1 files changed, 154 insertions, 0 deletions
diff --git a/spec/models/zoom_meeting_spec.rb b/spec/models/zoom_meeting_spec.rb
new file mode 100644
index 00000000000..3dad957a1ce
--- /dev/null
+++ b/spec/models/zoom_meeting_spec.rb
@@ -0,0 +1,154 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ZoomMeeting do
+  let(:project) { build(:project) }
+
+  describe 'Factory' do
+    subject { build(:zoom_meeting) }
+
+    it { is_expected.to be_valid }
+  end
+
+  describe 'Associations' do
+    it { is_expected.to belong_to(:project).required }
+    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 = described_class.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 = described_class.removed_from_issue.pluck(:id)
+
+        expect(meetings_removed).to include(removed_meeting.id)
+        expect(meetings_removed).not_to include(added_meeting.id)
+      end
+    end
+  end
+
+  describe 'Validations' do
+    describe 'url' do
+      it { is_expected.to validate_presence_of(:url) }
+      it { is_expected.to validate_length_of(:url).is_at_most(255) }
+
+      shared_examples 'invalid Zoom URL' do
+        it do
+          expect(subject).to be_invalid
+          expect(subject.errors[:url])
+            .to contain_exactly('must contain one valid Zoom URL')
+        end
+      end
+
+      context 'with non-Zoom URL' do
+        before do
+          subject.url = %{https://non-zoom.url}
+        end
+
+        include_examples 'invalid Zoom URL'
+      end
+
+      context 'with multiple Zoom-URLs' do
+        before do
+          subject.url = %{https://zoom.us/j/123 https://zoom.us/j/456}
+        end
+
+        include_examples 'invalid Zoom URL'
+      end
+    end
+
+    describe 'issue association' do
+      let(:issue) { build(:issue, project: project) }
+
+      subject { build(:zoom_meeting, project: project, issue: issue) }
+
+      context 'for the same project' do
+        it { is_expected.to be_valid }
+      end
+
+      context 'for a different project' do
+        let(:issue) { build(:issue) }
+
+        it do
+          expect(subject).to be_invalid
+          expect(subject.errors[:issue])
+            .to contain_exactly('must associate the same project')
+        end
+      end
+    end
+  end
+
+  describe 'limit number of meetings per issue' do
+    shared_examples 'can add meetings' do
+      it 'can add new Zoom meetings' do
+        create(:zoom_meeting, :added_to_issue, issue: issue)
+      end
+    end
+
+    shared_examples 'can remove meetings' do
+      it 'can remove Zoom meetings' do
+        create(:zoom_meeting, :removed_from_issue, issue: issue)
+      end
+    end
+
+    shared_examples 'cannot add meetings' do
+      it 'fails to add a new meeting' do
+        expect do
+          create(:zoom_meeting, :added_to_issue, issue: issue)
+        end.to raise_error ActiveRecord::RecordNotUnique
+      end
+    end
+
+    let(:issue) { create(:issue, project: project) }
+
+    context 'without meetings' do
+      it_behaves_like 'can add meetings'
+    end
+
+    context 'when no other meeting is added' do
+      before do
+        create(:zoom_meeting, :removed_from_issue, issue: issue)
+      end
+
+      it_behaves_like 'can add meetings'
+    end
+
+    context 'when meeting is added' do
+      before do
+        create(:zoom_meeting, :added_to_issue, issue: issue)
+      end
+
+      it_behaves_like 'cannot add meetings'
+    end
+
+    context 'when meeting is added to another issue' do
+      let(:another_issue) { create(:issue, project: project) }
+
+      before do
+        create(:zoom_meeting, :added_to_issue, issue: another_issue)
+      end
+
+      it_behaves_like 'can add meetings'
+    end
+
+    context 'when second meeting is removed' do
+      before do
+        create(:zoom_meeting, :removed_from_issue, issue: issue)
+      end
+
+      it_behaves_like 'can remove meetings'
+    end
+  end
+end