Add scope tests to ZoomMeeting model

db/schema.rb

@@ -3175,8 +3175,8 @@ ActiveRecord::Schema.define(version: 2019_10_04_133612) do
     t.string "tag"
     t.text "description"
     t.integer "project_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.text "description_html"
     t.integer "cached_markdown_version"
     t.integer "author_id"

spec/models/zoom_meeting_spec.rb

@@ -16,6 +16,27 @@ describe ZoomMeeting do
     it { is_expected.to belong_to(:issue).required }
   end
 
+  describe 'scopes' do
+    let(:issue) { create(:issue, project: project) }
+    let!(:added_meeting) { create(:zoom_meeting, :added_to_issue, issue: issue) }
+    let!(:removed_meeting) { create(:zoom_meeting, :removed_from_issue, issue: issue) }
+
+    describe '.added_to_issue' do
+      it 'gets only added meetings' do
+        meetings_added = ZoomMeeting.added_to_issue.pluck(:id)
+        expect(meetings_added).to include(added_meeting.id)
+        expect(meetings_added).not_to include(removed_meeting.id)
+      end
+    end
+    describe '.removed_from_issue' do
+      it 'gets only removed meetings' do
+        meetings_removed = ZoomMeeting.removed_from_issue.pluck(:id)
+        expect(meetings_removed).to include(removed_meeting.id)
+        expect(meetings_removed).to_not include(added_meeting.id)
+      end
+    end
+  end
+
   describe 'Validations' do
     describe 'url' do
       it { is_expected.to validate_presence_of(:url) }