(MODULES-10780) PA 6 to PA 7 upgrade tests

acceptance/tests/test_upgrade_puppet6_to_puppet7.rb

@@ -0,0 +1,44 @@
+require 'beaker-puppet'
+require_relative '../helpers'
+
+# Tests FOSS upgrades from the latest puppet 6 (the puppet6 collection) to puppet 7.0.0.
+test_name 'puppet_agent class: Upgrade agents from puppet6 to puppet7' do
+  # require_master_collection 'puppet7' #once puppet7 collection is available this can be uncommented
+  exclude_pe_upgrade_platforms
+  latest_version = `curl http://builds.delivery.puppetlabs.net/passing-agent-SHAs/puppet-agent-main-version`.gsub(/\d*\.\d*.\d*\./,"7.0.0.")
+
+  puppet_testing_environment = new_puppet_testing_environment
+  step "Create new site.pp with upgrade manifest" do
+    manifest = <<-PP
+    node default {
+      class { puppet_agent:
+        package_version => '#{latest_version}',
+        apt_source => 'http://nightlies.puppet.com/apt',
+        yum_source => 'http://nightlies.puppet.com/yum',
+        collection      => 'puppet7-nightly'
+      }
+    }
+    PP
+    site_pp_path = File.join(environment_location(puppet_testing_environment), 'manifests', 'site.pp')
+    create_remote_file(master, site_pp_path, manifest)
+    on(master, %(chown #{puppet_user(master)} "#{site_pp_path}"))
+    on(master, %(chmod 755 "#{site_pp_path}"))
+  end
+
+  agents_only.each do |agent|
+    set_up_initial_agent_on(agent, 'puppet6') do
+      step '(Agent) Change agent environment to testing environment' do
+        on(agent, puppet("config --section agent set environment #{puppet_testing_environment}"))
+        on(agent, puppet("config --section user set environment production"))
+      end
+    end
+  end
+
+  step "Upgrade the agents from Puppet 6 to Puppet 7..." do
+    agents_only.each do |agent|
+      start_puppet_service_and_wait_for_puppet_run(agent)
+      wait_for_installation_pid(agent)
+      assert_agent_version_on(agent, latest_version.scan(/7\.\d*\.\d*\.\d*/).first)
+    end
+  end
+end