ci[cartesian]: env var on CSCS-CI to suppress cuda backend deprecatio…

…n error (#1541)

Suppress the deprecation error for cartesian "CUDA" backend on CSCS-CI.

ci/cscs-ci.yml

@@ -83,7 +83,7 @@ test py38:
   script:
   - cd /gt4py.src
   - python -c "import cupy"
-  - tox run -e $SUBPACKAGE-$PYVERSION_PREFIX$VARIANT$SUBVARIANT
+  - tox run -e $SUBPACKAGE-$PYVERSION_PREFIX$VARIANT$SUBVARIANT -- --instafail
   parallel:
     matrix:
     - SUBPACKAGE: [cartesian, storage]

min-extra-requirements-test.txt

@@ -101,6 +101,7 @@ pygments==2.7.3
 pytest-cache==1.0
 pytest-cov==2.8
 pytest-factoryboy==2.0.3
+pytest-instafail==0.5.0
 pytest-xdist[psutil]==2.4
 pytest==7.0
 ruff==0.2.0

min-requirements-test.txt

@@ -96,6 +96,7 @@ pygments==2.7.3
 pytest-cache==1.0
 pytest-cov==2.8
 pytest-factoryboy==2.0.3
+pytest-instafail==0.5.0
 pytest-xdist[psutil]==2.4
 pytest==7.0
 ruff==0.2.0

pyproject.toml

@@ -233,6 +233,10 @@ module = 'gt4py.next.iterator.runtime'
 [tool.pytest]
 
 [tool.pytest.ini_options]
+addopts = "--instafail"
+filterwarnings = [
+  "ignore::UserWarning"
+]
 markers = [
   'requires_atlas: tests that require `atlas4py` bindings package',
   'requires_dace: tests that require `dace` package',

requirements-dev.in

@@ -35,6 +35,7 @@ pytest-cache>=1.0
 pytest-cov>=2.8
 pytest-factoryboy>=2.0.3
 pytest-xdist[psutil]>=2.4
+pytest-instafail>=0.5.0
 ruff>=0.2.0
 sphinx>=4.4
 sphinx_rtd_theme>=1.0

tests/cartesian_tests/definitions.py

@@ -53,7 +53,7 @@ def _get_backends_with_storage_info(storage_info_kind: str):
 GPU_BACKENDS = _get_backends_with_storage_info("gpu")
 ALL_BACKENDS = CPU_BACKENDS + GPU_BACKENDS
 
-_PERFORMANCE_BACKEND_NAMES = [name for name in _ALL_BACKEND_NAMES if name != "numpy"]
+_PERFORMANCE_BACKEND_NAMES = [name for name in _ALL_BACKEND_NAMES if name not in ("numpy", "cuda")]
 PERFORMANCE_BACKENDS = [_backend_name_as_param(name) for name in _PERFORMANCE_BACKEND_NAMES]
 
 

tests/cartesian_tests/unit_tests/backend_tests/test_backend.py

@@ -12,6 +12,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+import os
 from typing import Any, Dict, cast
 
 import numpy as np
@@ -175,6 +176,8 @@ def test_toolchain_profiling(backend_name: str, mode: int, rebuild: bool):
 @pytest.mark.parametrize("backend_name", ["cuda"])
 def test_deprecation_gtc_cuda(backend_name: str):
     # Default deprecation, raise an error
+    # Assumes that the GT4PY_GTC_ENABLE_CUDA env variable is not set or set to "0"
+    # Renders the "cuda" backend untestable
     build_info: Dict[str, Any] = {}
     builder = (
         StencilBuilder(cast(StencilFunc, stencil_def))

tox.ini

@@ -43,7 +43,7 @@ extras =
     cuda12x: cuda12x
 package = wheel
 wheel_build_env = .pkg
-pass_env = NUM_PROCESSES, GT4PY_BUILD_CACHE_LIFETIME, GT4PY_BUILD_CACHE_DIR
+pass_env = NUM_PROCESSES, GT4PY_*
 set_env =
     PYTHONWARNINGS = {env:PYTHONWARNINGS:ignore:Support for `[tool.setuptools]` in `pyproject.toml` is still *beta*:UserWarning}