You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.7 KiB
63 lines
1.7 KiB
# frozen_string_literal: true |
|
|
|
require 'rails_helper' |
|
|
|
describe ConnectionPool::SharedTimedStack do |
|
subject { described_class.new(5) { |site| mini_connection_class.new(site) } } |
|
|
|
let(:mini_connection_class) do |
|
Class.new do |
|
attr_reader :site |
|
|
|
def initialize(site) |
|
@site = site |
|
end |
|
end |
|
end |
|
|
|
describe '#push' do |
|
it 'keeps the connection in the stack' do |
|
subject.push(mini_connection_class.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 mini_connection_class |
|
end |
|
|
|
it 'returns the same connection that was pushed in' do |
|
connection = mini_connection_class.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(mini_connection_class.new('foo')) } |
|
expect(subject.pop('bar')).to be_a mini_connection_class |
|
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(mini_connection_class.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(mini_connection_class.new('foo')) } |
|
expect(subject.size).to eq 2 |
|
end |
|
end |
|
end
|
|
|