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unix_socket_spec.rb
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/
unix_socket_spec.rb
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require "spec_helper"
RSpec.describe Celluloid::IO::UNIXSocket, library: :IO do
if RUBY_PLATFORM == "java"
before(:each) do
pending "jRuby support"
fail "Avoid potential deadlock under jRuby"
end
end
let(:payload) { "ohai" }
let(:example_port) { assign_port }
let(:logger) { Specs::FakeLogger.current }
context "inside Celluloid::IO" do
it "connects to UNIX servers" do
server = ::UNIXServer.open example_unix_sock
thread = Thread.new { server.accept }
socket = within_io_actor { Celluloid::IO::UNIXSocket.open example_unix_sock }
peer = thread.value
peer << payload
expect(within_io_actor { socket.read(payload.size) }).to eq payload
server.close
socket.close
peer.close
File.delete(example_unix_sock)
end
it "should be evented" do
with_connected_unix_sockets do |subject|
expect(within_io_actor { Celluloid::IO.evented? }).to be_truthy
end
end
it "read complete payload when nil size is given to #read" do
with_connected_unix_sockets do |subject, peer|
peer << payload
expect(within_io_actor { subject.read(nil) }).to eq payload
end
end
it "read complete payload when no size is given to #read" do
with_connected_unix_sockets do |subject, peer|
peer << payload
expect(within_io_actor { subject.read }).to eq payload
end
end
it "reads data" do
with_connected_unix_sockets do |subject, peer|
peer << payload
expect(within_io_actor { subject.read(payload.size) }).to eq payload
end
end
it "reads data in binary encoding" do
with_connected_unix_sockets do |subject, peer|
peer << payload
expect(within_io_actor { subject.read(payload.size).encoding }).to eq Encoding::BINARY
end
end
it "reads partial data" do
with_connected_unix_sockets do |subject, peer|
peer << payload * 2
expect(within_io_actor { subject.readpartial(payload.size) }).to eq payload
end
end
it "reads partial data in binary encoding" do
with_connected_unix_sockets do |subject, peer|
peer << payload * 2
expect(within_io_actor { subject.readpartial(payload.size).encoding }).to eq Encoding::BINARY
end
end
it "writes data" do
with_connected_unix_sockets do |subject, peer|
within_io_actor { subject << payload }
expect(peer.read(payload.size)).to eq payload
end
end
it "raises Errno::ENOENT when the connection is refused" do
allow(logger).to receive(:crash).with("Actor crashed!", Errno::ENOENT)
expect do
within_io_actor { Celluloid::IO::UNIXSocket.open(example_unix_sock) }
end.to raise_error(Errno::ENOENT)
end
it "raises EOFError when partial reading from a closed socket" do
allow(logger).to receive(:crash).with("Actor crashed!", EOFError)
with_connected_unix_sockets do |subject, peer|
peer.close
expect do
within_io_actor { subject.readpartial(payload.size) }
end.to raise_error(EOFError)
end
end
context "eof?" do
it "blocks actor then returns by close" do
with_connected_sockets(example_port) do |subject, peer|
started_at = Time.now
Thread.new { sleep 0.5; peer.close; }
within_io_actor { subject.eof? }
expect(Time.now - started_at).to be > 0.5
end
end
it "blocks until gets the next byte" do
allow(logger).to receive(:crash).with("Actor crashed!", Celluloid::TaskTimeout)
with_connected_sockets(example_port) do |subject, peer|
peer << 0x00
peer.flush
expect do
within_io_actor do
subject.read(1)
Celluloid.timeout(0.5) do
expect(subject.eof?).to be_falsey
end
end
end.to raise_error(Celluloid::TaskTimeout)
end
end
end
end
context "outside Celluloid::IO" do
it "connects to UNIX servers" do
server = ::UNIXServer.new example_unix_sock
thread = Thread.new { server.accept }
socket = Celluloid::IO::UNIXSocket.open example_unix_sock
peer = thread.value
peer << payload
expect(socket.read(payload.size)).to eq payload
server.close
socket.close
peer.close
File.delete example_unix_sock
end
it "should be blocking" do
with_connected_unix_sockets do |subject|
expect(Celluloid::IO).not_to be_evented
end
end
it "reads data" do
with_connected_unix_sockets do |subject, peer|
peer << payload
expect(subject.read(payload.size)).to eq payload
end
end
it "reads partial data" do
with_connected_unix_sockets do |subject, peer|
peer << payload * 2
expect(subject.readpartial(payload.size)).to eq payload
end
end
it "writes data" do
with_connected_unix_sockets do |subject, peer|
subject << payload
expect(peer.read(payload.size)).to eq payload
end
end
end
context 'puts' do
it 'uses the write buffer' do
with_connected_unix_sockets do |subject, peer|
subject.sync = false
subject << "a"
subject.puts "b"
subject << "c"
subject.flush
subject.close
expect(peer.read).to eq "ab\nc"
end
end
end
context 'readline' do
it 'uses the read buffer' do
with_connected_unix_sockets do |subject, peer|
peer << "xline one\nline two\n"
subject.getc # read one character to fill buffer
Timeout::timeout(1){
# this will block if the buffer is not used
expect(subject.readline).to eq "line one\n"
expect(subject.readline).to eq "line two\n"
}
end
end
end
end