Add specs for ThemeHelper

spec/helpers/theme_helper_spec.rb

@@ -0,0 +1,108 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe ThemeHelper, :type => :helper do
+  describe "#get_hex_color_from_theme_value" do
+    it "returns the proper hex value from the theme value" do
+      expect(helper.get_hex_color_from_theme_value(16777215)).to eq("ffffff")
+    end
+  end
+
+  describe "#get_decimal_triplet_from_hex" do
+    it "returns the proper decimal triplet from a hex value" do
+      expect(helper.get_decimal_triplet_from_hex("5e35b1")).to eq("94, 53, 177")
+    end
+  end
+
+  describe "#get_active_theme" do
+    context "when user is a guest" do
+      context "when target page doesn't have a theme" do
+        it "returns no theme" do
+          expect(helper.get_active_theme).to be_nil
+        end
+      end
+
+      context "when target page has a theme" do
+        before(:each) do
+          @user = FactoryBot.create(:user)
+          @user.theme = Theme.new
+          @user.save!
+        end
+
+        it "returns a theme" do
+          expect(helper.get_active_theme).to be_a(Theme)
+        end
+      end
+    end
+
+    context "when user is signed in" do
+      let(:user) { FactoryBot.create(:user) }
+
+      before(:each) { sign_in(user) }
+
+      context "when user has no theme" do
+        context "when target page has no theme" do
+          it "returns no theme" do
+            expect(helper.get_active_theme).to be_nil
+          end
+        end
+
+        context "when target page has a theme" do
+          let(:theme) { Theme.new }
+
+          before(:each) do
+            @user = FactoryBot.create(:user)
+            @user.theme = theme
+            @user.save!
+          end
+
+          it "returns a theme" do
+            expect(helper.get_active_theme).to be(theme)
+          end
+        end
+      end
+
+      context "when user has a theme" do
+        let(:theme) { Theme.new }
+
+        before(:each) do
+          user.theme = theme
+          user.show_foreign_themes = true
+          user.save!
+        end
+
+        context "when target page has no theme" do
+          it "returns the theme of the current user" do
+            expect(helper.get_active_theme).to eq(theme)
+          end
+        end
+
+        context "when target page has a theme" do
+          let(:user_theme) { Theme.new }
+
+          before(:each) do
+            @user = FactoryBot.create(:user)
+            @user.theme = user_theme
+            @user.save!
+          end
+
+          it "returns the theme of the current page" do
+            expect(helper.get_active_theme).to eq(user_theme)
+          end
+
+          context "when user doesn't allow foreign themes" do
+            before(:each) do
+              user.show_foreign_themes = false
+              user.save!
+            end
+
+            it "should return the users theme" do
+              expect(helper.get_active_theme).to eq(theme)
+            end
+          end
+        end
+      end
+    end
+  end
+end

spec/rails_helper.rb

@@ -77,6 +77,7 @@ RSpec.configure do |config|
   # config.filter_gems_from_backtrace("gem name")
 
   config.include Devise::Test::ControllerHelpers, type: :controller
+  config.include Devise::Test::ControllerHelpers, type: :helper
 end
 
 Dir[Rails.root.join "spec", "shared_examples", "*.rb"].sort.each { |f| require f }