1 files changed, 87 insertions, 0 deletions
diff --git a/spec/features/merge_request/user_sees_discussions_spec.rb b/spec/features/merge_request/user_sees_discussions_spec.rb
new file mode 100644
index 00000000000..d6e8c8e86ba
--- /dev/null
+++ b/spec/features/merge_request/user_sees_discussions_spec.rb
@@ -0,0 +1,87 @@
+require 'rails_helper'
+
+describe 'Merge request > User sees discussions' do
+  let(:project) { create(:project, :public, :repository) }
+  let(:user) { project.creator }
+  let(:merge_request) { create(:merge_request, source_project: project) }
+
+  before do
+    project.add_master(user)
+    sign_in(user)
+  end
+
+  describe "Diff discussions" do
+    let!(:old_merge_request_diff) { merge_request.merge_request_diffs.create(diff_refs: outdated_diff_refs) }
+    let!(:new_merge_request_diff) { merge_request.merge_request_diffs.create }
+    let!(:outdated_discussion) { create(:diff_note_on_merge_request, project: project, noteable: merge_request, position: outdated_position).to_discussion }
+    let!(:active_discussion) { create(:diff_note_on_merge_request, noteable: merge_request, project: project).to_discussion }
+    let(:outdated_position) do
+      Gitlab::Diff::Position.new(
+        old_path: "files/ruby/popen.rb",
+        new_path: "files/ruby/popen.rb",
+        old_line: nil,
+        new_line: 9,
+        diff_refs: outdated_diff_refs
+      )
+    end
+    let(:outdated_diff_refs) { project.commit("874797c3a73b60d2187ed6e2fcabd289ff75171e").diff_refs }
+
+    before do
+      visit project_merge_request_path(project, merge_request)
+    end
+
+    context 'active discussions' do
+      it 'shows a link to the diff' do
+        within(".discussion[data-discussion-id='#{active_discussion.id}']") do
+          path = diffs_project_merge_request_path(project, merge_request, anchor: active_discussion.line_code)
+          expect(page).to have_link('the diff', href: path)
+        end
+      end
+    end
+
+    context 'outdated discussions' do
+      it 'shows a link to the outdated diff' do
+        within(".discussion[data-discussion-id='#{outdated_discussion.id}']") do
+          path = diffs_project_merge_request_path(project, merge_request, diff_id: old_merge_request_diff.id, anchor: outdated_discussion.line_code)
+          expect(page).to have_link('an old version of the diff', href: path)
+        end
+      end
+    end
+  end
+
+  describe 'Commit comments displayed in MR context', :js do
+    shared_examples 'a functional discussion' do
+      let(:discussion_id) { note.discussion_id(merge_request) }
+
+      it 'is displayed' do
+        expect(page).to have_css(".discussion[data-discussion-id='#{discussion_id}']")
+      end
+
+      it 'can be replied to' do
+        within(".discussion[data-discussion-id='#{discussion_id}']") do
+          click_button 'Reply...'
+          fill_in 'note[note]', with: 'Test!'
+          click_button 'Comment'
+
+          expect(page).to have_css('.note', count: 2)
+        end
+      end
+    end
+
+    before do
+      visit project_merge_request_path(project, merge_request)
+    end
+
+    context 'a regular commit comment' do
+      let(:note) { create(:note_on_commit, project: project) }
+
+      it_behaves_like 'a functional discussion'
+    end
+
+    context 'a commit diff comment' do
+      let(:note) { create(:diff_note_on_commit, project: project) }
+
+      it_behaves_like 'a functional discussion'
+    end
+  end
+end