Fix up tests and amened Register

openlp/core/lib/registry.py

@@ -30,6 +30,7 @@
 Provide Registry Services
 """
 import logging
+import sys
 
 log = logging.getLogger(__name__)
 
@@ -54,8 +55,13 @@ class Registry(object):
         log.info(u'Registry Initialising')
         registry = cls()
         registry.service_list = {}
+        registry.running_under_test = False
+        # Allow the tests to remove Registry entries but not the live system
+        if u'nosetest' in sys.argv[0]:
+            registry.running_under_test = True
         return registry
 
+
     def get(self, key):
         """
         Extracts the registry value from the list based on the key passed in
@@ -75,3 +81,16 @@ class Registry(object):
             raise KeyError(u'Duplicate service exception %s' % key)
         else:
             self.service_list[key] = reference
+
+    def remove(self, key):
+        """
+        Removes the registry value from the list based on the key passed in
+        (Only valid and active for testing framework)
+        """
+        if self.running_under_test == False:
+            log.error(u'Invalid Method call for key %s' % key)
+            raise KeyError(u'Invalid Method call for key %s' % key)
+            return
+        if key in self.service_list:
+             del self.service_list[key]
+

tests/functional/openlp_core_lib/test_registry.py

@@ -38,3 +38,11 @@ class TestRegistry(TestCase):
             temp = Registry().get(u'test2')
         self.assertEqual(context.exception[0], u'Service test2 not found in list',
             u'The correct exception has been thrown')
+
+        # WHEN I try to replace a component I should be allowed (testing only)
+        Registry().remove(u'test1')
+        # THEN I will get an exception
+        with self.assertRaises(KeyError) as context:
+            temp = Registry().get(u'test1')
+        self.assertEqual(context.exception[0], u'Service test1 not found in list',
+            u'The correct exception has been thrown as I deleted it!')

tests/functional/openlp_core_lib/test_serviceitem.py

@@ -29,11 +29,10 @@ class TestServiceItem(TestCase):
         Set up the Registry
         """
         registry = Registry.create()
-        mocked_renderer =  MagicMock()
+        mocked_renderer = MagicMock()
-        mocked_image_manager =  MagicMock()
         mocked_renderer.format_slide.return_value = [VERSE]
         Registry().register(u'renderer', mocked_renderer)
-        Registry().register(u'image_manager', mocked_image_manager)
+        Registry().register(u'image_manager', MagicMock())
 
     def serviceitem_basic_test(self):
         """

tests/functional/openlp_core_ui/test_starttimedialog.py

@@ -60,7 +60,7 @@ class TestStartTimeDialog(TestCase):
         self.form.item = {u'service_item': mocked_serviceitem}
         with patch(u'PyQt4.QtGui.QDialog') as mocked_exec:
             self.form.exec_()
-        okWidget = self.form.buttonBox.button(self.form.buttonBox.Ok)
+        okWidget = self.form.button_box.button(self.form.button_box.Ok)
         QtTest.QTest.mouseClick(okWidget, QtCore.Qt.LeftButton)
 
         # THEN the following input values are returned
@@ -75,7 +75,7 @@ class TestStartTimeDialog(TestCase):
             self.form.exec_()
         self.form.minuteSpinBox.setValue(2)
         self.form.secondSpinBox.setValue(3)
-        okWidget = self.form.buttonBox.button(self.form.buttonBox.Ok)
+        okWidget = self.form.button_box.button(self.form.button_box.Ok)
         QtTest.QTest.mouseClick(okWidget, QtCore.Qt.LeftButton)
 
         # THEN the following values are returned