diff --git a/spec/defines/daemon_spec.rb b/spec/defines/daemon_spec.rb
new file mode 100644
index 000000000..462fea2cd
--- /dev/null
+++ b/spec/defines/daemon_spec.rb
@@ -0,0 +1,159 @@
+require 'spec_helper'
+
+describe 'prometheus::daemon' do
+  let :title do
+    'smurf_exporter'
+  end
+
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let(:facts) do
+        facts
+      end
+
+      let :pre_condition do
+        'include ::prometheus::params'
+      end
+
+      [
+        {
+          version:           '1.2.3',
+          real_download_url: 'https://github.com/prometheus/smurf_exporter/releases/v1.2.3/smurf_exporter-1.2.3.any.tar.gz',
+          notify_service:    'Service[smurf_exporter]',
+          user:              'smurf_user',
+          group:             'smurf_group'
+        }
+      ].each do |parameters|
+        context "with parameters #{parameters}" do
+          let(:params) do
+            parameters
+          end
+
+          prom_os = facts[:kernel].downcase
+          prom_arch = facts[:architecture] == 'i386' ? '386' : 'amd64'
+
+          it {
+            is_expected.to contain_archive("/tmp/smurf_exporter-#{parameters[:version]}.tar.gz").with(
+              'ensure'          => 'present',
+              'extract'         => true,
+              'extract_path'    => '/opt',
+              'source'          => params[:real_download_url],
+              'checksum_verify' => false,
+              'creates'         => "/opt/smurf_exporter-#{parameters[:version]}.#{prom_os}-#{prom_arch}/smurf_exporter",
+              'cleanup'         => true
+            ).that_comes_before("File[/opt/smurf_exporter-#{parameters[:version]}.#{prom_os}-#{prom_arch}/smurf_exporter]")
+          }
+
+          it {
+            is_expected.to contain_file("/opt/smurf_exporter-#{parameters[:version]}.#{prom_os}-#{prom_arch}/smurf_exporter").with(
+              'owner' => 'root',
+              'group' => 0,
+              'mode'  => '0555'
+            )
+          }
+
+          it {
+            is_expected.to contain_file('/usr/local/bin/smurf_exporter').with(
+              'ensure' => 'link',
+              'target' => "/opt/smurf_exporter-#{parameters[:version]}.#{prom_os}-#{prom_arch}/smurf_exporter"
+            ).that_notifies('Service[smurf_exporter]')
+          }
+
+          it {
+            is_expected.to contain_user('smurf_user').with(
+              'ensure' => 'present',
+              'system' => true,
+              'groups' => []
+            )
+          }
+
+          it {
+            is_expected.to contain_group('smurf_group').with(
+              'ensure' => 'present',
+              'system' => true
+            )
+          }
+
+          # prometheus::config
+          if ['debian-7-x86_64'].include?(os)
+            # init_style = 'debian'
+
+            it {
+              is_expected.to contain_file('/etc/init.d/smurf_exporter').with(
+                'mode'    => '0555',
+                'owner'   => 'root',
+                'group'   => 'root'
+              ).with_content(
+                %r{DAEMON_ARGS=''\n}
+              ).with_content(
+                %r{USER=smurf_user\n}
+              )
+            }
+          elsif ['centos-6-x86_64', 'redhat-6-x86_64'].include?(os)
+            # init_style = 'sysv'
+
+            it {
+              is_expected.to contain_file('/etc/init.d/smurf_exporter').with(
+                'mode'    => '0555',
+                'owner'   => 'root',
+                'group'   => 'root'
+              ).with_content(
+                %r{daemon --user=smurf_user \\\n            --pidfile="\$PID_FILE" \\\n            "\$DAEMON" '' >> "\$LOG_FILE" &}
+              )
+            }
+          elsif ['centos-7-x86_64', 'debian-8-x86_64', 'redhat-7-x86_64', 'ubuntu-16.04-x86_64'].include?(os)
+            # init_style = 'systemd'
+
+            it { is_expected.to contain_class('systemd') }
+
+            it {
+              is_expected.to contain_systemd__unit_file('smurf_exporter.service').that_notifies(
+                'Service[smurf_exporter]'
+              ).with_content(
+                %r{User=smurf_user\n}
+              ).with_content(
+                %r{ExecStart=/usr/local/bin/smurf_exporter\n\nExecReload=}
+              )
+            }
+          elsif ['ubuntu-14.04-x86_64'].include?(os)
+            # init_style = 'upstart'
+
+            it {
+              is_expected.to contain_file('/etc/init/smurf_exporter.conf').with(
+                'mode'    => '0444',
+                'owner'   => 'root',
+                'group'   => 'root'
+              ).with_content(
+                %r{env USER=smurf_user\n}
+              ).with_content(
+                %r{exec start-stop-daemon -c \$USER -g \$GROUP -p \$PID_FILE -x \$DAEMON -S -- \n\nend script}
+              )
+            }
+
+            it {
+              is_expected.to contain_file('/etc/init.d/smurf_exporter').with(
+                'ensure' => 'link',
+                'target' => '/lib/init/upstart-job',
+                'owner'  => 'root',
+                'group'  => 'root',
+                'mode'   => '0755'
+              )
+            }
+          else
+            it {
+              is_expected.to raise_error(Puppet::Error, %r{I don.t know how to create an init script for style})
+            }
+          end
+
+          it {
+            is_expected.to contain_service('smurf_exporter').with(
+              'ensure' => 'running',
+              'name'   => 'smurf_exporter',
+              'enable' => true
+            )
+          }
+        end
+      end
+    end
+  end
+end