47 lines
1.1 KiB
Ruby
47 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
RSpec.shared_examples 'a where_composite scope' do |scope_name|
|
|
let(:result) { described_class.public_send(scope_name, ids) }
|
|
|
|
context 'we pass an empty array' do
|
|
let(:ids) { [] }
|
|
|
|
it 'returns a null relation' do
|
|
expect(result).to be_empty
|
|
end
|
|
end
|
|
|
|
context 'we pass nil' do
|
|
let(:ids) { nil }
|
|
|
|
it 'returns a null relation' do
|
|
expect(result).to be_empty
|
|
end
|
|
end
|
|
|
|
context 'we pass a singleton composite id' do
|
|
let(:ids) { composite_ids.first }
|
|
|
|
it 'finds the first result' do
|
|
expect(result).to contain_exactly(first_result)
|
|
end
|
|
end
|
|
|
|
context 'we pass group of ids' do
|
|
let(:ids) { composite_ids }
|
|
|
|
it 'finds all the results' do
|
|
expect(result).to contain_exactly(*all_results)
|
|
end
|
|
end
|
|
|
|
describe 'performance' do
|
|
it 'is not O(N)' do
|
|
all_ids = composite_ids
|
|
one_id = composite_ids.first
|
|
|
|
expect { described_class.public_send(scope_name, all_ids) }
|
|
.to issue_same_number_of_queries_as { described_class.public_send(scope_name, one_id) }
|
|
end
|
|
end
|
|
end
|