github.com/advanderveer/restic@v0.8.1-0.20171209104529-42a8c19aaea6/internal/restic/backend_find_test.go (about) 1 package restic 2 3 import ( 4 "context" 5 "testing" 6 ) 7 8 type mockBackend struct { 9 list func(context.Context, FileType) <-chan string 10 } 11 12 func (m mockBackend) List(ctx context.Context, t FileType) <-chan string { 13 return m.list(ctx, t) 14 } 15 16 var samples = IDs{ 17 TestParseID("20bdc1402a6fc9b633aaffffffffffffffffffffffffffffffffffffffffffff"), 18 TestParseID("20bdc1402a6fc9b633ccd578c4a92d0f4ef1a457fa2e16c596bc73fb409d6cc0"), 19 TestParseID("20bdc1402a6fc9b633ffffffffffffffffffffffffffffffffffffffffffffff"), 20 TestParseID("20ff988befa5fc40350f00d531a767606efefe242c837aaccb80673f286be53d"), 21 TestParseID("326cb59dfe802304f96ee9b5b9af93bdee73a30f53981e5ec579aedb6f1d0f07"), 22 TestParseID("86b60b9594d1d429c4aa98fa9562082cabf53b98c7dc083abe5dae31074dd15a"), 23 TestParseID("96c8dbe225079e624b5ce509f5bd817d1453cd0a85d30d536d01b64a8669aeae"), 24 TestParseID("fa31d65b87affcd167b119e9d3d2a27b8236ca4836cb077ed3e96fcbe209b792"), 25 } 26 27 func TestPrefixLength(t *testing.T) { 28 list := samples 29 30 m := mockBackend{} 31 m.list = func(ctx context.Context, t FileType) <-chan string { 32 ch := make(chan string) 33 go func() { 34 defer close(ch) 35 for _, id := range list { 36 select { 37 case ch <- id.String(): 38 case <-ctx.Done(): 39 return 40 } 41 } 42 }() 43 return ch 44 } 45 46 l, err := PrefixLength(m, SnapshotFile) 47 if err != nil { 48 t.Error(err) 49 } 50 if l != 19 { 51 t.Errorf("wrong prefix length returned, want %d, got %d", 19, l) 52 } 53 54 list = samples[:3] 55 l, err = PrefixLength(m, SnapshotFile) 56 if err != nil { 57 t.Error(err) 58 } 59 if l != 19 { 60 t.Errorf("wrong prefix length returned, want %d, got %d", 19, l) 61 } 62 63 list = samples[3:] 64 l, err = PrefixLength(m, SnapshotFile) 65 if err != nil { 66 t.Error(err) 67 } 68 if l != 8 { 69 t.Errorf("wrong prefix length returned, want %d, got %d", 8, l) 70 } 71 }