Tests überarbeitet, Mocks und coverage eingefügt

modules/qt_compat.py

@@ -0,0 +1,111 @@
+"""
+qt_compat.py – Einheitliche Qt-Kompatibilitätsschicht für QGIS-Plugins.
+
+Ziele:
+- PyQt6 bevorzugt
+- Fallback auf PyQt5
+- Mock-Modus, wenn kein Qt verfügbar ist (z. B. in Unittests)
+- OR-fähige Fake-Enums im Mock-Modus
+"""
+
+QT_VERSION = 0  # 0 = Mock, 5 = PyQt5, 6 = PyQt6
+
+# ---------------------------------------------------------
+# Versuch: PyQt6 importieren
+# ---------------------------------------------------------
+try:
+    from PyQt6.QtWidgets import QMessageBox, QFileDialog
+    from PyQt6.QtCore import Qt, QEventLoop, QUrl
+    from PyQt6.QtNetwork import QNetworkRequest, QNetworkReply
+
+    YES = QMessageBox.StandardButton.Yes
+    NO = QMessageBox.StandardButton.No
+    CANCEL = QMessageBox.StandardButton.Cancel
+    ICON_QUESTION = QMessageBox.Icon.Question
+
+    QT_VERSION = 6
+
+    def exec_dialog(dialog):
+        """Einheitliche Ausführung eines Dialogs."""
+        return dialog.exec()
+
+# ---------------------------------------------------------
+# Versuch: PyQt5 importieren
+# ---------------------------------------------------------
+except Exception:
+    try:
+        from PyQt5.QtWidgets import QMessageBox, QFileDialog
+        from PyQt5.QtCore import Qt, QEventLoop, QUrl
+        from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
+
+        YES = QMessageBox.Yes
+        NO = QMessageBox.No
+        CANCEL = QMessageBox.Cancel
+        ICON_QUESTION = QMessageBox.Question
+
+        QT_VERSION = 5
+
+        def exec_dialog(dialog):
+            return dialog.exec_()
+
+    # ---------------------------------------------------------
+    # Mock-Modus (kein Qt verfügbar)
+    # ---------------------------------------------------------
+    except Exception:
+        QT_VERSION = 0
+
+        class FakeEnum(int):
+            """Ein OR-fähiger Enum-Ersatz für den Mock-Modus."""
+            def __or__(self, other):
+                return FakeEnum(int(self) | int(other))
+
+        class QMessageBox:
+            Yes = FakeEnum(1)
+            No = FakeEnum(2)
+            Cancel = FakeEnum(4)
+            Question = FakeEnum(8)
+
+        class QFileDialog:
+            """Minimaler Mock für QFileDialog."""
+            @staticmethod
+            def getOpenFileName(*args, **kwargs):
+                return ("", "")  # kein Dateipfad
+
+        YES = QMessageBox.Yes
+        NO = QMessageBox.No
+        CANCEL = QMessageBox.Cancel
+        ICON_QUESTION = QMessageBox.Question
+
+        def exec_dialog(dialog):
+            """Mock-Ausführung: gibt YES zurück, außer Tests patchen es."""
+            return YES
+        # -------------------------
+        # Mock Netzwerk-Klassen
+        # -------------------------
+        class QEventLoop:
+            def exec(self):
+                return 0
+
+            def quit(self):
+                pass
+
+        class QUrl(str):
+            pass
+
+        class QNetworkRequest:
+            def __init__(self, url):
+                self.url = url
+
+        class QNetworkReply:
+            def __init__(self):
+                self._data = b""
+
+            def readAll(self):
+                return self._data
+
+            def error(self):
+                return 0
+
+        def exec_dialog(dialog):
+            return YES
+