add cpu counts for darwin

2 files changed, 63 insertions, 0 deletions

diff --git a/lib/ohai/plugins/darwin/cpu.rb b/lib/ohai/plugins/darwin/cpu.rb
new file mode 100644
index 00000000..37c4c573
--- /dev/null
+++ b/lib/ohai/plugins/darwin/cpu.rb
@@ -0,0 +1,23 @@
+#
+# Author:: Nathan L Smith (<nlloyds@gmail.com>)
+# Copyright:: Copyright (c) 2013 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+provides "cpu"
+
+cpu Mash.new
+cpu[:real]  = from("sysctl -n hw.physicalcpu").to_i
+cpu[:total] = from("sysctl -n hw.logicalcpu").to_i
diff --git a/spec/unit/plugins/darwin/cpu_spec.rb b/spec/unit/plugins/darwin/cpu_spec.rb
new file mode 100644
index 00000000..1989d35d
--- /dev/null
+++ b/spec/unit/plugins/darwin/cpu_spec.rb
@@ -0,0 +1,40 @@
+#
+# Author:: Nathan L Smith (<nlloyds@gmail.com>)
+# Copyright:: Copyright (c) 2013 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+
+describe Ohai::System, "Darwin cpu plugin" do
+  before(:each) do
+    @ohai = Ohai::System.new
+    @ohai.stub!(:require_plugin).and_return(true)
+    @ohai[:os] = "darwin"
+    @ohai.stub(:from).with("sysctl -n hw.physicalcpu").and_return("1")
+    @ohai.stub(:from).with("sysctl -n hw.logicalcpu").and_return("2")
+  end
+
+  it "should set cpu[:total] to 2" do
+    @ohai._require_plugin("darwin::cpu")
+    @ohai[:cpu][:total].should == 2
+  end
+
+  it "should set cpu[:real] to 1" do
+    @ohai._require_plugin("darwin::cpu")
+    @ohai[:cpu][:real].should == 1
+  end
+end