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Contents

require 'delegate'
require 'page_up'

describe "pagination" do
  let(:collection) { (1..12).to_a }

  it 'defaults to page 1' do
    expect(PageUp[collection].page).to eq 1
  end

  it 'defaults to 25 per page' do
    expect(PageUp[collection].per_page).to eq 25
  end

  it 'handles collections below page count' do
    expect(PageUp[collection]).to eq collection
  end

  it 'paginates collections above page count' do
    expect(PageUp[collection,1,5]).to eq [1,2,3,4,5]
    expect(PageUp[collection,2,5]).to eq [6,7,8,9,10]
    expect(PageUp[collection,3,5]).to eq [11,12]
  end

  it 'counts pages' do
    expect(PageUp[collection,1,5].pages).to eq 3
  end

  it 'handles no pages as 1 empty page' do
    expect(PageUp[[],1,5].pages).to eq 1
  end


  describe 'picking the current slice' do
    specify { expect(PageUp[[],1,1].current_slice).to eq 1..1 }
    specify { expect(PageUp[[1,2,3],1,1].current_slice).to eq 1..3 }
    specify { expect(PageUp[collection,1,1].current_slice).to eq 1..5 }
    specify { expect(PageUp[collection,2,1].current_slice).to eq 1..5 }
    specify { expect(PageUp[collection,3,1].current_slice).to eq 1..5 }
    specify { expect(PageUp[collection,4,1].current_slice).to eq 2..6 }
    specify { expect(PageUp[collection,5,1].current_slice).to eq 3..7 }
    specify { expect(PageUp[collection,6,1].current_slice).to eq 4..8 }
    specify { expect(PageUp[collection,7,1].current_slice).to eq 5..9 }
    specify { expect(PageUp[collection,8,1].current_slice).to eq 6..10 }
    specify { expect(PageUp[collection,9,1].current_slice).to eq 7..11 }
    specify { expect(PageUp[collection,10,1].current_slice).to eq 8..12 }
    specify { expect(PageUp[collection,11,1].current_slice).to eq 8..12 }
    specify { expect(PageUp[collection,12,1].current_slice).to eq 8..12 }
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version Path
page_up-0.0.3 spec/page_up/pages_spec.rb