Change the way the recurse option is parsed and update unit test to use it

Author: Kronicaler

src/dotnet-grpc/Commands/AddFileCommand.cs

@@ -63,7 +63,7 @@ public static Command Create(HttpClient httpClient)
                 var services = context.ParseResult.GetValueForOption(serviceOption);
                 var access = context.ParseResult.GetValueForOption(accessOption);
                 var additionalImportDirs = context.ParseResult.GetValueForOption(additionalImportDirsOption);
-                var searchOption = context.ParseResult.GetValueForOption(recursiveOption) ? SearchOption.TopDirectoryOnly : SearchOption.TopDirectoryOnly;
+                var searchOption = context.ParseResult.HasOption(recursiveOption) ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
                 var files = context.ParseResult.GetValueForArgument(filesArgument);
 
                 try

test/dotnet-grpc.Tests/AddFileCommandTests.cs

@@ -41,7 +41,7 @@ public async Task Commandline_AddFileCommand_AddsPackagesAndReferences()
         var parser = Program.BuildParser(CreateClient());
 
         // Act
-        var result = await parser.InvokeAsync($"add-file -p {tempDir} -s Server --access Internal -i ImportDir {Path.Combine("Proto", "*.proto")}", testConsole);
+        var result = await parser.InvokeAsync($"add-file -p {tempDir} -s Server --access Internal -r -i ImportDir {Path.Combine("Proto", "*.proto")}", testConsole);
 
         // Assert
         Assert.AreEqual(0, result, testConsole.Error.ToString());
@@ -55,9 +55,10 @@ public async Task Commandline_AddFileCommand_AddsPackagesAndReferences()
 
 
         var protoRefs = project.GetItems(CommandBase.ProtobufElement);
-        Assert.AreEqual(2, protoRefs.Count);
+        Assert.AreEqual(3, protoRefs.Count);
         Assert.NotNull(protoRefs.SingleOrDefault(r => r.UnevaluatedInclude == "Proto\\a.proto"));
         Assert.NotNull(protoRefs.SingleOrDefault(r => r.UnevaluatedInclude == "Proto\\b.proto"));
+        Assert.NotNull(protoRefs.SingleOrDefault(r => r.UnevaluatedInclude == "Proto\\Subfolder\\c.proto"));
         foreach (var protoRef in protoRefs)
         {
             Assert.AreEqual("Server", protoRef.GetMetadataValue(CommandBase.GrpcServicesElement));