| 1 | package control |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "strconv" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | "time" |
| 11 | |
| 12 | "reasonix/internal/agent" |
| 13 | "reasonix/internal/store" |
| 14 | ) |
| 15 | |
| 16 | func TestSessionLeaseKeeperRebindMovesLease(t *testing.T) { |
| 17 | dir := t.TempDir() |
| 18 | a := filepath.Join(dir, "a.jsonl") |
| 19 | b := filepath.Join(dir, "b.jsonl") |
| 20 | |
| 21 | k := NewSessionLeaseKeeper() |
| 22 | defer k.Release() |
| 23 | |
| 24 | if err := k.Rebind(a); err != nil { |
| 25 | t.Fatalf("Rebind(a): %v", err) |
| 26 | } |
| 27 | if got, want := k.HeldPath(), agent.CanonicalSessionPath(a); got != want { |
| 28 | t.Fatalf("HeldPath = %q, want %q", got, want) |
| 29 | } |
| 30 | if _, err := os.Stat(store.SessionLeaseInfo(agent.CanonicalSessionPath(a))); err != nil { |
| 31 | t.Fatalf("lease info for a missing: %v", err) |
| 32 | } |
| 33 | // a is held: an outside acquire must fail. |
| 34 | if _, err := agent.TryAcquireSessionLease(a); !errors.Is(err, agent.ErrSessionLeaseHeld) { |
| 35 | t.Fatalf("TryAcquireSessionLease(a) while kept = %v, want ErrSessionLeaseHeld", err) |
| 36 | } |
| 37 | |
| 38 | if err := k.Rebind(b); err != nil { |
| 39 | t.Fatalf("Rebind(b): %v", err) |
| 40 | } |
| 41 | if got, want := k.HeldPath(), agent.CanonicalSessionPath(b); got != want { |
| 42 | t.Fatalf("HeldPath after rebind = %q, want %q", got, want) |
| 43 | } |
| 44 | // The old lease is released: a is acquirable again and its info is gone. |
| 45 | if _, err := os.Stat(store.SessionLeaseInfo(agent.CanonicalSessionPath(a))); !os.IsNotExist(err) { |
| 46 | t.Fatalf("lease info for a after rebind stat err = %v, want not exist", err) |
| 47 | } |
| 48 | lease, err := agent.TryAcquireSessionLease(a) |
| 49 | if err != nil { |
| 50 | t.Fatalf("TryAcquireSessionLease(a) after rebind: %v", err) |
| 51 | } |
| 52 | lease.Release() |
| 53 | } |
| 54 | |
| 55 | func TestSessionLeaseKeeperRebindSamePathIsNoop(t *testing.T) { |
| 56 | dir := t.TempDir() |
| 57 | a := filepath.Join(dir, "a.jsonl") |
| 58 | |
| 59 | k := NewSessionLeaseKeeper() |
| 60 | defer k.Release() |
| 61 | if err := k.Rebind(a); err != nil { |
| 62 | t.Fatalf("Rebind(a): %v", err) |
| 63 | } |
| 64 | // Same canonical path again must not trip over the keeper's own lease. |
| 65 | if err := k.Rebind(a); err != nil { |
| 66 | t.Fatalf("Rebind(a) again: %v", err) |
| 67 | } |
| 68 | if got, want := k.HeldPath(), agent.CanonicalSessionPath(a); got != want { |
| 69 | t.Fatalf("HeldPath = %q, want %q", got, want) |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | func TestSessionLeaseKeeperRefusesHeldPathAndKeepsCurrent(t *testing.T) { |
| 74 | dir := t.TempDir() |
| 75 | a := filepath.Join(dir, "a.jsonl") |
| 76 | b := filepath.Join(dir, "b.jsonl") |
| 77 | |
| 78 | holder, err := agent.TryAcquireSessionLease(b) |
| 79 | if err != nil { |
| 80 | t.Fatalf("holder acquire: %v", err) |
| 81 | } |
| 82 | defer holder.Release() |
| 83 | |
| 84 | k := NewSessionLeaseKeeper() |
| 85 | defer k.Release() |
| 86 | if err := k.Rebind(a); err != nil { |
| 87 | t.Fatalf("Rebind(a): %v", err) |
| 88 | } |
| 89 | err = k.Rebind(b) |
| 90 | if !errors.Is(err, agent.ErrSessionLeaseHeld) { |
| 91 | t.Fatalf("Rebind(held b) = %v, want ErrSessionLeaseHeld", err) |
| 92 | } |
| 93 | // Failure leaves the keeper on its previous session. |
| 94 | if got, want := k.HeldPath(), agent.CanonicalSessionPath(a); got != want { |
| 95 | t.Fatalf("HeldPath after refused rebind = %q, want %q", got, want) |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | func TestSessionLeaseKeeperEmptyPathReleases(t *testing.T) { |
| 100 | dir := t.TempDir() |
| 101 | a := filepath.Join(dir, "a.jsonl") |
| 102 | |
| 103 | k := NewSessionLeaseKeeper() |
| 104 | defer k.Release() |
| 105 | if err := k.Rebind(a); err != nil { |
| 106 | t.Fatalf("Rebind(a): %v", err) |
| 107 | } |
| 108 | if err := k.Rebind(""); err != nil { |
| 109 | t.Fatalf("Rebind(empty): %v", err) |
| 110 | } |
| 111 | if got := k.HeldPath(); got != "" { |
| 112 | t.Fatalf("HeldPath after empty rebind = %q, want empty", got) |
| 113 | } |
| 114 | lease, err := agent.TryAcquireSessionLease(a) |
| 115 | if err != nil { |
| 116 | t.Fatalf("TryAcquireSessionLease(a) after empty rebind: %v", err) |
| 117 | } |
| 118 | lease.Release() |
| 119 | } |
| 120 | |
| 121 | func TestSessionLeaseKeeperReleaseRemovesLeaseInfo(t *testing.T) { |
| 122 | dir := t.TempDir() |
| 123 | a := filepath.Join(dir, "a.jsonl") |
| 124 | |
| 125 | k := NewSessionLeaseKeeper() |
| 126 | if err := k.Rebind(a); err != nil { |
| 127 | t.Fatalf("Rebind(a): %v", err) |
| 128 | } |
| 129 | k.Release() |
| 130 | k.Release() // idempotent |
| 131 | if _, err := os.Stat(store.SessionLeaseInfo(agent.CanonicalSessionPath(a))); !os.IsNotExist(err) { |
| 132 | t.Fatalf("lease info after Release stat err = %v, want not exist", err) |
| 133 | } |
| 134 | if got := k.HeldPath(); got != "" { |
| 135 | t.Fatalf("HeldPath after Release = %q, want empty", got) |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | func TestSessionInUseMessageNamesHolder(t *testing.T) { |
| 140 | acquired := time.Date(2026, 7, 6, 3, 4, 0, 0, time.UTC) |
| 141 | err := &agent.SessionLeaseError{ |
| 142 | Path: "/tmp/x.jsonl", |
| 143 | Info: &agent.SessionLeaseInfo{ |
| 144 | SessionPath: "/tmp/x.jsonl", |
| 145 | WriterID: "writer-nonce-should-not-appear", |
| 146 | PID: 12345, |
| 147 | Hostname: "devbox", |
| 148 | AcquiredAt: acquired, |
| 149 | }, |
| 150 | } |
| 151 | msg := SessionInUseMessage(err) |
| 152 | if !strings.Contains(msg, "another Reasonix process") { |
| 153 | t.Fatalf("message %q missing holder wording", msg) |
| 154 | } |
| 155 | if !strings.Contains(msg, "pid 12345") || !strings.Contains(msg, "on devbox") { |
| 156 | t.Fatalf("message %q missing pid/host", msg) |
| 157 | } |
| 158 | if !strings.Contains(msg, "since "+acquired.Local().Format("15:04")) { |
| 159 | t.Fatalf("message %q missing local acquire time", msg) |
| 160 | } |
| 161 | if strings.Contains(msg, "writer-nonce-should-not-appear") { |
| 162 | t.Fatalf("message %q leaks the writer id", msg) |
| 163 | } |
| 164 | if strings.Contains(msg, "/tmp/x.jsonl") { |
| 165 | t.Fatalf("message %q leaks the session path", msg) |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | func TestSessionInUseMessageFallsBackWithoutInfo(t *testing.T) { |
| 170 | for name, err := range map[string]error{ |
| 171 | "nil info": &agent.SessionLeaseError{Path: "/tmp/x.jsonl"}, |
| 172 | "plain held": agent.ErrSessionLeaseHeld, |
| 173 | "zero pid": &agent.SessionLeaseError{Info: &agent.SessionLeaseInfo{PID: 0}}, |
| 174 | } { |
| 175 | msg := SessionInUseMessage(err) |
| 176 | if msg != "this session is in use by another Reasonix window or process" { |
| 177 | t.Fatalf("%s: message = %q, want generic fallback", name, msg) |
| 178 | } |
| 179 | if strings.Contains(msg, "pid "+strconv.Itoa(os.Getpid())) { |
| 180 | t.Fatalf("%s: fallback should not invent a pid: %q", name, msg) |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 |