Acklann.Diffa (nuget): Diffa is a .netstandard unit-test assertion library that allows you to verify your test results against approved files. Inspired by [ApprovalTests](https://github.com/approvals/ApprovalTests.Net), Diffa will also automatically launch your favorite diff tool when an assertion fails so you can compare approve the results.  ## Basic Use  [TestClass] [SaveFilesAt("Approved/")] [Use(typeof(DiffReporter))] public class UnitTests      [TestMethod]     public void Ensure_results_is_well_formed()       => Diff.Approve("This is my test results.");
Keywords: approval|test|unit-testing|diff|compare|approvals|verify|testing|assertions|library|netstandard