ViperEkura
75304d084d
- add skip_no_fp8 (CUDA + fp8_mm kernel + cc 8.9+) to tests/conftest.py - use skip_no_cuda / skip_no_kernel / skip_no_fp8 directly in test modules - drop _GPU alias and tests.extension.conftest re-exports - remove unused imports (Union in hf_adapter, make_grpo_config in data conftest)
98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
import json
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import os
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import pytest
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import torch
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from astrai.extension import KERNEL_NAMES, is_available
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from astrai.model.transformer import AutoRegressiveLM
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from tests.helpers import (
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TINY_CONFIG,
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RandomTokenDataset,
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build_test_tokenizer,
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make_tiny_config,
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)
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CUDA_AVAIL = torch.cuda.is_available()
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KERNEL_AVAIL = CUDA_AVAIL and all(is_available(k) for k in KERNEL_NAMES)
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FP8_AVAIL = (
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CUDA_AVAIL
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and is_available("fp8_mm")
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and torch.cuda.get_device_capability() >= (8, 9)
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)
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skip_no_cuda = pytest.mark.skipif(not CUDA_AVAIL, reason="CUDA not available")
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skip_no_kernel = pytest.mark.skipif(not KERNEL_AVAIL, reason="CUDA kernels not built")
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skip_no_fp8 = pytest.mark.skipif(
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not FP8_AVAIL,
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reason="fused FP8 MMA requires a built kernel and compute capability 8.9+",
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)
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def pytest_configure(config):
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config.addinivalue_line("markers", "slow: marks tests as slow")
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config.addinivalue_line("markers", "integration: integration tests")
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config.addinivalue_line("markers", "unit: fast unit tests")
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@pytest.fixture(scope="session")
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def device():
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"""Session-scoped device string (``"cuda"`` if available, else ``"cpu"``)."""
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return "cuda" if torch.cuda.is_available() else "cpu"
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def create_test_tokenizer(vocab_size: int = 1000):
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"""Create a simple tokenizer for testing purposes."""
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return build_test_tokenizer(vocab_size)
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@pytest.fixture(scope="session")
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def test_tokenizer():
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"""Session-scoped tokenizer, created once for the entire test run."""
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return create_test_tokenizer()
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@pytest.fixture
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def test_model(device):
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"""Function-scoped small AutoRegressiveLM model, isolated per test."""
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config = make_tiny_config()
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model = AutoRegressiveLM(config).to(device=device)
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return {"model": model, "device": device, "config": config}
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@pytest.fixture
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def temp_dir(tmp_path):
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"""Function-scoped temporary directory, cleaned up by pytest."""
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return str(tmp_path)
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@pytest.fixture
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def base_test_env(test_model, test_tokenizer, temp_dir):
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"""Function-scoped test environment with isolated temp directory."""
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config_path = os.path.join(temp_dir, "config.json")
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with open(config_path, "w") as f:
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json.dump(TINY_CONFIG, f)
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return {
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"device": test_model["device"],
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"test_dir": temp_dir,
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"config_path": config_path,
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"transformer_config": test_model["config"],
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"model": test_model["model"],
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"tokenizer": test_tokenizer,
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}
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@pytest.fixture
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def random_dataset():
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return RandomTokenDataset(length=None)
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@pytest.fixture
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def multi_turn_dataset():
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return RandomTokenDataset(length=None, with_loss_mask=True)
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@pytest.fixture
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def early_stopping_dataset():
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return RandomTokenDataset(length=10, stop_after=5)
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