46 lines
1.4 KiB
Ruby
46 lines
1.4 KiB
Ruby
require 'spec_helper'
|
|
|
|
describe Gitlab::MultiCollectionPaginator do
|
|
subject(:paginator) { described_class.new(Project.all.order(:id), Group.all.order(:id), per_page: 3) }
|
|
|
|
it 'combines both collections' do
|
|
project = create(:project)
|
|
group = create(:group)
|
|
|
|
expect(paginator.paginate(1)).to eq([project, group])
|
|
end
|
|
|
|
it 'includes elements second collection if first collection is empty' do
|
|
group = create(:group)
|
|
|
|
expect(paginator.paginate(1)).to eq([group])
|
|
end
|
|
|
|
context 'with a full first page' do
|
|
let!(:all_groups) { create_list(:group, 4) }
|
|
let!(:all_projects) { create_list(:project, 4) }
|
|
|
|
it 'knows the total count of the collection' do
|
|
expect(paginator.total_count).to eq(8)
|
|
end
|
|
|
|
it 'fills the first page with elements of the first collection' do
|
|
expect(paginator.paginate(1)).to eq(all_projects.take(3))
|
|
end
|
|
|
|
it 'fils the second page with a mixture of of the first & second collection' do
|
|
first_collection_element = all_projects.last
|
|
second_collection_elements = all_groups.take(2)
|
|
|
|
expected_collection = [first_collection_element] + second_collection_elements
|
|
|
|
expect(paginator.paginate(2)).to eq(expected_collection)
|
|
end
|
|
|
|
it 'fils the last page with elements from the second collection' do
|
|
expected_collection = all_groups[-2..-1]
|
|
|
|
expect(paginator.paginate(3)).to eq(expected_collection)
|
|
end
|
|
end
|
|
end
|