kotovalexarian-likes-github/moby--moby
1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
Code Releases Activity

Added more test coverage for portmapper package.

Browse source 
Signed-off-by: Madhu Venugopal <madhu@docker.com>
This commit is contained in:
Madhu Venugopal 2015-05-07 10:47:21 -07:00
parent e745f03301
commit 2fc4f3154f
1 changed files with 88 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

98
libnetwork/portmapper/mapper_test.go
View file

@ -2,14 +2,20 @@ package portmapper
import (
"net"
"os"
"testing"
"time"
"github.com/docker/docker/pkg/reexec"
"github.com/docker/libnetwork/netutils"
"github.com/docker/libnetwork/pkg/iptables"
)
func init() {
// override this func to mock out the proxy server
newProxy = newMockProxyCommand
func TestMain(m *testing.M) {
if reexec.Init() {
return
}
os.Exit(m.Run())
}
func TestSetIptablesChain(t *testing.T) {
@ -30,7 +36,8 @@ func TestSetIptablesChain(t *testing.T) {
}
}
func TestMapPorts(t *testing.T) {
func TestMapTCPPorts(t *testing.T) {
defer netutils.SetupTestNetNS(t)()
pm := New()
dstIP1 := net.ParseIP("192.168.0.1")
dstIP2 := net.ParseIP("192.168.0.2")
@ -109,7 +116,59 @@ func TestGetUDPIPAndPort(t *testing.T) {
}
}
func TestMapUDPPorts(t *testing.T) {
defer netutils.SetupTestNetNS(t)()
pm := New()
dstIP1 := net.ParseIP("192.168.0.1")
dstIP2 := net.ParseIP("192.168.0.2")
dstAddr1 := &net.UDPAddr{IP: dstIP1, Port: 80}
dstAddr2 := &net.UDPAddr{IP: dstIP2, Port: 80}
srcAddr1 := &net.UDPAddr{Port: 1080, IP: net.ParseIP("172.16.0.1")}
srcAddr2 := &net.UDPAddr{Port: 1080, IP: net.ParseIP("172.16.0.2")}
addrEqual := func(addr1, addr2 net.Addr) bool {
return (addr1.Network() == addr2.Network()) && (addr1.String() == addr2.String())
}
if host, err := pm.Map(srcAddr1, dstIP1, 80); err != nil {
t.Fatalf("Failed to allocate port: %s", err)
} else if !addrEqual(dstAddr1, host) {
t.Fatalf("Incorrect mapping result: expected %s:%s, got %s:%s",
dstAddr1.String(), dstAddr1.Network(), host.String(), host.Network())
}
if _, err := pm.Map(srcAddr1, dstIP1, 80); err == nil {
t.Fatalf("Port is in use - mapping should have failed")
}
if _, err := pm.Map(srcAddr2, dstIP1, 80); err == nil {
t.Fatalf("Port is in use - mapping should have failed")
}
if _, err := pm.Map(srcAddr2, dstIP2, 80); err != nil {
t.Fatalf("Failed to allocate port: %s", err)
}
if pm.Unmap(dstAddr1) != nil {
t.Fatalf("Failed to release port")
}
if pm.Unmap(dstAddr2) != nil {
t.Fatalf("Failed to release port")
}
if pm.Unmap(dstAddr2) == nil {
t.Fatalf("Port already released, but no error reported")
}
}
func TestMapAllPortsSingleInterface(t *testing.T) {
newProxy = newMockProxyCommand
defer func() {
newProxy = newProxyCommand
}()
defer netutils.SetupTestNetNS(t)()
pm := New()
dstIP1 := net.ParseIP("0.0.0.0")
srcAddr1 := &net.TCPAddr{Port: 1080, IP: net.ParseIP("172.16.0.1")}
@ -118,12 +177,6 @@ func TestMapAllPortsSingleInterface(t *testing.T) {
var host net.Addr
var err error
defer func() {
for _, val := range hosts {
pm.Unmap(val)
}
}()
for i := 0; i < 10; i++ {
start, end := pm.Allocator.Begin, pm.Allocator.End
for i := start; i < end; i++ {
@ -147,3 +200,28 @@ func TestMapAllPortsSingleInterface(t *testing.T) {
hosts = []net.Addr{}
}
}
func TestExecProxy(t *testing.T) {
defer netutils.SetupTestNetNS(t)()
args := []string{
userlandProxyCommandName,
"-proto", "tcp",
"-host-ip", "0.0.0.0",
"-host-port", "9999",
"-container-ip", "172.168.1.1",
"-container-port", "8888",
}
os.Args = args
doneChan := make(chan bool)
go func() {
execProxy()
doneChan <- true
}()
select {
case <-doneChan:
t.Fatal("execProxy is not supposed to exit")
case <-time.After(3 * time.Second):
return
}
}