Forgot to add the test file

tests/functional/openlp_plugins/songs/test_openlpimporter.py

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+# -*- coding: utf-8 -*-
+# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
+
+###############################################################################
+# OpenLP - Open Source Lyrics Projection                                      #
+# --------------------------------------------------------------------------- #
+# Copyright (c) 2008-2016 OpenLP Developers                                   #
+# --------------------------------------------------------------------------- #
+# 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                          #
+###############################################################################
+"""
+This module contains tests for the OpenLP song importer.
+"""
+from unittest import TestCase
+
+from openlp.plugins.songs.lib.importers.openlp import OpenLPSongImport
+from openlp.core.common import Registry
+from tests.functional import patch, MagicMock
+
+
+class TestOpenLPImport(TestCase):
+    """
+    Test the functions in the :mod:`openlp` importer module.
+    """
+    def setUp(self):
+        """
+        Create the registry
+        """
+        Registry.create()
+
+    def create_importer_test(self):
+        """
+        Test creating an instance of the OpenLP database importer
+        """
+        # GIVEN: A mocked out SongImport class, and a mocked out "manager"
+        with patch('openlp.plugins.songs.lib.importers.openlp.SongImport'):
+            mocked_manager = MagicMock()
+
+            # WHEN: An importer object is created
+            importer = OpenLPSongImport(mocked_manager, filenames=[])
+
+            # THEN: The importer object should not be None
+            self.assertIsNotNone(importer, 'Import should not be none')
+
+    def invalid_import_source_test(self):
+        """
+        Test OpenLPSongImport.do_import handles different invalid import_source values
+        """
+        # GIVEN: A mocked out SongImport class, and a mocked out "manager"
+        with patch('openlp.plugins.songs.lib.importers.openlp.SongImport'):
+            mocked_manager = MagicMock()
+            mocked_import_wizard = MagicMock()
+            importer = OpenLPSongImport(mocked_manager, filenames=[])
+            importer.import_wizard = mocked_import_wizard
+            importer.stop_import_flag = True
+
+            # WHEN: Import source is not a list
+            for source in ['not a list', 0]:
+                importer.import_source = source
+
+                # THEN: do_import should return none and the progress bar maximum should not be set.
+                self.assertIsNone(importer.do_import(), 'do_import should return None when import_source is not a list')
+                self.assertEqual(mocked_import_wizard.progress_bar.setMaximum.called, False,
+                                 'setMaximum on import_wizard.progress_bar should not have been called')
+