113 lines
3.1 KiB
Ruby
113 lines
3.1 KiB
Ruby
|
require 'spec_helper'
|
||
|
|
|
||
|
|
describe Gitlab::Graphql::Connections::KeysetConnection do
|
||
|
|
let(:nodes) { Project.all.order(id: :asc) }
|
||
|
|
let(:arguments) { {} }
|
||
|
|
subject(:connection) do
|
||
|
|
described_class.new(nodes, arguments, max_page_size: 3)
|
||
|
|
end
|
||
|
|
|
||
|
|
def encoded_property(value)
|
||
|
|
Base64.strict_encode64(value.to_s)
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#cursor_from_nodes' do
|
||
|
|
let(:project) { create(:project) }
|
||
|
|
|
||
|
|
it 'returns an encoded ID' do
|
||
|
|
expect(connection.cursor_from_node(project))
|
||
|
|
.to eq(encoded_property(project.id))
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when an order was specified' do
|
||
|
|
let(:nodes) { Project.order(:updated_at) }
|
||
|
|
|
||
|
|
it 'returns the encoded value of the order' do
|
||
|
|
expect(connection.cursor_from_node(project))
|
||
|
|
.to eq(encoded_property(project.updated_at))
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#sliced_nodes' do
|
||
|
|
let(:projects) { create_list(:project, 4) }
|
||
|
|
|
||
|
|
context 'when before is passed' do
|
||
|
|
let(:arguments) { { before: encoded_property(projects[1].id) } }
|
||
|
|
|
||
|
|
it 'only returns the project before the selected one' do
|
||
|
|
expect(subject.sliced_nodes).to contain_exactly(projects.first)
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when the sort order is descending' do
|
||
|
|
let(:nodes) { Project.all.order(id: :desc) }
|
||
|
|
|
||
|
|
it 'returns the correct nodes' do
|
||
|
|
expect(subject.sliced_nodes).to contain_exactly(*projects[2..-1])
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when after is passed' do
|
||
|
|
let(:arguments) { { after: encoded_property(projects[1].id) } }
|
||
|
|
|
||
|
|
it 'only returns the project before the selected one' do
|
||
|
|
expect(subject.sliced_nodes).to contain_exactly(*projects[2..-1])
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when the sort order is descending' do
|
||
|
|
let(:nodes) { Project.all.order(id: :desc) }
|
||
|
|
|
||
|
|
it 'returns the correct nodes' do
|
||
|
|
expect(subject.sliced_nodes).to contain_exactly(projects.first)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when both before and after are passed' do
|
||
|
|
let(:arguments) do
|
||
|
|
{
|
||
|
|
after: encoded_property(projects[1].id),
|
||
|
|
before: encoded_property(projects[3].id)
|
||
|
|
}
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'returns the expected set' do
|
||
|
|
expect(subject.sliced_nodes).to contain_exactly(projects[2])
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#paged_nodes' do
|
||
|
|
let!(:projects) { create_list(:project, 5) }
|
||
|
|
|
||
|
|
it 'returns the collection limited to max page size' do
|
||
|
|
expect(subject.paged_nodes.size).to eq(3)
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when `first` is passed' do
|
||
|
|
let(:arguments) { { first: 2 } }
|
||
|
|
|
||
|
|
it 'returns only the first elements' do
|
||
|
|
expect(subject.paged_nodes).to contain_exactly(projects.first, projects.second)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when `last` is passed' do
|
||
|
|
let(:arguments) { { last: 2 } }
|
||
|
|
|
||
|
|
it 'returns only the last elements' do
|
||
|
|
expect(subject.paged_nodes).to contain_exactly(projects[3], projects[4])
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
context 'when both are passed' do
|
||
|
|
let(:arguments) { { first: 2, last: 2 } }
|
||
|
|
|
||
|
|
it 'raises an error' do
|
||
|
|
expect { subject.paged_nodes }.to raise_error(Gitlab::Graphql::Errors::ArgumentError)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|