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path: root/spec/ruby/library/socket/unixserver/accept_spec.rb
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require_relative '../spec_helper'
require_relative '../fixtures/classes'

describe "UNIXServer#accept" do
  before :each do
    @path = SocketSpecs.socket_path
    @server = UNIXServer.open(@path)
  end

  after :each do
    @server.close if @server
    SocketSpecs.rm_socket @path
  end

  it "accepts what is written by the client" do
    client = UNIXSocket.open(@path)

    client.send('hello', 0)

    sock = @server.accept
    begin
      data, info = sock.recvfrom(5)

      data.should == 'hello'
      info.should_not be_empty
    ensure
      sock.close
      client.close
    end
  end

  it "can be interrupted by Thread#kill" do
    t = Thread.new {
      @server.accept
    }
    Thread.pass while t.status and t.status != "sleep"

    # kill thread, ensure it dies in a reasonable amount of time
    t.kill
    a = 0
    while t.alive? and a < 5000
      sleep 0.001
      a += 1
    end
    a.should < 5000
  end

  it "can be interrupted by Thread#raise" do
    t = Thread.new {
      -> {
        @server.accept
      }.should raise_error(Exception, "interrupted")
    }

    Thread.pass while t.status and t.status != "sleep"
    t.raise Exception, "interrupted"
    t.join
  end
end

describe 'UNIXServer#accept' do
  before do
    @path = SocketSpecs.socket_path
    @server = UNIXServer.new(@path)
  end

  after do
    @server.close
    rm_r(@path)
  end

  describe 'without a client' do
    it 'blocks the calling thread' do
      -> { @server.accept }.should block_caller
    end
  end

  describe 'with a client' do
    before do
      @client = UNIXSocket.new(@path)
    end

    after do
      @client.close
      @socket.close if @socket
    end

    describe 'without any data' do
      it 'returns a UNIXSocket' do
        @socket = @server.accept
        @socket.should be_an_instance_of(UNIXSocket)
      end
    end

    describe 'with data available' do
      before do
        @client.write('hello')
      end

      it 'returns a UNIXSocket' do
        @socket = @server.accept
        @socket.should be_an_instance_of(UNIXSocket)
      end

      describe 'the returned UNIXSocket' do
        it 'can read the data written' do
          @socket = @server.accept
          @socket.recv(5).should == 'hello'
        end

        platform_is_not :windows do
          it "is set to nonblocking" do
            require 'io/nonblock'
            @socket = @server.accept
            @socket.should.nonblock?
          end
        end

        it "is set to close on exec" do
          @socket = @server.accept
          @socket.should.close_on_exec?
        end
      end
    end
  end
end