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Diffstat (limited to '')
-rw-r--r-- | src/net/server_test.go | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/src/net/server_test.go b/src/net/server_test.go new file mode 100644 index 0000000..4ac5443 --- /dev/null +++ b/src/net/server_test.go @@ -0,0 +1,398 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build !js + +package net + +import ( + "os" + "testing" +) + +var tcpServerTests = []struct { + snet, saddr string // server endpoint + tnet, taddr string // target endpoint for client +}{ + {snet: "tcp", saddr: ":0", tnet: "tcp", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "0.0.0.0:0", tnet: "tcp", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::ffff:0.0.0.0]:0", tnet: "tcp", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::]:0", tnet: "tcp", taddr: "::1"}, + + {snet: "tcp", saddr: ":0", tnet: "tcp", taddr: "::1"}, + {snet: "tcp", saddr: "0.0.0.0:0", tnet: "tcp", taddr: "::1"}, + {snet: "tcp", saddr: "[::ffff:0.0.0.0]:0", tnet: "tcp", taddr: "::1"}, + {snet: "tcp", saddr: "[::]:0", tnet: "tcp", taddr: "127.0.0.1"}, + + {snet: "tcp", saddr: ":0", tnet: "tcp4", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "0.0.0.0:0", tnet: "tcp4", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::ffff:0.0.0.0]:0", tnet: "tcp4", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::]:0", tnet: "tcp6", taddr: "::1"}, + + {snet: "tcp", saddr: ":0", tnet: "tcp6", taddr: "::1"}, + {snet: "tcp", saddr: "0.0.0.0:0", tnet: "tcp6", taddr: "::1"}, + {snet: "tcp", saddr: "[::ffff:0.0.0.0]:0", tnet: "tcp6", taddr: "::1"}, + {snet: "tcp", saddr: "[::]:0", tnet: "tcp4", taddr: "127.0.0.1"}, + + {snet: "tcp", saddr: "127.0.0.1:0", tnet: "tcp", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::ffff:127.0.0.1]:0", tnet: "tcp", taddr: "127.0.0.1"}, + {snet: "tcp", saddr: "[::1]:0", tnet: "tcp", taddr: "::1"}, + + {snet: "tcp4", saddr: ":0", tnet: "tcp4", taddr: "127.0.0.1"}, + {snet: "tcp4", saddr: "0.0.0.0:0", tnet: "tcp4", taddr: "127.0.0.1"}, + {snet: "tcp4", saddr: "[::ffff:0.0.0.0]:0", tnet: "tcp4", taddr: "127.0.0.1"}, + + {snet: "tcp4", saddr: "127.0.0.1:0", tnet: "tcp4", taddr: "127.0.0.1"}, + + {snet: "tcp6", saddr: ":0", tnet: "tcp6", taddr: "::1"}, + {snet: "tcp6", saddr: "[::]:0", tnet: "tcp6", taddr: "::1"}, + + {snet: "tcp6", saddr: "[::1]:0", tnet: "tcp6", taddr: "::1"}, +} + +// TestTCPServer tests concurrent accept-read-write servers. +func TestTCPServer(t *testing.T) { + const N = 3 + + for i, tt := range tcpServerTests { + t.Run(tt.snet+" "+tt.saddr+"<-"+tt.taddr, func(t *testing.T) { + if !testableListenArgs(tt.snet, tt.saddr, tt.taddr) { + t.Skip("not testable") + } + + ln, err := Listen(tt.snet, tt.saddr) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + + var lss []*localServer + var tpchs []chan error + defer func() { + for _, ls := range lss { + ls.teardown() + } + }() + for i := 0; i < N; i++ { + ls, err := (&streamListener{Listener: ln}).newLocalServer() + if err != nil { + t.Fatal(err) + } + lss = append(lss, ls) + tpchs = append(tpchs, make(chan error, 1)) + } + for i := 0; i < N; i++ { + ch := tpchs[i] + handler := func(ls *localServer, ln Listener) { ls.transponder(ln, ch) } + if err := lss[i].buildup(handler); err != nil { + t.Fatal(err) + } + } + + var trchs []chan error + for i := 0; i < N; i++ { + _, port, err := SplitHostPort(lss[i].Listener.Addr().String()) + if err != nil { + t.Fatal(err) + } + d := Dialer{Timeout: someTimeout} + c, err := d.Dial(tt.tnet, JoinHostPort(tt.taddr, port)) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + if tt.taddr == "::1" && os.Getenv("GO_BUILDER_NAME") == "darwin-amd64-10_12" && os.IsTimeout(err) { + // A suspected kernel bug in macOS 10.12 occasionally results in + // "i/o timeout" errors when dialing address ::1. The errors have not + // been observed on newer versions of the OS, so we don't plan to work + // around them. See https://golang.org/issue/32919. + t.Skipf("skipping due to error on known-flaky macOS 10.12 builder: %v", err) + } + t.Fatal(err) + } + defer c.Close() + trchs = append(trchs, make(chan error, 1)) + go transceiver(c, []byte("TCP SERVER TEST"), trchs[i]) + } + + for _, ch := range trchs { + for err := range ch { + t.Errorf("#%d: %v", i, err) + } + } + for _, ch := range tpchs { + for err := range ch { + t.Errorf("#%d: %v", i, err) + } + } + }) + } +} + +var unixAndUnixpacketServerTests = []struct { + network, address string +}{ + {"unix", testUnixAddr()}, + {"unix", "@nettest/go/unix"}, + + {"unixpacket", testUnixAddr()}, + {"unixpacket", "@nettest/go/unixpacket"}, +} + +// TestUnixAndUnixpacketServer tests concurrent accept-read-write +// servers +func TestUnixAndUnixpacketServer(t *testing.T) { + const N = 3 + + for i, tt := range unixAndUnixpacketServerTests { + if !testableListenArgs(tt.network, tt.address, "") { + t.Logf("skipping %s test", tt.network+" "+tt.address) + continue + } + + ln, err := Listen(tt.network, tt.address) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + + var lss []*localServer + var tpchs []chan error + defer func() { + for _, ls := range lss { + ls.teardown() + } + }() + for i := 0; i < N; i++ { + ls, err := (&streamListener{Listener: ln}).newLocalServer() + if err != nil { + t.Fatal(err) + } + lss = append(lss, ls) + tpchs = append(tpchs, make(chan error, 1)) + } + for i := 0; i < N; i++ { + ch := tpchs[i] + handler := func(ls *localServer, ln Listener) { ls.transponder(ln, ch) } + if err := lss[i].buildup(handler); err != nil { + t.Fatal(err) + } + } + + var trchs []chan error + for i := 0; i < N; i++ { + d := Dialer{Timeout: someTimeout} + c, err := d.Dial(lss[i].Listener.Addr().Network(), lss[i].Listener.Addr().String()) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + defer os.Remove(c.LocalAddr().String()) + defer c.Close() + trchs = append(trchs, make(chan error, 1)) + go transceiver(c, []byte("UNIX AND UNIXPACKET SERVER TEST"), trchs[i]) + } + + for _, ch := range trchs { + for err := range ch { + t.Errorf("#%d: %v", i, err) + } + } + for _, ch := range tpchs { + for err := range ch { + t.Errorf("#%d: %v", i, err) + } + } + } +} + +var udpServerTests = []struct { + snet, saddr string // server endpoint + tnet, taddr string // target endpoint for client + dial bool // test with Dial +}{ + {snet: "udp", saddr: ":0", tnet: "udp", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "0.0.0.0:0", tnet: "udp", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::]:0", tnet: "udp", taddr: "::1"}, + + {snet: "udp", saddr: ":0", tnet: "udp", taddr: "::1"}, + {snet: "udp", saddr: "0.0.0.0:0", tnet: "udp", taddr: "::1"}, + {snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp", taddr: "::1"}, + {snet: "udp", saddr: "[::]:0", tnet: "udp", taddr: "127.0.0.1"}, + + {snet: "udp", saddr: ":0", tnet: "udp4", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "0.0.0.0:0", tnet: "udp4", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp4", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::]:0", tnet: "udp6", taddr: "::1"}, + + {snet: "udp", saddr: ":0", tnet: "udp6", taddr: "::1"}, + {snet: "udp", saddr: "0.0.0.0:0", tnet: "udp6", taddr: "::1"}, + {snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp6", taddr: "::1"}, + {snet: "udp", saddr: "[::]:0", tnet: "udp4", taddr: "127.0.0.1"}, + + {snet: "udp", saddr: "127.0.0.1:0", tnet: "udp", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::ffff:127.0.0.1]:0", tnet: "udp", taddr: "127.0.0.1"}, + {snet: "udp", saddr: "[::1]:0", tnet: "udp", taddr: "::1"}, + + {snet: "udp4", saddr: ":0", tnet: "udp4", taddr: "127.0.0.1"}, + {snet: "udp4", saddr: "0.0.0.0:0", tnet: "udp4", taddr: "127.0.0.1"}, + {snet: "udp4", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp4", taddr: "127.0.0.1"}, + + {snet: "udp4", saddr: "127.0.0.1:0", tnet: "udp4", taddr: "127.0.0.1"}, + + {snet: "udp6", saddr: ":0", tnet: "udp6", taddr: "::1"}, + {snet: "udp6", saddr: "[::]:0", tnet: "udp6", taddr: "::1"}, + + {snet: "udp6", saddr: "[::1]:0", tnet: "udp6", taddr: "::1"}, + + {snet: "udp", saddr: "127.0.0.1:0", tnet: "udp", taddr: "127.0.0.1", dial: true}, + + {snet: "udp", saddr: "[::1]:0", tnet: "udp", taddr: "::1", dial: true}, +} + +func TestUDPServer(t *testing.T) { + for i, tt := range udpServerTests { + if !testableListenArgs(tt.snet, tt.saddr, tt.taddr) { + t.Logf("skipping %s test", tt.snet+" "+tt.saddr+"<-"+tt.taddr) + continue + } + + c1, err := ListenPacket(tt.snet, tt.saddr) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + + ls, err := (&packetListener{PacketConn: c1}).newLocalServer() + if err != nil { + t.Fatal(err) + } + defer ls.teardown() + tpch := make(chan error, 1) + handler := func(ls *localPacketServer, c PacketConn) { packetTransponder(c, tpch) } + if err := ls.buildup(handler); err != nil { + t.Fatal(err) + } + + trch := make(chan error, 1) + _, port, err := SplitHostPort(ls.PacketConn.LocalAddr().String()) + if err != nil { + t.Fatal(err) + } + if tt.dial { + d := Dialer{Timeout: someTimeout} + c2, err := d.Dial(tt.tnet, JoinHostPort(tt.taddr, port)) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + defer c2.Close() + go transceiver(c2, []byte("UDP SERVER TEST"), trch) + } else { + c2, err := ListenPacket(tt.tnet, JoinHostPort(tt.taddr, "0")) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + defer c2.Close() + dst, err := ResolveUDPAddr(tt.tnet, JoinHostPort(tt.taddr, port)) + if err != nil { + t.Fatal(err) + } + go packetTransceiver(c2, []byte("UDP SERVER TEST"), dst, trch) + } + + for err := range trch { + t.Errorf("#%d: %v", i, err) + } + for err := range tpch { + t.Errorf("#%d: %v", i, err) + } + } +} + +var unixgramServerTests = []struct { + saddr string // server endpoint + caddr string // client endpoint + dial bool // test with Dial +}{ + {saddr: testUnixAddr(), caddr: testUnixAddr()}, + {saddr: testUnixAddr(), caddr: testUnixAddr(), dial: true}, + + {saddr: "@nettest/go/unixgram/server", caddr: "@nettest/go/unixgram/client"}, +} + +func TestUnixgramServer(t *testing.T) { + for i, tt := range unixgramServerTests { + if !testableListenArgs("unixgram", tt.saddr, "") { + t.Logf("skipping %s test", "unixgram "+tt.saddr+"<-"+tt.caddr) + continue + } + + c1, err := ListenPacket("unixgram", tt.saddr) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + + ls, err := (&packetListener{PacketConn: c1}).newLocalServer() + if err != nil { + t.Fatal(err) + } + defer ls.teardown() + tpch := make(chan error, 1) + handler := func(ls *localPacketServer, c PacketConn) { packetTransponder(c, tpch) } + if err := ls.buildup(handler); err != nil { + t.Fatal(err) + } + + trch := make(chan error, 1) + if tt.dial { + d := Dialer{Timeout: someTimeout, LocalAddr: &UnixAddr{Net: "unixgram", Name: tt.caddr}} + c2, err := d.Dial("unixgram", ls.PacketConn.LocalAddr().String()) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + defer os.Remove(c2.LocalAddr().String()) + defer c2.Close() + go transceiver(c2, []byte(c2.LocalAddr().String()), trch) + } else { + c2, err := ListenPacket("unixgram", tt.caddr) + if err != nil { + if perr := parseDialError(err); perr != nil { + t.Error(perr) + } + t.Fatal(err) + } + defer os.Remove(c2.LocalAddr().String()) + defer c2.Close() + go packetTransceiver(c2, []byte("UNIXGRAM SERVER TEST"), ls.PacketConn.LocalAddr(), trch) + } + + for err := range trch { + t.Errorf("#%d: %v", i, err) + } + for err := range tpch { + t.Errorf("#%d: %v", i, err) + } + } +} |