playwright/docs/src/test-api/class-testinfoerror.md

# class: TestInfoError
* since: v1.10
* langs: js

Information about an error thrown during test execution.

## property: TestInfoError.cause
* since: v1.49
- type: ?<[TestInfoError]>

Error cause. Set when there is a [cause](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/cause) for the error. Will be `undefined` if there is no cause or if the cause is not an instance of [Error].

## property: TestInfoError.message
* since: v1.10
- type: ?<[string]>

Error message. Set when [Error] (or its subclass) has been thrown.

## property: TestInfoError.stack
* since: v1.10
- type: ?<[string]>

Error stack. Set when [Error] (or its subclass) has been thrown.

## property: TestInfoError.value
* since: v1.10
- type: ?<[string]>

The value that was thrown. Set when anything except the [Error] (or its subclass) has been thrown.
chore: report error location for fatal errors (#19610) 2022-12-21 09:36:59 -08:00			`# class: TestInfoError`
docs: annotate since (#15386) 2022-07-05 16:24:50 -08:00			`* since: v1.10`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00			`* langs: js`

			`Information about an error thrown during test execution.`

feat(pwt): serialize and expose Error.cause from Worker process (#32833) 2024-10-29 00:01:59 +01:00			`## property: TestInfoError.cause`
			`* since: v1.49`
			`- type: ?<[TestInfoError]>`

			Error cause. Set when there is a [cause](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/cause) for the error. Will be `undefined` if there is no cause or if the cause is not an instance of [Error].

chore: report error location for fatal errors (#19610) 2022-12-21 09:36:59 -08:00			`## property: TestInfoError.message`
docs: annotate since (#15386) 2022-07-05 16:24:50 -08:00			`* since: v1.10`
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`- type: ?<[string]>`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`Error message. Set when [Error] (or its subclass) has been thrown.`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00
chore: report error location for fatal errors (#19610) 2022-12-21 09:36:59 -08:00			`## property: TestInfoError.stack`
docs: annotate since (#15386) 2022-07-05 16:24:50 -08:00			`* since: v1.10`
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`- type: ?<[string]>`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`Error stack. Set when [Error] (or its subclass) has been thrown.`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00
chore: report error location for fatal errors (#19610) 2022-12-21 09:36:59 -08:00			`## property: TestInfoError.value`
docs: annotate since (#15386) 2022-07-05 16:24:50 -08:00			`* since: v1.10`
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`- type: ?<[string]>`
docs(test runner): api reference for reporter api (#7811) 2021-07-22 19:56:36 -07:00
docs: mark optional properties/arguments explicitly with "?" (#13369) Previously, we were guessing whether something is optional from the comment (looking for stuff like "defaults to" or "optional"). To remove this error-prone technique, every optional property or argument (but not option) is explicitly marked with "?". 2022-04-06 19:02:10 -07:00			`The value that was thrown. Set when anything except the [Error] (or its subclass) has been thrown.`