Forgot to add test file

tests/functional/openlp_core_ui/test_listpreviewwidget.py

@@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
+
+###############################################################################
+# OpenLP - Open Source Lyrics Projection                                      #
+# --------------------------------------------------------------------------- #
+# Copyright (c) 2008-2014 Raoul Snyman                                        #
+# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan      #
+# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub,      #
+# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer.   #
+# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru,          #
+# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith,             #
+# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock,              #
+# Frode Woldsund, Martin Zibricky, Patrick Zimmermann                         #
+# --------------------------------------------------------------------------- #
+# This program is free software; you can redistribute it and/or modify it     #
+# under the terms of the GNU General Public License as published by the Free  #
+# Software Foundation; version 2 of the License.                              #
+#                                                                             #
+# This program is distributed in the hope that it will be useful, but WITHOUT #
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for    #
+# more details.                                                               #
+#                                                                             #
+# You should have received a copy of the GNU General Public License along     #
+# with this program; if not, write to the Free Software Foundation, Inc., 59  #
+# Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
+###############################################################################
+"""
+Package to test the openlp.core.ui.listpreviewwidget package.
+"""
+from unittest import TestCase
+from openlp.core.ui.listpreviewwidget import ListPreviewWidget
+
+from tests.functional import patch
+
+
+class TestListPreviewWidget(TestCase):
+
+    def setUp(self):
+        """
+        Mock out stuff for all the tests
+        """
+        self.setup_patcher = patch('openlp.core.ui.listpreviewwidget.ListPreviewWidget._setup')
+        self.mocked_setup = self.setup_patcher.start()
+
+    def tearDown(self):
+        """
+        Remove the mocks
+        """
+        self.setup_patcher.stop()
+
+    def new_list_preview_widget_test(self):
+        """
+        Test that creating an instance of ListPreviewWidget works
+        """
+        # GIVEN: A ListPreviewWidget class
+
+        # WHEN: An object is created
+        list_preview_widget = ListPreviewWidget(None, 1)
+
+        # THEN: The object is not None, and the _setup() method was called.
+        self.assertIsNotNone(list_preview_widget, 'The ListPreviewWidget object should not be None')
+        self.mocked_setup.assert_called_with(1)