coredns/plugin/auto/walk_test.go

81 lines
1.6 KiB
Go

package auto
import (
"os"
"path/filepath"
"regexp"
"testing"
)
var dbFiles = []string{"db.example.org", "aa.example.org"}
const zoneContent = `; testzone
@ IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082534 7200 3600 1209600 3600
NS a.iana-servers.net.
NS b.iana-servers.net.
www IN A 127.0.0.1
`
func TestWalk(t *testing.T) {
tempdir, err := createFiles(t)
if err != nil {
t.Fatal(err)
}
ldr := loader{
directory: tempdir,
re: regexp.MustCompile(`db\.(.*)`),
template: `${1}`,
}
a := Auto{
loader: ldr,
Zones: &Zones{},
}
a.Walk()
// db.example.org and db.example.com should be here (created in createFiles)
for _, name := range []string{"example.com.", "example.org."} {
if _, ok := a.Zones.Z[name]; !ok {
t.Errorf("%s should have been added", name)
}
}
}
func TestWalkNonExistent(t *testing.T) {
nonExistingDir := "highly_unlikely_to_exist_dir"
ldr := loader{
directory: nonExistingDir,
re: regexp.MustCompile(`db\.(.*)`),
template: `${1}`,
}
a := Auto{
loader: ldr,
Zones: &Zones{},
}
a.Walk()
}
func createFiles(t *testing.T) (string, error) {
dir := t.TempDir()
for _, name := range dbFiles {
if err := os.WriteFile(filepath.Join(dir, name), []byte(zoneContent), 0644); err != nil {
return dir, err
}
}
// symlinks
if err := os.Symlink(filepath.Join(dir, "db.example.org"), filepath.Join(dir, "db.example.com")); err != nil {
return dir, err
}
if err := os.Symlink(filepath.Join(dir, "db.example.org"), filepath.Join(dir, "aa.example.com")); err != nil {
return dir, err
}
return dir, nil
}