Check for recursion and fail if too recursive

- List all overly-recursive fields
- Reduce recursion threshold to 2
- Add test for not-recursive-enough query
- Use reusable methods in tests
- Add changelog
- Set changeable acceptable recursion level
- Add error check test helpers

1 files changed, 5 insertions, 5 deletions

diff --git a/app/graphql/gitlab_schema.rb b/app/graphql/gitlab_schema.rb
index 4c8612c8f2e..1899278ff3c 100644
--- a/app/graphql/gitlab_schema.rb
+++ b/app/graphql/gitlab_schema.rb
@@ -18,15 +18,15 @@ class GitlabSchema < GraphQL::Schema
   use Gitlab::Graphql::GenericTracing
 
   query_analyzer Gitlab::Graphql::QueryAnalyzers::LoggerAnalyzer.new
-
-  query(Types::QueryType)
-
-  default_max_page_size 100
+  query_analyzer Gitlab::Graphql::QueryAnalyzers::RecursionAnalyzer.new
 
   max_complexity DEFAULT_MAX_COMPLEXITY
   max_depth DEFAULT_MAX_DEPTH
 
-  mutation(Types::MutationType)
+  query Types::QueryType
+  mutation Types::MutationType
+
+  default_max_page_size 100
 
   class << self
     def multiplex(queries, **kwargs)