single_user_mode? always returns boolean (#3215)

This change also adds a specification for the method.

1 files changed, 24 insertions, 0 deletions

diff --git a/spec/controllers/application_controller_spec.rb b/spec/controllers/application_controller_spec.rb
new file mode 100644
index 000000000..44830e12b
--- /dev/null
+++ b/spec/controllers/application_controller_spec.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe ApplicationController do
+  describe 'helper_method :single_user_mode?' do
+    it 'returns false if it is in single_user_mode but there is no account' do
+      allow(Rails.configuration.x).to receive(:single_user_mode).and_return(true)
+      expect(controller.view_context.single_user_mode?).to eq false
+    end
+
+    it 'returns false if there is an account but it is not in single_user_mode' do
+      allow(Rails.configuration.x).to receive(:single_user_mode).and_return(false)
+      Fabricate(:account)
+      expect(controller.view_context.single_user_mode?).to eq false
+    end
+
+    it 'returns true if it is in single_user_mode and there is an account' do
+      allow(Rails.configuration.x).to receive(:single_user_mode).and_return(true)
+      Fabricate(:account)
+      expect(controller.view_context.single_user_mode?).to eq true
+    end
+  end
+end