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type DocumentsRequest = {
status_filter?: 'pending' | 'processing' | 'preprocessed' | 'processed' | 'failed' | null
page: number
page_size: number
sort_field: 'created_at' | 'updated_at' | 'id' | 'file_path'
sort_direction: 'asc' | 'desc'
}
type LightragApiModule = typeof import('./lightrag')
const storageMock = () => {
const data = new Map<string, string>()
return {
getItem: (key: string) => data.get(key) ?? null,
setItem: (key: string, value: string) => {
data.set(key, value)
},
removeItem: (key: string) => {
data.delete(key)
},
clear: () => {
data.clear()
}
}
}
let apiModule: LightragApiModule
beforeAll(async () => {
Object.defineProperty(globalThis, 'localStorage', {
value: storageMock(),
configurable: true
})
Object.defineProperty(globalThis, 'sessionStorage', {
value: storageMock(),
configurable: true
})
apiModule = await import('./lightrag')
})
afterEach(() => {
apiModule.__resetPaginatedDocumentRequestsForTests()
})
describe('getDocumentsPaginated', () => {
test('issues a fresh request after aborting a timed-out in-flight request', async () => {
const request: DocumentsRequest = {
status_filter: null,
page: 1,
page_size: 20,
sort_field: 'updated_at',
sort_direction: 'desc'
}
let callCount = 0
const resolvers: Array<(value: any) => void> = []
apiModule.__setPaginatedDocumentsPostForTests((_request, controller) => {
callCount += 1
return new Promise((resolve, reject) => {
resolvers.push(resolve)
controller.signal.addEventListener(
'abort',
() => reject(new DOMException('Aborted', 'AbortError')),
{ once: true }
)
})
})
const firstRequest = apiModule.getDocumentsPaginated(request)
const secondRequest = apiModule.getDocumentsPaginated(request)
expect(callCount).toBe(1)
apiModule.abortDocumentsPaginated(request)
const [firstResult, secondResult] = await Promise.allSettled([
firstRequest,
secondRequest
])
expect(firstResult.status).toBe('rejected')
expect(secondResult.status).toBe('rejected')
const thirdRequest = apiModule.getDocumentsPaginated(request)
expect(callCount).toBe(2)
resolvers[1]({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
await expect(thirdRequest).resolves.toEqual({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
})
test('times out hanging requests and allows a fresh retry', async () => {
const request: DocumentsRequest = {
status_filter: null,
page: 1,
page_size: 20,
sort_field: 'updated_at',
sort_direction: 'desc'
}
let callCount = 0
const resolvers: Array<(value: any) => void> = []
apiModule.__setPaginatedDocumentsPostForTests((_request, controller) => {
callCount += 1
return new Promise((resolve, reject) => {
resolvers.push(resolve)
controller.signal.addEventListener(
'abort',
() => reject(new DOMException('Aborted', 'AbortError')),
{ once: true }
)
})
})
await expect(
apiModule.getDocumentsPaginatedWithTimeout(request, 1)
).rejects.toThrow('Document fetch timeout')
expect(callCount).toBe(1)
const retryRequest = apiModule.getDocumentsPaginated(request)
expect(callCount).toBe(2)
resolvers[1]({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
await expect(retryRequest).resolves.toEqual({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
})
test('does not abort a shared request when only one timeout subscriber expires', async () => {
const request: DocumentsRequest = {
status_filter: null,
page: 1,
page_size: 20,
sort_field: 'updated_at',
sort_direction: 'desc'
}
let callCount = 0
let resolveSharedRequest: ((value: any) => void) | null = null
let abortCount = 0
apiModule.__setPaginatedDocumentsPostForTests((_request, controller) => {
callCount += 1
return new Promise((resolve, reject) => {
resolveSharedRequest = resolve
controller.signal.addEventListener(
'abort',
() => {
abortCount += 1
reject(new DOMException('Aborted', 'AbortError'))
},
{ once: true }
)
})
})
const shortTimeoutRequest = apiModule.getDocumentsPaginatedWithTimeout(request, 1)
const longTimeoutRequest = apiModule.getDocumentsPaginatedWithTimeout(request, 100)
await expect(shortTimeoutRequest).rejects.toThrow('Document fetch timeout')
expect(callCount).toBe(1)
expect(abortCount).toBe(0)
resolveSharedRequest?.({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
await expect(longTimeoutRequest).resolves.toEqual({
documents: [],
pagination: {
page: 1,
page_size: 20,
total_count: 0,
total_pages: 0,
has_next: false,
has_prev: false
},
status_counts: { all: 0 }
})
})
})
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