require 'spec_helper' describe Gitlab::Sherlock::Collection do let(:collection) { described_class.new } let(:transaction) do Gitlab::Sherlock::Transaction.new('POST', '/cat_pictures') end describe '#add' do it 'adds a new transaction' do collection.add(transaction) expect(collection).to_not be_empty end it 'is aliased as <<' do collection << transaction expect(collection).to_not be_empty end end describe '#each' do it 'iterates over every transaction' do collection.add(transaction) expect { |b| collection.each(&b) }.to yield_with_args(transaction) end end describe '#clear' do it 'removes all transactions' do collection.add(transaction) collection.clear expect(collection).to be_empty end end describe '#empty?' do it 'returns true for an empty collection' do expect(collection).to be_empty end it 'returns false for a collection with a transaction' do collection.add(transaction) expect(collection).to_not be_empty end end describe '#find_transaction' do it 'returns the transaction for the given ID' do collection.add(transaction) expect(collection.find_transaction(transaction.id)).to eq(transaction) end it 'returns nil when no transaction could be found' do collection.add(transaction) expect(collection.find_transaction('cats')).to be_nil end end describe '#newest_first' do it 'returns transactions sorted from new to old' do trans1 = Gitlab::Sherlock::Transaction.new('POST', '/cat_pictures') trans2 = Gitlab::Sherlock::Transaction.new('POST', '/more_cat_pictures') allow(trans1).to receive(:finished_at).and_return(Time.utc(2015, 1, 1)) allow(trans2).to receive(:finished_at).and_return(Time.utc(2015, 1, 2)) collection.add(trans1) collection.add(trans2) expect(collection.newest_first).to eq([trans2, trans1]) end end end