Add test for enabled state of relation value widget

Author: m-kuhn

tests/src/python/test_qgseditwidgets.py

@@ -26,8 +26,6 @@
 
 class TestQgsTextEditWidget(unittest.TestCase):
 
-    VALUEMAP_NULL_TEXT = "{2839923C-8B7D-419E-B84B-CA2FE9B80EC7}"
-
     @classmethod
     def setUpClass(cls):
         QgsGui.editorWidgetRegistry().initEditors()
@@ -39,8 +37,8 @@ def createLayerWithOnePoint(self):
         f = QgsFeature()
         f.setAttributes(["test", 123])
         f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(100, 200)))
-        assert pr.addFeatures([f])
-        assert self.layer.pendingFeatureCount() == 1
+        self.assertTrue(pr.addFeatures([f]))
+        self.assertEqual(self.layer.pendingFeatureCount(), 1)
         return self.layer
 
     def doAttributeTest(self, idx, expected):
@@ -50,16 +48,16 @@ def doAttributeTest(self, idx, expected):
         editwidget = reg.create('TextEdit', self.layer, idx, config, None, None)
 
         editwidget.setValue('value')
-        assert editwidget.value() == expected[0]
+        self.assertEqual(editwidget.value(), expected[0])
 
         editwidget.setValue(123)
-        assert editwidget.value() == expected[1]
+        self.assertEqual(editwidget.value(), expected[1])
 
         editwidget.setValue(None)
-        assert editwidget.value() == expected[2]
+        self.assertEqual(editwidget.value(), expected[2])
 
         editwidget.setValue(NULL)
-        assert editwidget.value() == expected[3]
+        self.assertEqual(editwidget.value(), expected[3])
 
     def test_SetValue(self):
         self.createLayerWithOnePoint()
@@ -70,7 +68,7 @@ def test_SetValue(self):
     def testStringWithMaxLen(self):
         """ tests that text edit wrappers correctly handle string fields with a maximum length """
         layer = QgsVectorLayer("none?field=fldint:integer", "layer", "memory")
-        assert layer.isValid()
+        self.assertTrue(layer.isValid())
         layer.dataProvider().addAttributes([QgsField('max', QVariant.String, 'string', 10),
                                             QgsField('nomax', QVariant.String, 'string', 0)])
         layer.updateFields()
@@ -94,9 +92,29 @@ def testStringWithMaxLen(self):
 
         QgsProject.instance().removeAllMapLayers()
 
+
+class TestQgsValueRelationWidget(unittest.TestCase):
+
+    def test_enableDisable(self):
+        reg = QgsGui.editorWidgetRegistry()
+        layer = QgsVectorLayer("none?field=number:integer", "layer", "memory")
+        wrapper = reg.create('ValueRelation', layer, 0, {}, None, None)
+
+        widget = wrapper.widget()
+
+        self.assertTrue(widget.isEnabled())
+        wrapper.setEnabled(False)
+        self.assertFalse(widget.isEnabled())
+        wrapper.setEnabled(True)
+        self.assertTrue(widget.isEnabled())
+
+
+class TestQgsValueMapEditWidget(unittest.TestCase):
+    VALUEMAP_NULL_TEXT = "{2839923C-8B7D-419E-B84B-CA2FE9B80EC7}"
+
     def test_ValueMap_set_get(self):
         layer = QgsVectorLayer("none?field=number:integer", "layer", "memory")
-        assert layer.isValid()
+        self.assertTrue(layer.isValid())
         QgsProject.instance().addMapLayer(layer)
         reg = QgsGui.editorWidgetRegistry()
         configWdg = reg.createConfigWidget('ValueMap', layer, 0, None)
@@ -110,4 +128,6 @@ def test_ValueMap_set_get(self):
         self.assertEqual(configWdg.config(), config)
 
         QgsProject.instance().removeAllMapLayers()
+
+if __name__ == "__main__":
     unittest.main()