Add tests for `ApplicationHelper`

spec/helpers/application_helper_spec.rb

@@ -2,7 +2,117 @@
 
 require "rails_helper"
 
-describe ApplicationHelper, :type => :helper do
+describe ApplicationHelper, type: :helper do
+  describe "#inbox_count" do
+    context "no signed in user" do
+      it "should return 0 as inbox count" do
+        expect(helper.inbox_count).to eq(0)
+      end
+    end
+
+    context "user is signed in" do
+      let(:user) { FactoryBot.create(:user) }
+      let(:question) { FactoryBot.create(:question) }
+
+      before do
+        sign_in(user)
+        Inbox.create(user_id: user.id, question_id: question.id, new: true)
+      end
+
+      it "should return the inbox count" do
+        expect(helper.inbox_count).to eq(1)
+      end
+    end
+  end
+
+  describe "#notification_count" do
+    context "no signed in user" do
+      it "should return 0 as notification count" do
+        expect(helper.notification_count).to eq(0)
+      end
+    end
+
+    context "user is signed in" do
+      let(:user) { FactoryBot.create(:user) }
+      let(:another_user) { FactoryBot.create(:user) }
+
+      before do
+        sign_in(user)
+        another_user.follow(user)
+      end
+
+      it "should return the notification count" do
+        expect(helper.notification_count).to eq(1)
+      end
+    end
+  end
+
+  describe "#privileged" do
+    context "current user and checked user do not match" do
+      let(:user) { FactoryBot.create(:user) }
+      let(:priv_user) { FactoryBot.create(:user) }
+
+      before do
+        sign_in(user)
+      end
+
+      it "should not return true" do
+        expect(helper.privileged?(priv_user)).to eq(false)
+      end
+    end
+
+    context "current user and checked user match" do
+      let(:user) { FactoryBot.create(:user) }
+
+      before do
+        sign_in(user)
+      end
+
+      it "should return true" do
+        expect(helper.privileged?(user)).to eq(true)
+      end
+    end
+
+    context "current user is moderator" do
+      let(:user) { FactoryBot.create(:user, roles: [:moderator]) }
+      let(:priv_user) { FactoryBot.create(:user) }
+
+      before do
+        sign_in(user)
+      end
+
+      it "should return true" do
+        expect(helper.privileged?(priv_user)).to eq(true)
+      end
+    end
+  end
+
+  describe "#ios_web_app" do
+    context "Non-iOS device" do
+      it "should not return true" do
+        controller.request.user_agent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2;"
+
+        expect(helper.ios_web_app?).to eq(false)
+      end
+    end
+
+    context "iOS device (not in web app mode)" do
+      it "should not return true" do
+        controller.request.user_agent = "Mozilla/5.0 (iPhone; CPU iPhone OS 8_1_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B435 Safari/600.1.4"
+
+        expect(helper.ios_web_app?).to eq(false)
+      end
+    end
+
+    context "iOS device" do
+      it "should return true" do
+        controller.request.user_agent = "Mozilla/5.0 (iPhone; CPU iPhone OS 8_1_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12B435"
+
+        expect(helper.ios_web_app?).to eq(true)
+      end
+    end
+  end
+
   describe "#rails_admin_path_for_resource" do
     context "user resource" do
       let(:resource) { FactoryBot.create(:user) }