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diff --git a/3rdparty/modules/systemd/spec/unit/facter/systemd_version_spec.rb b/3rdparty/modules/systemd/spec/unit/facter/systemd_version_spec.rb
new file mode 100644
index 000000000..5007dc69c
--- /dev/null
+++ b/3rdparty/modules/systemd/spec/unit/facter/systemd_version_spec.rb
@@ -0,0 +1,31 @@
+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+  }
+
+  describe "systemd_version" do
+    context 'returns version when systemd fact present' do
+      before do
+        Facter.fact(:systemd).stubs(:value).returns(true)
+      end
+      let(:facts) { {:systemd => true} }
+      it do
+        Facter::Util::Resolution.expects(:exec).with("systemctl --version | awk '/systemd/{ print $2 }'").returns('229')
+        expect(Facter.value(:systemd_version)).to eq('229')
+      end
+    end
+    context 'returns nil when systemd fact not present' do
+      before do
+        Facter.fact(:systemd).stubs(:value).returns(false)
+      end
+      let(:facts) { {:systemd => false } }
+      it do
+        Facter::Util::Resolution.stubs(:exec)
+        Facter::Util::Resolution.expects(:exec).with("systemctl --version | awk '/systemd/{ print $2 }'").never
+        expect(Facter.value(:systemd_version)).to eq(nil)
+      end
+    end
+  end
+end