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dpctl/tests/ - Test Suite

Purpose

pytest-based test suite for dpctl functionality.

Key Files

File Purpose
conftest.py Fixtures and pytest configuration
helper/_helper.py get_queue_or_skip(), skip_if_dtype_not_supported()
elementwise/utils.py Dtype and USM type lists for parametrization

Essential Helpers

From helper/_helper.py:

get_queue_or_skip()           # Create queue or skip test
skip_if_dtype_not_supported() # Skip if device lacks dtype (fp64/fp16)

Dtype/USM Lists

Do not hardcode - import from elementwise/utils.py:

from .utils import _all_dtypes, _usm_types, _no_complex_dtypes

Test Pattern

@pytest.mark.parametrize("dtype", _all_dtypes)
def test_operation(dtype):
    q = get_queue_or_skip()
    skip_if_dtype_not_supported(dtype, q)

    x = dpt.ones(100, dtype=dtype, sycl_queue=q)
    result = dpt.operation(x)
    # ... assertions

Coverage Requirements

  • All supported dtypes (see elementwise/utils.py)
  • All USM types: device, shared, host
  • Memory orders: C, F where applicable
  • Edge cases: empty arrays, 0-d arrays (scalars), broadcasting