1 files changed, 33 insertions, 0 deletions
diff --git a/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb b/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
index 759b22f794e..eafa589a1d3 100644
--- a/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
+++ b/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
@@ -71,5 +71,38 @@ RSpec.shared_examples 'a valid diff positionable note' do |factory_on_commit|
         end
       end
     end
+
+    describe 'schema validation' do
+      where(:position_attrs) do
+        [
+          { old_path: SecureRandom.alphanumeric(1001) },
+          { new_path: SecureRandom.alphanumeric(1001) },
+          { old_line: "foo" }, # this should be an integer
+          { new_line: "foo" }, # this should be an integer
+          { line_range: { "foo": "bar" } },
+          { line_range: { "line_code": SecureRandom.alphanumeric(101) } },
+          { line_range: { "type": SecureRandom.alphanumeric(101) } },
+          { line_range: { "old_line": "foo" } },
+          { line_range: { "new_line": "foo" } }
+        ]
+      end
+
+      with_them do
+        let(:position) do
+          Gitlab::Diff::Position.new(
+            {
+              old_path: "files/ruby/popen.rb",
+              new_path: "files/ruby/popen.rb",
+              old_line: nil,
+              new_line: 14,
+              line_range: nil,
+              diff_refs: diff_refs
+            }.merge(position_attrs)
+          )
+        end
+
+        it { is_expected.to be_invalid }
+      end
+    end
   end
 end