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require_relative '../spec_helper'
require_relative '../fixtures/classes'
describe "TCPServer.new" do
after :each do
@server.close if @server && [email protected]?
end
it "binds to a host and a port" do
@server = TCPServer.new('127.0.0.1', 0)
addr = @server.addr
addr[0].should == 'AF_INET'
addr[1].should be_kind_of(Integer)
# on some platforms (Mac), MRI
# returns comma at the end.
addr[2].should =~ /^#{SocketSpecs.hostname}\b/
addr[3].should == '127.0.0.1'
end
it "binds to localhost and a port with either IPv4 or IPv6" do
@server = TCPServer.new(SocketSpecs.hostname, 0)
addr = @server.addr
addr[1].should be_kind_of(Integer)
if addr[0] == 'AF_INET'
addr[2].should =~ /^#{SocketSpecs.hostname}\b/
addr[3].should == '127.0.0.1'
else
addr[2].should =~ /^#{SocketSpecs.hostname('::1')}\b/
addr[3].should == '::1'
end
end
it "binds to INADDR_ANY if the hostname is empty" do
@server = TCPServer.new('', 0)
addr = @server.addr
addr[0].should == 'AF_INET'
addr[1].should be_kind_of(Integer)
addr[2].should == '0.0.0.0'
addr[3].should == '0.0.0.0'
end
it "binds to INADDR_ANY if the hostname is empty and the port is a string" do
@server = TCPServer.new('', '0')
addr = @server.addr
addr[0].should == 'AF_INET'
addr[1].should be_kind_of(Integer)
addr[2].should == '0.0.0.0'
addr[3].should == '0.0.0.0'
end
it "binds to a port if the port is explicitly nil" do
@server = TCPServer.new('', nil)
addr = @server.addr
addr[0].should == 'AF_INET'
addr[1].should be_kind_of(Integer)
addr[2].should == '0.0.0.0'
addr[3].should == '0.0.0.0'
end
it "binds to a port if the port is an empty string" do
@server = TCPServer.new('', '')
addr = @server.addr
addr[0].should == 'AF_INET'
addr[1].should be_kind_of(Integer)
addr[2].should == '0.0.0.0'
addr[3].should == '0.0.0.0'
end
it "coerces port to string, then determines port from that number or service name" do
-> { TCPServer.new(SocketSpecs.hostname, Object.new) }.should raise_error(TypeError)
port = Object.new
port.should_receive(:to_str).and_return("0")
@server = TCPServer.new(SocketSpecs.hostname, port)
addr = @server.addr
addr[1].should be_kind_of(Integer)
# TODO: This should also accept strings like 'https', but I don't know how to
# pick such a service port that will be able to reliably bind...
end
it "has a single argument form and treats it as a port number" do
@server = TCPServer.new(0)
addr = @server.addr
addr[1].should be_kind_of(Integer)
end
it "coerces port to a string when it is the only argument" do
-> { TCPServer.new(Object.new) }.should raise_error(TypeError)
port = Object.new
port.should_receive(:to_str).and_return("0")
@server = TCPServer.new(port)
addr = @server.addr
addr[1].should be_kind_of(Integer)
end
it "raises Errno::EADDRNOTAVAIL when the address is unknown" do
-> { TCPServer.new("1.2.3.4", 0) }.should raise_error(Errno::EADDRNOTAVAIL)
end
# There is no way to make this fail-proof on all machines, because
# DNS servers like opendns return A records for ANY host, including
# traditionally invalidly named ones.
quarantine! do
it "raises a SocketError when the host is unknown" do
-> {
TCPServer.new("--notavalidname", 0)
}.should raise_error(SocketError)
end
end
it "raises Errno::EADDRINUSE when address is already in use" do
@server = TCPServer.new('127.0.0.1', 0)
-> {
@server = TCPServer.new('127.0.0.1', @server.addr[1])
}.should raise_error(Errno::EADDRINUSE)
end
platform_is_not :windows, :aix do
# A known bug in AIX. getsockopt(2) does not properly set
# the fifth argument for SO_REUSEADDR.
it "sets SO_REUSEADDR on the resulting server" do
@server = TCPServer.new('127.0.0.1', 0)
@server.getsockopt(:SOCKET, :REUSEADDR).data.should_not == "\x00\x00\x00\x00"
@server.getsockopt(:SOCKET, :REUSEADDR).int.should_not == 0
end
end
end
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