import unittest

from sglang.srt.utils import is_hip
from sglang.test.ci.ci_register import register_amd_ci, register_cuda_ci
from sglang.test.server_fixtures.standalone_fixture import StandaloneServerBase
from sglang.test.test_utils import CustomTestCase

# Non-V2 standalone speculative decoding tests (FA3, Triton, FlashInfer
# backends). Sibling V2 classes stay per-commit in test_spec_standalone.py.
register_cuda_ci(est_time=406, stage="extra-a", runner_config="1-gpu-large")
# AMD: fa3 / flashinfer attention backends are not built in the ROCm
# sgl_kernel, so only the triton-backend class runs on ROCm (the fa3 and
# flashinfer classes are skipped on ROCm below).
register_amd_ci(est_time=103, suite="extra-a-test-1-gpu-large-amd")

_AMD_SKIP_BACKEND = "fa3 / flashinfer attention backends are CUDA-only (not in the ROCm sgl_kernel build)"


@unittest.skipIf(is_hip(), _AMD_SKIP_BACKEND)
class TestStandaloneSpeculativeDecodingBase(StandaloneServerBase, CustomTestCase):
    attention_backend = "fa3"
    speculative_eagle_topk = 2
    speculative_num_draft_tokens = 7
    disable_overlap = True


class TestStandaloneSpeculativeDecodingTriton(StandaloneServerBase, CustomTestCase):
    attention_backend = "triton"
    speculative_eagle_topk = 2
    speculative_num_draft_tokens = 7
    disable_overlap = True
    enable_deterministic_inference = True


@unittest.skipIf(is_hip(), _AMD_SKIP_BACKEND)
class TestStandaloneSpeculativeDecodingFlashinfer(StandaloneServerBase, CustomTestCase):
    attention_backend = "flashinfer"
    speculative_eagle_topk = 2
    speculative_num_draft_tokens = 7
    disable_overlap = True


if __name__ == "__main__":
    unittest.main()