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tasks.ts
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tasks.ts
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import type { ChainableFunction } from '../runtime/chain'
import type { Awaitable, ErrorWithDiff } from './general'
import type { UserConsoleLog } from '.'
export type RunMode = 'run' | 'skip' | 'only' | 'todo'
export type TaskState = RunMode | 'pass' | 'fail'
export interface TaskBase {
id: string
name: string
mode: RunMode
concurrent?: boolean
suite?: Suite
file?: File
result?: TaskResult
logs?: UserConsoleLog[]
}
export interface TaskResult {
state: TaskState
duration?: number
startTime?: number
heap?: number
error?: ErrorWithDiff
htmlError?: string
hooks?: Partial<Record<keyof SuiteHooks, TaskState>>
}
export type TaskResultPack = [id: string, result: TaskResult | undefined]
export interface Suite extends TaskBase {
type: 'suite'
tasks: Task[]
filepath?: string
}
export interface File extends Suite {
filepath: string
collectDuration?: number
}
export interface Test<ExtraContext = {}> extends TaskBase {
type: 'test'
suite: Suite
result?: TaskResult
fails?: boolean
context: TestContext & ExtraContext
}
export type Task = Test | Suite | File
export type DoneCallback = (error?: any) => void
export type TestFunction<ExtraContext = {}> = (context: TestContext & ExtraContext) => Awaitable<any> | void
// jest's ExtractEachCallbackArgs
type ExtractEachCallbackArgs<T extends ReadonlyArray<any>> = {
1: [T[0]]
2: [T[0], T[1]]
3: [T[0], T[1], T[2]]
4: [T[0], T[1], T[2], T[3]]
5: [T[0], T[1], T[2], T[3], T[4]]
6: [T[0], T[1], T[2], T[3], T[4], T[5]]
7: [T[0], T[1], T[2], T[3], T[4], T[5], T[6]]
8: [T[0], T[1], T[2], T[3], T[4], T[5], T[6], T[7]]
9: [T[0], T[1], T[2], T[3], T[4], T[5], T[6], T[7], T[8]]
10: [T[0], T[1], T[2], T[3], T[4], T[5], T[6], T[7], T[8], T[9]]
fallback: Array<T extends ReadonlyArray<infer U> ? U : any>
}[T extends Readonly<[any]>
? 1
: T extends Readonly<[any, any]>
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: T extends Readonly<[any, any, any]>
? 3
: T extends Readonly<[any, any, any, any]>
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: T extends Readonly<[any, any, any, any, any]>
? 5
: T extends Readonly<[any, any, any, any, any, any]>
? 6
: T extends Readonly<[any, any, any, any, any, any, any]>
? 7
: T extends Readonly<[any, any, any, any, any, any, any, any]>
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: T extends Readonly<[any, any, any, any, any, any, any, any, any]>
? 9
: T extends Readonly<[any, any, any, any, any, any, any, any, any, any]>
? 10
: 'fallback']
interface EachFunction {
<T extends any[] | [any]>(cases: ReadonlyArray<T>): (
name: string,
fn: (...args: T) => Awaitable<void>
) => void
<T extends ReadonlyArray<any>>(cases: ReadonlyArray<T>): (
name: string,
fn: (...args: ExtractEachCallbackArgs<T>) => Awaitable<void>
) => void
<T>(cases: ReadonlyArray<T>): (
name: string,
fn: (...args: T[]) => Awaitable<void>
) => void
}
export type TestAPI<ExtraContext = {}> = ChainableFunction<
'concurrent' | 'only' | 'skip' | 'todo' | 'fails',
[name: string, fn?: TestFunction<ExtraContext>, timeout?: number],
void
> & {
each: EachFunction
skipIf(condition: any): TestAPI<ExtraContext>
runIf(condition: any): TestAPI<ExtraContext>
}
export type SuiteAPI<ExtraContext = {}> = ChainableFunction<
'concurrent' | 'only' | 'skip' | 'todo',
[name: string, factory?: SuiteFactory],
SuiteCollector<ExtraContext>
> & {
each: EachFunction
skipIf(condition: any): SuiteAPI<ExtraContext>
runIf(condition: any): SuiteAPI<ExtraContext>
}
export type HookListener<T extends any[], Return = void> = (...args: T) => Awaitable<Return>
export type HookCleanupCallback = (() => Awaitable<unknown>) | void
export interface SuiteHooks {
beforeAll: HookListener<[Suite | File], HookCleanupCallback>[]
afterAll: HookListener<[Suite | File]>[]
beforeEach: HookListener<[TestContext, Suite], HookCleanupCallback>[]
afterEach: HookListener<[TestContext, Suite]>[]
}
export interface SuiteCollector<ExtraContext = {}> {
readonly name: string
readonly mode: RunMode
type: 'collector'
test: TestAPI<ExtraContext>
tasks: (Suite | Test | SuiteCollector<ExtraContext>)[]
collect: (file?: File) => Promise<Suite>
clear: () => void
on: <T extends keyof SuiteHooks>(name: T, ...fn: SuiteHooks[T]) => void
}
export type SuiteFactory = (test: (name: string, fn: TestFunction) => void) => Awaitable<void>
export interface RuntimeContext {
tasks: (SuiteCollector | Test)[]
currentSuite: SuiteCollector | null
}
export interface TestContext {
/**
* @deprecated Use promise instead
*/
(error?: any): void
/**
* Metadata of the current test
*/
meta: Readonly<Test>
/**
* A expect instance bound to the test
*/
expect: Vi.ExpectStatic
}