Implement ParallelScope.None (#169)

WoofWare.NUnitTestRunner.Lib/ParallelScope.fs

@@ -0,0 +1,29 @@
+namespace WoofWare.NUnitTestRunner
+
+/// Our own strongly-typed rendering of the NUnit ParallelScope enum.
+/// This is more tightly modelled by ClassParallelScope and AssemblyParallelScope in our own domain; this type exists
+/// for the initial interop.
+[<RequireQualifiedAccess>]
+type ParallelScope =
+    /// Corresponds to NUnit's ParallelScope.Fixtures.
+    | Fixtures
+    /// Corresponds to NUnit's ParallelScope.Children.
+    | Children
+    /// Corresponds to NUnit's ParallelScope.All.
+    | All
+    /// Corresponds to NUnit's ParallelScope.Self.
+    | Self
+    /// Corresponds to NUnit's ParallelScope.None.
+    | None
+
+[<RequireQualifiedAccess>]
+module ParallelScope =
+    /// Convert the weakly-typed C# enum that is NUnit's `ParallelScope` to a strongly-typed representation.
+    let ofInt (n : int) =
+        match n with
+        | 512 -> ParallelScope.Fixtures
+        | 256 -> ParallelScope.Children
+        | 257 -> ParallelScope.All
+        | 1 -> ParallelScope.Self
+        | 2 -> ParallelScope.None
+        | _ -> failwith $"Unrecognised ParallelScope enum: %i{n}"