| 7 | ) |
| 8 | |
| 9 | func TestCacheHitMissAndPersist(t *testing.T) { |
| 10 | dir := t.TempDir() |
| 11 | jsonl := filepath.Join(dir, "s.jsonl") |
| 12 | line := `{"type":"assistant","timestamp":"2026-06-01T10:00:00.000Z","message":{"role":"assistant","content":[{"type":"tool_use","name":"Bash","input":{"command":"flow show task"}}]}}` |
| 13 | if err := os.WriteFile(jsonl, []byte(line), 0o644); err != nil { |
| 14 | t.Fatal(err) |
| 15 | } |
| 16 | |
| 17 | c := LoadCache(filepath.Join(dir, "cache.json")) // missing → empty |
| 18 | r1, err := c.ScanFile(jsonl, "mine") |
| 19 | if err != nil { |
| 20 | t.Fatal(err) |
| 21 | } |
| 22 | if len(r1.Lookups) != 1 { |
| 23 | t.Fatalf("first scan lookups = %d, want 1", len(r1.Lookups)) |
| 24 | } |
| 25 | if len(c.Entries) != 1 { |
| 26 | t.Fatalf("cache should have 1 entry, got %d", len(c.Entries)) |
| 27 | } |
| 28 | |
| 29 | // Second scan, unchanged file → served from cache (entry count stable), |
| 30 | // and the cached rollup is returned (not an empty FileRollup). |
| 31 | r2, err := c.ScanFile(jsonl, "mine") |
| 32 | if err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | if len(r2.Lookups) != 1 { |
| 36 | t.Fatalf("cache hit lookups = %d, want 1 (hit must return cached rollup)", len(r2.Lookups)) |
| 37 | } |
| 38 | if len(c.Entries) != 1 { |
| 39 | t.Fatalf("cache entry count changed unexpectedly: %d", len(c.Entries)) |
| 40 | } |
| 41 | |
| 42 | // Persist + reload round-trips. |
| 43 | cpath := filepath.Join(dir, "cache.json") |
| 44 | if err := c.Save(cpath); err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | c2 := LoadCache(cpath) |
| 48 | if len(c2.Entries) != 1 { |
| 49 | t.Fatalf("reloaded cache entries = %d, want 1", len(c2.Entries)) |
| 50 | } |
| 51 | |
| 52 | // Prune drops unseen entries. |
| 53 | c2.Prune(map[string]bool{}) // nothing seen |
| 54 | if len(c2.Entries) != 0 { |
| 55 | t.Fatalf("prune left %d entries, want 0", len(c2.Entries)) |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | // TestLoadCacheCorrupt verifies the binding constraint that LoadCache never |
| 60 | // errors: a corrupt cache file must yield an empty, usable cache (not nil, |