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moby--moby/integration-cli/docker_cli_nat_test.go
Jessica Frazelle 17842840ec Cleanup errorOut resp in nat test
Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
2014-10-16 15:05:00 -07:00

60 lines
1.6 KiB
Go

package main
import (
"fmt"
"net"
"os/exec"
"strings"
"testing"
)
func TestNetworkNat(t *testing.T) {
iface, err := net.InterfaceByName("eth0")
if err != nil {
t.Skip("Test not running with `make test`. Interface eth0 not found: %s", err)
}
ifaceAddrs, err := iface.Addrs()
if err != nil || len(ifaceAddrs) == 0 {
t.Fatalf("Error retrieving addresses for eth0: %v (%d addresses)", err, len(ifaceAddrs))
}
ifaceIP, _, err := net.ParseCIDR(ifaceAddrs[0].String())
if err != nil {
t.Fatalf("Error retrieving the up for eth0: %s", err)
}
runCmd := exec.Command(dockerBinary, "run", "-dt", "-p", "8080:8080", "busybox", "nc", "-lp", "8080")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
cleanedContainerID := stripTrailingCharacters(out)
runCmd = exec.Command(dockerBinary, "run", "busybox", "sh", "-c", fmt.Sprintf("echo hello world | nc -w 30 %s 8080", ifaceIP))
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID)
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("failed to retrieve logs for container: %s, %v", out, err)
}
out = strings.Trim(out, "\r\n")
if expected := "hello world"; out != expected {
t.Fatalf("Unexpected output. Expected: %q, received: %q for iface %s", expected, out, ifaceIP)
}
killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
if out, _, err = runCommandWithOutput(killCmd); err != nil {
t.Fatalf("failed to kill container: %s, %v", out, err)
}
deleteAllContainers()
logDone("network - make sure nat works through the host")
}