tests: fix warnings

docs/conf.py

@@ -6,22 +6,24 @@
 
 # -- Path setup --------------------------------------------------------------
 
+import importlib.metadata
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 import os
 import sys
-from datetime import datetime
 import time
-import importlib.metadata
+from datetime import datetime, timezone
 
 sys.path.insert(0, os.path.abspath(".."))
 
 
 # -- Project information -----------------------------------------------------
 
-build_date = datetime.utcfromtimestamp(int(os.environ.get("SOURCE_DATE_EPOCH", time.time())))
+build_date = datetime.fromtimestamp(
+    int(os.environ.get("SOURCE_DATE_EPOCH", time.time())), timezone.utc
+)
 project = "Common Workflow Language reference implementation"
 copyright = f"2019 — {build_date.year}, Peter Amstutz and contributors to the CWL Project"
 author = "Peter Amstutz and Common Workflow Language Project contributors"

tests/test_mpi.py

@@ -6,8 +6,8 @@
 from pathlib import Path
 from typing import Any, Generator, List, MutableMapping, Optional, Tuple
 
-import pkg_resources
 import pytest
+from importlib_resources import files
 from ruamel.yaml.comments import CommentedMap, CommentedSeq
 from schema_salad.avro.schema import Names
 from schema_salad.utils import yaml_no_ts
@@ -281,12 +281,11 @@ def test_env_passing(monkeypatch: pytest.MonkeyPatch) -> None:
 # Reading the schema is super slow - cache for the session
 @pytest.fixture(scope="session")
 def schema_ext11() -> Generator[Names, None, None]:
-    with pkg_resources.resource_stream("cwltool", "extensions-v1.1.yml") as res:
-        ext11 = res.read().decode("utf-8")
-        cwltool.process.use_custom_schema("v1.1", "http://commonwl.org/cwltool", ext11)
-        schema = cwltool.process.get_schema("v1.1")[1]
-        assert isinstance(schema, Names)
-        yield schema
+    ext11 = files("cwltool").joinpath("extensions-v1.1.yml").read_text("utf-8")
+    cwltool.process.use_custom_schema("v1.1", "http://commonwl.org/cwltool", ext11)
+    schema = cwltool.process.get_schema("v1.1")[1]
+    assert isinstance(schema, Names)
+    yield schema
 
 
 mpiReq = CommentedMap({"class": MPIRequirementName, "processes": 1})

tests/test_path_checks.py

@@ -107,7 +107,7 @@ def test_unicode_in_output_files(tmp_path: Path, filename: str) -> None:
     assert main(params) == 0
 
 
-class TestFsAccess(StdFsAccess):
+class StubFsAccess(StdFsAccess):
     """Stub fs access object that doesn't rely on the filesystem."""
 
     def glob(self, pattern: str) -> List[str]:
@@ -195,7 +195,7 @@ def test_clt_returns_specialchar_names(tmp_path: Path) -> None:
         builder.files, builder.stagedir, RuntimeContext(), True
     )
     builder.outdir = "/var/spool/cwl"
-    fs_access = TestFsAccess("")
+    fs_access = StubFsAccess("")
 
     result = cast(
         CWLObjectType,