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restic/backend/generic_test.go
2015-04-09 21:15:48 +02:00

70 lines
1.7 KiB
Go

package backend_test
import (
"testing"
"github.com/restic/restic/backend"
. "github.com/restic/restic/test"
)
func str2id(s string) backend.ID {
id, err := backend.ParseID(s)
if err != nil {
panic(err)
}
return id
}
type mockBackend struct {
list func(backend.Type, <-chan struct{}) <-chan string
}
func (m mockBackend) List(t backend.Type, done <-chan struct{}) <-chan string {
return m.list(t, done)
}
var samples = backend.IDs{
str2id("20bdc1402a6fc9b633aaffffffffffffffffffffffffffffffffffffffffffff"),
str2id("20bdc1402a6fc9b633ccd578c4a92d0f4ef1a457fa2e16c596bc73fb409d6cc0"),
str2id("20bdc1402a6fc9b633ffffffffffffffffffffffffffffffffffffffffffffff"),
str2id("20ff988befa5fc40350f00d531a767606efefe242c837aaccb80673f286be53d"),
str2id("326cb59dfe802304f96ee9b5b9af93bdee73a30f53981e5ec579aedb6f1d0f07"),
str2id("86b60b9594d1d429c4aa98fa9562082cabf53b98c7dc083abe5dae31074dd15a"),
str2id("96c8dbe225079e624b5ce509f5bd817d1453cd0a85d30d536d01b64a8669aeae"),
str2id("fa31d65b87affcd167b119e9d3d2a27b8236ca4836cb077ed3e96fcbe209b792"),
}
func TestPrefixLength(t *testing.T) {
list := samples
m := mockBackend{}
m.list = func(t backend.Type, done <-chan struct{}) <-chan string {
ch := make(chan string)
go func() {
defer close(ch)
for _, id := range list {
select {
case ch <- id.String():
case <-done:
return
}
}
}()
return ch
}
l, err := backend.PrefixLength(m, backend.Snapshot)
OK(t, err)
Equals(t, 19, l)
list = samples[:3]
l, err = backend.PrefixLength(m, backend.Snapshot)
OK(t, err)
Equals(t, 19, l)
list = samples[3:]
l, err = backend.PrefixLength(m, backend.Snapshot)
OK(t, err)
Equals(t, 8, l)
}