mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
a297d6ab8c
Since RemoveLocalDns patch will remove all localhost entries
from resolv.conf we no longer need anything more then
!bytes.Contains(resolvConf, []byte("nameserver")
To check for no nameserver entry in dns config.
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
package utils
|
|
|
|
import (
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
func TestReplaceAndAppendEnvVars(t *testing.T) {
|
|
var (
|
|
d = []string{"HOME=/"}
|
|
o = []string{"HOME=/root", "TERM=xterm"}
|
|
)
|
|
|
|
env := ReplaceOrAppendEnvValues(d, o)
|
|
if len(env) != 2 {
|
|
t.Fatalf("expected len of 2 got %d", len(env))
|
|
}
|
|
if env[0] != "HOME=/root" {
|
|
t.Fatalf("expected HOME=/root got '%s'", env[0])
|
|
}
|
|
if env[1] != "TERM=xterm" {
|
|
t.Fatalf("expected TERM=xterm got '%s'", env[1])
|
|
}
|
|
}
|
|
|
|
// Reading a symlink to a directory must return the directory
|
|
func TestReadSymlinkedDirectoryExistingDirectory(t *testing.T) {
|
|
var err error
|
|
if err = os.Mkdir("/tmp/testReadSymlinkToExistingDirectory", 0777); err != nil {
|
|
t.Errorf("failed to create directory: %s", err)
|
|
}
|
|
|
|
if err = os.Symlink("/tmp/testReadSymlinkToExistingDirectory", "/tmp/dirLinkTest"); err != nil {
|
|
t.Errorf("failed to create symlink: %s", err)
|
|
}
|
|
|
|
var path string
|
|
if path, err = ReadSymlinkedDirectory("/tmp/dirLinkTest"); err != nil {
|
|
t.Fatalf("failed to read symlink to directory: %s", err)
|
|
}
|
|
|
|
if path != "/tmp/testReadSymlinkToExistingDirectory" {
|
|
t.Fatalf("symlink returned unexpected directory: %s", path)
|
|
}
|
|
|
|
if err = os.Remove("/tmp/testReadSymlinkToExistingDirectory"); err != nil {
|
|
t.Errorf("failed to remove temporary directory: %s", err)
|
|
}
|
|
|
|
if err = os.Remove("/tmp/dirLinkTest"); err != nil {
|
|
t.Errorf("failed to remove symlink: %s", err)
|
|
}
|
|
}
|
|
|
|
// Reading a non-existing symlink must fail
|
|
func TestReadSymlinkedDirectoryNonExistingSymlink(t *testing.T) {
|
|
var path string
|
|
var err error
|
|
if path, err = ReadSymlinkedDirectory("/tmp/test/foo/Non/ExistingPath"); err == nil {
|
|
t.Fatalf("error expected for non-existing symlink")
|
|
}
|
|
|
|
if path != "" {
|
|
t.Fatalf("expected empty path, but '%s' was returned", path)
|
|
}
|
|
}
|
|
|
|
// Reading a symlink to a file must fail
|
|
func TestReadSymlinkedDirectoryToFile(t *testing.T) {
|
|
var err error
|
|
var file *os.File
|
|
|
|
if file, err = os.Create("/tmp/testReadSymlinkToFile"); err != nil {
|
|
t.Fatalf("failed to create file: %s", err)
|
|
}
|
|
|
|
file.Close()
|
|
|
|
if err = os.Symlink("/tmp/testReadSymlinkToFile", "/tmp/fileLinkTest"); err != nil {
|
|
t.Errorf("failed to create symlink: %s", err)
|
|
}
|
|
|
|
var path string
|
|
if path, err = ReadSymlinkedDirectory("/tmp/fileLinkTest"); err == nil {
|
|
t.Fatalf("ReadSymlinkedDirectory on a symlink to a file should've failed")
|
|
}
|
|
|
|
if path != "" {
|
|
t.Fatalf("path should've been empty: %s", path)
|
|
}
|
|
|
|
if err = os.Remove("/tmp/testReadSymlinkToFile"); err != nil {
|
|
t.Errorf("failed to remove file: %s", err)
|
|
}
|
|
|
|
if err = os.Remove("/tmp/fileLinkTest"); err != nil {
|
|
t.Errorf("failed to remove symlink: %s", err)
|
|
}
|
|
}
|