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require 'spec_helper'
describe Mongo::Session, if: test_sessions? do
let(:session) do
authorized_client.start_session(options)
end
let(:options) do
{}
end
describe '#initialize' do
context 'when options are provided' do
it 'duplicates and freezes the options' do
expect(session.options).not_to be(options)
expect(session.options.frozen?).to be(true)
end
end
it 'sets a server session with an id' do
expect(session.session_id).to be_a(BSON::Document)
end
it 'sets the cluster time to nil' do
expect(session.cluster_time).to be(nil)
end
it 'sets the cluster' do
expect(session.cluster).to be(authorized_client.cluster)
end
end
describe '#inspect' do
it 'includes the Ruby object_id in the formatted string' do
expect(session.inspect).to include(session.object_id.to_s)
end
it 'includes the session_id in the formatted string' do
expect(session.inspect).to include(session.session_id.to_s)
end
context 'when options are provided' do
let(:options) do
{ causal_consistency: true }
end
it 'includes the options in the formatted string' do
expect(session.inspect).to include({ implicit: false,
causal_consistency: true }.to_s)
end
end
end
describe '#advance_cluster_time' do
let(:new_cluster_time) do
{ 'clusterTime' => BSON::Timestamp.new(0, 5) }
end
context 'when the session does not have a cluster time' do
before do
session.advance_cluster_time(new_cluster_time)
end
it 'sets the new cluster time' do
expect(session.cluster_time).to eq(new_cluster_time)
end
end
context 'when the session already has a cluster time' do
context 'when the original cluster time is less than the new cluster time' do
let(:original_cluster_time) do
{ 'clusterTime' => BSON::Timestamp.new(0, 1) }
end
before do
session.instance_variable_set(:@cluster_time, original_cluster_time)
session.advance_cluster_time(new_cluster_time)
end
it 'sets the new cluster time' do
expect(session.cluster_time).to eq(new_cluster_time)
end
end
context 'when the original cluster time is equal or greater than the new cluster time' do
let(:original_cluster_time) do
{ 'clusterTime' => BSON::Timestamp.new(0, 6) }
end
before do
session.instance_variable_set(:@cluster_time, original_cluster_time)
session.advance_cluster_time(new_cluster_time)
end
it 'does not update the cluster time' do
expect(session.cluster_time).to eq(original_cluster_time)
end
end
end
end
describe '#advance_operation_time' do
let(:new_operation_time) do
BSON::Timestamp.new(0, 5)
end
context 'when the session does not have an operation time' do
before do
session.advance_operation_time(new_operation_time)
end
it 'sets the new operation time' do
expect(session.operation_time).to eq(new_operation_time)
end
end
context 'when the session already has an operation time' do
context 'when the original operation time is less than the new operation time' do
let(:original_operation_time) do
BSON::Timestamp.new(0, 1)
end
before do
session.instance_variable_set(:@operation_time, original_operation_time)
session.advance_operation_time(new_operation_time)
end
it 'sets the new operation time' do
expect(session.operation_time).to eq(new_operation_time)
end
end
context 'when the original operation time is equal or greater than the new operation time' do
let(:original_operation_time) do
BSON::Timestamp.new(0, 6)
end
before do
session.instance_variable_set(:@operation_time, original_operation_time)
session.advance_operation_time(new_operation_time)
end
it 'does not update the operation time' do
expect(session.operation_time).to eq(original_operation_time)
end
end
end
end
describe 'ended?' do
context 'when the session has not been ended' do
it 'returns false' do
expect(session.ended?).to be(false)
end
end
context 'when the session has been ended' do
before do
session.end_session
end
it 'returns true' do
expect(session.ended?).to be(true)
end
end
end
describe 'end_session' do
let!(:server_session) do
session.instance_variable_get(:@server_session)
end
let(:cluster_session_pool) do
session.cluster.session_pool
end
it 'returns the server session to the cluster session pool' do
session.end_session
expect(cluster_session_pool.instance_variable_get(:@queue)).to include(server_session)
end
context 'when #end_session is called multiple times' do
before do
session.end_session
end
it 'returns nil' do
expect(session.end_session).to be_nil
end
end
end
describe '#retry_writes?', if: test_sessions? do
context 'when the option is set to true' do
let(:client) do
authorized_client_with_retry_writes
end
it 'returns true' do
expect(client.start_session.retry_writes?).to be(true)
end
end
context 'when the option is set to false' do
let(:client) do
authorized_client.with(retry_writes: false)
end
after do
client.close
end
it 'returns false' do
expect(client.start_session.retry_writes?).to be(false)
end
end
context 'when the option is not defined' do
let(:client) do
authorized_client
end
it 'returns false' do
expect(client.start_session.retry_writes?).to be(false)
end
end
end
end
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