FEAT-13: ContractGenerator (pure OpenXml, embedded template, per-animal table cloning) + BreederProfile/ContractData records + 10 xUnit tests incl. schema validation & PII guard
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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GerbilManager.Tests/ContractGeneratorTests.cs
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GerbilManager.Tests/ContractGeneratorTests.cs
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using System.IO.Compression;
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using System.Text;
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using System.Text.RegularExpressions;
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using DocumentFormat.OpenXml.Packaging;
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using DocumentFormat.OpenXml.Validation;
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using GerbilManagerWebAPI.Contracts;
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namespace GerbilManager.Tests;
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/// <summary>
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/// FEAT-13: Tests des Abgabevertrag-Generators. Die erzeugte .docx wird als
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/// Zip geöffnet und auf word/document.xml geprüft — kein Word nötig.
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/// </summary>
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public class ContractGeneratorTests
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{
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private static BreederProfile Seller() => new()
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{
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ZuchtName = "Zucht Testhausen",
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Name = "Frau Erika Muster",
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Address = "Musterweg 1, 12345 Testhausen",
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Phone = "0123 456789",
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Email = "zucht@example.org",
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Homepage = "https://zucht.example.org/",
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City = "Testhausen",
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};
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private static ContractAnimal Krümel() => new(
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Name: "Krümel",
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Geschlecht: "Weiblich",
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Geburtsdatum: new DateOnly(2025, 3, 9),
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Farbschlag: "Agouti");
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private static ContractData OneAnimal() => new(
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Seller: Seller(),
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Buyer: new ContractBuyer(
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Name: "Herr Max Beispiel",
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Address: "Beispielallee 7, 54321 Beispielstadt",
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Phone: "0987 654321",
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Email: "max@example.com"),
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Animals: [Krümel()],
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Price: 72m,
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HandoverDate: new DateOnly(2026, 6, 5));
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/// <summary>
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/// Sichtbarer Text aus word/document.xml der erzeugten Datei. Tags werden
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/// entfernt, damit Aussagen über Run-Grenzen hinweg möglich sind (Werte
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/// und Fließtext liegen in getrennten w:t-Runs).
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/// </summary>
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private static string DocumentText(byte[] docx)
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{
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using var zip = new ZipArchive(new MemoryStream(docx), ZipArchiveMode.Read);
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var entry = Assert.Single(zip.Entries, e => e.FullName == "word/document.xml");
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using var reader = new StreamReader(entry.Open(), Encoding.UTF8);
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return Regex.Replace(reader.ReadToEnd(), "<[^>]+>", "");
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}
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[Fact]
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public void EinTier_EnthaeltAlleVertragswerte()
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{
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var text = DocumentText(ContractGenerator.Generate(OneAnimal()));
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// Verkäufer-Block (aus dem Zuchtprofil)
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Assert.Contains("Zucht Testhausen", text);
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Assert.Contains("Frau Erika Muster", text);
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Assert.Contains("Musterweg 1, 12345 Testhausen", text);
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Assert.Contains("0123 456789", text);
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Assert.Contains("zucht@example.org", text);
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Assert.Contains("https://zucht.example.org/", text);
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// Käufer-Block
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Assert.Contains("Herr Max Beispiel", text);
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Assert.Contains("Beispielallee 7, 54321 Beispielstadt", text);
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Assert.Contains("0987 654321", text);
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Assert.Contains("max@example.com", text);
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// Tier
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Assert.Contains("Krümel", text);
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Assert.Contains("Weiblich", text);
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Assert.Contains("09.03.2025", text);
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Assert.Contains("Agouti", text);
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// Kaufpreis (de-DE) + Übergabedatum (TT.MM.JJJJ)
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Assert.Contains("Kaufpreis von 72,00 €", text);
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Assert.Contains("am 05.06.2026 dem Käufer", text);
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// Unterschriftszeile: Ort des Züchters + Vertragsdatum (= Übergabedatum)
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Assert.Contains("Testhausen, den 05.06.2026", text);
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}
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[Fact]
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public void KeineUnersetztenTokens()
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{
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var text = DocumentText(ContractGenerator.Generate(OneAnimal()));
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Assert.DoesNotContain("{{", text);
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Assert.DoesNotContain("}}", text);
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}
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[Fact]
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public void DreiTiere_KlontDieTierTabelleProTier()
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{
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var data = OneAnimal() with
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{
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Animals =
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[
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Krümel(),
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new ContractAnimal("Fridolin", "Männlich", new DateOnly(2023, 5, 1), "Schwarz"),
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new ContractAnimal("Luna", "Weiblich", new DateOnly(2023, 8, 15), "Gold"),
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],
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};
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var text = DocumentText(ContractGenerator.Generate(data));
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Assert.Contains("Krümel", text);
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Assert.Contains("Fridolin", text);
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Assert.Contains("Luna", text);
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Assert.Contains("01.05.2023", text);
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Assert.Contains("15.08.2023", text);
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// Pro Tier eine Tabelle: „Tierart:“ ist das fixe Label jeder Tier-Tabelle.
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Assert.Equal(3, Regex.Matches(text, "Tierart:").Count);
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Assert.DoesNotContain("{{", text);
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}
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[Fact]
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public void PreisUndDatum_DeutscheFormate()
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{
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var data = OneAnimal() with { Price = 1234.5m, HandoverDate = new DateOnly(2026, 1, 3) };
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var text = DocumentText(ContractGenerator.Generate(data));
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Assert.Contains("Kaufpreis von 1.234,50 €", text);
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Assert.Contains("am 03.01.2026 dem Käufer", text);
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}
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[Fact]
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public void VertragsDatum_UeberschreibtUebergabedatumInDerUnterschriftszeile()
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{
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var data = OneAnimal() with { ContractDate = new DateOnly(2026, 6, 7) };
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var text = DocumentText(ContractGenerator.Generate(data));
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Assert.Contains("Testhausen, den 07.06.2026", text);
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Assert.Contains("am 05.06.2026 dem Käufer", text); // Übergabedatum bleibt eigenständig
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}
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[Fact]
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public void OptionaleFelder_LeerStattPlatzhalter()
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{
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var data = OneAnimal() with
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{
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Buyer = new ContractBuyer("Frau Lisa Test", "Testgasse 2, 11111 Teststadt"),
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Animals = [new ContractAnimal("Momo", "Unbekannt")],
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};
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var text = DocumentText(ContractGenerator.Generate(data));
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Assert.Contains("Frau Lisa Test", text);
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Assert.Contains("Momo", text);
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Assert.DoesNotContain("{{", text);
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Assert.DoesNotContain("null", text, StringComparison.OrdinalIgnoreCase);
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}
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[Fact]
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public void OhneTiere_WirftArgumentException()
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{
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var data = OneAnimal() with { Animals = [] };
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var ex = Assert.Throws<ArgumentException>(() => ContractGenerator.Generate(data));
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Assert.Contains("mindestens ein Tier", ex.Message);
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}
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[Fact]
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public void ErzeugteDatei_IstEinGueltigesDocxPaket()
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{
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var docx = ContractGenerator.Generate(OneAnimal());
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using var zip = new ZipArchive(new MemoryStream(docx), ZipArchiveMode.Read);
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Assert.Contains(zip.Entries, e => e.FullName == "[Content_Types].xml");
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Assert.Contains(zip.Entries, e => e.FullName == "word/document.xml");
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// Tierfotos wurden beim Vorlagenbau entfernt, das Zucht-Logo bleibt.
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Assert.Contains(zip.Entries, e => e.FullName == "word/media/image1.jpeg");
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Assert.DoesNotContain(zip.Entries, e => e.FullName == "word/media/image2.jpeg");
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}
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[Fact]
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public void ErzeugtesDokument_ValidiertGegenOpenXmlSchema()
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{
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// Office-2013-Schema: die Vorlage nutzt w:tblLook-Attribute der
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// Word-2010-Form, die der 2007-Default des Validators nicht kennt.
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var validator = new OpenXmlValidator(DocumentFormat.OpenXml.FileFormatVersions.Office2013);
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var data = OneAnimal() with
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{
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Animals = [Krümel(), new ContractAnimal("Fridolin", "Männlich"), new ContractAnimal("Luna", "Weiblich")],
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};
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using var generatedDoc = WordprocessingDocument.Open(
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new MemoryStream(ContractGenerator.Generate(data)), isEditable: false);
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var errors = validator.Validate(generatedDoc)
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.Select(e => $"{e.ErrorType}: {e.Description} [{e.Path?.XPath}]")
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.ToList();
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Assert.True(errors.Count == 0, "OpenXml-Validierungsfehler:\n" + string.Join("\n", errors));
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}
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[Fact]
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public void VorlageSelbst_EnthaeltKeineEchtdaten()
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{
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// Die Vorlage wird hier über den Generator-Pfad geladen: ein Vertrag
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// mit leeren Werten darf keinerlei Daten des Mustervertrags enthalten.
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var data = new ContractData(
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new BreederProfile(),
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new ContractBuyer("", ""),
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[new ContractAnimal("", "")],
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0m,
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new DateOnly(2026, 1, 1));
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var text = DocumentText(ContractGenerator.Generate(data));
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// Stichproben der Original-PII (Name/Ort/Mail des Mustervertrags).
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Assert.DoesNotContain("Nießner", text);
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Assert.DoesNotContain("Hartengrund", text);
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Assert.DoesNotContain("Ronneburg", text);
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Assert.DoesNotContain("Schädtler", text);
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Assert.DoesNotContain("gmx.de", text);
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Assert.DoesNotContain("jimdofree", text);
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}
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}
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