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require 'spec_helper'
describe Mongo::Operation::Write::Command::Update do
let(:updates) { [{:q => { :foo => 1 },
:u => { :$set => { :bar => 1 } },
:multi => true,
:upsert => false }] }
let(:write_concern) do
Mongo::WriteConcern.get(WRITE_CONCERN)
end
let(:session) { nil }
let(:spec) do
{ :updates => updates,
:db_name => TEST_DB,
:coll_name => TEST_COLL,
:write_concern => write_concern,
:ordered => true,
:session => session
}
end
let(:op) { described_class.new(spec) }
describe '#initialize' do
context 'spec' do
it 'sets the spec' do
expect(op.spec).to eq(spec)
end
end
end
describe '#==' do
context 'spec' do
context 'when two ops have the same specs' do
let(:other) { described_class.new(spec) }
it 'returns true' do
expect(op).to eq(other)
end
end
context 'when two ops have different specs' do
let(:other_updates) { [{:q => { :bar => 1 },
:u => { :$set => { :bar => 2 } },
:multi => true,
:upsert => false }] }
let(:other_spec) do
{ :updates => other_updates,
:db_name => TEST_DB,
:coll_name => TEST_COLL,
:write_concern => Mongo::WriteConcern.get(WRITE_CONCERN),
: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
context 'when write concern is not specified' do
let(:spec) do
{ :updates => updates,
:db_name => TEST_DB,
:coll_name => TEST_COLL,
:ordered => true
}
end
it 'does not include write concern in the selector' do
expect(op.send(:selector)[:writeConcern]).to be_nil
end
end
context 'when write concern is specified' do
it 'includes write concern in the selector' do
expect(op.send(:selector)[:writeConcern]).to eq(write_concern.options)
end
end
end
describe '#message' do
context 'when the server supports OP_MSG', if: op_msg_enabled? do
let(:global_args) do
{
update: TEST_COLL,
ordered: true,
writeConcern: write_concern.options,
'$db' => TEST_DB,
lsid: session.session_id
}
end
let(:expected_payload_1) do
{
type: 1,
payload: { identifier: 'updates',
sequence: updates
}
}
end
let(:session) do
authorized_client.start_session
end
context 'when the topology is replica set or sharded', if: (replica_set? || sharded?) && op_msg_enabled? do
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([:none], {}, expected_global_args, expected_payload_1)
op.send(:message, authorized_primary)
end
end
context 'when the topology is standalone', if: standalone? && op_msg_enabled? do
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([:none], {}, expected_global_args, expected_payload_1)
op.send(:message, authorized_primary)
end
context 'when an implicit session is created and the topology is then updated and the server does not support sessions' do
let(:expected_global_args) do
global_args.delete(:lsid)
global_args
end
before do
session.instance_variable_set(:@options, { implicit: true })
allow(authorized_primary.features).to receive(:sessions_enabled?).and_return(false)
end
it 'creates the correct OP_MSG message' do
authorized_client.command(ping:1)
expect(Mongo::Protocol::Msg).to receive(:new).with([:none], {}, expected_global_args, expected_payload_1)
op.send(:message, authorized_primary)
end
end
end
context 'when the write concern is 0' do
let(:write_concern) do
Mongo::WriteConcern.get(w: 0)
end
context 'when the topology is replica set or sharded', if: (replica_set? || sharded?) && op_msg_enabled? do
let(:expected_global_args) do
global_args.delete(:lsid)
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([:more_to_come], {}, expected_global_args, expected_payload_1)
op.send(:message, authorized_primary)
end
end
context 'when the topology is standalone', if: standalone? && op_msg_enabled? do
let(:expected_global_args) do
global_args.delete(:lsid)
global_args
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, authorized_primary)
end
end
end
end
context 'when the server does not support OP_MSG' do
let(:expected_selector) do
{
:update => TEST_COLL,
:updates => updates,
:ordered => true,
:writeConcern => write_concern.options
}
end
it 'creates the correct Command message', unless: op_msg_enabled? do
expect(Mongo::Protocol::Query).to receive(:new).with(TEST_DB, '$cmd', expected_selector, { limit: -1 })
op.send(:message, authorized_primary)
end
end
end
end
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