Merge pull request #92 from petems/MODULES-1570-java_version_facts

MODULES-1570 Java Version facts

lib/facter/java_major_version.rb

@@ -0,0 +1,20 @@
+# Fact: java_major_version
+#
+# Purpose: get Java's major version
+#
+# Resolution:
+#   Tests for presence of java, returns nil if not present
+#   returns output of "java -version" and splits on \n + '"'
+#   eg.
+#
+# Caveats:
+#   none
+#
+# Notes:
+#   None
+Facter.add(:java_major_version) do
+  setcode do
+    java_version = Facter.value(:java_version)
+    java_patch_level = java_version.strip.split('_')[0].split('.')[1] unless java_version.nil?
+  end
+end

lib/facter/java_patch_level.rb

@@ -0,0 +1,18 @@
+# Fact: java_patch_level
+#
+# Purpose: get Java's patch level
+#
+# Resolution:
+#   Uses java_version fact splits on the patch number (after _)
+#
+# Caveats:
+#   none
+#
+# Notes:
+#   None
+Facter.add(:java_patch_level) do
+  setcode do
+    java_version = Facter.value(:java_version)
+    java_patch_level = java_version.strip.split('_')[1] unless java_version.nil?
+  end
+end

lib/facter/java_version.rb

@@ -0,0 +1,20 @@
+# Fact: java_version
+#
+# Purpose: get full java version string
+#
+# Resolution:
+#   Tests for presence of java, returns nil if not present
+#   returns output of "java -version" and splits on \n + '"'
+#
+# Caveats:
+#   none
+#
+# Notes:
+#   None
+if Facter::Util::Resolution.which('java')
+  Facter.add(:java_version) do
+    setcode do
+      Facter::Util::Resolution.exec('java -version 2>&1').lines.first.split(/"/)[1].strip
+    end
+  end
+end

spec/unit/facter/java_major_version_spec.rb

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+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+  }
+
+  describe "java_major_version" do
+    context 'returns major version when java_version fact present' do
+      before :each do
+        Facter.fact(:java_version).stubs(:value).returns('1.7.0_71')
+      end
+      it do
+        Facter.fact(:java_major_version).value.should == "7"
+      end
+    end
+
+    context 'returns nil when java not present' do
+      before :each do
+        Facter.fact(:java_version).stubs(:value).returns(nil)
+      end
+      it do
+        Facter.fact(:java_major_version).value.should be_nil
+      end
+    end
+  end
+end

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 be_nil
+        end
+      end
+    end
+  end
+end

spec/unit/facter/java_version_spec.rb

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+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+  }
+
+  describe "java_version" do
+    context 'returns java version when java present' do
+      it do
+        java_version_output = <<-EOS
+java version "1.7.0_71"
+Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
+Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
+        EOS
+        Facter::Util::Resolution.expects(:which).with("java").returns(true)
+        Facter::Util::Resolution.expects(:exec).with("java -version 2>&1").returns(java_version_output)
+        Facter.fact(:java_version).value.should == "1.7.0_71"
+      end
+    end
+
+    context 'returns nil when java not present' do
+      it do
+        Facter::Util::Resolution.stubs(:exec)
+        Facter::Util::Resolution.expects(:which).with("java").returns(false)
+        Facter.fact(:java_version).should be_nil
+      end
+    end
+  end
+end