mirror of
https://github.com/octoleo/restic.git
synced 2024-10-31 19:02:32 +00:00
249 lines
5.7 KiB
Go
249 lines
5.7 KiB
Go
package restic_test
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import (
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"os"
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"testing"
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"time"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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"github.com/restic/restic/repository"
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. "github.com/restic/restic/test"
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)
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func TestLock(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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lock, err := restic.NewLock(repo)
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OK(t, err)
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OK(t, lock.Unlock())
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}
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func TestDoubleUnlock(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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lock, err := restic.NewLock(repo)
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OK(t, err)
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OK(t, lock.Unlock())
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err = lock.Unlock()
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Assert(t, err != nil,
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"double unlock didn't return an error, got %v", err)
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}
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func TestMultipleLock(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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lock1, err := restic.NewLock(repo)
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OK(t, err)
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lock2, err := restic.NewLock(repo)
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OK(t, err)
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OK(t, lock1.Unlock())
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OK(t, lock2.Unlock())
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}
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func TestLockExclusive(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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elock, err := restic.NewExclusiveLock(repo)
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OK(t, err)
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OK(t, elock.Unlock())
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}
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func TestLockOnExclusiveLockedRepo(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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elock, err := restic.NewExclusiveLock(repo)
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OK(t, err)
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lock, err := restic.NewLock(repo)
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Assert(t, err != nil,
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"create normal lock with exclusively locked repo didn't return an error")
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Assert(t, restic.IsAlreadyLocked(err),
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"create normal lock with exclusively locked repo didn't return the correct error")
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OK(t, lock.Unlock())
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OK(t, elock.Unlock())
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}
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func TestExclusiveLockOnLockedRepo(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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elock, err := restic.NewLock(repo)
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OK(t, err)
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lock, err := restic.NewExclusiveLock(repo)
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Assert(t, err != nil,
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"create normal lock with exclusively locked repo didn't return an error")
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Assert(t, restic.IsAlreadyLocked(err),
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"create normal lock with exclusively locked repo didn't return the correct error")
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OK(t, lock.Unlock())
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OK(t, elock.Unlock())
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}
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func createFakeLock(repo *repository.Repository, t time.Time, pid int) (backend.ID, error) {
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hostname, err := os.Hostname()
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if err != nil {
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return backend.ID{}, err
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}
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newLock := &restic.Lock{Time: t, PID: pid, Hostname: hostname}
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return repo.SaveJSONUnpacked(backend.Lock, &newLock)
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}
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func removeLock(repo *repository.Repository, id backend.ID) error {
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return repo.Backend().Remove(backend.Lock, id.String())
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}
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var staleLockTests = []struct {
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timestamp time.Time
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stale bool
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staleOnOtherHost bool
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pid int
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}{
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{
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timestamp: time.Now(),
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stale: false,
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staleOnOtherHost: false,
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pid: os.Getpid(),
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},
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{
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timestamp: time.Now().Add(-time.Hour),
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stale: true,
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staleOnOtherHost: true,
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pid: os.Getpid(),
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},
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{
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timestamp: time.Now().Add(3 * time.Minute),
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stale: false,
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staleOnOtherHost: false,
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pid: os.Getpid(),
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},
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{
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timestamp: time.Now(),
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stale: true,
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staleOnOtherHost: false,
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pid: os.Getpid() + 500000,
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},
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}
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func TestLockStale(t *testing.T) {
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hostname, err := os.Hostname()
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OK(t, err)
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otherHostname := "other-" + hostname
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for i, test := range staleLockTests {
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lock := restic.Lock{
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Time: test.timestamp,
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PID: test.pid,
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Hostname: hostname,
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}
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Assert(t, lock.Stale() == test.stale,
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"TestStaleLock: test %d failed: expected stale: %v, got %v",
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i, test.stale, !test.stale)
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lock.Hostname = otherHostname
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Assert(t, lock.Stale() == test.staleOnOtherHost,
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"TestStaleLock: test %d failed: expected staleOnOtherHost: %v, got %v",
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i, test.staleOnOtherHost, !test.staleOnOtherHost)
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}
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}
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func lockExists(repo *repository.Repository, t testing.TB, id backend.ID) bool {
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exists, err := repo.Backend().Test(backend.Lock, id.String())
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OK(t, err)
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return exists
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}
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func TestLockWithStaleLock(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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id1, err := createFakeLock(repo, time.Now().Add(-time.Hour), os.Getpid())
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OK(t, err)
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id2, err := createFakeLock(repo, time.Now().Add(-time.Minute), os.Getpid())
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OK(t, err)
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id3, err := createFakeLock(repo, time.Now().Add(-time.Minute), os.Getpid()+500000)
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OK(t, err)
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OK(t, restic.RemoveStaleLocks(repo))
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Assert(t, lockExists(repo, t, id1) == false,
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"stale lock still exists after RemoveStaleLocks was called")
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Assert(t, lockExists(repo, t, id2) == true,
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"non-stale lock was removed by RemoveStaleLocks")
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Assert(t, lockExists(repo, t, id3) == false,
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"stale lock still exists after RemoveStaleLocks was called")
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OK(t, removeLock(repo, id2))
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}
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func TestRemoveAllLocks(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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id1, err := createFakeLock(repo, time.Now().Add(-time.Hour), os.Getpid())
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OK(t, err)
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id2, err := createFakeLock(repo, time.Now().Add(-time.Minute), os.Getpid())
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OK(t, err)
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id3, err := createFakeLock(repo, time.Now().Add(-time.Minute), os.Getpid()+500000)
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OK(t, err)
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OK(t, restic.RemoveAllLocks(repo))
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Assert(t, lockExists(repo, t, id1) == false,
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"lock still exists after RemoveAllLocks was called")
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Assert(t, lockExists(repo, t, id2) == false,
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"lock still exists after RemoveAllLocks was called")
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Assert(t, lockExists(repo, t, id3) == false,
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"lock still exists after RemoveAllLocks was called")
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}
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func TestLockRefresh(t *testing.T) {
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repo := SetupRepo()
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defer TeardownRepo(repo)
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lock, err := restic.NewLock(repo)
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OK(t, err)
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var lockID *backend.ID
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for id := range repo.List(backend.Lock, nil) {
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if lockID != nil {
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t.Error("more than one lock found")
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}
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lockID = &id
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}
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OK(t, lock.Refresh())
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var lockID2 *backend.ID
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for id := range repo.List(backend.Lock, nil) {
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if lockID2 != nil {
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t.Error("more than one lock found")
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}
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lockID2 = &id
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}
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Assert(t, !lockID.Equal(*lockID2),
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"expected a new ID after lock refresh, got the same")
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OK(t, lock.Unlock())
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}
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