Enable pytest --pyargs dpctl.tests

Since dpctl/tests does not contain __init__.py, the standard
invocation of pytest failed, rendering it impossible to run
test suite without checkout out source tree.

This change should enable the run out of the box

Author: oleksandr-pavlyk

dpctl/tests/__init__.py

@@ -0,0 +1,19 @@
+#                      Data Parallel Control (dpctl)
+#
+# Copyright 2020-2024 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__doc__ = r"""
+Test suite of `dpctl`. Running test suite requires Cython,
+and a working compiler."""

dpctl/tests/conftest.py

@@ -21,13 +21,14 @@
 import sys
 
 import pytest
-from _device_attributes_checks import (
+
+from ._device_attributes_checks import (
     check,
     device_selector,
     invalid_filter,
     valid_filter,
 )
-from _numpy_warnings import suppress_invalid_numpy_warnings
+from ._numpy_warnings import suppress_invalid_numpy_warnings
 
 sys.path.append(os.path.join(os.path.dirname(__file__), "helper"))
 

dpctl/tests/test_sycl_context.py

@@ -18,10 +18,11 @@
 """
 
 import pytest
-from helper import create_invalid_capsule
 
 import dpctl
 
+from .helper import create_invalid_capsule
+
 list_of_valid_filter_selectors = [
     "opencl",
     "opencl:gpu",

dpctl/tests/test_sycl_device.py

@@ -18,11 +18,12 @@
 """
 
 import pytest
-from helper import get_queue_or_skip
 
 import dpctl
 from dpctl import SyclDeviceCreationError
 
+from .helper import get_queue_or_skip
+
 
 def test_standard_selectors(device_selector, check):
     """Tests if the standard SYCL device_selectors are able to select a

dpctl/tests/test_sycl_event.py

@@ -18,14 +18,15 @@
 """
 
 import pytest
-from helper import create_invalid_capsule
 
 import dpctl
 import dpctl.memory as dpctl_mem
 import dpctl.program as dpctl_prog
 import dpctl.tensor as dpt
 from dpctl import event_status_type as esty
 
+from .helper import create_invalid_capsule
+
 
 def produce_event(profiling=False):
     oclSrc = "                                                                 \

dpctl/tests/test_sycl_platform.py

@@ -20,10 +20,11 @@
 import sys
 
 import pytest
-from helper import has_sycl_platforms
 
 import dpctl
 
+from .helper import has_sycl_platforms
+
 list_of_valid_filter_selectors = [
     "opencl",
     "opencl:gpu",

dpctl/tests/test_sycl_queue.py

@@ -21,10 +21,11 @@
 import sys
 
 import pytest
-from helper import create_invalid_capsule
 
 import dpctl
 
+from .helper import create_invalid_capsule
+
 
 def test_standard_selectors(device_selector, check):
     """

dpctl/tests/test_tensor_accumulation.py

@@ -17,11 +17,12 @@
 from random import randrange
 
 import pytest
-from helper import get_queue_or_skip, skip_if_dtype_not_supported
 
 import dpctl.tensor as dpt
 from dpctl.utils import ExecutionPlacementError
 
+from .helper import get_queue_or_skip, skip_if_dtype_not_supported
+
 sint_types = [
     dpt.int8,
     dpt.int16,

dpctl/tests/test_tensor_clip.py

@@ -16,7 +16,6 @@
 
 import numpy as np
 import pytest
-from helper import get_queue_or_skip, skip_if_dtype_not_supported
 from numpy.testing import assert_raises_regex
 
 import dpctl
@@ -29,6 +28,8 @@
 )
 from dpctl.utils import ExecutionPlacementError
 
+from .helper import get_queue_or_skip, skip_if_dtype_not_supported
+
 _all_dtypes = [
     "?",
     "u1",

dpctl/tests/test_usm_ndarray_ctor.py

@@ -20,13 +20,14 @@
 
 import numpy as np
 import pytest
-from helper import get_queue_or_skip, skip_if_dtype_not_supported
 
 import dpctl
 import dpctl.memory as dpm
 import dpctl.tensor as dpt
 from dpctl.tensor import Device
 
+from .helper import get_queue_or_skip, skip_if_dtype_not_supported
+
 
 @pytest.mark.parametrize(
     "shape",