Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion docs/rules/await-async-queries.md
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ problems in the tests. The promise will be considered as handled when:

- using the `await` operator
- wrapped within `Promise.all` or `Promise.allSettled` methods
- chaining the `then` method
- chaining the `then` or `catch` method
- chaining `resolves` or `rejects` from jest
- chaining `toResolve()` or `toReject()` from [jest-extended](https://github.com/jest-community/jest-extended#promise)
- chaining jasmine [async matchers](https://jasmine.github.io/api/edge/async-matchers.html)
Expand Down
2 changes: 1 addition & 1 deletion docs/rules/await-async-utils.md
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ problems in the tests. The promise will be considered as handled when:

- using the `await` operator
- wrapped within `Promise.all` or `Promise.allSettled` methods
- chaining the `then` method
- chaining the `then` or `catch` method
- chaining `resolves` or `rejects` from jest
- chaining `toResolve()` or `toReject()` from [jest-extended](https://github.com/jest-community/jest-extended#promise)
- chaining jasmine [async matchers](https://jasmine.github.io/api/edge/async-matchers.html)
Expand Down
22 changes: 15 additions & 7 deletions lib/node-utils/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -151,16 +151,24 @@ export function hasThenProperty(node: TSESTree.Node): boolean {
);
}

export function hasChainedThen(node: TSESTree.Node): boolean {
export function hasPromiseHandlerProperty(node: TSESTree.Node): boolean {
return (
isMemberExpression(node) &&
ASTUtils.isIdentifier(node.property) &&
['then', 'catch'].includes(node.property.name)
);
}

export function hasChainedPromiseHandler(node: TSESTree.Node): boolean {
const parent = node.parent;

// wait(...).then(...)
// wait(...).then(...) or wait(...).catch(...)
if (isCallExpression(parent) && parent.parent) {
return hasThenProperty(parent.parent);
return hasPromiseHandlerProperty(parent.parent);
}

// promise.then(...)
return !!parent && hasThenProperty(parent);
// promise.then(...) or promise.catch(...)
return !!parent && hasPromiseHandlerProperty(parent);
}

export function isPromiseIdentifier(
Expand Down Expand Up @@ -214,7 +222,7 @@ export function isPromisesArrayResolved(node: TSESTree.Node): boolean {
* - it belongs to the `await` expression
* - it belongs to the `Promise.all` method
* - it belongs to the `Promise.allSettled` method
* - it's chained with the `then` method
* - it's chained with the `then` or `catch` method
* - it's returned from a function
* - has `resolves` or `rejects` jest methods
* - has `toResolve` or `toReject` jest-extended matchers
Expand Down Expand Up @@ -243,7 +251,7 @@ export function isPromiseHandled(nodeIdentifier: TSESTree.Identifier): boolean {
)
return true;
if (hasClosestExpectHandlesPromise(node.parent)) return true;
if (hasChainedThen(node)) return true;
if (hasChainedPromiseHandler(node)) return true;
if (isPromisesArrayResolved(node)) return true;
});
}
Expand Down
20 changes: 20 additions & 0 deletions tests/lib/rules/await-async-events.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,16 @@ ruleTester.run(RULE_NAME, rule, {
fireEvent.${eventMethod}(getByLabelText('username')).then(() => { done() })
})
})
`,
options: [{ eventModule: 'fireEvent' }] as const,
})),
...FIRE_EVENT_ASYNC_FUNCTIONS.map((eventMethod) => ({
code: `
import { fireEvent } from '${testingFramework}'
test('chain catch method to promise from event method is valid', async (done) => {
fireEvent.${eventMethod}(getByLabelText('username'))
.catch((error) => { done() })
})
`,
options: [{ eventModule: 'fireEvent' }] as const,
})),
Expand Down Expand Up @@ -330,6 +340,16 @@ ruleTester.run(RULE_NAME, rule, {
...USER_EVENT_ASYNC_FUNCTIONS.map((eventMethod) => ({
code: `
import userEvent from '${testingFramework}'
test('chain catch method to promise from event method is valid', async (done) => {
userEvent.${eventMethod}(getByLabelText('username'))
.catch((error) => { done() })
})
`,
options: [{ eventModule: 'userEvent' }] as const,
})),
...USER_EVENT_ASYNC_FUNCTIONS.map((eventMethod) => ({
code: `
import userEvent from '${testingFramework}'
test('chain then method to several promises from event methods is valid', async (done) => {
userEvent.${eventMethod}(getByLabelText('username')).then(() => {
userEvent.${eventMethod}(getByLabelText('username')).then(() => { done() })
Expand Down
9 changes: 9 additions & 0 deletions tests/lib/rules/await-async-queries.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,15 @@ ruleTester.run(RULE_NAME, rule, {
`
),

// async queries are valid with catch
...createTestCase(
(query) => `
${query}('foo').catch((error) => {
expect(error.message).toMatch(/my error message/)
})
`
),

// async queries are valid when wrapped within Promise.all + await expression
...createTestCase(
(query) => `
Expand Down
9 changes: 9 additions & 0 deletions tests/lib/rules/await-async-utils.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,15 @@ ruleTester.run(RULE_NAME, rule, {
doSomethingElse();
${asyncUtil}(() => getByLabelText('email')).then(() => { console.log('done') });
});
`,
})),
...ASYNC_UTILS.map((asyncUtil) => ({
code: `
import { ${asyncUtil} } from '${testingFramework}';
test('${asyncUtil} util directly chained with catch is valid', () => {
doSomethingElse();
${asyncUtil}(() => getByLabelText('email')).catch((error) => { console.log('done') });
});
`,
})),
...ASYNC_UTILS.map((asyncUtil) => ({
Expand Down