Refactor pytest task: replace batch script with Python command and add custom options for window display

Author: PierreRaybaut

.vscode/tasks.json

@@ -139,16 +139,16 @@
         },
         {
             "label": "🚀 Run pytest",
-            "command": "cmd",
+            "command": "${command:python.interpreterPath}",
             "args": [
-                "/c",
-                "run_pytest.bat"
+                "-m",
+                "pytest",
+                "--ff",
             ],
             "options": {
-                "cwd": "scripts",
+                "cwd": "${workspaceFolder}",
                 "env": {
-                    "UNATTENDED": "1",
-                    "PYTHON": "${command:python.interpreterPath}"
+                    "UNATTENDED": "1"
                 }
             },
             "group": {
@@ -158,9 +158,12 @@
             "presentation": {
                 "echo": true,
                 "reveal": "always",
+                "focus": false,
+                "panel": "dedicated",
                 "showReuseMessage": true,
+                "clear": true
             },
-            "type": "shell"
+            "type": "shell",
         },
         {
             "label": "Update requirements.txt",

plotpy/tests/conftest.py

@@ -1,6 +1,7 @@
 # content of conftest.py
 
 import gc
+import os
 
 import guidata
 import h5py
@@ -20,6 +21,22 @@
 execenv.verbose = "quiet"
 
 
+def pytest_addoption(parser):
+    """Add custom command line options to pytest."""
+    parser.addoption(
+        "--show-windows",
+        action="store_true",
+        default=False,
+        help="Display Qt windows during tests (disables QT_QPA_PLATFORM=offscreen)",
+    )
+
+
+def pytest_configure(config):
+    """Configure pytest based on command line options."""
+    if not config.getoption("--show-windows"):
+        os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
+
+
 @pytest.fixture(scope="session", autouse=True)
 def disable_gc_for_tests():
     """Disable garbage collection for all tests in the session."""

pyproject.toml

@@ -77,7 +77,8 @@ include = ["plotpy*"]
 version = { attr = "plotpy.__version__" }
 
 [tool.pytest.ini_options]
-addopts = "plotpy"
+addopts = "plotpy --import-mode=importlib"
+# addopts = "plotpy --import-mode=importlib --show-windows"  # Disable offscreen mode
 
 [tool.ruff]
 exclude = [".git", ".vscode", "build", "dist"]