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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe Mongo::Socket do
let(:socket) do
described_class.new(0, {})
end
describe '#human_address' do
it 'raises NotImplementedError' do
expect do
socket.send(:human_address)
end.to raise_error(NotImplementedError)
end
end
describe '#map_exceptions' do
before do
expect(socket).to receive(:human_address).and_return('fake-address')
end
it 'maps timeout exception' do
expect do
socket.send(:map_exceptions) do
raise Errno::ETIMEDOUT
end
end.to raise_error(Mongo::Error::SocketTimeoutError)
end
it 'maps SystemCallError and preserves message' do
expect do
socket.send(:map_exceptions) do
raise SystemCallError.new('Test error', Errno::ENFILE::Errno)
end
end.to raise_error(Mongo::Error::SocketError, 'Errno::ENFILE: Too many open files in system - Test error (for fake-address)')
end
it 'maps IOError and preserves message' do
expect do
socket.send(:map_exceptions) do
raise IOError.new('Test error')
end
end.to raise_error(Mongo::Error::SocketError, 'IOError: Test error (for fake-address)')
end
it 'maps SSLError and preserves message' do
expect do
socket.send(:map_exceptions) do
raise OpenSSL::SSL::SSLError.new('Test error')
end
end.to raise_error(Mongo::Error::SocketError, 'OpenSSL::SSL::SSLError: Test error (for fake-address)')
end
end
describe '#read' do
let(:target_host) do
host = ClusterConfig.instance.primary_address_host
# Take ipv4 address
Socket.getaddrinfo(host, 0).detect { |ai| ai.first == 'AF_INET' }[3]
end
let(:socket) do
Mongo::Socket::TCP.new(target_host, ClusterConfig.instance.primary_address_port, 1, Socket::PF_INET)
end
let(:raw_socket) { socket.instance_variable_get('@socket') }
context 'timeout' do
clean_slate_for_all
shared_examples_for 'times out' do
it 'times out' do
expect(socket).to receive(:timeout).at_least(:once).and_return(0.2)
# When we raise WaitWritable, the socket object is ready for
# writing which makes the read method invoke read_nonblock many times
expect(raw_socket).to receive(:read_nonblock).at_least(:once) do |len, buf|
sleep 0.01
raise exception_class
end
expect do
socket.read(10)
end.to raise_error(Mongo::Error::SocketTimeoutError, /Took more than .* seconds to receive data.*\(for /)
end
end
context 'with WaitReadable' do
let(:exception_class) do
Class.new(Exception) do
include IO::WaitReadable
end
end
it_behaves_like 'times out'
end
context 'with WaitWritable' do
let(:exception_class) do
Class.new(Exception) do
include IO::WaitWritable
end
end
it_behaves_like 'times out'
end
end
end
describe '#write' do
let(:target_host) do
host = ClusterConfig.instance.primary_address_host
# Take ipv4 address
Socket.getaddrinfo(host, 0).detect { |ai| ai.first == 'AF_INET' }[3]
end
let(:socket) do
Mongo::Socket::TCP.new(target_host, ClusterConfig.instance.primary_address_port, 1, Socket::PF_INET)
end
let(:raw_socket) { socket.instance_variable_get('@socket') }
context 'with timeout' do
let(:timeout) { 5_000 }
context 'data is less than WRITE_CHUNK_SIZE' do
let(:data) { "a" * 1024 }
context 'when a partial write occurs' do
before do
expect(raw_socket)
.to receive(:write_nonblock)
.twice
.and_return(data.length / 2)
end
it 'eventually writes everything' do
expect(socket.write(data, timeout: timeout)).
to be === data.length
end
end
end
context 'data is greater than WRITE_CHUNK_SIZE' do
let(:data) { "a" * (2 * Mongo::Socket::WRITE_CHUNK_SIZE + 256) }
context 'when a partial write occurs' do
before do
expect(raw_socket)
.to receive(:write_nonblock)
.exactly(4).times
.and_return(Mongo::Socket::WRITE_CHUNK_SIZE,
128,
Mongo::Socket::WRITE_CHUNK_SIZE - 128,
256)
end
it 'eventually writes everything' do
expect(socket.write(data, timeout: timeout)).
to be === data.length
end
end
end
end
end
end
|
