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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe Mongo::Cluster::Topology::Sharded do
let(:address) do
Mongo::Address.new('127.0.0.1:27017')
end
# Cluster needs a topology and topology needs a cluster...
# This temporary cluster is used for topology construction.
let(:temp_cluster) do
double('temp cluster').tap do |cluster|
allow(cluster).to receive(:servers_list).and_return([])
end
end
let(:topology) do
described_class.new({}, monitoring, temp_cluster)
end
let(:monitoring) do
Mongo::Monitoring.new(monitoring: false)
end
let(:listeners) do
Mongo::Event::Listeners.new
end
let(:cluster) do
double('cluster').tap do |cl|
allow(cl).to receive(:topology).and_return(topology)
allow(cl).to receive(:app_metadata).and_return(app_metadata)
allow(cl).to receive(:options).and_return({})
end
end
let(:mongos) do
Mongo::Server.new(address, cluster, monitoring, listeners,
SpecConfig.instance.test_options.merge(monitoring_io: false)
).tap do |server|
allow(server).to receive(:description).and_return(mongos_description)
end
end
let(:standalone) do
Mongo::Server.new(address, cluster, monitoring, listeners,
SpecConfig.instance.test_options.merge(monitoring_io: false)
).tap do |server|
allow(server).to receive(:description).and_return(standalone_description)
end
end
let(:replica_set) do
Mongo::Server.new(address, cluster, monitoring, listeners,
SpecConfig.instance.test_options.merge(monitoring_io: false)
).tap do |server|
allow(server).to receive(:description).and_return(replica_set_description)
end
end
let(:mongos_description) do
Mongo::Server::Description.new(address, { 'msg' => 'isdbgrid',
'minWireVersion' => 2, 'maxWireVersion' => 8, 'ok' => 1 })
end
let(:standalone_description) do
Mongo::Server::Description.new(address, { 'isWritablePrimary' => true,
'minWireVersion' => 2, 'maxWireVersion' => 8, 'ok' => 1 })
end
let(:replica_set_description) do
Mongo::Server::Description.new(address, { 'isWritablePrimary' => true,
'minWireVersion' => 2, 'maxWireVersion' => 8,
'setName' => 'testing', 'ok' => 1 })
end
describe '#initialize' do
let(:topology) do
Mongo::Cluster::Topology::Sharded.new(
{replica_set_name: 'foo'},
monitoring, temp_cluster)
end
it 'does not accept RS name' do
expect do
topology
end.to raise_error(ArgumentError, 'Topology Mongo::Cluster::Topology::Sharded cannot have the :replica_set_name option set')
end
end
describe '.servers' do
let(:servers) do
topology.servers([ mongos, standalone, replica_set ])
end
it 'returns only mongos servers' do
expect(servers).to eq([ mongos ])
end
end
describe '.replica_set?' do
it 'returns false' do
expect(topology).to_not be_replica_set
end
end
describe '.sharded?' do
it 'returns true' do
expect(topology).to be_sharded
end
end
describe '.single?' do
it 'returns false' do
expect(topology).to_not be_single
end
end
describe '#has_readable_servers?' do
it 'returns true' do
expect(topology).to have_readable_server(nil, nil)
end
end
describe '#has_writable_servers?' do
it 'returns true' do
expect(topology).to have_writable_server(nil)
end
end
describe '#summary' do
require_no_linting
let(:desc1) do
Mongo::Server::Description.new(Mongo::Address.new('127.0.0.2:27017'))
end
let(:desc2) do
Mongo::Server::Description.new(Mongo::Address.new('127.0.0.2:27027'))
end
it 'renders correctly' do
expect(topology).to receive(:server_descriptions).and_return({
desc1.address.to_s => desc1, desc2.address.to_s => desc2,
})
expect(topology.summary).to eq('Sharded[127.0.0.2:27017,127.0.0.2:27027]')
end
end
end
|
