test(inspec): add tests for package, config & service

test/integration/default/controls/config.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+control 'Docker configuration' do
+  title 'should match desired lines'
+
+  describe file('/etc/default/docker') do
+    it { should be_file }
+    its('owner') { should eq 'root' }
+    its('group') { should eq 'root' }
+    its('mode')  { should cmp '0644' }
+    its('content') { should include 'DOCKER_OPTS="-s btrfs --dns 8.8.8.8"' }
+    its('content') { should include 'export http_proxy="http://172.17.42.1:3128"' }
+  end
+end

test/integration/default/controls/package.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+control 'Docker package' do
+  title 'should be installed'
+
+  package_name =
+    case platform[:family]
+    when 'debian'
+      'docker-ce'
+    # Catch remaining `linux` platforms to identify by `name` at the end
+    when 'linux'
+      case platform[:name]
+      when 'arch'
+        'docker'
+      end
+    end
+
+  describe package(package_name) do
+    it { should be_installed }
+  end
+end

test/integration/default/controls/service.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+control 'Docker service' do
+  title 'should be running and enabled'
+
+  describe service('docker') do
+    it { should be_installed }
+    it { should be_enabled }
+    it { should be_running }
+  end
+end