Add active_language controller and cookie storage

spec/helpers/active_language_helper_spec.rb

@@ -0,0 +1,31 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the ActiveLanguageHelper. For example:
+#
+# describe ActiveLanguageHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe ActiveLanguageHelper, type: :helper do
+
+  describe "active_language_helper_tag" do
+    before :each do
+      english = FactoryBot.create(:language_english)
+      2.times { FactoryBot.create(:language) }
+      @tag = active_language_select_tag
+    end
+
+    it "should return a select tag" do
+      expect(@tag).to have_selector(%(select))
+    end
+
+    it "should not contain an English option" do
+      expect(@tag).to_not include("English")
+      
+    end
+  end
+end