1 files changed, 31 insertions, 1 deletions
diff --git a/spec/unit/dsl/platform_introspection_spec.rb b/spec/unit/dsl/platform_introspection_spec.rb
index 51123ba930..fb8e2a219e 100644
--- a/spec/unit/dsl/platform_introspection_spec.rb
+++ b/spec/unit/dsl/platform_introspection_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Seth Falcon (<seth@chef.io>)
-# Copyright:: Copyright 2010-2016, Chef Software Inc.
+# Copyright:: Copyright 2010-2018, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -127,3 +127,33 @@ describe Chef::DSL::PlatformIntrospection::PlatformFamilyDependentValue do
   end
 
 end
+
+describe "ChefHelper functions mixed into classes" do
+  METHODS = [ :windows?, :fedora_derived?, :bsd_based?, :rhel?, :aix?, :gentoo? ]
+
+  METHODS.each do |method|
+    it "mixes #{method} into Chef::Resource instances" do
+      expect(Chef::Resource.instance_methods.include?(method)).to be true
+    end
+
+    it "mixes #{method} into Chef::Resource classes (provides lines, etc)" do
+      expect(Chef::Resource.respond_to?(method)).to be true
+    end
+
+    it "mixes #{method} into Chef::Provider instances (actions)" do
+      expect(Chef::Provider.instance_methods.include?(method)).to be true
+    end
+
+    it "mixes #{method} into Chef::Provider classes (provides lines, etc)" do
+      expect(Chef::Provider.respond_to?(method)).to be true
+    end
+
+    it "mixes #{method} into Chef::Recipe instances (recipe files)" do
+      expect(Chef::Recipe.instance_methods.include?(method)).to be true
+    end
+
+    it "mixes #{method} into Chef::Node instances (attribute files)" do
+      expect(Chef::Recipe.instance_methods.include?(method)).to be true
+    end
+  end
+end