1 files changed, 69 insertions, 0 deletions
diff --git a/spec/controllers/concerns/issuable_actions_spec.rb b/spec/controllers/concerns/issuable_actions_spec.rb
new file mode 100644
index 00000000000..7b0b4497f3f
--- /dev/null
+++ b/spec/controllers/concerns/issuable_actions_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe IssuableActions do
+  let(:project) { double('project') }
+  let(:user) { double('user') }
+  let(:issuable) { double('issuable') }
+  let(:finder_params_for_issuable) { {} }
+  let(:notes_result) { double('notes_result') }
+  let(:discussion_serializer) { double('discussion_serializer') }
+
+  let(:controller) do
+    klass = Class.new do
+      attr_reader :current_user, :project, :issuable
+
+      def self.before_action(action, params = nil)
+      end
+
+      include IssuableActions
+
+      def initialize(issuable, project, user, finder_params)
+        @issuable = issuable
+        @project = project
+        @current_user = user
+        @finder_params = finder_params
+      end
+
+      def finder_params_for_issuable
+        @finder_params
+      end
+
+      def params
+        {
+          notes_filter: 1
+        }
+      end
+
+      def prepare_notes_for_rendering(notes)
+        []
+      end
+
+      def render(options)
+      end
+    end
+
+    klass.new(issuable, project, user, finder_params_for_issuable)
+  end
+
+  describe '#discussions' do
+    before do
+      allow(user).to receive(:set_notes_filter)
+      allow(user).to receive(:user_preference)
+      allow(discussion_serializer).to receive(:represent)
+    end
+
+    it 'instantiates and calls NotesFinder as expected' do
+      expect(Discussion).to receive(:build_collection).and_return([])
+      expect(DiscussionSerializer).to receive(:new).and_return(discussion_serializer)
+      expect(NotesFinder).to receive(:new).with(user, finder_params_for_issuable).and_call_original
+
+      expect_any_instance_of(NotesFinder).to receive(:execute).and_return(notes_result)
+
+      expect(notes_result).to receive_messages(inc_relations_for_view: notes_result, includes: notes_result, fresh: notes_result)
+
+      controller.discussions
+    end
+  end
+end