moby/integration-cli/docker_cli_links_unix_test.go
Doug Davis 6751a49d14 Add better output for TestLinksEtcHostsContentMatch to help debug #14774
Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-07-20 16:46:51 -07:00

42 lines
1.2 KiB
Go

// +build !windows
package main
import (
"io/ioutil"
"os"
"strings"
"github.com/go-check/check"
)
func (s *DockerSuite) TestLinksEtcHostsRegularFile(c *check.C) {
out, _ := dockerCmd(c, "run", "--net=host", "busybox", "ls", "-la", "/etc/hosts")
if !strings.HasPrefix(out, "-") {
c.Errorf("/etc/hosts should be a regular file")
}
}
func (s *DockerSuite) TestLinksEtcHostsContentMatch(c *check.C) {
testRequires(c, SameHostDaemon)
out, _ := dockerCmd(c, "run", "--net=host", "busybox", "cat", "/etc/hosts")
hosts, err := ioutil.ReadFile("/etc/hosts")
if os.IsNotExist(err) {
c.Skip("/etc/hosts does not exist, skip this test")
}
if out != string(hosts) {
c.Errorf("container: %s\n\nhost:%s", out, hosts)
}
}
func (s *DockerSuite) TestLinksNetworkHostContainer(c *check.C) {
dockerCmd(c, "run", "-d", "--net", "host", "--name", "host_container", "busybox", "top")
out, _, err := dockerCmdWithError(c, "run", "--name", "should_fail", "--link", "host_container:tester", "busybox", "true")
if err == nil || !strings.Contains(out, "--net=host can't be used with links. This would result in undefined behavior") {
c.Fatalf("Running container linking to a container with --net host should have failed: %s", out)
}
}