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ci: expose native Qt crashes and stalled test stacks #4

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fc1b335
ci: expose native Qt crashes and stalled test stacks
Oct 15, 2026
4635f26
ci: compare isolated highlighter callbacks across Qt bindings
Oct 15, 2026
e8c80d9
ci: install runtime libraries and use available Qt comparison wheel
Oct 15, 2026
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58 changes: 57 additions & 1 deletion .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,62 @@ permissions:
contents: read

jobs:
qt-binding-probe:
name: Isolated Qt binding (${{ matrix.qt }})
runs-on: ubuntu-latest
timeout-minutes: 8
strategy:
fail-fast: false
matrix:
qt: ["6.11.2", "6.12.0"]
env:
QT_QPA_PLATFORM: offscreen
PYTHONIOENCODING: utf-8
steps:
- uses: actions/setup-python@v5
with:
python-version: "3.11"
- name: Install Linux Qt runtime
run: |
sudo apt-get update -qq
sudo apt-get install -y --no-install-recommends libegl1 libgl1 libxkbcommon-x11-0
- name: Install isolated binding
run: python -m pip install "PySide6_Essentials==${{ matrix.qt }}"
- name: Exercise virtual highlighter callbacks without product code
run: |
python -X faulthandler -u - <<'PY'
import gc
import sys
import PySide6
import shiboken6
from PySide6.QtGui import QSyntaxHighlighter, QTextCharFormat, QTextDocument
from PySide6.QtWidgets import QApplication

class Probe(QSyntaxHighlighter):
calls = 0

def highlightBlock(self, text):
self.calls += 1
self.setCurrentBlockState(0)
self.setFormat(0, len(text), QTextCharFormat())

app = QApplication([])
document = QTextDocument()
highlighter = Probe(document)
print("versions", sys.version, PySide6.__version__, shiboken6.__version__)
print("initial None references", sys.getrefcount(None))
for iteration in range(1000):
document.setPlainText(("plain text " + str(iteration) + "\n") * 10)
highlighter.rehighlight()
app.processEvents()
if iteration % 100 == 0:
gc.collect()
print("iteration", iteration, "callbacks", highlighter.calls,
"None references", sys.getrefcount(None))
assert highlighter.calls >= 1000
print("PROBE_COMPLETED", highlighter.calls, sys.getrefcount(None))
PY

lint:
name: Lint & Code Style
runs-on: ubuntu-latest
Expand Down Expand Up @@ -83,4 +139,4 @@ jobs:
python -m pip install -r requirements.txt pytest Pillow tomli

- name: Run Pytest Test Suite
run: pytest -v
run: python -X faulthandler -u -m pytest -s -v -o faulthandler_timeout=60
6 changes: 3 additions & 3 deletions .github/workflows/linux-platform-smoke.yml
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Expand Up @@ -52,10 +52,10 @@ jobs:

- name: Run desktop regressions
run: |
python -m pytest -q tests/test_lsp_client.py tests/test_save_failure_guards.py tests/test_tab_reordering.py
python -X faulthandler -u -m pytest -s -q -o faulthandler_timeout=60 tests/test_lsp_client.py tests/test_save_failure_guards.py tests/test_tab_reordering.py

- name: Run Linux platform smoke
run: python tests/linux_platform_smoke.py
run: python -X faulthandler -u tests/linux_platform_smoke.py

macos-smoke:
runs-on: macos-latest
Expand All @@ -79,4 +79,4 @@ jobs:
python -m pip install -r requirements.txt pytest

- name: Run macOS platform smoke
run: python tests/macos_platform_smoke.py
run: python -X faulthandler -u tests/macos_platform_smoke.py
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