1 files changed, 188 insertions, 0 deletions
diff --git a/tests/FundLab.Api.Tests/StockQuoteProbeTests.fs b/tests/FundLab.Api.Tests/StockQuoteProbeTests.fs
new file mode 100644
index 0000000..e29c666
--- /dev/null
+++ b/tests/FundLab.Api.Tests/StockQuoteProbeTests.fs
@@ -0,0 +1,188 @@
+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 () }
+
+    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 }
+
+    [<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)