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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe 'read concern' do
min_server_version '3.2'
let(:subscriber) do
Mrss::EventSubscriber.new
end
let(:specified_read_concern) do
{ :level => :local }
end
let(:expected_read_concern) do
{ 'level' => 'local' }
end
let(:sent_read_concern) do
subscriber.clear_events!
collection.count_documents
subscriber.started_events.find { |c| c.command_name == 'aggregate' }.command[:readConcern]
end
shared_examples_for 'a read concern is specified' do
it 'sends a read concern to the server' do
expect(sent_read_concern).to eq(expected_read_concern)
end
end
shared_examples_for 'no read concern is specified' do
it 'does not send a read concern to the server' do
expect(sent_read_concern).to be_nil
end
end
context 'when the client has no read concern specified' do
let(:client) do
authorized_client.tap do |client|
client.subscribe(Mongo::Monitoring::COMMAND, subscriber)
end
end
context 'when the collection has no read concern specified' do
let(:collection) do
client[TEST_COLL]
end
it_behaves_like 'no read concern is specified'
end
context 'when the collection has a read concern specified' do
let(:collection) do
client[TEST_COLL].with(read_concern: specified_read_concern)
end
it_behaves_like 'a read concern is specified'
end
end
context 'when the client has a read concern specified' do
let(:client) do
authorized_client.with(read_concern: specified_read_concern).tap do |client|
client.subscribe(Mongo::Monitoring::COMMAND, subscriber)
end
end
context 'when the collection has no read concern specified' do
let(:collection) do
client[TEST_COLL]
end
it_behaves_like 'a read concern is specified'
end
context 'when the collection has a read concern specified' do
let(:collection) do
client[TEST_COLL].with(read_concern: specified_read_concern)
end
it_behaves_like 'a read concern is specified'
end
end
end
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