Tags info calculation is supported on plugins update

For instance we made plugins sync operation. In this case
tags info should be processed on the same way as on plugin
creation.
Also test for tags metadata migration improved.

Change-Id: I2eebc40af3c3f360e2ef96958a38c7eae0da43d5
Closes-Bug: #1655264

nailgun/nailgun/objects/plugin.py

@@ -121,6 +121,8 @@ class Plugin(NailgunObject):
             graphs[graph.pop('type')] = graph
 
         data.pop("deployment_tasks", [])    # could not be updated
+        # We must save tags info in the roles_metadata on the update
+        data = cls._process_tags(data)
         super(Plugin, cls).update(instance, data)
 
         for graph_type, graph_data in six.iteritems(graphs):

nailgun/nailgun/test/unit/test_migration_fuel_9_2.py

@@ -524,6 +524,33 @@ def prepare():
             ])
         }]
     )
+
+    db.execute(
+        meta.tables['plugins'].insert(),
+        [{
+            'name': 'test_tags',
+            'title': 'Test tags plugin',
+            'version': '2.0.0',
+            'description': 'Test plugin A for Fuel',
+            'homepage': 'http://fuel_plugins.test_plugin.com',
+            'package_version': '5.0.0',
+            'groups': jsonutils.dumps(['tgroup']),
+            'authors': jsonutils.dumps(['tauthor']),
+            'licenses': jsonutils.dumps(['tlicense']),
+            'releases': jsonutils.dumps([
+                {'repository_path': 'repositories/ubuntu'}
+            ]),
+            'deployment_tasks': jsonutils.dumps([]),
+            'fuel_version': jsonutils.dumps(['9.2']),
+            'network_roles_metadata': jsonutils.dumps([]),
+            'roles_metadata': jsonutils.dumps({
+                'plugin-tags-controller': {
+                    'name': 'Plugin Tags Controller',
+                },
+            }),
+        }]
+    )
+
     db.commit()
 
 
@@ -810,7 +837,7 @@ class TestTags(base.BaseAlembicMigrationTest):
         primary_tags = db.execute(query).fetchone()[0]
         self.assertItemsEqual(primary_tags, ['controller', 'role_y'])
 
-    def test_tags_meta_migration(self):
+    def test_tags_releases_meta_migration(self):
         releases = self.meta.tables['releases']
         query = sa.select([releases.c.roles_metadata,
                            releases.c.tags_metadata])
@@ -822,3 +849,18 @@ class TestTags(base.BaseAlembicMigrationTest):
                     tags_meta[role_name].get('has_primary', False),
                     role_meta.get('has_primary', False)
                 )
+                self.assertIn('tags', role_meta)
+
+    def test_tags_plugins_meta_migration(self):
+        plugins = self.meta.tables['plugins']
+        query = sa.select([plugins.c.roles_metadata,
+                           plugins.c.tags_metadata])
+        for roles_meta, tags_meta in db.execute(query):
+            tags_meta = jsonutils.loads(tags_meta)
+            for role_name, role_meta in six.iteritems(
+                    jsonutils.loads(roles_meta)):
+                self.assertEqual(
+                    tags_meta[role_name].get('has_primary', False),
+                    role_meta.get('has_primary', False)
+                )
+                self.assertIn('tags', role_meta)

nailgun/nailgun/test/unit/test_plugin_adapters.py

@@ -161,6 +161,12 @@ class TestPluginBase(base.BaseTestCase):
                 self.assertEqual(
                     getattr(self.plugin, key), val)
 
+    def test_tags_saved_on_plugins_update(self):
+        Plugin.update(self.plugin,
+                      {'roles_metadata': self.plugin.roles_metadata})
+        for role, meta in self.plugin.roles_metadata.items():
+            self.assertIn('tags', meta)
+
     def test_get_deployment_tasks(self):
         dg = DeploymentGraph.get_for_model(self.plugin_adapter.plugin)
         DeploymentGraph.update(