Backport PR #1453: update tests for 3.14 (#1460)

Co-authored-by: Min RK <benjaminrk@gmail.com>

Author: ianthomas23

.github/workflows/ci.yml

@@ -22,13 +22,30 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
+        qt:
+          - qt5
+          - qt6
         python-version:
           - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
+          # 3.14t needs a jupyter-core release
+          # - "3.14t"
           - "pypy-3.11"
+        exclude:
+          # qt6 not supported on 3.14 yet
+          - python-version: "3.14"
+            qt: qt6
+          - python-version: "3.13"
+            qt: qt5
+          - python-version: "3.12"
+            qt: qt5
+          - python-version: "3.11"
+            qt: qt5
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -37,6 +54,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: set qt env
+        run: |
+          echo "QT=${{ matrix.qt }}" >> $GITHUB_ENV
+        shell: bash
+
       - name: Install hatch
         run: |
           python --version

pyproject.toml

@@ -101,13 +101,10 @@ features = ["test", "cov"]
 test = "python -m pytest -vv --cov ipykernel --cov-branch --cov-report term-missing:skip-covered {args}"
 nowarn = "test -W default {args}"
 
-[[tool.hatch.envs.cov.matrix]]
-qt = ["qt5", "qt6"]
-
 [tool.hatch.envs.cov.overrides]
-matrix.qt.features = [
-  { value = "pyqt5", if = ["qt5"] },
-  { value = "pyside6", if = ["qt6"] },
+env.QT.features = [
+    { value = "pyqt5", if = ["qt5"] },
+    { value = "pyside6", if = ["qt6"] },
 ]
 
 [tool.hatch.envs.typing]

tests/test_kernel.py

@@ -209,10 +209,14 @@ def test_sys_path_profile_dir():
     assert "" in sys_path
 
 
+# the subprocess print tests fail in pytest,
+# but manual tests in notebooks work fine...
+
+
 @pytest.mark.flaky(max_runs=3)
 @pytest.mark.skipif(
-    sys.platform == "win32" or (sys.platform == "darwin" and sys.version_info >= (3, 8)),
-    reason="subprocess prints fail on Windows and MacOS Python 3.8+",
+    sys.platform in {"win32", "darwin"} or sys.version_info >= (3, 14),
+    reason="test doesn't reliably reproduce subprocess output capture",
 )
 def test_subprocess_print():
     """printing from forked mp.Process"""
@@ -266,8 +270,8 @@ def test_subprocess_noprint():
 
 @pytest.mark.flaky(max_runs=3)
 @pytest.mark.skipif(
-    sys.platform == "win32" or (sys.platform == "darwin" and sys.version_info >= (3, 8)),
-    reason="subprocess prints fail on Windows and MacOS Python 3.8+",
+    sys.platform in {"win32", "darwin"} or sys.version_info >= (3, 14),
+    reason="test doesn't reliably reproduce subprocess output capture",
 )
 def test_subprocess_error():
     """error in mp.Process doesn't crash"""