MongoDB: fixed deprecation warnings

- collection.count() → either counting the result or using count_documents()
- collection.update() → replaced by update_one()

tests/test_routes.py

@@ -52,7 +52,7 @@ class RandomFeaturedNodeTest(AbstractCloudTest):
 
         with self.app.app_context():
             proj_col = self.app.db('projects')
-            proj_col.update(
+            proj_col.update_one(
                 {'_id': self.pid},
                 {'$set': {
                     'nodes_featured': all_asset_ids,
@@ -99,7 +99,7 @@ class RandomFeaturedNodeTest(AbstractCloudTest):
         # Featured but project is private, should be ignored
         with self.app.app_context():
             proj_col = self.app.db('projects')
-            proj_col.update(
+            proj_col.update_one(
                 {'_id': self.pid},
                 {'$set': {
                     'nodes_featured': [node_id],
@@ -110,7 +110,7 @@ class RandomFeaturedNodeTest(AbstractCloudTest):
         # Featured but node is deleted, should be ignored
         with self.app.app_context():
             proj_col = self.app.db('projects')
-            proj_col.update(
+            proj_col.update_one(
                 {'_id': self.pid},
                 {'$set': {
                     'nodes_featured': [node_id],
@@ -118,7 +118,7 @@ class RandomFeaturedNodeTest(AbstractCloudTest):
                 }})
 
             node_col = self.app.db('nodes')
-            node_col.update(
+            node_col.update_one(
                 {'_id': node_id},
                 {'$set': {
                     '_deleted': True,
@@ -149,7 +149,7 @@ class RandomFeaturedNodeTest(AbstractCloudTest):
 
         with self.app.app_context():
             proj_col = self.app.db('projects')
-            proj_col.update(
+            proj_col.update_one(
                 {'_id': self.pid},
                 {'$set': {
                     'nodes_featured': [node_id],

tests/test_stats.py

@@ -21,7 +21,7 @@ class StatsTest(AbstractCloudTest):
         private2 = self.create_project_with_admin(
             24 * 'd', project_overrides={'_id': ObjectId(), 'is_private': None})
 
-        self.assertEqual(4, self.app.db('projects').count())
+        self.assertEqual(4, self.app.db('projects').count_documents({}))
 
         # Create asset node
         self.assertEqual('asset', ctd.EXAMPLE_NODE['node_type'])