public static void GenerateWithRecords()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public record Destination
{
public string Id { get; init; }
}
public record Source
{
public string Id { get; init; }
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(0));
Assert.That(output, Does.Not.Contain("namespace"));
Assert.That(output, Does.Contain("using System;"));
Assert.That(output, Does.Contain("public static Destination MapToDestination(this Source self) =>"));
Assert.That(output, Does.Contain("self is null ? throw new ArgumentNullException(nameof(self)) :"));
Assert.That(output, Does.Contain("Id = self.Id,"));
});
}
public static void GenerateWhenSourceIsInNamespaceAndDestinationIsNotInNamespace()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(SourceNamespace.Source))]
public class Destination
{
public string Id { get; set; }
}
namespace SourceNamespace
{
public class Source
{
public string Id { get; set; }
}
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(0));
Assert.That(output, Does.Contain("namespace SourceNamespace"));
Assert.That(output, Does.Contain("Id = self.Id,"));
});
}
public static void GenerateWhenPropertyTypesDoNotMatch()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public class Destination
{
public string Id { get; set; }
}
public class Source
{
public int Id { get; set; }
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(3));
Assert.That(() => diagnostics.Single(_ => _.Id == NoPropertyMapsFoundDiagnostic.Id), Throws.Nothing);
Assert.That(() => diagnostics.Single(_ => _.Id == NoMatchDiagnostic.Id &&
_.GetMessage().Contains("source type Source", StringComparison.InvariantCulture)), Throws.Nothing);
Assert.That(() => diagnostics.Single(_ => _.Id == NoMatchDiagnostic.Id &&
_.GetMessage().Contains("destination type Destination", StringComparison.InvariantCulture)), Throws.Nothing);
Assert.That(output, Is.EqualTo(string.Empty));
});
}
public static void GenerateWhenDestinationDoesNotMapAllProperties()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public class Destination
{
public string Id { get; set; }
public string Name { get; set; }
}
public class Source
{
public string Id { get; set; }
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(1));
var noMatchMessage = diagnostics.Single(_ => _.Id == NoMatchDiagnostic.Id).GetMessage();
Assert.That(noMatchMessage, Contains.Substring("Name"));
Assert.That(noMatchMessage, Contains.Substring("destination type Destination"));
Assert.That(output, Does.Not.Contain("namespace"));
Assert.That(output, Does.Contain("using System;"));
Assert.That(output, Does.Contain("public static Destination MapToDestination(this Source self) =>"));
Assert.That(output, Does.Contain("self is null ? throw new ArgumentNullException(nameof(self)) :"));
Assert.That(output, Does.Contain("Id = self.Id,"));
});
}
public static void GenerateWhenDestinationHasPublicMultipleArgumentConstructor()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public class Destination
{
public Destination(int id) { }
public string Id { get; set; }
}
public class Source
{
public string Id { get; set; }
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(1));
Assert.That(() => diagnostics.Single(_ => _.Id == NoArgumentConstructorDiagnostic.Id), Throws.Nothing);
Assert.That(output, Is.EqualTo(string.Empty));
});
}
public static void GenerateWhenDestinationSetterIsNotPublic()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public class Destination
{
public string Id { get; private set; }
}
public class Source
{
public string Id { get; set; }
}");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(2));
Assert.That(() => diagnostics.Single(_ => _.Id == NoPropertyMapsFoundDiagnostic.Id), Throws.Nothing);
var noMatchMessage = diagnostics.Single(_ => _.Id == NoMatchDiagnostic.Id).GetMessage();
Assert.That(noMatchMessage, Contains.Substring("Id"));
Assert.That(noMatchMessage, Contains.Substring("source type Source"));
Assert.That(output, Is.EqualTo(string.Empty));
});
}
public static void GenerateWhenNoPropertiesExist()
{
var(diagnostics, output) = MapGeneratorMapFromTests.GetGeneratedOutput(
@"using InlineMapping;
[MapFrom(typeof(Source))]
public class Destination { }
public class Source { }");
Assert.Multiple(() =>
{
Assert.That(diagnostics.Length, Is.EqualTo(1));
Assert.That(diagnostics[0].Id, Is.EqualTo(NoPropertyMapsFoundDiagnostic.Id));
Assert.That(output, Is.EqualTo(string.Empty));
});
}