| 1 | # SPDX-License-Identifier: Apache-2.0 |
| 2 | # SPDX-FileCopyrightText: Copyright contributors to the vLLM project |
| 3 | |
| 4 | from vllm.v1.watermarking import GumbelWatermarkDetector |
| 5 | |
| 6 | _NON_WATERMARKED_TOKEN_IDS = list(range(64)) |
| 7 | _WATERMARKED_TOKEN_IDS = [ |
| 8 | 85, |
| 9 | 56, |
| 10 | 123, |
| 11 | 77, |
| 12 | 105, |
| 13 | 62, |
| 14 | 9, |
| 15 | 104, |
| 16 | 16, |
| 17 | 98, |
| 18 | 123, |
| 19 | 22, |
| 20 | 16, |
| 21 | 35, |
| 22 | 47, |
| 23 | 127, |
| 24 | 77, |
| 25 | 67, |
| 26 | 19, |
| 27 | 2, |
| 28 | 10, |
| 29 | 8, |
| 30 | 75, |
| 31 | 22, |
| 32 | 127, |
| 33 | 30, |
| 34 | 95, |
| 35 | 9, |
| 36 | 101, |
| 37 | 14, |
| 38 | 113, |
| 39 | 122, |
| 40 | 85, |
| 41 | 66, |
| 42 | 122, |
| 43 | 50, |
| 44 | 38, |
| 45 | 119, |
| 46 | 15, |
| 47 | 58, |
| 48 | 68, |
| 49 | 62, |
| 50 | 24, |
| 51 | 126, |
| 52 | 80, |
| 53 | 126, |
| 54 | 68, |
| 55 | 83, |
| 56 | 81, |
| 57 | 126, |
| 58 | 62, |
| 59 | 31, |
| 60 | 18, |
| 61 | 81, |
| 62 | 64, |
| 63 | 47, |
| 64 | 22, |
| 65 | 70, |
| 66 | 47, |
| 67 | 109, |
| 68 | 54, |
| 69 | 21, |
| 70 | 65, |
| 71 | 38, |
| 72 | ] |
| 73 | |
| 74 | |
| 75 | def test_detection_on_known_sequence(): |
| 76 | detector = GumbelWatermarkDetector(key=42, context_width=4, prf="philox") |
| 77 | |
| 78 | assert detector.detect(_WATERMARKED_TOKEN_IDS).is_watermarked |
| 79 | assert not detector.detect(_NON_WATERMARKED_TOKEN_IDS).is_watermarked |
| 80 | |
| 81 | |
| 82 | def test_detector_handles_empty_input(): |
| 83 | detector = GumbelWatermarkDetector(key=42, context_width=4, prf="philox") |
| 84 | contexts, targets = detector._prepare_inputs([]) |
| 85 | detection = detector.detect([]) |
| 86 | |
| 87 | assert contexts.shape == (0, 4) |
| 88 | assert targets.shape == (0,) |
| 89 | assert detection.score == 0 |
| 90 | assert detection.p_value == 1 |
| 91 | assert not detection.is_watermarked |