(MODULES-1570) TDD Style - Add specs first

Facter unit tests to check resolution of Java version

spec/unit/facter/java_patch_level_spec.rb

@@ -0,0 +1,31 @@
+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+  }
+
+  describe "java_patch_level" do
+    context "if java is installed" do
+      context 'returns java patch version extracted from java_version fact' do
+        before :each do
+          Facter.fact(:java_version).stubs(:value).returns('1.7.0_71')
+        end
+        it do
+          Facter.fact(:java_patch_level).value.should == "71"
+        end
+      end
+    end
+
+    context "if java is installed" do
+      context 'returns java patch version extracted from java_version fact' do
+        before :each do
+          Facter.fact(:java_version).stubs(:value).returns(nil)
+        end
+        it do
+          Facter.fact(:java_patch_level).value.should == "JAVA_NOT_INSTALLED"
+        end
+      end
+    end
+  end
+end