| 1 | package legacycleanup |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "testing" |
| 9 | |
| 10 | "reasonix/internal/filelock" |
| 11 | ) |
| 12 | |
| 13 | func TestStoreFreezesInitialCandidateSetAndRoundTripsUpdates(t *testing.T) { |
| 14 | path := filepath.Join(t.TempDir(), "cleanup.json") |
| 15 | store := New(path) |
| 16 | initial := State{BatchID: "batch", Items: map[string]Candidate{ |
| 17 | "session:a": {ID: "session:a", Kind: "session", SessionID: "a", OperationID: "cleanup-a", Phase: "registered"}, |
| 18 | }} |
| 19 | state, created, err := store.Initialize(context.Background(), initial) |
| 20 | if err != nil || !created || len(state.Items) != 1 { |
| 21 | t.Fatalf("Initialize = (%+v, %v, %v)", state, created, err) |
| 22 | } |
| 23 | second := State{BatchID: "other", Items: map[string]Candidate{ |
| 24 | "session:b": {ID: "session:b", Kind: "session", SessionID: "b", OperationID: "cleanup-b", Phase: "registered"}, |
| 25 | }} |
| 26 | state, created, err = store.Initialize(context.Background(), second) |
| 27 | if err != nil || created || state.BatchID != "batch" || state.Items["session:b"].ID != "" { |
| 28 | t.Fatalf("second Initialize changed frozen set: (%+v, %v, %v)", state, created, err) |
| 29 | } |
| 30 | state, err = store.Update(context.Background(), func(next *State) error { |
| 31 | item := next.Items["session:a"] |
| 32 | item.Phase, item.Classification = "archived", "empty" |
| 33 | next.Items[item.ID] = item |
| 34 | return nil |
| 35 | }) |
| 36 | if err != nil || state.Items["session:a"].Phase != "archived" { |
| 37 | t.Fatalf("Update = (%+v, %v)", state, err) |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func TestStoreRejectsFutureAndCorruptStateWithoutReplacingIt(t *testing.T) { |
| 42 | for _, fixture := range []string{`{"version":2,"batchId":"future"}`, `{not-json`} { |
| 43 | path := filepath.Join(t.TempDir(), "cleanup.json") |
| 44 | if err := os.WriteFile(path, []byte(fixture), 0o600); err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | store := New(path) |
| 48 | _, _, err := store.Initialize(context.Background(), State{BatchID: "new", Items: map[string]Candidate{}}) |
| 49 | if !errors.Is(err, ErrUnsupportedVersion) && !errors.Is(err, ErrCorruptState) { |
| 50 | t.Fatalf("Initialize error = %v", err) |
| 51 | } |
| 52 | body, readErr := os.ReadFile(path) |
| 53 | if readErr != nil || string(body) != fixture { |
| 54 | t.Fatalf("unknown state was modified: %q, %v", body, readErr) |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | func TestStoreLoadFromFreshParentRemainsUninitialized(t *testing.T) { |
| 60 | path := filepath.Join(t.TempDir(), "missing", "desktop", "cleanup.json") |
| 61 | store := New(path) |
| 62 | if _, err := store.Load(context.Background()); !errors.Is(err, ErrNotInitialized) { |
| 63 | t.Fatalf("Load error = %v, want ErrNotInitialized", err) |
| 64 | } |
| 65 | if _, err := os.Stat(path); !os.IsNotExist(err) { |
| 66 | t.Fatalf("fresh read created state file: %v", err) |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | func TestStoreWorkerLockIsExclusiveAcrossInstances(t *testing.T) { |
| 71 | path := filepath.Join(t.TempDir(), "cleanup.json") |
| 72 | first := New(path) |
| 73 | if _, _, err := first.Initialize(context.Background(), State{BatchID: "batch", Items: map[string]Candidate{}}); err != nil { |
| 74 | t.Fatal(err) |
| 75 | } |
| 76 | release, err := first.TryAcquireWorker() |
| 77 | if err != nil { |
| 78 | t.Fatal(err) |
| 79 | } |
| 80 | defer release() |
| 81 | if _, err := New(path).TryAcquireWorker(); !errors.Is(err, filelock.ErrHeld) { |
| 82 | t.Fatalf("second worker lock error = %v, want ErrHeld", err) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | func TestStoreTransitionSerializesOtherInstances(t *testing.T) { |
| 87 | path := filepath.Join(t.TempDir(), "cleanup.json") |
| 88 | first, second := New(path), New(path) |
| 89 | if _, _, err := first.Initialize(t.Context(), State{BatchID: "batch", Items: map[string]Candidate{ |
| 90 | "topic:a": {ID: "topic:a", Kind: "topic", TopicID: "a", OperationID: "cleanup-a", Phase: "registered"}, |
| 91 | }}); err != nil { |
| 92 | t.Fatal(err) |
| 93 | } |
| 94 | effectStarted := make(chan struct{}) |
| 95 | releaseEffect := make(chan struct{}) |
| 96 | transitionDone := make(chan error, 1) |
| 97 | go func() { |
| 98 | _, err := first.Transition(context.Background(), func(state *State) error { |
| 99 | item := state.Items["topic:a"] |
| 100 | item.Phase = "archive_pending" |
| 101 | state.Items[item.ID] = item |
| 102 | return nil |
| 103 | }, func() error { |
| 104 | close(effectStarted) |
| 105 | <-releaseEffect |
| 106 | return nil |
| 107 | }, func(state *State, _ error) error { |
| 108 | item := state.Items["topic:a"] |
| 109 | item.Phase = "archived" |
| 110 | state.Items[item.ID] = item |
| 111 | return nil |
| 112 | }) |
| 113 | transitionDone <- err |
| 114 | }() |
| 115 | <-effectStarted |
| 116 | if release, err := filelock.TryAcquire(path + ".lock"); !errors.Is(err, filelock.ErrHeld) { |
| 117 | if release != nil { |
| 118 | release() |
| 119 | } |
| 120 | t.Fatalf("transition did not hold cross-process state lock: %v", err) |
| 121 | } |
| 122 | close(releaseEffect) |
| 123 | if err := <-transitionDone; err != nil { |
| 124 | t.Fatal(err) |
| 125 | } |
| 126 | if _, err := second.Update(t.Context(), func(state *State) error { |
| 127 | item := state.Items["topic:a"] |
| 128 | item.Restored = true |
| 129 | state.Items[item.ID] = item |
| 130 | return nil |
| 131 | }); err != nil { |
| 132 | t.Fatal(err) |
| 133 | } |
| 134 | state, err := first.Load(t.Context()) |
| 135 | if err != nil { |
| 136 | t.Fatal(err) |
| 137 | } |
| 138 | if state.Items["topic:a"].Phase != "archived" || !state.Items["topic:a"].Restored { |
| 139 | t.Fatalf("serialized state = %+v", state.Items["topic:a"]) |
| 140 | } |
| 141 | } |
| 142 |