Add explicit handling of warnings (#771)

* add explicit handling of warnings

* ignore warning on min version test

* fix process shutdown

* fix remaining warnings

* fixup

* add cleanup_suprocesses

.github/workflows/python-tests.yml

@@ -33,8 +33,8 @@ jobs:
       - name: Run the tests
         if: ${{ !startsWith(matrix.python-version, 'pypy') && !startsWith(matrix.os, 'windows') }}
         run: |
-          args="-vv --cov jupyter_server --cov-branch --cov-report term-missing:skip-covered --cov-fail-under 70"
-          python -m pytest $args || python -m pytest $args --lf
+          args="-vv --cov jupyter_server --cov-branch --cov-report term-missing:skip-covered"
+          python -m pytest $args  --cov-fail-under 70 || python -m pytest $args --lf
       - name: Run the tests on pypy and windows
         if: ${{ startsWith(matrix.python-version, 'pypy') || startsWith(matrix.os, 'windows') }}
         run: |
@@ -78,7 +78,7 @@ jobs:
         uses: jupyterlab/maintainer-tools/.github/actions/install-minimums@v1
       - name: Run the unit tests
         run: |
-          pytest -vv || pytest -vv --lf
+          pytest -vv -W default || pytest -vv -W default --lf
 
   test_prereleases:
     name: Test Prereleases

docs/source/operators/multiple-extensions.rst

@@ -90,4 +90,4 @@ Extensions can also be enabled manually from the Jupyter Server entrypoint using
 
 .. code-block:: console
 
-    > jupyter server --ServerApp.jpserver_extensions='{"myextension":{"enabled": True}}'
+    > jupyter server --ServerApp.jpserver_extensions="myextension=True"

jupyter_server/pytest_plugin.py

@@ -415,7 +415,7 @@ def client_fetch(*parts, headers=None, params=None, **kwargs):
 @pytest.fixture
 def jp_kernelspecs(jp_data_dir):
     """Configures some sample kernelspecs in the Jupyter data directory."""
-    spec_names = ["sample", "sample 2", "bad"]
+    spec_names = ["sample", "sample2", "bad"]
     for name in spec_names:
         sample_kernel_dir = jp_data_dir.joinpath("kernels", name)
         sample_kernel_dir.mkdir(parents=True)

pyproject.toml

@@ -16,6 +16,14 @@ testpaths = [
 timeout = 300
 # Restore this setting to debug failures
 # timeout_method = "thread"
+filterwarnings = [
+  "error",
+  "ignore:There is no current event loop:DeprecationWarning",
+  "ignore:Passing a schema to Validator.iter_errors:DeprecationWarning",
+  "ignore:unclosed <socket.socket:ResourceWarning",
+  "ignore:unclosed event loop:ResourceWarning",
+  "ignore:run_pre_save_hook is deprecated:DeprecationWarning"
+]
 
 [tool.jupyter-releaser]
 skip = ["check-links"]

tests/auth/test_authorizer.py

@@ -205,6 +205,7 @@ async def test_authorized_requests(
     send_request,
     tmp_path,
     jp_serverapp,
+    jp_cleanup_subprocesses,
     method,
     url,
     body,
@@ -274,3 +275,5 @@ async def test_authorized_requests(
 
     code = await send_request(url, body=body, method=method)
     assert code in expected_codes
+
+    await jp_cleanup_subprocesses()

tests/extension/test_launch.py

@@ -54,6 +54,11 @@ def _kill_extension_app():
                 # Already dead.
                 pass
             process.wait(10)
+            # Make sure all the fds get closed.
+            for attr in ["stdout", "stderr", "stdin"]:
+                fid = getattr(process, attr)
+                if fid:
+                    fid.close()
 
         if add_token:
             f'--ServerApp.token="{token}"',

tests/extension/test_serverextension.py

@@ -71,12 +71,11 @@ def test_merge_config(jp_env_config_path, jp_configurable_serverapp, jp_extensio
         user=True,
     )
 
-    arg = "--ServerApp.jpserver_extensions={{'{mockext_py}': True}}".format(
-        mockext_py="tests.extension.mockextensions.mockext_py"
-    )
+    mockext_py = "tests.extension.mockextensions.mockext_py"
+    argv = ["--ServerApp.jpserver_extensions", f"{mockext_py}=True"]
 
     # Enable the last extension, mockext_py, using the CLI interface.
-    app = jp_configurable_serverapp(config_dir=str(jp_env_config_path), argv=[arg])
+    app = jp_configurable_serverapp(config_dir=str(jp_env_config_path), argv=argv)
     # Verify that extensions are enabled and merged in proper order.
     extensions = app.jpserver_extensions
     assert extensions["tests.extension.mockextensions.mockext_user"]

tests/services/kernelspecs/test_api.py

@@ -50,12 +50,6 @@ async def test_get_kernelspecs(jp_fetch, jp_kernelspecs):
     assert isinstance(model["resources"], dict)
 
 
-async def test_get_kernelspec_spaces(jp_fetch, jp_kernelspecs):
-    r = await jp_fetch("api", "kernelspecs", "sample%202", method="GET")
-    model = json.loads(r.body.decode())
-    assert model["name"].lower() == "sample 2"
-
-
 async def test_get_nonexistant_kernelspec(jp_fetch, jp_kernelspecs):
     with pytest.raises(tornado.httpclient.HTTPClientError) as e:
         await jp_fetch("api", "kernelspecs", "nonexistant", method="GET")

tests/unix_sockets/test_serverapp_integration.py

@@ -15,6 +15,15 @@
 from jupyter_server.utils import urlencode_unix_socket, urlencode_unix_socket_path
 
 
+def _cleanup_process(proc):
+    proc.wait()
+    # Make sure all the fds get closed.
+    for attr in ["stdout", "stderr", "stdin"]:
+        fid = getattr(proc, attr)
+        if fid:
+            fid.close()
+
+
 @pytest.mark.integration_test
 def test_shutdown_sock_server_integration(jp_unix_socket_file):
     url = urlencode_unix_socket(jp_unix_socket_file).encode()
@@ -52,7 +61,7 @@ def test_shutdown_sock_server_integration(jp_unix_socket_file):
 
     assert encoded_sock_path.encode() not in subprocess.check_output(["jupyter-server", "list"])
 
-    p.wait()
+    _cleanup_process(p)
 
 
 @pytest.mark.integration_test
@@ -129,9 +138,7 @@ def test_stop_multi_integration(jp_unix_socket_file, jp_http_port):
 
     _ensure_stopped()
 
-    p1.wait()
-    p2.wait()
-    p3.wait()
+    [_cleanup_process(p) for p in [p1, p2, p3]]
 
 
 @pytest.mark.integration_test
@@ -162,4 +169,4 @@ def test_launch_socket_collision(jp_unix_socket_file):
 
     _ensure_stopped()
 
-    p1.wait()
+    _cleanup_process(p1)