62 lines
1.6 KiB
Ruby
62 lines
1.6 KiB
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
require 'rails_helper'
|
||
|
|
|
||
|
|
describe ConnectionPool::SharedTimedStack do
|
||
|
|
class MiniConnection
|
||
|
|
attr_reader :site
|
||
|
|
|
||
|
|
def initialize(site)
|
||
|
|
@site = site
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
subject { described_class.new(5) { |site| MiniConnection.new(site) } }
|
||
|
|
|
||
|
|
describe '#push' do
|
||
|
|
it 'keeps the connection in the stack' do
|
||
|
|
subject.push(MiniConnection.new('foo'))
|
||
|
|
expect(subject.size).to eq 1
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#pop' do
|
||
|
|
it 'returns a connection' do
|
||
|
|
expect(subject.pop('foo')).to be_a MiniConnection
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'returns the same connection that was pushed in' do
|
||
|
|
connection = MiniConnection.new('foo')
|
||
|
|
subject.push(connection)
|
||
|
|
expect(subject.pop('foo')).to be connection
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'does not create more than maximum amount of connections' do
|
||
|
|
expect { 6.times { subject.pop('foo', 0) } }.to raise_error Timeout::Error
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'repurposes a connection for a different site when maximum amount is reached' do
|
||
|
|
5.times { subject.push(MiniConnection.new('foo')) }
|
||
|
|
expect(subject.pop('bar')).to be_a MiniConnection
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#empty?' do
|
||
|
|
it 'returns true when no connections on the stack' do
|
||
|
|
expect(subject.empty?).to be true
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'returns false when there are connections on the stack' do
|
||
|
|
subject.push(MiniConnection.new('foo'))
|
||
|
|
expect(subject.empty?).to be false
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#size' do
|
||
|
|
it 'returns the number of connections on the stack' do
|
||
|
|
2.times { subject.push(MiniConnection.new('foo')) }
|
||
|
|
expect(subject.size).to eq 2
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|