moby--moby/integration-cli/docker_cli_links_test.go

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package main
import (
"fmt"
"os/exec"
"testing"
)
func TestPingUnlinkedContainers(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "--rm", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
exitCode, err := runCommand(runCmd)
if exitCode == 0 {
t.Fatal("run ping did not fail")
} else if exitCode != 1 {
errorOut(err, t, fmt.Sprintf("run ping failed with errors: %v", err))
}
}
func TestPingLinkedContainers(t *testing.T) {
cmd := exec.Command(dockerBinary, "run", "-d", "--name", "container1", "busybox", "sleep", "10")
out, _, err := runCommandWithOutput(cmd)
errorOut(err, t, fmt.Sprintf("run container1 failed with errors: %v", err))
idA := stripTrailingCharacters(out)
cmd = exec.Command(dockerBinary, "run", "-d", "--name", "container2", "busybox", "sleep", "10")
out, _, err = runCommandWithOutput(cmd)
errorOut(err, t, fmt.Sprintf("run container2 failed with errors: %v", err))
idB := stripTrailingCharacters(out)
cmd = exec.Command(dockerBinary, "run", "--rm", "--link", "container1:alias1", "--link", "container2:alias2", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
out, _, err = runCommandWithOutput(cmd)
fmt.Printf("OUT: %s", out)
errorOut(err, t, fmt.Sprintf("run ping failed with errors: %v", err))
cmd = exec.Command(dockerBinary, "kill", idA)
_, err = runCommand(cmd)
errorOut(err, t, fmt.Sprintf("failed to kill container1: %v", err))
cmd = exec.Command(dockerBinary, "kill", idB)
_, err = runCommand(cmd)
errorOut(err, t, fmt.Sprintf("failed to kill container2: %v", err))
deleteAllContainers()
}