| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "strings" |
| 6 | "testing" |
| 7 | ) |
| 8 | |
| 9 | func TestMarshalBoundedInspectHardLimit(t *testing.T) { |
| 10 | payload := map[string]any{ |
| 11 | "id": "mcp-tool:svc/read", |
| 12 | "description": strings.Repeat("oversized third-party description ", 4000), |
| 13 | "input_schema": json.RawMessage(`{"type":"object"}`), |
| 14 | "note": strings.Repeat("untrusted metadata ", 4000), |
| 15 | } |
| 16 | got := marshalBoundedInspect(payload) |
| 17 | if len(got) > maxInspectBytes { |
| 18 | t.Fatalf("inspect bytes = %d, want <= %d", len(got), maxInspectBytes) |
| 19 | } |
| 20 | if !json.Valid([]byte(got)) { |
| 21 | t.Fatalf("bounded inspect is invalid JSON: %q", got) |
| 22 | } |
| 23 | if !strings.Contains(got, `"truncated": true`) { |
| 24 | t.Fatalf("bounded inspect did not disclose truncation: %s", got) |
| 25 | } |
| 26 | } |
| 27 |