50 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
 | 
						|
 | 
						|
require 'spec_helper'
 | 
						|
 | 
						|
RSpec.describe Gitlab::Serializer::Pagination do
 | 
						|
  let(:request) { double(url: "#{Gitlab.config.gitlab.url}:8080/api/v4/projects?#{query.to_query}", query_parameters: query) }
 | 
						|
  let(:response) { spy('response') }
 | 
						|
  let(:headers) { spy('headers') }
 | 
						|
 | 
						|
  before do
 | 
						|
    allow(response).to receive(:headers).and_return(headers)
 | 
						|
  end
 | 
						|
 | 
						|
  let(:pagination) { described_class.new(request, response) }
 | 
						|
 | 
						|
  describe '#paginate' do
 | 
						|
    subject { pagination.paginate(resource) }
 | 
						|
 | 
						|
    let(:resource) { User.all }
 | 
						|
    let(:query) { { page: 1, per_page: 2 } }
 | 
						|
 | 
						|
    context 'when a multiple resources are present in relation' do
 | 
						|
      before do
 | 
						|
        create_list(:user, 3)
 | 
						|
      end
 | 
						|
 | 
						|
      it 'correctly paginates the resource' do
 | 
						|
        expect(subject.count).to be 2
 | 
						|
      end
 | 
						|
 | 
						|
      it 'appends relevant headers' do
 | 
						|
        expect(headers).to receive(:[]=).with('X-Total', '3')
 | 
						|
        expect(headers).to receive(:[]=).with('X-Total-Pages', '2')
 | 
						|
        expect(headers).to receive(:[]=).with('X-Per-Page', '2')
 | 
						|
 | 
						|
        subject
 | 
						|
      end
 | 
						|
    end
 | 
						|
 | 
						|
    context 'when an invalid resource is about to be paginated' do
 | 
						|
      let(:resource) { create(:user) }
 | 
						|
 | 
						|
      it 'raises error' do
 | 
						|
        expect { subject }.to raise_error(
 | 
						|
          described_class::InvalidResourceError)
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
end
 |