parallelized pytests

Author: stefdoerr

.github/workflows/test_and_publish.yml

@@ -61,6 +61,7 @@ jobs:
           pytest ./tests/ --durations=20
         env:
           LOCAL_PDB_REPO: ./tests/pdb/
+          SKIP_SPEED_TESTS: True
 
       # - name: Upload coverage to Codecov
       #   uses: codecov/codecov-action@v3

pyproject.toml

@@ -58,5 +58,5 @@ norecursedirs = "test-data"
 
 [tool.cibuildwheel]
 skip = ["pp*"]  # Disable PyPy builds due to Cython
-test-requires = "pytest"
-test-command = "pytest {project}/tests"
+test-requires = ["pytest", "pytest-xdist"]
+test-command = "pytest -n auto {project}/tests"

tests/test_atomselect.py

@@ -122,7 +122,10 @@ def _test_atomselect(pdbid, sel, _pdbmols):
 
     reffile = os.path.join(curr_dir, "test_atomselect", "selections.pickle")
     write_reffile = False
-    time_comp = sys.platform.startswith("linux")
+    time_comp = (
+        sys.platform.startswith("linux")
+        and os.environ.get("SKIP_SPEED_TESTS", None) is None
+    )
     if not write_reffile:
         with open(reffile, "rb") as f:
             ref = pickle.load(f)