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Add tests for source generators

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- Bootstrap xUnit project to test source generators
- Implement source generator tests
- Better tests structure (put test data in cs files)
- Enable `ScriptSerializationGeneratorTests`
- Enable `ScriptPathAttributeGeneratorTests`
- Fix `NesterClass` -> `NestedClass`
- Use `Path.Combine` when dealing with paths
- Copy test data to the output directory
This commit is contained in:
Paul Joannon 2023-10-07 12:36:28 +02:00
parent a574c0296b
commit b352bdc8cb
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modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/ScriptPathAttributeGeneratorTests.cs Normal file
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using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis.Text;
using Xunit;
namespace Godot.SourceGenerators.Tests;
public class ScriptPathAttributeGeneratorTests
{
private static (string, SourceText) MakeAssemblyScriptTypesGeneratedSource(ICollection<string> types)
{
return (
Path.Combine("Godot.SourceGenerators", "Godot.SourceGenerators.ScriptPathAttributeGenerator", "AssemblyScriptTypes.generated.cs"),
SourceText.From($$"""
[assembly:Godot.AssemblyHasScriptsAttribute(new System.Type[] {{{string.Join(", ", types.Select(type => $"typeof({type})"))}}})]
""", Encoding.UTF8)
);
}
[Fact]
public async void ScriptBoilerplate()
{
var verifier = CSharpSourceGeneratorVerifier<ScriptPathAttributeGenerator>.MakeVerifier(
new string[] { "ScriptBoilerplate.cs" },
new string[] { "ScriptBoilerplate_ScriptPath.generated.cs" }
);
verifier.TestState.GeneratedSources.Add(MakeAssemblyScriptTypesGeneratedSource(new string[] { "global::ScriptBoilerplate" }));
await verifier.RunAsync();
}
[Fact]
public async void FooBar()
{
var verifier = CSharpSourceGeneratorVerifier<ScriptPathAttributeGenerator>.MakeVerifier(
new string[] { "Foo.cs", "Bar.cs" },
new string[] { "Foo_ScriptPath.generated.cs", "Bar_ScriptPath.generated.cs" }
);
verifier.TestState.GeneratedSources.Add(MakeAssemblyScriptTypesGeneratedSource(new string[] { "global::Foo", "global::Bar" }));
await verifier.RunAsync();
}
[Fact]
public async void Generic()
{
var verifier = CSharpSourceGeneratorVerifier<ScriptPathAttributeGenerator>.MakeVerifier(
new string[] { "Generic.cs" },
new string[] { "Generic_ScriptPath.generated.cs" }
);
verifier.TestState.GeneratedSources.Add(MakeAssemblyScriptTypesGeneratedSource(new string[] { "global::Generic" }));
await verifier.RunAsync();
}
}