FEAT-12a: tests - prompt assembly, 503-unconfigured matrix, stub-provider parsing/auth, completions-URL config matrix (Gemini/Groq/Mistral/Ollama)
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GerbilManager.Tests/SaleAdTests.cs
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225
GerbilManager.Tests/SaleAdTests.cs
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using System.Net;
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using System.Text;
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using System.Text.Json;
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using GerbilManagerWebAPI.SaleAd;
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using Microsoft.Extensions.Options;
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namespace GerbilManager.Tests
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{
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/// <summary>
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/// FEAT-12a: sale-ad backend — prompt assembly, the 503-unconfigured path,
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/// the OpenAI-compatible wire handling against a stubbed provider, and the
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/// provider config matrix (Gemini / Groq / Mistral / Ollama base URLs).
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/// </summary>
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public class SaleAdTests
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{
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private static SaleAdRequest SampleRequest() => new(
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Animals:
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[
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new SaleAdAnimal("Balu", "CP-Agouti", "2024-03-12", "ruhig, nimmt Leckerlis aus der Hand"),
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new SaleAdAnimal("Benny", "Schwarz Schecke", "2024-03-12", "neugieriger Entdecker"),
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],
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StatusLine: "FREI",
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Hints: "bitte die Bruder-Dynamik betonen");
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// ── Prompt assembly ────────────────────────────────────────────────
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[Fact]
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public void UserPrompt_enthält_Tiere_Status_und_Hinweise()
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{
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var prompt = SaleAdPromptBuilder.BuildUserPrompt(SampleRequest());
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Assert.Contains("Status-Zeile: FREI", prompt);
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Assert.Contains("Name: Balu", prompt);
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Assert.Contains("Farbschlag: CP-Agouti", prompt);
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Assert.Contains("Name: Benny", prompt);
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Assert.Contains("ruhig, nimmt Leckerlis aus der Hand", prompt);
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Assert.Contains("Wünsche/Hinweise: bitte die Bruder-Dynamik betonen", prompt);
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}
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[Fact]
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public void UserPrompt_formatiert_Geburtsdatum_deutsch()
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{
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var prompt = SaleAdPromptBuilder.BuildUserPrompt(SampleRequest());
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Assert.Contains("geboren am 12.03.2024", prompt);
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Assert.DoesNotContain("2024-03-12", prompt);
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}
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[Fact]
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public void UserPrompt_lässt_fehlende_Angaben_weg()
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{
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var request = new SaleAdRequest(
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[new SaleAdAnimal("Mysti", null, null, null)], "RESERVIERT", "");
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var prompt = SaleAdPromptBuilder.BuildUserPrompt(request);
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Assert.Contains("Name: Mysti", prompt);
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Assert.DoesNotContain("Farbschlag:", prompt);
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Assert.DoesNotContain("geboren am", prompt);
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Assert.DoesNotContain("Notizen:", prompt);
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Assert.DoesNotContain("Wünsche/Hinweise:", prompt);
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}
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[Fact]
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public void SystemPrompt_enthält_Stilregeln_und_beide_Beispiele()
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{
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var prompt = SaleAdPromptBuilder.BuildSystemPrompt();
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Assert.Contains("Zucht der kleinen Chaoten", prompt);
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Assert.Contains("NIEMALS Preise", prompt);
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Assert.Contains("KEINE Fakten erfinden", prompt);
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// few-shot: die beiden Beispiel-Inserate (Status-Zeilen der Vorlage)
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Assert.Contains("Status: FREI", prompt);
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Assert.Contains("Status: LOCKER RESERVIERT Anna", prompt);
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Assert.Contains("Großer und kleiner Bruder Dynamik", prompt);
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}
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[Theory]
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[InlineData("2024-03-12", "12.03.2024")]
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[InlineData("kaputt", "kaputt")] // unparsebar -> unverändert durchreichen
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public void FormatGermanDate_konvertiert_ISO_nach_TT_MM_JJJJ(string input, string expected)
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=> Assert.Equal(expected, SaleAdPromptBuilder.FormatGermanDate(input));
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// ── 503: unkonfiguriert ────────────────────────────────────────────
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[Theory]
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[InlineData(null, "key", "model")]
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[InlineData("https://api.example.com/v1", null, "model")]
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[InlineData("https://api.example.com/v1", "key", null)]
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[InlineData(null, null, null)]
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public async Task GenerateAsync_meldet_NotConfigured_wenn_eine_Einstellung_fehlt(
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string? baseUrl, string? apiKey, string? model)
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{
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var service = CreateService(baseUrl, apiKey, model,
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new StubHandler(_ => throw new InvalidOperationException("darf nicht aufgerufen werden")));
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var result = await service.GenerateAsync(SampleRequest());
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Assert.Equal(SaleAdStatus.NotConfigured, result.Status);
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Assert.Null(result.Text);
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}
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// ── Fake-Server: OpenAI-kompatible Antwort wird geparst ────────────
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[Fact]
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public async Task GenerateAsync_parst_die_Chat_Completion_des_Stubs()
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{
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var handler = new StubHandler(_ => Canned("Status: FREI\n\nWunderbares Duo …"));
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var service = CreateService("https://api.groq.com/openai/v1", "k", "llama-3.3-70b", handler);
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var result = await service.GenerateAsync(SampleRequest());
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Assert.Equal(SaleAdStatus.Ok, result.Status);
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Assert.Equal("Status: FREI\n\nWunderbares Duo …", result.Text);
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}
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[Fact]
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public async Task GenerateAsync_sendet_Modell_Messages_und_Bearer_Key()
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{
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var handler = new StubHandler(_ => Canned("ok"));
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var service = CreateService("https://api.example.com/v1", "geheim", "test-model", handler);
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await service.GenerateAsync(SampleRequest());
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Assert.NotNull(handler.LastRequest);
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Assert.Equal("Bearer", handler.LastRequest!.Headers.Authorization?.Scheme);
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Assert.Equal("geheim", handler.LastRequest.Headers.Authorization?.Parameter);
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using var body = JsonDocument.Parse(handler.LastRequestBody!);
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Assert.Equal("test-model", body.RootElement.GetProperty("model").GetString());
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var messages = body.RootElement.GetProperty("messages");
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Assert.Equal(2, messages.GetArrayLength());
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Assert.Equal("system", messages[0].GetProperty("role").GetString());
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Assert.Equal("user", messages[1].GetProperty("role").GetString());
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}
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[Fact]
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public async Task GenerateAsync_meldet_UpstreamError_bei_Provider_HTTP_Fehler()
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{
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var handler = new StubHandler(_ => new HttpResponseMessage(HttpStatusCode.TooManyRequests)
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{
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Content = new StringContent("rate limited"),
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});
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var service = CreateService("https://api.example.com/v1", "k", "m", handler);
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var result = await service.GenerateAsync(SampleRequest());
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Assert.Equal(SaleAdStatus.UpstreamError, result.Status);
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}
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[Fact]
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public async Task GenerateAsync_meldet_UpstreamError_bei_leerer_Antwort()
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{
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var handler = new StubHandler(_ => Canned(""));
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var service = CreateService("https://api.example.com/v1", "k", "m", handler);
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var result = await service.GenerateAsync(SampleRequest());
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Assert.Equal(SaleAdStatus.UpstreamError, result.Status);
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}
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// ── Provider-Konfigurationsmatrix: BaseUrl -> /chat/completions ────
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[Theory]
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[InlineData("https://generativelanguage.googleapis.com/v1beta/openai",
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"https://generativelanguage.googleapis.com/v1beta/openai/chat/completions")] // Gemini
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[InlineData("https://api.groq.com/openai/v1",
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"https://api.groq.com/openai/v1/chat/completions")] // Groq
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[InlineData("https://api.mistral.ai/v1",
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"https://api.mistral.ai/v1/chat/completions")] // Mistral
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[InlineData("http://truenas:11434/v1",
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"http://truenas:11434/v1/chat/completions")] // Ollama (lokal)
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[InlineData("https://api.groq.com/openai/v1/",
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"https://api.groq.com/openai/v1/chat/completions")] // trailing slash
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public async Task Konfigurationsmatrix_baut_die_richtige_Completions_URL(
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string baseUrl, string expectedUri)
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{
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Assert.Equal(new Uri(expectedUri), SaleAdService.BuildCompletionsUri(baseUrl));
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// und der Stub sieht den Aufruf tatsächlich auf dieser URL
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var handler = new StubHandler(_ => Canned("ok"));
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var service = CreateService(baseUrl, "k", "m", handler);
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await service.GenerateAsync(SampleRequest());
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Assert.Equal(new Uri(expectedUri), handler.LastRequest!.RequestUri);
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}
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// ── Helfer ─────────────────────────────────────────────────────────
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private static SaleAdService CreateService(
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string? baseUrl, string? apiKey, string? model, StubHandler handler)
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{
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var options = Options.Create(new AiOptions { BaseUrl = baseUrl, ApiKey = apiKey, Model = model });
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return new SaleAdService(new HttpClient(handler), options);
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}
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private static HttpResponseMessage Canned(string content)
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{
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var completion = new
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{
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choices = new[] { new { message = new { role = "assistant", content } } },
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};
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return new HttpResponseMessage(HttpStatusCode.OK)
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{
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Content = new StringContent(JsonSerializer.Serialize(completion),
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Encoding.UTF8, "application/json"),
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};
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}
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/// <summary>HttpMessageHandler-Stub, der Request + Body zur Inspektion festhält.</summary>
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private sealed class StubHandler(Func<HttpRequestMessage, HttpResponseMessage> respond)
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: HttpMessageHandler
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{
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public HttpRequestMessage? LastRequest { get; private set; }
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public string? LastRequestBody { get; private set; }
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protected override async Task<HttpResponseMessage> SendAsync(
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HttpRequestMessage request, CancellationToken cancellationToken)
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{
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LastRequest = request;
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LastRequestBody = request.Content is null
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? null
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: await request.Content.ReadAsStringAsync(cancellationToken);
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return respond(request);
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}
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}
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}
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}
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@@ -30,4 +30,9 @@
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<EmbeddedResource Include="Contracts\Templates\Abgabevertrag.docx" />
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</ItemGroup>
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<ItemGroup>
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<!-- FEAT-12a: Tests prüfen interne Bausteine (z. B. die Completions-URL). -->
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<InternalsVisibleTo Include="GerbilManager.Tests" />
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</ItemGroup>
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</Project>
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