[PATCH v3 1/2] Acceptance test: provides to use different transport for migration

[Oksana Vohchana <ovoshcha@redhat.com>]

Along with VM migration via TCP, we can use migration through EXEC
and UNIX transport protocol

Signed-off-by: Oksana Vohchana <ovoshcha@redhat.com>

---
v2:
  - Removes unnecessary symbols and unused method

v3:
 - Makes refactoring and split into 2 patches
Signed-off-by: Oksana Vohchana <ovoshcha@redhat.com>
---
 tests/acceptance/migration.py | 36 ++++++++++++++++++++---------------
 1 file changed, 21 insertions(+), 15 deletions(-)

diff --git a/tests/acceptance/migration.py b/tests/acceptance/migration.py
index a44c1ae58f..34263d8eeb 100644
--- a/tests/acceptance/migration.py
+++ b/tests/acceptance/migration.py
@@ -24,6 +24,26 @@ class Migration(Test):
     def migration_finished(vm):
         return vm.command('query-migrate')['status'] in ('completed', 'failed')
 
+    def assert_migration(self, source_vm, dest_vm):
+        wait.wait_for(self.migration_finished,
+                      timeout=self.timeout,
+                      step=0.1,
+                      args=(source_vm,))
+        self.assertEqual(source_vm.command('query-migrate')['status'], 'completed')
+        self.assertEqual(dest_vm.command('query-migrate')['status'], 'completed')
+        self.assertEqual(dest_vm.command('query-status')['status'], 'running')
+        self.assertEqual(source_vm.command('query-status')['status'], 'postmigrate')
+
+    def do_migrate(self, dest_uri, src_uri=None):
+        source_vm = self.get_vm()
+        dest_vm = self.get_vm('-incoming', dest_uri)
+        dest_vm.launch()
+        if src_uri is None:
+            src_uri = dest_uri
+        source_vm.launch()
+        source_vm.qmp('migrate', uri=src_uri)
+        self.assert_migration(source_vm, dest_vm)
+
     def _get_free_port(self):
         port = network.find_free_port()
         if port is None:
@@ -32,19 +52,5 @@ class Migration(Test):
 
 
     def test_migration_with_tcp_localhost(self):
-        source_vm = self.get_vm()
         dest_uri = 'tcp:localhost:%u' % self._get_free_port()
-        dest_vm = self.get_vm('-incoming', dest_uri)
-        dest_vm.launch()
-        source_vm.launch()
-        source_vm.qmp('migrate', uri=dest_uri)
-        wait.wait_for(
-            self.migration_finished,
-            timeout=self.timeout,
-            step=0.1,
-            args=(source_vm,)
-        )
-        self.assertEqual(dest_vm.command('query-migrate')['status'], 'completed')
-        self.assertEqual(source_vm.command('query-migrate')['status'], 'completed')
-        self.assertEqual(dest_vm.command('query-status')['status'], 'running')
-        self.assertEqual(source_vm.command('query-status')['status'], 'postmigrate')
+        self.do_migrate(dest_uri)
-- 
2.21.1