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