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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe Mongo::Operation::Update::OpMsg do
let(:updates) { [{:q => { :foo => 1 },
:u => { :$set => { :bar => 1 } },
:multi => true,
:upsert => false }] }
let(:write_concern) do
Mongo::WriteConcern.get(w: :majority)
end
let(:session) { nil }
let(:spec) do
{ :updates => updates,
:db_name => SpecConfig.instance.test_db,
:coll_name => TEST_COLL,
:write_concern => write_concern,
:ordered => true,
:session => session
}
end
let(:op) { described_class.new(spec) }
let(:connection) do
double('connection').tap do |connection|
allow(connection).to receive(:server).and_return(authorized_primary)
allow(connection).to receive(:features).and_return(authorized_primary.features)
allow(connection).to receive(:description).and_return(authorized_primary.description)
allow(connection).to receive(:cluster_time).and_return(authorized_primary.cluster_time)
end
end
describe '#initialize' do
context 'spec' do
it 'sets the spec' do
expect(op.spec).to eq(spec)
end
end
end
describe '#==' do
context 'spec' do
context 'when two ops have the same specs' do
let(:other) { described_class.new(spec) }
it 'returns true' do
expect(op).to eq(other)
end
end
context 'when two ops have different specs' do
let(:other_updates) { [{:q => { :bar => 1 },
:u => { :$set => { :bar => 2 } },
:multi => true,
:upsert => false }] }
let(:other_spec) do
{ :updates => other_updates,
:db_name => SpecConfig.instance.test_db,
:coll_name => TEST_COLL,
:write_concern => Mongo::WriteConcern.get(w: :majority),
:ordered => true
}
end
let(:other) { described_class.new(other_spec) }
it 'returns false' do
expect(op).not_to eq(other)
end
end
end
end
describe 'write concern' do
# https://jira.mongodb.org/browse/RUBY-2224
require_no_linting
context 'when write concern is not specified' do
let(:spec) do
{ :updates => updates,
:db_name => SpecConfig.instance.test_db,
:coll_name => TEST_COLL,
:ordered => true
}
end
it 'does not include write concern in the selector' do
expect(op.send(:command, connection)[:writeConcern]).to be_nil
end
end
context 'when write concern is specified' do
it 'includes write concern in the selector' do
expect(op.send(:command, connection)[:writeConcern]).to eq(BSON::Document.new(write_concern.options))
end
end
end
describe '#message' do
# https://jira.mongodb.org/browse/RUBY-2224
require_no_linting
context 'when the server supports OP_MSG' do
min_server_fcv '3.6'
let(:global_args) do
{
update: TEST_COLL,
ordered: true,
writeConcern: write_concern.options,
'$db' => SpecConfig.instance.test_db,
lsid: session.session_id
}
end
let(:expected_payload_1) do
Mongo::Protocol::Msg::Section1.new('updates', updates)
end
let(:session) do
authorized_client.start_session
end
context 'when the topology is replica set or sharded' do
min_server_fcv '3.6'
require_topology :replica_set, :sharded
let(:expected_global_args) do
global_args.merge(Mongo::Operation::CLUSTER_TIME => authorized_client.cluster.cluster_time)
end
it 'creates the correct OP_MSG message' do
authorized_client.command(ping:1)
expect(Mongo::Protocol::Msg).to receive(:new).with([], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
end
context 'when the topology is standalone' do
min_server_fcv '3.6'
require_topology :single
let(:expected_global_args) do
global_args
end
it 'creates the correct OP_MSG message' do
authorized_client.command(ping:1)
expect(Mongo::Protocol::Msg).to receive(:new).with([], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
context 'when an implicit session is created and the topology is then updated and the server does not support sessions' do
# Mocks on features are incompatible with linting
require_no_linting
let(:expected_global_args) do
global_args.dup.tap do |args|
args.delete(:lsid)
end
end
let(:session) do
Mongo::Session.new(nil, authorized_client, implicit: true).tap do |session|
allow(session).to receive(:session_id).and_return(42)
session.should be_implicit
end
end
it 'creates the correct OP_MSG message' do
RSpec::Mocks.with_temporary_scope do
expect(connection.features).to receive(:sessions_enabled?).and_return(false)
expect(Mongo::Protocol::Msg).to receive(:new).with([], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
end
end
end
context 'when the write concern is 0' do
let(:write_concern) do
Mongo::WriteConcern.get(w: 0)
end
context 'when the session is implicit' do
let(:session) do
Mongo::Session.new(nil, authorized_client, implicit: true).tap do |session|
allow(session).to receive(:session_id).and_return(42)
session.should be_implicit
end
end
context 'when the topology is replica set or sharded' do
min_server_fcv '3.6'
require_topology :replica_set, :sharded
let(:expected_global_args) do
global_args.dup.tap do |args|
args.delete(:lsid)
args.merge!(Mongo::Operation::CLUSTER_TIME => authorized_client.cluster.cluster_time)
end
end
it 'does not send a session id in the command' do
authorized_client.command(ping:1)
expect(Mongo::Protocol::Msg).to receive(:new).with([:more_to_come], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
end
context 'when the topology is standalone' do
min_server_fcv '3.6'
require_topology :single
let(:expected_global_args) do
global_args.dup.tap do |args|
args.delete(:lsid)
end
end
it 'creates the correct OP_MSG message' do
authorized_client.command(ping:1)
expect(Mongo::Protocol::Msg).to receive(:new).with([:more_to_come], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
end
end
context 'when the session is explicit' do
min_server_fcv '3.6'
require_topology :replica_set, :sharded
let(:session) do
authorized_client.start_session
end
before do
session.should_not be_implicit
end
let(:expected_global_args) do
global_args.dup.tap do |args|
args.delete(:lsid)
args.merge!(Mongo::Operation::CLUSTER_TIME => authorized_client.cluster.cluster_time)
end
end
it 'does not send a session id in the command' do
authorized_client.command(ping:1)
RSpec::Mocks.with_temporary_scope do
expect(Mongo::Protocol::Msg).to receive(:new).with([:more_to_come], {}, expected_global_args, expected_payload_1)
op.send(:message, connection)
end
end
end
end
end
end
end
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