1 files changed, 42 insertions, 0 deletions
diff --git a/src/silx/gui/conftest.py b/src/silx/gui/conftest.py
index 74b5c19..2e9cf0d 100644
--- a/src/silx/gui/conftest.py
+++ b/src/silx/gui/conftest.py
@@ -1,5 +1,47 @@
 import pytest
 
+from silx.gui import qt
+from silx.gui.qt.inspect import isValid
+
+
 @pytest.fixture(autouse=True)
 def auto_qapp(qapp):
     pass
+
+
+@pytest.fixture
+def qWidgetFactory(qapp, qapp_utils):
+    """QWidget factory as fixture
+
+    This fixture provides a function taking a QWidget subclass as argument
+    which returns an instance of this QWidget making sure it is shown first
+    and destroyed once the test is done.
+    """
+    widgets = []
+
+    def createWidget(cls, *args, **kwargs):
+        widget = cls(*args, **kwargs)
+        widget.setAttribute(qt.Qt.WA_DeleteOnClose)
+        widget.show()
+        qapp_utils.qWaitForWindowExposed(widget)
+        widgets.append(widget)
+
+        return widget
+
+    yield createWidget
+
+    qapp.processEvents()
+
+    for widget in widgets:
+        if isValid(widget):
+            widget.close()
+    qapp.processEvents()
+
+    # Wait some time for all widgets to be deleted
+    for _ in range(10):
+        validWidgets = [widget for widget in widgets if isValid(widget)]
+        if validWidgets:
+            qapp_utils.qWait(10)
+
+    validWidgets = [widget for widget in widgets if isValid(widget)]
+    assert not validWidgets, f"Some widgets were not destroyed: {validWidgets}"