lib/rb/spec/unix_socket_spec.rb

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require 'spec_helper'
require File.expand_path("#{File.dirname(__FILE__)}/socket_spec_shared")

describe 'UNIXSocket' do

  describe Thrift::UNIXSocket do
    before(:each) do
      @path = '/tmp/thrift_spec_socket'
      @socket = Thrift::UNIXSocket.new(@path)
      @handle = mock("Handle", :closed? => false)
      @handle.stub!(:close)
      ::UNIXSocket.stub!(:new).and_return(@handle)
    end

    it_should_behave_like "a socket"

    it "should raise a TransportException when it cannot open a socket" do
      ::UNIXSocket.should_receive(:new).and_raise(StandardError)
      lambda { @socket.open }.should raise_error(Thrift::TransportException) { |e| e.type.should == Thrift::TransportException::NOT_OPEN }
    end

    it "should accept an optional timeout" do
      ::UNIXSocket.stub!(:new)
      Thrift::UNIXSocket.new(@path, 5).timeout.should == 5
    end
    
    it "should provide a reasonable to_s" do
      ::UNIXSocket.stub!(:new)
      Thrift::UNIXSocket.new(@path).to_s.should == "domain(#{@path})"
    end
  end

  describe Thrift::UNIXServerSocket do
    before(:each) do
      @path = '/tmp/thrift_spec_socket'
      @socket = Thrift::UNIXServerSocket.new(@path)
    end

    it "should create a handle when calling listen" do
      UNIXServer.should_receive(:new).with(@path)
      @socket.listen
    end

    it "should create a Thrift::UNIXSocket to wrap accepted sockets" do
      handle = mock("UNIXServer")
      UNIXServer.should_receive(:new).with(@path).and_return(handle)
      @socket.listen
      sock = mock("sock")
      handle.should_receive(:accept).and_return(sock)
      trans = mock("UNIXSocket")
      Thrift::UNIXSocket.should_receive(:new).and_return(trans)
      trans.should_receive(:handle=).with(sock)
      @socket.accept.should == trans
    end

    it "should close the handle when closed" do
      handle = mock("UNIXServer", :closed? => false)
      UNIXServer.should_receive(:new).with(@path).and_return(handle)
      @socket.listen
      handle.should_receive(:close)
      File.stub!(:delete)
      @socket.close
    end

    it "should delete the socket when closed" do
      handle = mock("UNIXServer", :closed? => false)
      UNIXServer.should_receive(:new).with(@path).and_return(handle)
      @socket.listen
      handle.stub!(:close)
      File.should_receive(:delete).with(@path)
      @socket.close
    end

    it "should return nil when accepting if there is no handle" do
      @socket.accept.should be_nil
    end

    it "should return true for closed? when appropriate" do
      handle = mock("UNIXServer", :closed? => false)
      UNIXServer.stub!(:new).and_return(handle)
      File.stub!(:delete)
      @socket.listen
      @socket.should_not be_closed
      handle.stub!(:close)
      @socket.close
      @socket.should be_closed
      @socket.listen
      @socket.should_not be_closed
      handle.stub!(:closed?).and_return(true)
      @socket.should be_closed
    end

    it "should provide a reasonable to_s" do
      @socket.to_s.should == "domain(#{@path})"
    end
  end
end