test against different numpy versions (#174)

noxfile.py

@@ -2,16 +2,16 @@
 
 # waiting for https://github.com/python-poetry/poetry-plugin-export/pull/286
 # for now have to fall back to nox rather than nox_poetry
-from nox import Session, session
+from nox import Session, parametrize, session
 
 # from nox_poetry import Session, session
 
 python_versions = ["3.12", "3.11", "3.10", "3.9"]
 python_dflt = "3.10"
+numpy_versions = ["1.21", "1.26", "2.0"]
 
 
-@session(python=python_versions)
-def tests(session):
+def tests_base(session):
     session.install("coverage[toml]", "pytest", "pytest-mock", "pygments")
     session.install(".")
     try:
@@ -23,13 +23,28 @@ def tests(session):
             "pytest",
             "-v",
             "--junitxml=report.xml",
-            *session.posargs
+            *session.posargs,
         )
     finally:
         if session.interactive:
             session.notify("coverage", posargs=[])
 
 
+@session(python=python_versions)
+def tests(session):
+    tests_base(session)
+
+
+@session(python=python_versions)
+@parametrize("numpy", numpy_versions)
+def tests_numpy_versions(session, numpy):
+    # Check for unspoorted combination of Python >3.10 with and NumPy 1.21 and skip it
+    if session.python in ["3.11", "3.12"] and numpy == "1.21":
+        session.skip("Skipping NumPy 1.21 on Python > 3.10")
+    session.install(f"numpy=={numpy}")
+    tests_base(session)
+
+
 @session(python=python_dflt)
 def coverage(session: Session) -> None:
     args = session.posargs or ["report"]

pyproject.toml

@@ -7,7 +7,10 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-numpy = ">=1.21"
+numpy = [
+    {version = "^1.21", python = "<3.11"},
+    {version = ">=1.26", python = ">=3.11"}
+]
 # need dask>2024.4.1 for py>=3.11.9 (https://github.com/dask/dask/pull/11035)
 dask = [{extras = ["array", "dataframe", "distributed"], version = ">=2023", python = "<3.11.9"},
         {extras = ["array", "dataframe", "distributed"], version = ">=2024.4.1", python = ">=3.11.9"}