Implements a pytest marker for tests currently broken for complex data types on some platforms

The marker "broken_complex" can be used to skip these broken tests.

Running the tests with `pytest --runcomplex` permits running the test.

Author: ndgrigorian

dpctl/tests/conftest.py

@@ -20,6 +20,7 @@
 import os
 import sys
 
+import pytest
 from _device_attributes_checks import (
     check,
     device_selector,
@@ -38,3 +39,28 @@
     "suppress_invalid_numpy_warnings",
     "valid_filter",
 ]
+
+
+def pytest_configure(config):
+    config.addinivalue_line(
+        "markers",
+        "broken_complex: Specified again to remove warnings ",
+    )
+
+
+def pytest_addoption(parser):
+    parser.addoption(
+        "--runcomplex",
+        action="store_true",
+        default=False,
+        help="run broken complex tests",
+    )
+
+
+def pytest_collection_modifyitems(config, items):
+    if config.getoption("--runcomplex"):
+        return
+    skip_complex = pytest.mark.skip(reason="need --runcomplex option to run")
+    for item in items:
+        if "broken_complex" in item.keywords:
+            item.add_marker(skip_complex)

dpctl/tests/elementwise/test_hyperbolic.py

@@ -270,6 +270,7 @@ def test_hyper_real_special_cases(np_call, dpt_call, dtype):
     assert_allclose(dpt.asnumpy(dpt_call(yf)), Y_np, atol=tol, rtol=tol)
 
 
+@pytest.mark.broken_complex
 @pytest.mark.parametrize("np_call, dpt_call", _all_funcs)
 @pytest.mark.parametrize("dtype", ["c8", "c16"])
 def test_hyper_complex_special_cases(np_call, dpt_call, dtype):

dpctl/tests/elementwise/test_trigonometric.py

@@ -267,6 +267,7 @@ def test_trig_real_special_cases(np_call, dpt_call, dtype):
     assert_allclose(dpt.asnumpy(dpt_call(yf)), Y_np, atol=tol, rtol=tol)
 
 
+@pytest.mark.broken_complex
 @pytest.mark.parametrize("np_call, dpt_call", _all_funcs)
 @pytest.mark.parametrize("dtype", ["c8", "c16"])
 def test_trig_complex_special_cases(np_call, dpt_call, dtype):

pyproject.toml

@@ -33,6 +33,9 @@ omit = [
 ]
 
 [tool.pytest.ini.options]
+markers = [
+    "broken_complex: mark a test that is skipped due to complex implementation",
+]
 minversion = "6.0"
 norecursedirs= [
     ".*", "*.egg*", "build", "dist", "conda-recipe",