1 files changed, 94 insertions, 0 deletions
diff --git a/spec/initializers/pages_storage_check_spec.rb b/spec/initializers/pages_storage_check_spec.rb
new file mode 100644
index 00000000000..a76002dbdcf
--- /dev/null
+++ b/spec/initializers/pages_storage_check_spec.rb
@@ -0,0 +1,94 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'pages storage check' do
+  let(:main_error_message) { "Please enable at least one of the two Pages storage strategy (local_store or object_store) in your config/gitlab.yml." }
+
+  subject(:initializer) { load Rails.root.join('config/initializers/pages_storage_check.rb') }
+
+  context 'when local store does not exist yet' do
+    before do
+      Settings.pages['local_store'] = nil
+    end
+
+    it { is_expected.to be_truthy }
+  end
+
+  context 'when pages is not enabled' do
+    before do
+      Settings.pages['enabled'] = false
+    end
+
+    it { is_expected.to be_truthy }
+  end
+
+  context 'when pages is enabled' do
+    before do
+      Settings.pages['enabled'] = true
+      Settings.pages['local_store'] = Settingslogic.new({})
+    end
+
+    context 'when pages object storage is not enabled' do
+      before do
+        Settings.pages['object_store']['enabled'] = false
+      end
+
+      context 'when pages local storage is not enabled' do
+        it 'raises an exception' do
+          Settings.pages['local_store']['enabled'] = false
+
+          expect { subject }.to raise_error(main_error_message)
+        end
+      end
+
+      context 'when pages local storage is enabled' do
+        it 'is true' do
+          Settings.pages['local_store']['enabled'] = true
+
+          expect(subject).to be_truthy
+        end
+      end
+    end
+
+    context 'when pages object storage is enabled' do
+      before do
+        Settings.pages['object_store']['enabled'] = true
+      end
+
+      context 'when pages local storage is not enabled' do
+        it 'is true' do
+          Settings.pages['local_store']['enabled'] = false
+
+          expect(subject).to be_truthy
+        end
+      end
+
+      context 'when pages local storage is enabled' do
+        it 'is true' do
+          Settings.pages['local_store']['enabled'] = true
+
+          expect(subject).to be_truthy
+        end
+      end
+    end
+
+    context 'when using integers instead of booleans' do
+      it 'is true' do
+        Settings.pages['local_store']['enabled'] = 1
+        Settings.pages['object_store']['enabled'] = 0
+
+        expect(subject).to be_truthy
+      end
+    end
+
+    context 'when both enabled attributes are not set' do
+      it 'raises an exception' do
+        Settings.pages['local_store']['enabled'] = nil
+        Settings.pages['object_store']['enabled'] = nil
+
+        expect { subject }.to raise_error(main_error_message)
+      end
+    end
+  end
+end