debian-mirror-gitlab/spec/lib/gitlab/serializer/pagination_spec.rb
2020-08-09 17:41:57 +05:30

49 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