func isTestFunc()

in sandbox.go [176:197]

• 19 lines of code
• 11 McCabe index (conditional complexity)

func isTestFunc(fn *ast.FuncDecl) bool {
	if fn.Type.Results != nil && len(fn.Type.Results.List) > 0 ||
		fn.Type.Params.List == nil ||
		len(fn.Type.Params.List) != 1 ||
		len(fn.Type.Params.List[0].Names) > 1 {
		return false
	}
	ptr, ok := fn.Type.Params.List[0].Type.(*ast.StarExpr)
	if !ok {
		return false
	}
	// We can't easily check that the type is *testing.T
	// because we don't know how testing has been imported,
	// but at least check that it's *T or *something.T.
	if name, ok := ptr.X.(*ast.Ident); ok && name.Name == "T" {
		return true
	}
	if sel, ok := ptr.X.(*ast.SelectorExpr); ok && sel.Sel.Name == "T" {
		return true
	}
	return false
}