maemon4095 / SourceGeneratorRunner

SourceGeneratorRunner

Runner for single ISourceGenerator or IIncrementalGenerator. Useful for unit testing of source generators.

Usage

using SourceGeneratorRunner;
using SourceGeneratorRunner.Testing;

var runner = SourceGeneratorRunner.Create(() => new YourSourceGenerator()); 
var source = "source code ...";
runner.Run(source).Verify(result =>
{
    // verification ...
});

if you want to run generator with custom options

using SourceGeneratorRunner;
using SourceGeneratorRunner.Testing;

var config = RunnerConfig.Default with 
{
    // customize config ... 
};
var runner = SourceGeneratorRunner.Create(config, () => new YourSourceGenerator()); 
// run generator ...

Remarks

Since CSharpGeneratorDriver, CSharpCompilation, and CSharpSyntaxTree are used internally, it is recommended to refer to these specifications.