node)) {
const getUserEventImportIdentifier = (node: ImportModuleNode) => {
if (isImportDeclaration(node)) {

}

return null;
return getUserEventImportIdentifier(importedUserEventLibraryNode);
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Here you should call getUserEventImportIdentifier only if importedUserEventLibraryNode exists.

Comment on lines +703 to +711
if (
token.type === 'Identifier' &&
token.value === userEventImport.name &&
tokensAndComments[index + 1].value === '.' &&
tokensAndComments[index + 2].value === 'setup' &&
tokensAndComments[index + 3].value === '(' &&
tokensAndComments[index - 1].value === '='
) {
return tokensAndComments[index - 2].value;
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This looks a bit brittle and hardcoded… I'm trying to think a better way to implement this in a more generic way with AST selectors.

* Finds if the userEvent is used as an instance
*/

export function getUserEventInstance(
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I think this one should belong to the detect-testing-library-utils too.

@@ -32,7 +32,7 @@ const USER_EVENT_ASYNC_FUNCTIONS = [
'upload',
] as const;
const FIRE_EVENT_ASYNC_FRAMEWORKS = [
'@testing-library/vue',
// '@testing-library/vue',
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This shouldn't be commented.

@Belco90
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Belco90 commented Jan 12, 2024

I gave it a first round. After the changes requested are applied, I'll give it another round.

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await-async-events doesn't seem to check calls from user sessions returned by userEvent.setup()
3 participants