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|
# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe 'Client after reconnect' do
let(:client) { authorized_client }
it 'is a functioning client' do
client['test'].insert_one('testk' => 'testv')
client.reconnect
doc = client['test'].find('testk' => 'testv').first
expect(doc).not_to be_nil
expect(doc['testk']).to eq('testv')
end
context 'non-lb' do
require_topology :single, :replica_set, :sharded
it 'recreates monitor thread' do
thread = client.cluster.servers.first.monitor.instance_variable_get('@thread')
expect(thread).to be_alive
thread.kill
# context switch to let the thread get killed
sleep 0.1
expect(thread).not_to be_alive
client.reconnect
new_thread = client.cluster.servers.first.monitor.instance_variable_get('@thread')
expect(new_thread).not_to eq(thread)
expect(new_thread).to be_alive
end
end
context 'lb' do
require_topology :load_balanced
it 'does not recreate monitor thread' do
thread = client.cluster.servers.first.monitor.instance_variable_get('@thread')
expect(thread).to be nil
client.reconnect
new_thread = client.cluster.servers.first.monitor.instance_variable_get('@thread')
expect(new_thread).to be nil
end
end
context 'with min_pool_size > 0' do
# This test causes live threads errors in jruby in other tests.
fails_on_jruby
let(:client) { authorized_client.with(min_pool_size: 1) }
it 'recreates connection pool populator thread' do
server = client.cluster.next_primary
thread = server.pool.populator.instance_variable_get('@thread')
expect(thread).to be_alive
thread.kill
# context switch to let the thread get killed
sleep 0.1
expect(thread).not_to be_alive
client.reconnect
new_server = client.cluster.next_primary
new_thread = new_server.pool.populator.instance_variable_get('@thread')
expect(new_thread).not_to eq(thread)
expect(new_thread).to be_alive
end
end
context 'SRV monitor thread' do
require_external_connectivity
let(:uri) do
"mongodb+srv://test1.test.build.10gen.cc/?tls=#{SpecConfig.instance.ssl?}"
end
# Debug logging to troubleshoot failures in Evergreen
let(:logger) do
Logger.new(STDERR). tap do |logger|
logger.level = :debug
end
end
let(:client) do
new_local_client(uri, SpecConfig.instance.monitoring_options.merge(
server_selection_timeout: 3.86, logger: logger))
end
let(:wait_for_discovery) do
client.cluster.next_primary
end
let(:wait_for_discovery_again) do
client.cluster.next_primary
end
shared_examples_for 'recreates SRV monitor' do
# JRuby produces this error:
# RSpec::Expectations::ExpectationNotMetError: expected nil to respond to `alive?`
# for this assertion:
# expect(thread).not_to be_alive
# This is bizarre because if thread was nil, the earlier call to
# thread.kill should've similarly failed, but it doesn't.
fails_on_jruby
minimum_mri_version '3.0.0'
it 'recreates SRV monitor' do
wait_for_discovery
expect(client.cluster.topology).to be_a(expected_topology_cls)
thread = client.cluster.srv_monitor.instance_variable_get('@thread')
expect(thread).to be_alive
thread.kill
# context switch to let the thread get killed
sleep 0.1
expect(thread).not_to be_alive
client.reconnect
wait_for_discovery_again
new_thread = client.cluster.srv_monitor.instance_variable_get('@thread')
expect(new_thread).not_to eq(thread)
expect(new_thread).to be_alive
end
end
context 'in sharded topology' do
require_topology :sharded
require_default_port_deployment
require_multi_mongos
let(:expected_topology_cls) { Mongo::Cluster::Topology::Sharded }
it_behaves_like 'recreates SRV monitor'
end
context 'in unknown topology' do
require_external_connectivity
# JRuby apparently does not implement non-blocking UDP I/O which is used
# by RubyDNS:
# NotImplementedError: recvmsg_nonblock is not implemented
fails_on_jruby
let(:uri) do
"mongodb+srv://test-fake.test.build.10gen.cc/"
end
let(:client) do
ClientRegistry.instance.register_local_client(
Mongo::Client.new(uri,
timeout: 5,
connect_timeout: 5,
server_selection_timeout: 3.89,
resolv_options: {
nameserver: 'localhost',
nameserver_port: [['localhost', 5300], ['127.0.0.1', 5300]],
},
logger: logger))
end
let(:expected_topology_cls) { Mongo::Cluster::Topology::Unknown }
let(:wait_for_discovery) do
# Since the entire test is done in unknown topology, we cannot use
# next_primary to wait for the client to discover the topology.
sleep 5
end
let(:wait_for_discovery_again) do
sleep 5
end
around do |example|
rules = [
['_mongodb._tcp.test-fake.test.build.10gen.cc', :srv,
[0, 0, 2799, 'localhost.test.build.10gen.cc'],
],
]
mock_dns(rules) do
example.run
end
end
it_behaves_like 'recreates SRV monitor'
end
end
end
|
