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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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