(#7670) Add an acceptance test

This test runs only on Ubuntu machines and will reproduce the problem with these steps:

  * load Facter
  * request the operatingsystem fact
  * clear Facter
  * request the operatingsystem fact and verify it is still correct

Reviewed-By: Jacob Helwig <jacob@puppetlabs.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/acceptance/tests/operatingsystem_detection_after_clear_on_ubuntu.rb b/acceptance/tests/operatingsystem_detection_after_clear_on_ubuntu.rb
new file mode 100644
index 0000000..3c7c4d9
--- /dev/null
+++ b/acceptance/tests/operatingsystem_detection_after_clear_on_ubuntu.rb
@@ -0,0 +1,18 @@
+test_name "#7670: Facter should properly detect operatingsystem on Ubuntu after a clear"
+
+script_contents = <<-OS_DETECT
+  require 'facter'
+  Facter['operatingsystem'].value
+  Facter.clear
+  exit Facter['operatingsystem'].value == 'Ubuntu'
+OS_DETECT
+
+script_name = "/tmp/facter_os_detection_test_#{$$}"
+
+agents.each do |agent|
+  next unless agent['platform'].include? 'ubuntu'
+
+  create_remote_file(agent, script_name, script_contents)
+
+  on(agent, "ruby #{script_name}")
+end