| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "reasonix/internal/provider" |
| 10 | ) |
| 11 | |
| 12 | func TestStableRecoveryPathPeelsNestedNames(t *testing.T) { |
| 13 | dir := t.TempDir() |
| 14 | root := filepath.Join(dir, "chat.jsonl") |
| 15 | nested := filepath.Join(dir, "chat-recovery-aaaaaaaaaaaaaaaa-recovery-bbbbbbbbbbbbbbbb.jsonl") |
| 16 | gen := "gen-7" |
| 17 | if got, want := stableRecoverySessionPath(nested, gen), stableRecoverySessionPath(root, gen); got != want { |
| 18 | t.Fatalf("nested path %q, want %q", got, want) |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | func TestSaveRecoveryBranchStampsStableRootDepth(t *testing.T) { |
| 23 | dir := t.TempDir() |
| 24 | |
| 25 | path, stale := divergedSessionPair(t, dir, "session.jsonl") |
| 26 | info, err := stale.SaveRecoveryBranch(RecoveryBranchOptions{OriginalPath: path}) |
| 27 | if err != nil { |
| 28 | t.Fatalf("SaveRecoveryBranch: %v", err) |
| 29 | } |
| 30 | if info.Meta.RecoveryDepth != 1 { |
| 31 | t.Fatalf("first fork depth = %d, want 1", info.Meta.RecoveryDepth) |
| 32 | } |
| 33 | if info.Meta.ParentID != BranchID(path) { |
| 34 | t.Fatalf("parent = %q, want root %q", info.Meta.ParentID, BranchID(path)) |
| 35 | } |
| 36 | |
| 37 | deeper, staleDeeper := divergedSessionPair(t, dir, "deeper.jsonl") |
| 38 | stampRecoveryMeta(t, deeper, 1) |
| 39 | info, err = staleDeeper.SaveRecoveryBranch(RecoveryBranchOptions{OriginalPath: deeper}) |
| 40 | if err != nil { |
| 41 | t.Fatalf("SaveRecoveryBranch from recovered file: %v", err) |
| 42 | } |
| 43 | if info.Meta.RecoveryDepth != 1 { |
| 44 | t.Fatalf("stable fork depth = %d, want 1", info.Meta.RecoveryDepth) |
| 45 | } |
| 46 | if info.Meta.ParentID != recoveryRootID(deeper) { |
| 47 | t.Fatalf("parent = %q, want root %q", info.Meta.ParentID, recoveryRootID(deeper)) |
| 48 | } |
| 49 | |
| 50 | capped, staleCapped := divergedSessionPair(t, dir, "capped.jsonl") |
| 51 | stampRecoveryMeta(t, capped, SessionRecoveryMaxDepth) |
| 52 | info, err = staleCapped.SaveRecoveryBranch(RecoveryBranchOptions{OriginalPath: capped}) |
| 53 | if err != nil { |
| 54 | t.Fatalf("SaveRecoveryBranch at historical cap: %v", err) |
| 55 | } |
| 56 | if info.Path == "" || info.Path == capped { |
| 57 | t.Fatalf("capped parent did not write a stable recovery file: %q", info.Path) |
| 58 | } |
| 59 | forks, err := filepath.Glob(filepath.Join(dir, "capped-recovery-*.jsonl")) |
| 60 | if err != nil { |
| 61 | t.Fatalf("glob: %v", err) |
| 62 | } |
| 63 | var recovered []string |
| 64 | for _, fork := range forks { |
| 65 | if !strings.HasSuffix(fork, ".events.jsonl") { |
| 66 | recovered = append(recovered, fork) |
| 67 | } |
| 68 | } |
| 69 | if len(recovered) != 1 { |
| 70 | t.Fatalf("stable recovery copies = %v, want 1", recovered) |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | func TestRepeatedDivergenceRewritesOneRecoveryBranch(t *testing.T) { |
| 75 | dir := t.TempDir() |
| 76 | path, stale := divergedSessionPair(t, dir, "session.jsonl") |
| 77 | first, err := stale.SaveRecoveryBranch(RecoveryBranchOptions{OriginalPath: path}) |
| 78 | if err != nil { |
| 79 | t.Fatalf("first SaveRecoveryBranch: %v", err) |
| 80 | } |
| 81 | stale.Add(provider.Message{Role: provider.RoleAssistant, Content: "more local"}) |
| 82 | second, err := stale.SaveRecoveryBranch(RecoveryBranchOptions{OriginalPath: first.Path}) |
| 83 | if err != nil { |
| 84 | t.Fatalf("second SaveRecoveryBranch: %v", err) |
| 85 | } |
| 86 | if second.Path != first.Path { |
| 87 | t.Fatalf("recovery path rotated %q -> %q", first.Path, second.Path) |
| 88 | } |
| 89 | matches, err := filepath.Glob(filepath.Join(dir, "*-recovery-*.jsonl")) |
| 90 | if err != nil { |
| 91 | t.Fatal(err) |
| 92 | } |
| 93 | var files []string |
| 94 | for _, m := range matches { |
| 95 | if !strings.HasSuffix(m, ".events.jsonl") { |
| 96 | files = append(files, m) |
| 97 | } |
| 98 | } |
| 99 | if len(files) != 1 { |
| 100 | t.Fatalf("recovery files = %v, want 1", files) |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | func TestRecoveryGenerationDoesNotReusePreviousProcessPath(t *testing.T) { |
| 105 | dir := t.TempDir() |
| 106 | root := filepath.Join(dir, "session.jsonl") |
| 107 | oldPath := stableRecoverySessionPath(root, "gen-1") |
| 108 | if err := os.WriteFile(oldPath, []byte(`{"role":"user","content":"previous process"}`+"\n"), 0o600); err != nil { |
| 109 | t.Fatal(err) |
| 110 | } |
| 111 | |
| 112 | current := NewSession("sys") |
| 113 | current.Add(provider.Message{Role: provider.RoleUser, Content: "current process"}) |
| 114 | writer, err := AcquireSessionWriter(root) |
| 115 | if err != nil { |
| 116 | t.Fatal(err) |
| 117 | } |
| 118 | defer writer.Release() |
| 119 | if err := writer.Bind(current, 1); err != nil { |
| 120 | t.Fatal(err) |
| 121 | } |
| 122 | |
| 123 | info, err := current.SaveConflictRecoveryBranch(RecoveryBranchOptions{OriginalPath: root}) |
| 124 | if err != nil { |
| 125 | t.Fatalf("SaveConflictRecoveryBranch: %v", err) |
| 126 | } |
| 127 | if info.Path == oldPath { |
| 128 | t.Fatalf("recovery reused previous-process path %q", oldPath) |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | func TestRecoveryGenerationRotatesAfterUnexpectedCollision(t *testing.T) { |
| 133 | dir := t.TempDir() |
| 134 | root := filepath.Join(dir, "session.jsonl") |
| 135 | current := NewSession("sys") |
| 136 | current.Add(provider.Message{Role: provider.RoleUser, Content: "current process"}) |
| 137 | writer, err := AcquireSessionWriter(root) |
| 138 | if err != nil { |
| 139 | t.Fatal(err) |
| 140 | } |
| 141 | defer writer.Release() |
| 142 | if err := writer.Bind(current, 7); err != nil { |
| 143 | t.Fatal(err) |
| 144 | } |
| 145 | |
| 146 | collidingPath := stableRecoverySessionPath(root, current.recoveryGenerationKey()) |
| 147 | if err := os.WriteFile(collidingPath, []byte(`{"role":"user","content":"independent recovery"}`+"\n"), 0o600); err != nil { |
| 148 | t.Fatal(err) |
| 149 | } |
| 150 | info, err := current.SaveConflictRecoveryBranch(RecoveryBranchOptions{OriginalPath: root}) |
| 151 | if err != nil { |
| 152 | t.Fatalf("SaveConflictRecoveryBranch: %v", err) |
| 153 | } |
| 154 | if info.Path == collidingPath { |
| 155 | t.Fatalf("collision did not rotate recovery path %q", collidingPath) |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | func TestRecoveryGenerationStaysStableAfterRecoveryLeaseRebind(t *testing.T) { |
| 160 | dir := t.TempDir() |
| 161 | root := filepath.Join(dir, "session.jsonl") |
| 162 | sess := NewSession("sys") |
| 163 | firstWriter, err := AcquireSessionWriter(root) |
| 164 | if err != nil { |
| 165 | t.Fatal(err) |
| 166 | } |
| 167 | if err := firstWriter.Bind(sess, NextSessionWriteGeneration()); err != nil { |
| 168 | t.Fatal(err) |
| 169 | } |
| 170 | lane := sess.recoveryGenerationKey() |
| 171 | firstPath := stableRecoverySessionPath(root, lane) |
| 172 | firstWriter.Release() |
| 173 | |
| 174 | secondWriter, err := AcquireSessionWriter(firstPath) |
| 175 | if err != nil { |
| 176 | t.Fatal(err) |
| 177 | } |
| 178 | defer secondWriter.Release() |
| 179 | if err := secondWriter.Bind(sess, NextSessionWriteGeneration()); err != nil { |
| 180 | t.Fatal(err) |
| 181 | } |
| 182 | if got := sess.recoveryGenerationKey(); got != lane { |
| 183 | t.Fatalf("recovery lane changed across lease rebind: %q -> %q", lane, got) |
| 184 | } |
| 185 | if got := stableRecoverySessionPath(firstPath, sess.recoveryGenerationKey()); got != firstPath { |
| 186 | t.Fatalf("second recovery target = %q, want stable %q", got, firstPath) |
| 187 | } |
| 188 | } |
| 189 |