diff --git a/test/helpers/mock_loader.rb b/test/helpers/mock_loader.rb
index bc23116cb..15793ba49 100644
--- a/test/helpers/mock_loader.rb
+++ b/test/helpers/mock_loader.rb
@@ -365,7 +365,7 @@ class MockLoader
       "netstat -an -f inet" => cmd.call("hpux-netstat-inet"),
       # ipv6 ports on hpux
       "netstat -an -f inet6" => cmd.call("hpux-netstat-inet6"),
-      # hostname linux
+      # hostname linux and darwin
       "hostname" => cmd.call("hostname"),
       # hostname windows
       "$env:computername" => cmd.call("$env-computername"),
@@ -375,6 +375,8 @@ class MockLoader
       "Get-CimInstance -ClassName Win32_ComputerSystem | Select Manufacturer -ExpandProperty Manufacturer" => cmd.call("manufacturer"),
       # Model linux
       "cat /sys/class/dmi/id/product_name" => cmd.call("model"),
+      # Model darwin
+      "sysctl -n hw.model" => cmd.call("model_darwin"),
       # Model windows
       "Get-CimInstance -ClassName Win32_ComputerSystem | Select Model -ExpandProperty Model" => cmd.call("model"),
       # windows_hotfix windows
diff --git a/test/unit/mock/cmd/model_darwin b/test/unit/mock/cmd/model_darwin
new file mode 100644
index 000000000..133066e9d
--- /dev/null
+++ b/test/unit/mock/cmd/model_darwin
@@ -0,0 +1 @@
+MacBookPro13,3
diff --git a/test/unit/resources/sys_info_test.rb b/test/unit/resources/sys_info_test.rb
index 98f836e93..db4563669 100644
--- a/test/unit/resources/sys_info_test.rb
+++ b/test/unit/resources/sys_info_test.rb
@@ -11,6 +11,13 @@ describe "Inspec::Resources::SysInfo" do
       _(resource.model).must_equal "Flux Capacitor"
     end
 
+    it "check sys_info on OSX" do
+      resource = MockLoader.new(:osx104).load_resource("sys_info")
+      _(resource.hostname).must_equal "example.com"
+      _(resource.manufacturer).must_equal "Apple Inc."
+      _(resource.model).must_equal "MacBookPro13,3"
+    end
+
     it "check sys_info on Windows" do
       resource = MockLoader.new(:windows).load_resource("sys_info")
       _(resource.hostname).must_equal "WIN-CIV7VMLVHLD"