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|
namespace FundLab.Api.Tests
open System.Threading
open Xunit
open FundLab.Api
module StockQuoteProbeSupport =
let payload (code: string) (name: string option) (price: string option) =
let optionalText =
function
| Some value -> sprintf "\"%s\"" value
| None -> "null"
sprintf
"{\"schema_version\":\"fund-lab.akshare.v1\",\"operation\":\"stock-quote\",\"source\":\"akshare\",\"source_revision\":\"akshare-test/eastmoney\",\"collected_at\":\"2026-09-21T08:00:00Z\",\"instrument\":{\"code\":\"%s\"},\"quote\":{\"name\":%s,\"price\":%s,\"currency\":\"CNY\"}}"
code
(optionalText name)
(optionalText price)
let collectorReturning (fetch: unit -> Result<string, string>) =
{ new IMarketDataCollector with
member _.Search(_, _) = Ok ""
member _.FetchNav(_, _) = Ok ""
member _.FetchBondQuote(_, _) = Ok ""
member _.FetchStockQuote(_, _) = fetch ()
member _.FetchStockDaily(_, _, _) = Ok "" }
let stubProbe (getQuote: string * CancellationToken -> Result<StockQuote, MarketDataFailure>) =
{ new IStockQuoteProbe with
member _.GetQuote(code, token) = getQuote (code, token) }
[<Collection("postgres")>]
type StockQuoteProbeTests(fixture: PostgresFixture) =
let repository () = FundRepository(fixture.ConnectionString)
let appWithQuote (probe: IStockQuoteProbe) =
App.createApplicationWithProbes
(repository ())
{ NavDates = NavDateProbeSupport.stubNavDateProbe
NavSeries = NavDateProbeSupport.stubNavSeriesProbe
BondQuotes = NavDateProbeSupport.stubBondQuoteProbe
StockQuotes = probe
StockDaily = NavDateProbeSupport.stubStockDailyProbe }
[<Fact>]
member _.``probe parses name, price and currency``() =
let json = StockQuoteProbeSupport.payload "600519" (Some "贵州茅台") (Some "1252.57")
let probe =
AkshareStockQuoteProbe(StockQuoteProbeSupport.collectorReturning (fun () -> Ok json)) :> IStockQuoteProbe
match probe.GetQuote("600519", CancellationToken.None) with
| Ok quote ->
Assert.Equal("600519", quote.Code)
Assert.Equal<string option>(Some "贵州茅台", quote.Name)
Assert.Equal<decimal option>(Some 1252.57m, quote.Price)
Assert.Equal("CNY", quote.Currency)
| Error failure -> failwithf "expected a stock quote, got %A" failure
[<Fact>]
member _.``probe keeps a missing name missing instead of fabricating data``() =
let json = StockQuoteProbeSupport.payload "600519" None (Some "1252.57")
let probe =
AkshareStockQuoteProbe(StockQuoteProbeSupport.collectorReturning (fun () -> Ok json)) :> IStockQuoteProbe
match probe.GetQuote("600519", CancellationToken.None) with
| Ok quote ->
Assert.Equal<string option>(None, quote.Name)
Assert.Equal<decimal option>(Some 1252.57m, quote.Price)
| Error failure -> failwithf "expected a stock quote, got %A" failure
[<Fact>]
member _.``probe rejects a malformed stock code without touching the collector``() =
let probe =
AkshareStockQuoteProbe(StockQuoteProbeSupport.collectorReturning (fun () -> failwith "collector should not be called"))
:> IStockQuoteProbe
match probe.GetQuote("abc", CancellationToken.None) with
| Error(InvalidMarketDataRequest message) -> Assert.Contains("six digits", message)
| other -> failwithf "expected InvalidMarketDataRequest, got %A" other
[<Fact>]
member _.``probe surfaces a no valid quote collector failure and does not cache it``() =
let mutable calls = 0
let collector =
StockQuoteProbeSupport.collectorReturning (fun () ->
calls <- calls + 1
Error "AKShare collector failed: no valid quote for 000000")
let probe = AkshareStockQuoteProbe(collector) :> IStockQuoteProbe
match probe.GetQuote("000000", CancellationToken.None) with
| Error(MarketDataCollectorUnavailable message) -> Assert.Contains("no valid quote for 000000", message)
| other -> failwithf "expected MarketDataCollectorUnavailable, got %A" other
match probe.GetQuote("000000", CancellationToken.None) with
| Error(MarketDataCollectorUnavailable _) -> ()
| other -> failwithf "expected MarketDataCollectorUnavailable, got %A" other
Assert.Equal(2, calls)
[<Fact>]
member _.``probe maps malformed payloads to an invalid payload reason``() =
let probe =
AkshareStockQuoteProbe(StockQuoteProbeSupport.collectorReturning (fun () -> Ok "{not-json")) :> IStockQuoteProbe
match probe.GetQuote("600519", CancellationToken.None) with
| Error(InvalidMarketDataPayload _) -> ()
| other -> failwithf "expected InvalidMarketDataPayload, got %A" other
[<Fact>]
member _.``probe memoises successful lookups per stock code``() =
let mutable calls = 0
let collector =
StockQuoteProbeSupport.collectorReturning (fun () ->
calls <- calls + 1
Ok(StockQuoteProbeSupport.payload "600519" (Some "贵州茅台") (Some "1252.57")))
let probe = AkshareStockQuoteProbe(collector) :> IStockQuoteProbe
let first = probe.GetQuote("600519", CancellationToken.None)
let second = probe.GetQuote("600519", CancellationToken.None)
Assert.Equal(1, calls)
Assert.Equal(first |> Result.map (fun quote -> quote.Price), second |> Result.map (fun quote -> quote.Price))
[<Fact>]
member _.``market stock-quote endpoint returns the probe record``() =
let probe =
StockQuoteProbeSupport.stubProbe (fun (code, _) ->
Assert.Equal("600519", code)
Ok
{
Code = "600519"
Name = Some "贵州茅台"
Price = Some 1252.57m
Currency = "CNY"
})
let status, body =
PersistenceTestHelpers.invoke
(appWithQuote probe)
"GET"
"/api/market/stock-quote?code=600519"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(200, status)
Assert.Contains("\"code\":\"600519\"", body)
Assert.Contains("\"name\":\"贵州茅台\"", body)
Assert.Contains("1252.57", body)
Assert.Contains("\"currency\":\"CNY\"", body)
[<Fact>]
member _.``market stock-quote endpoint answers 503 when the probe fails``() =
let probe =
StockQuoteProbeSupport.stubProbe (fun _ -> Error(MarketDataCollectorUnavailable "collector exited with code 2"))
let status, body =
PersistenceTestHelpers.invoke
(appWithQuote probe)
"GET"
"/api/market/stock-quote?code=000000"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(503, status)
Assert.Contains("MARKET_DATA_UNAVAILABLE", body)
Assert.Contains("code 2", body)
[<Fact>]
member _.``market stock-quote endpoint rejects a malformed code with 400``() =
let probe =
StockQuoteProbeSupport.stubProbe (fun _ ->
Error(InvalidMarketDataRequest "stock code must contain exactly six digits"))
let status, body =
PersistenceTestHelpers.invoke
(appWithQuote probe)
"GET"
"/api/market/stock-quote?code=abc"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(400, status)
Assert.Contains("INVALID_MARKET_DATA_REQUEST", body)
|
