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# Before - using subject, let, and before
describe User do
  subject { create(:user) }

  describe "#latest_tasks" do
    context "when tasks exist for user and another user" do
      let(:another_user) { create(:user) }
      before do
        create_list(:task, 3, user: subject)
        create_list(:task, 5, user: another_user)
      end

      context "when user is admin" do
        subject { create(:user, :admin) }

        it "returns all tasks for all users" do
          expect(subject.latest_tasks.size).to eq 8
        end

        context "when other user is superadmin" do
          let(:another_user) { create(:user, :super_admin) }

          it "returns tasks only for admin" do
            expect(subject.latest_tasks.size).to eq 3
          end
        end
      end
    end
  end
end

# After - whole setup is within an example
describe User do
  describe "#latest_tasks" do
    context "when tasks exist for user and another user" do
      context "when user is admin" do
        it "returns all tasks for all users" do
          admin = create(:user, :admin)
          create_list(:task, 3, user: admin)
          create_list(:task, 5, user: create(:user))

          expect(admin.latest_tasks.size).to eq 8
        end

        context "when other user is superadmin" do
          it "returns tasks only for admin" do
            admin = create(:user, :admin) 
            create_list(:task, 3, user: admin)
            create_list(:task, 5, user: create(:user, :superadmin))

            expect(admin.latest_tasks.size).to eq 3
          end
        end
      end
    end
  end
end