Golang testenv.MustHaveExternalNetwork函数代码示例

func TestVendorTest2(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.makeTempdir()
	tg.setenv("GOPATH", tg.path("."))
	tg.setenv("GO15VENDOREXPERIMENT", "1")
	tg.run("get", "github.com/rsc/go-get-issue-11864")

	// build -i should work
	tg.run("build", "-i", "github.com/rsc/go-get-issue-11864")
	tg.run("build", "-i", "github.com/rsc/go-get-issue-11864/t")

	// test -i should work like build -i (golang.org/issue/11988)
	tg.run("test", "-i", "github.com/rsc/go-get-issue-11864")
	tg.run("test", "-i", "github.com/rsc/go-get-issue-11864/t")

	// test should work too
	tg.run("test", "github.com/rsc/go-get-issue-11864")
	tg.run("test", "github.com/rsc/go-get-issue-11864/t")

	// external tests should observe internal test exports (golang.org/issue/11977)
	tg.run("test", "github.com/rsc/go-get-issue-11864/vendor/vendor.org/tx2")
}

func TestLookupNS(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	for _, server := range nslookupTestServers {
		ns, err := LookupNS(server)
		if err != nil {
			t.Errorf("failed %s: %s", server, err)
			continue
		}
		if len(ns) == 0 {
			t.Errorf("no results")
			continue
		}
		expected, err := nslookupNS(server)
		if err != nil {
			t.Logf("skipping failed nslookup %s test: %s", server, err)
			continue
		}
		sort.Sort(byHost(expected))
		sort.Sort(byHost(ns))
		if !reflect.DeepEqual(expected, ns) {
			t.Errorf("different results %s:\texp:%v\tgot:%v", toJson(server), toJson(expected), ns)
		}
	}
}

func TestVerifyHostname(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	c, err := Dial("tcp", "www.google.com:https", nil)
	if err != nil {
		t.Fatal(err)
	}
	if err := c.VerifyHostname("www.google.com"); err != nil {
		t.Fatalf("verify www.google.com: %v", err)
	}
	if err := c.VerifyHostname("www.yahoo.com"); err == nil {
		t.Fatalf("verify www.yahoo.com succeeded")
	}

	c, err = Dial("tcp", "www.google.com:https", &Config{InsecureSkipVerify: true})
	if err != nil {
		t.Fatal(err)
	}
	if err := c.VerifyHostname("www.google.com"); err == nil {
		t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
	}
	if err := c.VerifyHostname("www.yahoo.com"); err == nil {
		t.Fatalf("verify www.google.com succeeded with InsecureSkipVerify=true")
	}
}

func TestLookupTXT(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	for _, server := range nslookupTestServers {
		txt, err := LookupTXT(server)
		if err != nil {
			t.Errorf("failed %s: %s", server, err)
			continue
		}
		if len(txt) == 0 {
			t.Errorf("no results")
			continue
		}
		expected, err := nslookupTXT(server)
		if err != nil {
			t.Logf("skipping failed nslookup %s test: %s", server, err)
			continue
		}
		sort.Strings(expected)
		sort.Strings(txt)
		if !reflect.DeepEqual(expected, txt) {
			t.Errorf("different results %s:\texp:%v\tgot:%v", server, toJson(expected), toJson(txt))
		}
	}
}

func TestVendorTest3(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.makeTempdir()
	tg.setenv("GOPATH", tg.path("."))
	tg.run("get", "github.com/clsung/go-vendor-issue-14613")

	tg.run("build", "-i", "github.com/clsung/go-vendor-issue-14613")

	// test folder should work
	tg.run("test", "-i", "github.com/clsung/go-vendor-issue-14613")
	tg.run("test", "github.com/clsung/go-vendor-issue-14613")

	// test with specified _test.go should work too
	tg.cd(filepath.Join(tg.path("."), "src"))
	tg.run("test", "-i", "github.com/clsung/go-vendor-issue-14613/vendor_test.go")
	tg.run("test", "github.com/clsung/go-vendor-issue-14613/vendor_test.go")

	// test with imported and not used
	tg.run("test", "-i", "github.com/clsung/go-vendor-issue-14613/vendor/mylibtesttest/myapp/myapp_test.go")
	tg.runFail("test", "github.com/clsung/go-vendor-issue-14613/vendor/mylibtesttest/myapp/myapp_test.go")
	tg.grepStderr("imported and not used:", `should say "imported and not used"`)
}

func TestLookupGmailNS(t *testing.T) {
	if testenv.Builder() == "" {
		testenv.MustHaveExternalNetwork(t)
	}

	if !supportsIPv4 || !*testIPv4 {
		t.Skip("IPv4 is required")
	}

	for _, tt := range lookupGmailNSTests {
		nss, err := LookupNS(tt.name)
		if err != nil {
			testenv.SkipFlakyNet(t)
			t.Fatal(err)
		}
		if len(nss) == 0 {
			t.Error("got no record")
		}
		for _, ns := range nss {
			if !strings.HasSuffix(ns.Host, tt.host) {
				t.Errorf("got %v; want a record containing %s", ns, tt.host)
			}
		}
	}
}

func TestLookupGoogleSRV(t *testing.T) {
	if testenv.Builder() == "" {
		testenv.MustHaveExternalNetwork(t)
	}

	if !supportsIPv4 || !*testIPv4 {
		t.Skip("IPv4 is required")
	}

	for _, tt := range lookupGoogleSRVTests {
		cname, srvs, err := LookupSRV(tt.service, tt.proto, tt.name)
		if err != nil {
			testenv.SkipFlakyNet(t)
			t.Fatal(err)
		}
		if len(srvs) == 0 {
			t.Error("got no record")
		}
		if !strings.HasSuffix(cname, tt.cname) {
			t.Errorf("got %s; want %s", cname, tt.cname)
		}
		for _, srv := range srvs {
			if !strings.HasSuffix(srv.Target, tt.target) {
				t.Errorf("got %v; want a record containing %s", srv, tt.target)
			}
		}
	}
}

func TestProhibitionaryDialArg(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	}
	if !supportsIPv4map {
		t.Skip("mapping ipv4 address inside ipv6 address not supported")
	}

	ln, err := Listen("tcp", "[::]:0")
	if err != nil {
		t.Fatal(err)
	}
	defer ln.Close()

	_, port, err := SplitHostPort(ln.Addr().String())
	if err != nil {
		t.Fatal(err)
	}

	for i, tt := range prohibitionaryDialArgTests {
		c, err := Dial(tt.network, JoinHostPort(tt.address, port))
		if err == nil {
			c.Close()
			t.Errorf("#%d: %v", i, err)
		}
	}
}

func TestWildWildcardListener(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	}

	defer func() {
		if p := recover(); p != nil {
			t.Fatalf("panicked: %v", p)
		}
	}()

	if ln, err := Listen("tcp", ""); err == nil {
		ln.Close()
	}
	if ln, err := ListenPacket("udp", ""); err == nil {
		ln.Close()
	}
	if ln, err := ListenTCP("tcp", nil); err == nil {
		ln.Close()
	}
	if ln, err := ListenUDP("udp", nil); err == nil {
		ln.Close()
	}
	if ln, err := ListenIP("ip:icmp", nil); err == nil {
		ln.Close()
	}
}

func TestListenMulticastUDP(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	ifcs, err := Interfaces()
	if err != nil {
		t.Skip(err.Error())
	}
	if len(ifcs) == 0 {
		t.Skip("no network interfaces found")
	}

	var mifc *Interface
	for _, ifc := range ifcs {
		if ifc.Flags&FlagUp|FlagMulticast != FlagUp|FlagMulticast {
			continue
		}
		mifc = &ifc
		break
	}

	if mifc == nil {
		t.Skipf("no multicast interfaces found")
	}

	c1, err := ListenMulticastUDP("udp4", mifc, &UDPAddr{IP: ParseIP("224.0.0.254")})
	if err != nil {
		t.Fatalf("multicast not working on %s", runtime.GOOS)
	}
	c1addr := c1.LocalAddr().(*UDPAddr)
	if err != nil {
		t.Fatal(err)
	}
	defer c1.Close()

	c2, err := ListenUDP("udp4", &UDPAddr{IP: IPv4zero, Port: 0})
	c2addr := c2.LocalAddr().(*UDPAddr)
	if err != nil {
		t.Fatal(err)
	}
	defer c2.Close()

	n, err := c2.WriteToUDP([]byte("data"), c1addr)
	if err != nil {
		t.Fatal(err)
	}
	if n != 4 {
		t.Fatalf("got %d; want 4", n)
	}

	n, err = c1.WriteToUDP([]byte("data"), c2addr)
	if err != nil {
		t.Fatal(err)
	}
	if n != 4 {
		t.Fatalf("got %d; want 4", n)
	}
}

func TestGetSubmodules(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.makeTempdir()
	tg.setenv("GOPATH", tg.path("."))
	tg.run("get", "-d", "github.com/rsc/go-get-issue-12612")
	tg.run("get", "-u", "-d", "github.com/rsc/go-get-issue-12612")
}

func TestVendorGetUpdate(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.makeTempdir()
	tg.setenv("GOPATH", tg.path("."))
	tg.run("get", "github.com/rsc/go-get-issue-11864")
	tg.run("get", "-u", "github.com/rsc/go-get-issue-11864")
}

// TestIPv6MulticastListener tests both single and double listen to a
// test listener with same address family, same group address and same
// port.
func TestIPv6MulticastListener(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	case "solaris":
		t.Skipf("not supported on solaris, see issue 7399")
	}
	if !supportsIPv6 {
		t.Skip("IPv6 is not supported")
	}
	if os.Getuid() != 0 {
		t.Skip("must be root")
	}

	closer := func(cs []*UDPConn) {
		for _, c := range cs {
			if c != nil {
				c.Close()
			}
		}
	}

	for _, ifi := range []*Interface{loopbackInterface(), nil} {
		// Note that multicast interface assignment by system
		// is not recommended because it usually relies on
		// routing stuff for finding out an appropriate
		// nexthop containing both network and link layer
		// adjacencies.
		if ifi == nil && !*testIPv6 {
			continue
		}
		for _, tt := range ipv6MulticastListenerTests {
			var err error
			cs := make([]*UDPConn, 2)
			if cs[0], err = ListenMulticastUDP(tt.net, ifi, tt.gaddr); err != nil {
				t.Fatal(err)
			}
			if err := checkMulticastListener(cs[0], tt.gaddr.IP); err != nil {
				closer(cs)
				t.Fatal(err)
			}
			if cs[1], err = ListenMulticastUDP(tt.net, ifi, tt.gaddr); err != nil {
				closer(cs)
				t.Fatal(err)
			}
			if err := checkMulticastListener(cs[1], tt.gaddr.IP); err != nil {
				closer(cs)
				t.Fatal(err)
			}
			closer(cs)
		}
	}
}

func TestGetSubmodules(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	tg := testgo(t)
	defer tg.cleanup()
	tg.makeTempdir()
	tg.setenv("GOPATH", tg.path("."))
	tg.run("get", "-d", "github.com/rsc/go-get-issue-12612")
	tg.run("get", "-u", "-d", "github.com/rsc/go-get-issue-12612")
	tg.mustExist(tg.path("src/github.com/rsc/go-get-issue-12612/vendor/golang.org/x/crypto/.git"))
}

func TestIPv6LinkLocalUnicastTCP(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	if !supportsIPv6 {
		t.Skip("IPv6 is not supported")
	}

	for i, tt := range ipv6LinkLocalUnicastTCPTests {
		ln, err := Listen(tt.network, tt.address)
		if err != nil {
			// It might return "LookupHost returned no
			// suitable address" error on some platforms.
			t.Log(err)
			continue
		}
		ls, err := (&streamListener{Listener: ln}).newLocalServer()
		if err != nil {
			t.Fatal(err)
		}
		defer ls.teardown()
		ch := make(chan error, 1)
		handler := func(ls *localServer, ln Listener) { transponder(ln, ch) }
		if err := ls.buildup(handler); err != nil {
			t.Fatal(err)
		}
		if la, ok := ln.Addr().(*TCPAddr); !ok || !tt.nameLookup && la.Zone == "" {
			t.Fatalf("got %v; expected a proper address with zone identifier", la)
		}

		c, err := Dial(tt.network, ls.Listener.Addr().String())
		if err != nil {
			t.Fatal(err)
		}
		defer c.Close()
		if la, ok := c.LocalAddr().(*TCPAddr); !ok || !tt.nameLookup && la.Zone == "" {
			t.Fatalf("got %v; expected a proper address with zone identifier", la)
		}
		if ra, ok := c.RemoteAddr().(*TCPAddr); !ok || !tt.nameLookup && ra.Zone == "" {
			t.Fatalf("got %v; expected a proper address with zone identifier", ra)
		}

		if _, err := c.Write([]byte("TCP OVER IPV6 LINKLOCAL TEST")); err != nil {
			t.Fatal(err)
		}
		b := make([]byte, 32)
		if _, err := c.Read(b); err != nil {
			t.Fatal(err)
		}

		for err := range ch {
			t.Errorf("#%d: %v", i, err)
		}
	}
}