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# frozen_string_literal: true
RSpec.describe Spandx::Core::Cache do
RSpec.shared_examples 'each data file' do |package_manager, key|
describe "#licenses_for(#{package_manager})" do
subject { described_class.new(package_manager, root: root_dir) }
let(:root_dir) { "#{Spandx.git[key].root}/.index" }
it 'finds each package quickly' do
subject.take(10).each do |item|
expect do
subject.licenses_for(item[0], item[1])
end.to perform_under(0.005).sample(10)
end
end
it 'finds each package correctly' do
subject.take(100).each do |item|
result = subject.licenses_for(item[0], item[1])
expect(result).to match_array([item[2]].reject(&:nil?).reject(&:empty?)), "Could not find #{item[0]}:#{item[1]}"
end
end
it 'returns an empty list of unknown packages' do
expect(subject.licenses_for('x', 'x')).to be_empty
end
end
end
include_examples 'each data file', 'npm', :cache
include_examples 'each data file', 'nuget', :cache
include_examples 'each data file', 'rubygems', :rubygems
include_examples 'each data file', 'yarn', :cache
describe '#insert!' do
subject { described_class.new('rubygems', root: root_dir) }
let(:root_dir) { Dir.mktmpdir }
after do
FileUtils.remove_entry(root_dir)
end
context 'when inserting a new record' do
let(:dependency_name) { SecureRandom.uuid }
let(:version) { "#{rand(10)}.#{rand(10)}.#{rand(10)}" }
before do
subject.insert!(dependency_name, version, ['MIT'])
end
specify { expect(subject.licenses_for(dependency_name, version)).to match_array(['MIT']) }
end
context 'when attempting to insert invalid entries' do
specify do
subject.insert!(nil, '1.1.1', ['MIT'])
expect(subject.licenses_for(nil, '1.1.1')).to be_empty
end
specify do
subject.insert!('', '1.1.1', ['MIT'])
expect(subject.licenses_for('', '1.1.1')).to be_empty
end
specify do
subject.insert!('spandx', nil, ['MIT'])
expect(subject.licenses_for('spandx', nil)).to be_empty
end
specify do
subject.insert!('spandx', nil, ['MIT'])
expect(File.exist?(File.join(root_dir, 'cf', subject.package_manager))).to be(false)
end
specify do
subject.insert!('spandx', '', ['MIT'])
expect(subject.licenses_for('spandx', '')).to be_empty
end
specify do
subject.insert!('spandx', '', ['MIT'])
expect(File.exist?(File.join(root_dir, 'cf', subject.package_manager))).to be(false)
end
end
end
describe '#rebuild_index' do
subject { described_class.new('rubygems', root: root_dir) }
let(:root_dir) { Dir.mktmpdir }
after do
FileUtils.remove_entry(root_dir)
end
context 'when new items are added to the catalogue' do
let(:items) do
[
['spandx', '0.0.0', ['MIT']],
['bolt', '0.2.0', ['Apache-2.0']],
['spandx', '0.1.0', ['MIT']]
]
end
let(:sorted_items) { items.sort }
before do
items.each do |item|
subject.insert(item[0], item[1], item[2])
end
subject.rebuild_index
end
it 'sorts each datafile' do
lines = subject.datafile_for('spandx').absolute_path.readlines
expect(lines).to eql(lines.sort)
end
it 'builds an index that contains the seek position for the start of each line' do
data_file = subject.datafile_for('spandx')
data_file.open_file do |io|
i = 0
data_file.index.each do |position|
io.seek(position)
expect(io.gets).to eql("\"#{sorted_items[i].flatten.join('","')}\"\n")
i += 1
end
end
end
specify { expect(subject.licenses_for('bolt', '0.2.0')).to match_array(['Apache-2.0']) }
specify { expect(subject.licenses_for('spandx', '0.0.0')).to match_array(['MIT']) }
specify { expect(subject.licenses_for('spandx', '0.1.0')).to match_array(['MIT']) }
end
end
describe '#each' do
context 'when a single item is present in the cache' do
subject { described_class.new('rubygems', root: root_dir) }
let(:root_dir) { Dir.mktmpdir }
before do
subject.insert!('spandx', '0.0.0', ['MIT'])
end
after do
FileUtils.remove_entry(root_dir)
end
it 'yields each item in the cache' do
collect = []
subject.each do |item|
collect << item
end
expect(collect).to match_array([['spandx', '0.0.0', 'MIT']])
end
end
context 'when multiple items are in multiple datafiles' do
subject { described_class.new('rubygems', root: root_dir) }
let(:root_dir) { "#{Spandx.git[:rubygems].root}/.index" }
it 'yields each item in the cache' do
expect(subject.count).to be > 800_000
end
it 'yields each item quickly' do
expect { subject.take(100_000).count }.to perform_under(0.1).sample(10)
end
end
end
end
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