Expose comments on Noteables in GraphQL

This exposes `Note`s on Issues & MergeRequests using a
`Types::Notes::NoteableType` in GraphQL.

Exposing notes on a new type can be done by implementing the
`NoteableType` interface on the type. The presented object should
be a `Noteable`.

1 files changed, 6 insertions, 0 deletions

diff --git a/spec/lib/gitlab/diff/position_spec.rb b/spec/lib/gitlab/diff/position_spec.rb
index cc4faf6f10b..aea02d21048 100644
--- a/spec/lib/gitlab/diff/position_spec.rb
+++ b/spec/lib/gitlab/diff/position_spec.rb
@@ -46,6 +46,9 @@ describe Gitlab::Diff::Position do
       )
     end
 
+    it { is_expected.to be_on_text }
+    it { is_expected.not_to be_on_image }
+
     describe "#diff_file" do
       it "returns the correct diff file" do
         diff_file = subject.diff_file(project.repository)
@@ -91,6 +94,9 @@ describe Gitlab::Diff::Position do
       )
     end
 
+    it { is_expected.not_to be_on_text }
+    it { is_expected.to be_on_image }
+
     it "returns the correct diff file" do
       diff_file = subject.diff_file(project.repository)