1 files changed, 27 insertions, 0 deletions
diff --git a/spec/lib/bulk_imports/common/transformers/underscorify_keys_transformer_spec.rb b/spec/lib/bulk_imports/common/transformers/underscorify_keys_transformer_spec.rb
new file mode 100644
index 00000000000..cdffa750694
--- /dev/null
+++ b/spec/lib/bulk_imports/common/transformers/underscorify_keys_transformer_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe BulkImports::Common::Transformers::UnderscorifyKeysTransformer do
+  describe '#transform' do
+    it 'deep underscorifies hash keys' do
+      data = {
+        'fullPath' => 'Foo',
+        'snakeKeys' => {
+          'snakeCaseKey' => 'Bar',
+          'moreKeys' => {
+            'anotherSnakeCaseKey' => 'Test'
+          }
+        }
+      }
+
+      transformed_data = described_class.new.transform(nil, data)
+
+      expect(transformed_data).to have_key('full_path')
+      expect(transformed_data).to have_key('snake_keys')
+      expect(transformed_data['snake_keys']).to have_key('snake_case_key')
+      expect(transformed_data['snake_keys']).to have_key('more_keys')
+      expect(transformed_data.dig('snake_keys', 'more_keys')).to have_key('another_snake_case_key')
+    end
+  end
+end