1 files changed, 61 insertions, 0 deletions
diff --git a/spec/services/pages_domains/create_service_spec.rb b/spec/services/pages_domains/create_service_spec.rb
new file mode 100644
index 00000000000..cac941fb134
--- /dev/null
+++ b/spec/services/pages_domains/create_service_spec.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::PagesDomains::CreateService do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project, :in_subgroup) }
+
+  let(:domain) { 'new.domain.com' }
+  let(:attributes) { { domain: domain } }
+
+  subject(:service) { described_class.new(project, user, attributes) }
+
+  context 'when the user does not have the required permissions' do
+    it 'does not create a pages domain and does not publish a PagesDomainCreatedEvent' do
+      expect(service.execute).to be_nil
+
+      expect { service.execute }
+        .to not_publish_event(PagesDomains::PagesDomainCreatedEvent)
+        .and not_change(project.pages_domains, :count)
+    end
+  end
+
+  context 'when the user has the required permissions' do
+    before do
+      project.add_maintainer(user)
+    end
+
+    context 'when it saves the domain successfully' do
+      it 'creates the domain and publishes a PagesDomainCreatedEvent' do
+        pages_domain = nil
+
+        expect { pages_domain = service.execute }
+          .to change(project.pages_domains, :count)
+          .and publish_event(PagesDomains::PagesDomainCreatedEvent)
+          .with(
+            project_id: project.id,
+            namespace_id: project.namespace.id,
+            root_namespace_id: project.root_namespace.id,
+            domain: domain
+          )
+
+        expect(pages_domain).to be_persisted
+      end
+    end
+
+    context 'when it fails to save the domain' do
+      let(:domain) { nil }
+
+      it 'does not create a pages domain and does not publish a PagesDomainCreatedEvent' do
+        pages_domain = nil
+
+        expect { pages_domain = service.execute }
+          .to not_publish_event(PagesDomains::PagesDomainCreatedEvent)
+          .and not_change(project.pages_domains, :count)
+
+        expect(pages_domain).not_to be_persisted
+      end
+    end
+  end
+end