"""
Usage:
python3 -m unittest test_pp_single_node.TestPPAccuracy.test_gsm8k
python3 -m unittest test_pp_single_node.TestFixedBugs.test_chunked_prefill_with_small_bs
"""

import os
import time
import unittest
from types import SimpleNamespace

import requests

from sglang.bench_one_batch_server import BenchArgs as OneBatchBenchArgs
from sglang.srt.server_args import ServerArgs
from sglang.srt.utils import kill_process_tree
from sglang.test.few_shot_gsm8k import run_eval
from sglang.test.runners import DEFAULT_PROMPTS
from sglang.test.test_utils import (
    DEFAULT_MODEL_NAME_FOR_TEST,
    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
    DEFAULT_URL_FOR_TEST,
    popen_launch_server,
    run_bench_one_batch_server,
)


class TestPPAccuracy(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        # These config helps find a leak.
        os.environ["SGLANG_IS_IN_CI"] = "1"
        cls.base_url = "http://127.0.0.1:23333"
        cls.process = popen_launch_server(
            DEFAULT_MODEL_NAME_FOR_TEST,
            cls.base_url,
            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
            other_args=[
                "--pp-size",
                4,
                "--disable-overlap-schedule",
                "--chunked-prefill-size",
                256,
            ],
        )

    @classmethod
    def tearDownClass(cls):
        kill_process_tree(cls.process.pid)

    def test_gsm8k(self):
        args = SimpleNamespace(
            num_shots=5,
            data_path=None,
            num_questions=200,
            max_new_tokens=512,
            parallel=128,
            host="http://127.0.0.1",
            port=int(self.base_url.split(":")[-1]),
        )
        metrics = run_eval(args)
        print(f"{metrics=}")

        self.assertGreater(metrics["accuracy"], 0.74)
        # Wait a little bit so that the memory check happens.
        time.sleep(5)


# class TestPPAccuracyFlashInfer(unittest.TestCase):
#     @classmethod
#     def setUpClass(cls):
#         # These config helps find a leak.
#         os.environ["SGLANG_IS_IN_CI"] = "1"
#         cls.base_url = "http://127.0.0.1:23333"
#         cls.process = popen_launch_server(
#             DEFAULT_MODEL_NAME_FOR_TEST,
#             cls.base_url,
#             timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
#             other_args=[
#                 "--pp-size",
#                 4,
#                 "--disable-overlap-schedule",
#                 "--attention-backend",
#                 "flashinfer",
#                 "--chunked-prefill-size",
#                 256,
#             ],
#         )
#
#     @classmethod
#     def tearDownClass(cls):
#         kill_process_tree(cls.process.pid)
#
#     def test_gsm8k(self):
#         args = SimpleNamespace(
#             num_shots=5,
#             data_path=None,
#             num_questions=200,
#             max_new_tokens=512,
#             parallel=128,
#             host="http://127.0.0.1",
#             port=int(self.base_url.split(":")[-1]),
#         )
#         metrics = run_eval(args)
#         print(f"{metrics=}")
#
#         self.assertGreater(metrics["accuracy"], 0.75)
#         # Wait a little bit so that the memory check happens.
#         time.sleep(5)


class TestFixedBugs(unittest.TestCase):
    def test_chunked_prefill_with_small_bs(self):
        model = DEFAULT_MODEL_NAME_FOR_TEST
        server_args = ServerArgs(model_path=model)
        bench_args = OneBatchBenchArgs(
            batch_size=(1,),
            input_len=(1,),
            output_len=(1,),
            base_url=DEFAULT_URL_FOR_TEST,
        )
        other_server_args = [
            "--tp-size",
            2,
            "--pp-size",
            2,
            "--disable-overlap-schedule",
            "--chunked-prefill",
            256,
            "--max-running-requests",
            2,
        ]
        run_bench_one_batch_server(
            model,
            DEFAULT_URL_FOR_TEST,
            server_args,
            bench_args,
            other_server_args,
        )


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