1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
namespace FundLab.Api.Tests
open System
open System.Threading
open Xunit
open FundLab.Api
module StockDailyProbeSupport =
let payload (code: string) (observations: (string * string * string option * string option) list) =
let body =
observations
|> List.map (fun (date, close, volume, amount) ->
let optionalText =
function
| Some value -> sprintf "\"%s\"" value
| None -> "null"
sprintf
"{\"date\":\"%s\",\"close\":\"%s\",\"volume\":%s,\"amount\":%s}"
date
close
(optionalText volume)
(optionalText amount))
|> String.concat ","
sprintf
"{\"schema_version\":\"fund-lab.akshare.v1\",\"operation\":\"stock-daily\",\"source\":\"akshare\",\"source_revision\":\"akshare-test/eastmoney\",\"collected_at\":\"2026-09-21T08:00:00Z\",\"instrument\":{\"code\":\"%s\"},\"observations\":[%s]}"
code
body
let collectorReturning (fetch: unit -> Result<string, string>) =
{ new IMarketDataCollector with
member _.Search(_, _) = Ok ""
member _.FetchNav(_, _) = Ok ""
member _.FetchBondQuote(_, _) = Ok ""
member _.FetchStockQuote(_, _) = Ok ""
member _.FetchStockDaily(_, _, _) = fetch () }
let stubProbe (recent: string * int * CancellationToken -> Result<StockDailyObservation list, MarketDataFailure>) =
{ new IStockDailyProbe with
member _.RecentDaily(code, days, token) = recent (code, days, token) }
[<Collection("postgres")>]
type StockDailyProbeTests(fixture: PostgresFixture) =
let repository () = FundRepository(fixture.ConnectionString)
let appWithDaily (probe: IStockDailyProbe) =
App.createApplicationWithProbes
(repository ())
{ NavDates = NavDateProbeSupport.stubNavDateProbe
NavSeries = NavDateProbeSupport.stubNavSeriesProbe
BondQuotes = NavDateProbeSupport.stubBondQuoteProbe
StockQuotes = NavDateProbeSupport.stubStockQuoteProbe
StockDaily = probe }
[<Fact>]
member _.``probe decodes observations ascending and de-duplicates dates``() =
let json =
StockDailyProbeSupport.payload
"600519"
[
"2026-09-21", "1252.57", Some "2501689.0", Some "3135910045.0"
"2026-09-17", "1266.98", Some "1755380.0", Some "2217338283.0"
"2026-09-18", "1257.12", Some "2489087.0", Some "3135849108.0"
"2026-09-17", "1266.98", Some "1755380.0", Some "2217338283.0"
]
let probe =
AkshareStockDailyProbe(StockDailyProbeSupport.collectorReturning (fun () -> Ok json)) :> IStockDailyProbe
match probe.RecentDaily("600519", 5, CancellationToken.None) with
| Ok observations ->
Assert.Equal<DateOnly list>(
[ DateOnly(2026, 9, 17); DateOnly(2026, 9, 18); DateOnly(2026, 9, 21) ],
observations |> List.map (fun observation -> observation.BarDate)
)
Assert.Equal(3, List.length observations)
Assert.Equal<decimal option>(Some 3135910045.0m, (observations |> List.last).Amount)
| Error failure -> failwithf "expected daily observations, got %A" failure
[<Fact>]
member _.``probe rejects a payload whose code disagrees with the request``() =
let json = StockDailyProbeSupport.payload "000001" [ "2026-09-21", "1252.57", None, None ]
let probe =
AkshareStockDailyProbe(StockDailyProbeSupport.collectorReturning (fun () -> Ok json)) :> IStockDailyProbe
match probe.RecentDaily("600519", 5, CancellationToken.None) with
| Error(InvalidMarketDataPayload message) -> Assert.Contains("does not match requested code", message)
| other -> failwithf "expected InvalidMarketDataPayload, got %A" other
[<Fact>]
member _.``probe rejects a malformed stock code without touching the collector``() =
let probe =
AkshareStockDailyProbe(StockDailyProbeSupport.collectorReturning (fun () -> failwith "collector should not be called"))
:> IStockDailyProbe
match probe.RecentDaily("abc", 5, 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 history collector failure``() =
let probe =
AkshareStockDailyProbe(
StockDailyProbeSupport.collectorReturning (fun () -> Error "AKShare collector failed: no valid daily history for 999999")
)
:> IStockDailyProbe
match probe.RecentDaily("999999", 5, CancellationToken.None) with
| Error(MarketDataCollectorUnavailable message) -> Assert.Contains("no valid daily history for 999999", message)
| other -> failwithf "expected MarketDataCollectorUnavailable, got %A" other
[<Fact>]
member _.``probe maps malformed payloads to an invalid payload reason``() =
let probe =
AkshareStockDailyProbe(StockDailyProbeSupport.collectorReturning (fun () -> Ok "{not-json")) :> IStockDailyProbe
match probe.RecentDaily("600519", 5, CancellationToken.None) with
| Error(InvalidMarketDataPayload _) -> ()
| other -> failwithf "expected InvalidMarketDataPayload, got %A" other
[<Fact>]
member _.``market stock-daily endpoint returns the probe observations``() =
let probe =
StockDailyProbeSupport.stubProbe (fun (code, days, _) ->
Assert.Equal("600519", code)
Assert.Equal(5, days)
Ok
[
{ BarDate = DateOnly(2026, 9, 18); Close = 1257.12m; Volume = Some 2489087m; Amount = Some 3135849108m }
{ BarDate = DateOnly(2026, 9, 21); Close = 1252.57m; Volume = Some 2501689m; Amount = Some 3135910045m }
])
let status, body =
PersistenceTestHelpers.invoke
(appWithDaily probe)
"GET"
"/api/market/stock-daily?code=600519&days=5"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(200, status)
Assert.Contains("\"code\":\"600519\"", body)
Assert.Contains("\"date\":\"2026-09-21\"", body)
Assert.Contains("1252.57", body)
[<Fact>]
member _.``market stock-daily endpoint answers 503 when the probe fails``() =
let probe =
StockDailyProbeSupport.stubProbe (fun _ ->
Error(MarketDataCollectorUnavailable "AKShare collector failed: no valid daily history for 999999"))
let status, body =
PersistenceTestHelpers.invoke
(appWithDaily probe)
"GET"
"/api/market/stock-daily?code=999999&days=5"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(503, status)
Assert.Contains("MARKET_DATA_UNAVAILABLE", body)
[<Fact>]
member _.``market stock-daily endpoint rejects a malformed code with 400``() =
let probe =
StockDailyProbeSupport.stubProbe (fun _ ->
Error(InvalidMarketDataRequest "stock code must contain exactly six digits"))
let status, body =
PersistenceTestHelpers.invoke
(appWithDaily probe)
"GET"
"/api/market/stock-daily?code=abc&days=5"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(400, status)
Assert.Contains("INVALID_MARKET_DATA_REQUEST", body)
[<Fact>]
member _.``market stock-daily endpoint rejects an out-of-range days with 400``() =
let probe =
StockDailyProbeSupport.stubProbe (fun _ -> failwith "probe should not be called for invalid days")
let status, body =
PersistenceTestHelpers.invoke
(appWithDaily probe)
"GET"
"/api/market/stock-daily?code=600519&days=999"
[ "Authorization", "Bearer test-token" ]
""
Assert.Equal(400, status)
Assert.Contains("days must be an integer between 1 and 30", body)
|
