Re-add socket specs

* This reverts commit df9521fd043df1fb862e46f9b1af83223f16eb2d:
  "Remove failing spec files"
* Platform guards follow in the next commits.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 640 insertions, 0 deletions

diff --git a/spec/ruby/library/socket/addrinfo/foreach_spec.rb b/spec/ruby/library/socket/addrinfo/foreach_spec.rb
new file mode 100644
index 0000000000..75c1d1dea2
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/foreach_spec.rb
@@ -0,0 +1,9 @@
+require_relative '../spec_helper'
+
+describe 'Addrinfo.foreach' do
+  it 'yields Addrinfo instances to the supplied block' do
+    Addrinfo.foreach('localhost', 80) do |addr|
+      addr.should be_an_instance_of(Addrinfo)
+    end
+  end
+end
diff --git a/spec/ruby/library/socket/addrinfo/getnameinfo_spec.rb b/spec/ruby/library/socket/addrinfo/getnameinfo_spec.rb
new file mode 100644
index 0000000000..eb600f3e66
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/getnameinfo_spec.rb
@@ -0,0 +1,44 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe 'Addrinfo#getnameinfo' do
+  describe 'using an IP Addrinfo' do
+    SocketSpecs.each_ip_protocol do |family, ip_address|
+      before do
+        @addr = Addrinfo.tcp(ip_address, 80)
+      end
+
+      it 'returns the node and service names' do
+        host, service = @addr.getnameinfo
+
+        host.should be_an_instance_of(String)
+        service.should == 'http'
+      end
+
+      it 'accepts flags as a Fixnum as the first argument' do
+        host, service = @addr.getnameinfo(Socket::NI_NUMERICSERV)
+
+        host.should be_an_instance_of(String)
+        service.should == '80'
+      end
+    end
+  end
+
+  platform_is :linux do
+    with_feature :unix_socket do
+      describe 'using a UNIX Addrinfo' do
+        before do
+          @addr = Addrinfo.unix('cats')
+          @host = Socket.gethostname
+        end
+
+        it 'returns the hostname and UNIX socket path' do
+          host, path = @addr.getnameinfo
+
+          host.should == @host
+          path.should == 'cats'
+        end
+      end
+    end
+  end
+end
diff --git a/spec/ruby/library/socket/addrinfo/initialize_spec.rb b/spec/ruby/library/socket/addrinfo/initialize_spec.rb
new file mode 100644
index 0000000000..42a09ebd68
--- /dev/null
+++ b/spec/ruby/library/socket/addrinfo/initialize_spec.rb
@@ -0,0 +1,587 @@
+require_relative '../spec_helper'
+
+describe "Addrinfo#initialize" do
+
+  describe "with a sockaddr string" do
+
+    describe "without a family" do
+      before :each do
+        @addrinfo = Addrinfo.new(Socket.sockaddr_in("smtp", "2001:DB8::1"))
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "2001:db8::1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 25
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_UNSPEC
+      end
+
+      it 'returns AF_INET as the default address family' do
+        addr = Addrinfo.new(Socket.sockaddr_in(80, '127.0.0.1'))
+
+        addr.afamily.should == Socket::AF_INET
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET6
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == 0
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+    end
+
+    describe "with a family given" do
+      before :each do
+        @addrinfo = Addrinfo.new(Socket.sockaddr_in("smtp", "2001:DB8::1"), Socket::PF_INET6)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "2001:db8::1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 25
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET6
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET6
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == 0
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+    end
+
+    describe "with a family and socket type" do
+      before :each do
+        @addrinfo = Addrinfo.new(Socket.sockaddr_in("smtp", "2001:DB8::1"), Socket::PF_INET6, Socket::SOCK_STREAM)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "2001:db8::1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 25
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET6
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET6
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == Socket::SOCK_STREAM
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+    end
+
+    describe "with a family, socket type and protocol" do
+      before :each do
+        @addrinfo = Addrinfo.new(Socket.sockaddr_in("smtp", "2001:DB8::1"), Socket::PF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "2001:db8::1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 25
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET6
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET6
+      end
+
+      it "returns the specified socket type" do
+        @addrinfo.socktype.should == Socket::SOCK_STREAM
+      end
+
+      it "returns the specified protocol" do
+        @addrinfo.protocol.should == Socket::IPPROTO_TCP
+      end
+    end
+
+  end
+
+  describe "with a sockaddr array" do
+
+    describe "without a family" do
+      before :each do
+        @addrinfo = Addrinfo.new(["AF_INET", 46102, "localhost", "127.0.0.1"])
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "127.0.0.1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 46102
+      end
+
+      it "returns the Socket::PF_INET pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == 0
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+    end
+
+    describe 'with a valid IP address' do
+      # Uses AF_INET6 since AF_INET is the default, making it a better test
+      # that Addrinfo actually sets the family correctly.
+      before do
+        @sockaddr = ['AF_INET6', 80, 'hostname', '::1']
+      end
+
+      it 'returns an Addrinfo with the correct IP' do
+        addr = Addrinfo.new(@sockaddr)
+
+        addr.ip_address.should == '::1'
+      end
+
+      it 'returns an Addrinfo with the correct address family' do
+        addr = Addrinfo.new(@sockaddr)
+
+        addr.afamily.should == Socket::AF_INET6
+      end
+
+      it 'returns an Addrinfo with the correct protocol family' do
+        addr = Addrinfo.new(@sockaddr)
+
+        addr.pfamily.should == Socket::PF_INET6
+      end
+
+      it 'returns an Addrinfo with the correct port' do
+        addr = Addrinfo.new(@sockaddr)
+
+        addr.ip_port.should == 80
+      end
+    end
+
+    describe 'with an invalid IP address' do
+      it 'raises SocketError' do
+        block = lambda { Addrinfo.new(['AF_INET6', 80, 'hostname', '127.0.0.1']) }
+
+        block.should raise_error(SocketError)
+      end
+    end
+
+    describe "with a family given" do
+      before :each do
+        @addrinfo = Addrinfo.new(["AF_INET", 46102, "localhost", "127.0.0.1"], Socket::PF_INET)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "127.0.0.1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 46102
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == 0
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+    end
+
+    describe "with a family and socket type" do
+      before :each do
+        @addrinfo = Addrinfo.new(["AF_INET", 46102, "localhost", "127.0.0.1"], Socket::PF_INET, Socket::SOCK_STREAM)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "127.0.0.1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 46102
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == Socket::SOCK_STREAM
+      end
+
+      it "returns the 0 protocol" do
+        @addrinfo.protocol.should == 0
+      end
+
+      [:SOCK_STREAM, :SOCK_DGRAM, :SOCK_RAW].each do |type|
+        it "overwrites the socket type #{type}" do
+          sockaddr = ['AF_INET', 80, 'hostname', '127.0.0.1']
+
+          value = Socket.const_get(type)
+          addr  = Addrinfo.new(sockaddr, nil, value)
+
+          addr.socktype.should == value
+        end
+      end
+
+      with_feature :sock_packet do
+        [:SOCK_SEQPACKET].each do |type|
+          it "overwrites the socket type #{type}" do
+            sockaddr = ['AF_INET', 80, 'hostname', '127.0.0.1']
+
+            value = Socket.const_get(type)
+            addr  = Addrinfo.new(sockaddr, nil, value)
+
+            addr.socktype.should == value
+          end
+        end
+      end
+
+      it "raises SocketError when using SOCK_RDM" do
+        sockaddr = ['AF_INET', 80, 'hostname', '127.0.0.1']
+        value = Socket::SOCK_RDM
+        block = lambda { Addrinfo.new(sockaddr, nil, value) }
+
+        block.should raise_error(SocketError)
+      end
+    end
+
+    describe "with a family, socket type and protocol" do
+      before :each do
+        @addrinfo = Addrinfo.new(["AF_INET", 46102, "localhost", "127.0.0.1"], Socket::PF_INET, Socket::SOCK_STREAM, Socket::IPPROTO_TCP)
+      end
+
+      it "stores the ip address from the sockaddr" do
+        @addrinfo.ip_address.should == "127.0.0.1"
+      end
+
+      it "stores the port number from the sockaddr" do
+        @addrinfo.ip_port.should == 46102
+      end
+
+      it "returns the Socket::UNSPEC pfamily" do
+        @addrinfo.pfamily.should == Socket::PF_INET
+      end
+
+      it "returns the INET6 afamily" do
+        @addrinfo.afamily.should == Socket::AF_INET
+      end
+
+      it "returns the 0 socket type" do
+        @addrinfo.socktype.should == Socket::SOCK_STREAM
+      end
+
+      it "returns the specified protocol" do
+        @addrinfo.protocol.should == Socket::IPPROTO_TCP
+      end
+    end
+  end
+
+  describe 'using an Array with extra arguments' do
+    describe 'with the AF_INET6 address family and an explicit protocol family' do
+      before do
+        @sockaddr = ['AF_INET6', 80, 'hostname', '127.0.0.1']
+      end
+
+      it "raises SocketError when using any Socket constant except except AF_INET(6)/PF_INET(6)" do
+        Socket.constants.grep(/(^AF_|^PF_)(?!INET)/).each do |constant|
+          value = Socket.const_get(constant)
+          -> {
+            Addrinfo.new(@sockaddr, value)
+          }.should raise_error(SocketError)
+        end
+      end
+    end
+
+    describe 'with the AF_INET address family and an explicit socket protocol' do
+      before do
+        @sockaddr = ['AF_INET', 80, 'hostname', '127.0.0.1']
+      end
+
+      describe 'and no socket type is given' do
+        valid = [:IPPROTO_IP, :IPPROTO_UDP, :IPPROTO_HOPOPTS]
+
+        valid.each do |type|
+          it "overwrites the protocol when using #{type}" do
+            value = Socket.const_get(type)
+            addr  = Addrinfo.new(@sockaddr, nil, nil, value)
+
+            addr.protocol.should == value
+          end
+        end
+
+        platform_is_not :windows do
+          (Socket.constants.grep(/^IPPROTO/) - valid).each do |type|
+            it "raises SocketError when using #{type}" do
+              value = Socket.const_get(type)
+              block = lambda { Addrinfo.new(@sockaddr, nil, nil, value) }
+
+              block.should raise_error(SocketError)
+            end
+          end
+        end
+      end
+
+      describe 'and the socket type is set to SOCK_DGRAM' do
+        before do
+          @socktype = Socket::SOCK_DGRAM
+        end
+
+        valid = [:IPPROTO_IP, :IPPROTO_UDP, :IPPROTO_HOPOPTS]
+
+        valid.each do |type|
+          it "overwrites the protocol when using #{type}" do
+            value = Socket.const_get(type)
+            addr  = Addrinfo.new(@sockaddr, nil, @socktype, value)
+
+            addr.protocol.should == value
+          end
+        end
+
+        platform_is_not :windows do
+          (Socket.constants.grep(/^IPPROTO/) - valid).each do |type|
+            it "raises SocketError when using #{type}" do
+              value = Socket.const_get(type)
+              block = lambda { Addrinfo.new(@sockaddr, nil, @socktype, value) }
+
+              block.should raise_error(SocketError)
+            end
+          end
+        end
+      end
+
+      with_feature :sock_packet do
+        describe 'and the socket type is set to SOCK_PACKET' do
+          before do
+            @socktype = Socket::SOCK_PACKET
+          end
+
+          Socket.constants.grep(/^IPPROTO/).each do |type|
+            it "raises SocketError when using #{type}" do
+              value = Socket.const_get(type)
+              block = lambda { Addrinfo.new(@sockaddr, nil, @socktype, value) }
+
+              block.should raise_error(SocketError)
+            end
+          end
+        end
+      end
+
+      describe 'and the socket type is set to SOCK_RAW' do
+        before do
+          @socktype = Socket::SOCK_RAW
+        end
+
+        Socket.constants.grep(/^IPPROTO/).each do |type|
+          it "overwrites the protocol when using #{type}" do
+            value = Socket.const_get(type)
+            addr  = Addrinfo.new(@sockaddr, nil, @socktype, value)
+
+            addr.protocol.should == value
+          end
+        end
+      end
+
+      describe 'and the socket type is set to SOCK_RDM' do
+        before do
+          @socktype = Socket::SOCK_RDM
+        end
+
+        Socket.constants.grep(/^IPPROTO/).each do |type|
+          it "raises SocketError when using #{type}" do
+            value = Socket.const_get(type)
+            block = lambda { Addrinfo.new(@sockaddr, nil, @socktype, value) }
+
+            block.should raise_error(SocketError)
+          end
+        end
+      end
+
+      platform_is_not :windows do
+        describe 'and the socket type is set to SOCK_SEQPACKET' do
+          before do
+            @socktype = Socket::SOCK_SEQPACKET
+          end
+
+          valid = [:IPPROTO_IP, :IPPROTO_HOPOPTS]
+
+          valid.each do |type|
+            it "overwrites the protocol when using #{type}" do
+              value = Socket.const_get(type)
+              addr  = Addrinfo.new(@sockaddr, nil, @socktype, value)
+
+              addr.protocol.should == value
+            end
+          end
+
+          (Socket.constants.grep(/^IPPROTO/) - valid).each do |type|
+            it "raises SocketError when using #{type}" do
+              value = Socket.const_get(type)
+              block = lambda { Addrinfo.new(@sockaddr, nil, @socktype, value) }
+
+              block.should raise_error(SocketError)
+            end
+          end
+        end
+      end
+
+      describe 'and the socket type is set to SOCK_STREAM' do
+        before do
+          @socktype = Socket::SOCK_STREAM
+        end
+
+        valid = [:IPPROTO_IP, :IPPROTO_TCP, :IPPROTO_HOPOPTS]
+
+        valid.each do |type|
+          it "overwrites the protocol when using #{type}" do
+            value = Socket.const_get(type)
+            addr  = Addrinfo.new(@sockaddr, nil, @socktype, value)
+
+            addr.protocol.should == value
+          end
+        end
+
+        platform_is_not :windows do
+          (Socket.constants.grep(/^IPPROTO/) - valid).each do |type|
+            it "raises SocketError when using #{type}" do
+              value = Socket.const_get(type)
+              block = lambda { Addrinfo.new(@sockaddr, nil, @socktype, value) }
+
+              block.should raise_error(SocketError)
+            end
+          end
+        end
+      end
+    end
+  end
+
+  describe 'with Symbols' do
+    before do
+      @sockaddr = Socket.sockaddr_in(80, '127.0.0.1')
+    end
+
+    it 'returns an Addrinfo with :PF_INET  family' do
+      addr = Addrinfo.new(@sockaddr, :PF_INET)
+
+      addr.pfamily.should == Socket::PF_INET
+    end
+
+    it 'returns an Addrinfo with :INET  family' do
+      addr = Addrinfo.new(@sockaddr, :INET)
+
+      addr.pfamily.should == Socket::PF_INET
+    end
+
+    it 'returns an Addrinfo with :SOCK_STREAM as the socket type' do
+      addr = Addrinfo.new(@sockaddr, nil, :SOCK_STREAM)
+
+      addr.socktype.should == Socket::SOCK_STREAM
+    end
+
+    it 'returns an Addrinfo with :STREAM as the socket type' do
+      addr = Addrinfo.new(@sockaddr, nil, :STREAM)
+
+      addr.socktype.should == Socket::SOCK_STREAM
+    end
+  end
+
+  describe 'with Strings' do
+    before do
+      @sockaddr = Socket.sockaddr_in(80, '127.0.0.1')
+    end
+
+    it 'returns an Addrinfo with "PF_INET"  family' do
+      addr = Addrinfo.new(@sockaddr, 'PF_INET')
+
+      addr.pfamily.should == Socket::PF_INET
+    end
+
+    it 'returns an Addrinfo with "INET"  family' do
+      addr = Addrinfo.new(@sockaddr, 'INET')
+
+      addr.pfamily.should == Socket::PF_INET
+    end
+
+    it 'returns an Addrinfo with "SOCK_STREAM" as the socket type' do
+      addr = Addrinfo.new(@sockaddr, nil, 'SOCK_STREAM')
+
+      addr.socktype.should == Socket::SOCK_STREAM
+    end
+
+    it 'returns an Addrinfo with "STREAM" as the socket type' do
+      addr = Addrinfo.new(@sockaddr, nil, 'STREAM')
+
+      addr.socktype.should == Socket::SOCK_STREAM
+    end
+  end
+
+  with_feature :unix_socket do
+    describe 'using separate arguments for a Unix socket' do
+      before do
+        @sockaddr = Socket.pack_sockaddr_un('socket')
+      end
+
+      it 'returns an Addrinfo with the correct unix path' do
+        Addrinfo.new(@sockaddr).unix_path.should == 'socket'
+      end
+
+      it 'returns an Addrinfo with the correct protocol family' do
+        Addrinfo.new(@sockaddr).pfamily.should == Socket::PF_UNSPEC
+      end
+
+      it 'returns an Addrinfo with the correct address family' do
+        Addrinfo.new(@sockaddr).afamily.should == Socket::AF_UNIX
+      end
+    end
+  end
+end