From feef45bb2f483ae2a2ccf37839833430b998d624 Mon Sep 17 00:00:00 2001
From: Sam Thursfield <sam.thursfield@codethink.co.uk>
Date: Thu, 13 Feb 2014 19:24:58 +0000
Subject: Add test for shared user data

---
 test_trove_upgrades.py | 46 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 43 insertions(+), 3 deletions(-)

diff --git a/test_trove_upgrades.py b/test_trove_upgrades.py
index b18eb93..55f4c08 100644
--- a/test_trove_upgrades.py
+++ b/test_trove_upgrades.py
@@ -554,8 +554,7 @@ class TestUpgrades(BaseTestSuite):
             old_lighttpd_output = remote_runcmd(test_url, ['lighttpd', '-v'])
             print "Lighttpd outout: %s" % old_lighttpd_output
 
-            upgrade = TroveUpgrade(
-                    branch, vm_name)
+            upgrade = TroveUpgrade(branch, vm_name)
             upgrade.create_config(instance, upgrade_method='ssh-rsync')
             upgrade.run_build()
             upgrade.run_deploy()
@@ -596,6 +595,47 @@ class TestUpgrades(BaseTestSuite):
                 #   check you can issue Gitano commands ...
                 #     perhaps crib from Gitano test suite
 
+    def test_scenario_trove_upgrade_shared_user_data(
+            self, vm_name, fixture_dir, workspace_dir, reuse_fixture=False):
+        '''
+        Ensure that the user does not lose data when upgrading in the brave new
+        world of separating the base OS from the OS state and the user data.
+
+        There are some holes at the moment:
+            - Anything the user puts in / directly will be lost on upgrade.
+            - Anything the user puts in /usr, /lib, /bin or /sbin will be
+              lost on upgrade.
+
+        SCENARIO Bob upgrades his Trove
+        GIVEN a running an out-of-date Trove system
+        AND files in /opt, /srv, /home, /root and /var
+        WHEN Bob builds and upgrades to the current version of Trove with
+          AUTOSTART=1
+        THEN the files are present in the new Trove
+
+        '''
+        statedirs = ['/home', '/opt', '/root', '/srv']
+
+        with self.given_out_of_date_trove_instance(
+                vm_name, fixture_dir, reuse=reuse_fixture) as instance:
+            branch = self.create_system_branch(workspace_dir, 'current')
+
+            test_url = 'ssh://root@%s/' % vm_name
+
+            for statedir in statedirs:
+                cmd = 'echo "Test user data" > %s/TEST_FILE' % statedir
+                remote_runcmd(test_url, ['sh', 'c', cmd])
+
+            upgrade = TroveUpgrade(branch, vm_name)
+            upgrade.create_config(instance, upgrade_method='ssh-rsync')
+            upgrade.run_build()
+            upgrade.run_deploy()
+
+            for statedir in statedirs:
+                test_file = '%s/TEST_FILE' % statedir
+                content = remote_runcmd(test_url, ['cat', test_file])
+                assert content == "Test user data"
+
 
 class SimpleTestRunner(cliapp.Application):
     '''
@@ -660,7 +700,7 @@ class SimpleTestRunner(cliapp.Application):
         self.run_test()
 
     def run_test(self):
-        test = TestUpgrades().test_scenario_trove_upgrade
+        test = TestUpgrades().test_scenario_trove_upgrade_shared_user_data
 
         if self.settings['reuse-fixture'] is not None:
             fixture_dir = self.settings['reuse-fixture']
-- 
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