coredns/plugin/auto/watcher_test.go

92 lines
1.9 KiB
Go

package auto
import (
"os"
"path/filepath"
"regexp"
"testing"
)
func TestWatcher(t *testing.T) {
tempdir, err := createFiles(t)
if err != nil {
t.Fatal(err)
}
ldr := loader{
directory: tempdir,
re: regexp.MustCompile(`db\.(.*)`),
template: `${1}`,
}
a := Auto{
loader: ldr,
Zones: &Zones{},
}
a.Walk()
// example.org and example.com should exist, we have 3 apex rrs and 1 "real" record. All() returns the non-apex ones.
if x := len(a.Zones.Z["example.org."].All()); x != 1 {
t.Fatalf("Expected 1 RRs, got %d", x)
}
if x := len(a.Zones.Z["example.com."].All()); x != 1 {
t.Fatalf("Expected 1 RRs, got %d", x)
}
// Now remove one file, rescan and see if it's gone.
if err := os.Remove(filepath.Join(tempdir, "db.example.com")); err != nil {
t.Fatal(err)
}
a.Walk()
if _, ok := a.Zones.Z["example.com."]; ok {
t.Errorf("Expected %q to be gone.", "example.com.")
}
if _, ok := a.Zones.Z["example.org."]; !ok {
t.Errorf("Expected %q to still be there.", "example.org.")
}
}
func TestSymlinks(t *testing.T) {
tempdir, err := createFiles(t)
if err != nil {
t.Fatal(err)
}
ldr := loader{
directory: tempdir,
re: regexp.MustCompile(`db\.(.*)`),
template: `${1}`,
}
a := Auto{
loader: ldr,
Zones: &Zones{},
}
a.Walk()
// Now create a duplicate file in a subdirectory and repoint the symlink
if err := os.Remove(filepath.Join(tempdir, "db.example.com")); err != nil {
t.Fatal(err)
}
dataDir := filepath.Join(tempdir, "..data")
if err = os.Mkdir(dataDir, 0755); err != nil {
t.Fatal(err)
}
newFile := filepath.Join(dataDir, "db.example.com")
if err = os.Symlink(filepath.Join(tempdir, "db.example.org"), newFile); err != nil {
t.Fatal(err)
}
a.Walk()
if storedZone, ok := a.Zones.Z["example.com."]; ok {
storedFile := storedZone.File()
if storedFile != newFile {
t.Errorf("Expected %q to reflect new path %q", storedFile, newFile)
}
}
}