| 1 | package activator |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | ) |
| 9 | |
| 10 | func TestInstallMarkerRoundTrips(t *testing.T) { |
| 11 | dir := t.TempDir() |
| 12 | if _, found, err := ReadInstallMarker(dir, "shop.test"); found || err != nil { |
| 13 | t.Fatalf("before any write: found=%v err=%v", found, err) |
| 14 | } |
| 15 | m := InstallMarker{Incarnation: "inc1", Generation: "g-op7", Stamp: 41, DBMarker: "dbm", FilesSeq: 1882} |
| 16 | if err := WriteInstallMarker(dir, "shop.test", m); err != nil { |
| 17 | t.Fatal(err) |
| 18 | } |
| 19 | got, found, err := ReadInstallMarker(dir, "shop.test") |
| 20 | if err != nil || !found || got != m { |
| 21 | t.Fatalf("got %+v found=%v err=%v", got, found, err) |
| 22 | } |
| 23 | m.Stamp = 57 |
| 24 | if err := WriteInstallMarker(dir, "shop.test", m); err != nil { |
| 25 | t.Fatal(err) |
| 26 | } |
| 27 | if got, _, _ := ReadInstallMarker(dir, "shop.test"); got.Stamp != 57 { |
| 28 | t.Fatalf("a second write did not replace the first: %+v", got) |
| 29 | } |
| 30 | if err := RemoveInstallMarker(dir, "shop.test"); err != nil { |
| 31 | t.Fatal(err) |
| 32 | } |
| 33 | if err := RemoveInstallMarker(dir, "shop.test"); err != nil { |
| 34 | t.Fatalf("removing an absent marker: %v", err) |
| 35 | } |
| 36 | if _, found, _ := ReadInstallMarker(dir, "shop.test"); found { |
| 37 | t.Fatal("marker still there") |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func TestInstallMarkerLeavesNoTemporaryFile(t *testing.T) { |
| 42 | dir := t.TempDir() |
| 43 | if err := WriteInstallMarker(dir, "shop.test", InstallMarker{Stamp: 1}); err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | entries, err := os.ReadDir(filepath.Join(dir, ".installed")) |
| 47 | if err != nil { |
| 48 | t.Fatal(err) |
| 49 | } |
| 50 | if len(entries) != 1 { |
| 51 | t.Fatalf("%d files in .installed, want 1", len(entries)) |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | func TestInstallMarkerForALongHostHasAShortFileName(t *testing.T) { |
| 56 | host := strings.Repeat("a", 200) + ".example.com" |
| 57 | p := InstallMarkerPath(t.TempDir(), host) |
| 58 | if n := len(filepath.Base(p)); n > 64 { |
| 59 | t.Fatalf("file name is %d bytes", n) |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | func TestADamagedMarkerIsAnErrorNotAbsence(t *testing.T) { |
| 64 | dir := t.TempDir() |
| 65 | if err := WriteInstallMarker(dir, "shop.test", InstallMarker{Stamp: 1}); err != nil { |
| 66 | t.Fatal(err) |
| 67 | } |
| 68 | if err := os.WriteFile(InstallMarkerPath(dir, "shop.test"), []byte("{half"), 0o600); err != nil { |
| 69 | t.Fatal(err) |
| 70 | } |
| 71 | if _, found, err := ReadInstallMarker(dir, "shop.test"); err == nil || found { |
| 72 | t.Fatalf("found=%v err=%v: a damaged marker must be an error", found, err) |
| 73 | } |
| 74 | } |
| 75 | |
amadan