1 files changed, 40 insertions, 0 deletions
diff --git a/spec/models/namespace/detail_spec.rb b/spec/models/namespace/detail_spec.rb
new file mode 100644
index 00000000000..1bb756c441b
--- /dev/null
+++ b/spec/models/namespace/detail_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Namespace::Detail, type: :model do
+  describe 'associations' do
+    it { is_expected.to belong_to :namespace }
+  end
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:namespace) }
+  end
+
+  context 'when namespace description changes' do
+    let(:namespace) { create(:namespace, description: "old") }
+
+    it 'changes namespace details description' do
+      expect { namespace.update!(description: "new") }
+        .to change { namespace.namespace_details.description }.from("old").to("new")
+    end
+  end
+
+  context 'when project description changes' do
+    let(:project) { create(:project, description: "old") }
+
+    it 'changes project namespace details description' do
+      expect { project.update!(description: "new") }
+        .to change { project.project_namespace.namespace_details.description }.from("old").to("new")
+    end
+  end
+
+  context 'when group description changes' do
+    let(:group) { create(:group, description: "old") }
+
+    it 'changes group namespace details description' do
+      expect { group.update!(description: "new") }
+        .to change { group.namespace_details.description }.from("old").to("new")
+    end
+  end
+end