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feat(create): use default constructor for C# records #609

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52da095
feat(create): use default constructor for C# records
Jun 24, 2025
fd2a1a9
fix(test): add polysharp to enable new C# features on old frameworks
Jun 24, 2025
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4 changes: 4 additions & 0 deletions Source/Bogus.Tests/Bogus.Tests.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,10 @@
<PackageReference Include="FluentAssertions" Version="6.12.0" />
<PackageReference Include="morelinq" Version="3.0.0" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
<PackageReference Include="PolySharp" Version="1.15.0">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Rant" Version="3.0.530" />
<PackageReference Include="TeamCity.VSTest.TestAdapter" Version="1.0.39" />
<PackageReference Include="Verify.Xunit" Version="22.8.0" />
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22 changes: 22 additions & 0 deletions Source/Bogus.Tests/RecordTest.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
using FluentAssertions;
using Xunit;

namespace Bogus.Tests;

public class RecordTest
{
private record User(string FirstName, string Email, string LastName);

[Fact]
public void Can_generate_a_record()
{
var faker = new Faker<User>()
.RuleFor(d => d.FirstName, f => f.Person.FirstName)
.RuleFor(d => d.LastName, _ => "x");

var user = faker.Generate();
user.FirstName.Should().NotBeNull();
user.LastName.Should().Be("x");
user.Email.Should().BeNull();
}
}
6 changes: 5 additions & 1 deletion Source/Bogus/Faker[T].cs
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Expand Up @@ -149,7 +149,11 @@ public Faker(string locale = "en", IBinder binder = null)
this.Locale = locale;
FakerHub = new Faker(locale);
TypeProperties = this.binder.GetMembers(typeof(T));
this.CreateActions[Default] = faker => Activator.CreateInstance<T>();
this.CreateActions[Default] = faker =>
{
var constructor = typeof(T).GetConstructors().First();
return (T)constructor.Invoke(new object[constructor.GetParameters().Length]);
};
}

/// <summary>
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8 changes: 4 additions & 4 deletions Source/Bogus/Properties/AssemblyInfo.cs
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Expand Up @@ -6,10 +6,10 @@
[assembly: AssemblyProduct("Bogus")]
[assembly: AssemblyTitle("Bogus Fake Data Generator for .NET")]
[assembly: AssemblyCompany("Brian Chavez")]
[assembly: AssemblyCopyright("Brian Chavez © 2015")]
[assembly: AssemblyCopyright("Brian Chavez © 2025")]
[assembly: AssemblyVersion("0.0.0")]
[assembly: AssemblyFileVersion("0.0.0")]
[assembly: AssemblyInformationalVersion("0.0.0-localbuild built on 2015-01-01 00:00:00Z")]
[assembly: AssemblyInformationalVersion("0.0.0-localbuild built on 2025-06-24 13:41:48Z")]
[assembly: AssemblyTrademark("MIT License")]
[assembly: AssemblyDescription("https://github.com/bchavez/Bogus")]
[assembly: InternalsVisibleTo("Bogus.Tests")]
Expand All @@ -18,10 +18,10 @@ internal static class AssemblyVersionInformation {
internal const System.String AssemblyProduct = "Bogus";
internal const System.String AssemblyTitle = "Bogus Fake Data Generator for .NET";
internal const System.String AssemblyCompany = "Brian Chavez";
internal const System.String AssemblyCopyright = "Brian Chavez © 2015";
internal const System.String AssemblyCopyright = "Brian Chavez © 2025";
internal const System.String AssemblyVersion = "0.0.0";
internal const System.String AssemblyFileVersion = "0.0.0";
internal const System.String AssemblyInformationalVersion = "0.0.0-localbuild built on 2015-01-01 00:00:00Z";
internal const System.String AssemblyInformationalVersion = "0.0.0-localbuild built on 2025-06-24 13:41:48Z";
internal const System.String AssemblyTrademark = "MIT License";
internal const System.String AssemblyDescription = "https://github.com/bchavez/Bogus";
internal const System.String InternalsVisibleTo = "Bogus.Tests";
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