Do not require name servers in registrar area

#267

spec/models/concerns/domain/activatable_spec.rb

@@ -0,0 +1,68 @@
+require 'rails_helper'
+
+RSpec.describe Domain, db: false do
+  describe '#active?' do
+    context 'when :statuses does not contain :inactive' do
+      let(:domain) { described_class.new(statuses: []) }
+
+      it 'returns true' do
+        expect(domain.active?).to be true
+      end
+    end
+
+    context 'when :statuses contains :inactive' do
+      let(:domain) { described_class.new(statuses: [DomainStatus::INACTIVE]) }
+
+      it 'returns false' do
+        expect(domain.active?).to be false
+      end
+    end
+  end
+
+  describe '#inactive?' do
+    context 'when :statuses contains :inactive' do
+      let(:domain) { described_class.new(statuses: [DomainStatus::INACTIVE]) }
+
+      it 'returns true' do
+        expect(domain.inactive?).to be true
+      end
+    end
+
+    context 'when :statuses does not contain :inactive' do
+      let(:domain) { described_class.new(statuses: []) }
+
+      it 'returns false' do
+        expect(domain.inactive?).to be false
+      end
+    end
+  end
+
+  describe '#activate' do
+    let(:domain) { described_class.new(statuses: [DomainStatus::INACTIVE]) }
+
+    it 'activates domain' do
+      domain.activate
+      expect(domain).to be_active
+    end
+  end
+
+  describe '#deactivate' do
+    context 'when active' do
+      let(:domain) { described_class.new }
+
+      it 'deactivates domain' do
+        domain.deactivate
+        expect(domain).to be_inactive
+      end
+    end
+
+    context 'when inactive' do
+      let(:domain) { described_class.new(statuses: [DomainStatus::INACTIVE]) }
+
+      it 'does not add :inactive status' do
+        domain.deactivate
+        expect(domain.statuses).to eq([DomainStatus::INACTIVE])
+      end
+    end
+  end
+end