public static ClassDeclarationSyntax CreateTestClass(this ClassDeclarationSyntax classSyntax, SemanticModel semanticModel)
{
var memberList = new List <MemberDeclarationSyntax>();
var constructor = classSyntax.Members.OfType <ConstructorDeclarationSyntax>().FirstOrDefault();
var parameters = constructor.ParameterList.Parameters;
memberList.AddRange(parameters.Select(_ => _.Type.CreateMockAsField()));
memberList.Add(classSyntax.CreateMemberOfClass());
memberList.Add(classSyntax.CreateConstructor());
var methods = classSyntax.Members.OfType <MethodDeclarationSyntax>().Where(_ => _.Modifiers.Any(SyntaxKind.PublicKeyword));
memberList.AddRange(methods.Select(_ => CreateTestMethod(_, semanticModel)));
var className = classSyntax.Identifier.Text;
return(ClassDeclaration(className.ToTestClass())
.WithModifiers(
TokenList(
Token(SyntaxKind.PublicKeyword)))
.WithMembers(List(memberList)));
}