forked from openlp/openlp
105 lines
4.0 KiB
Python
105 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2018 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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Package to test the openlp.core.common.db package.
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"""
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import gc
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import os
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import shutil
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import time
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from tempfile import mkdtemp
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from unittest import TestCase
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import sqlalchemy
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from openlp.core.common.db import drop_column, drop_columns
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from openlp.core.lib.db import get_upgrade_op, init_db
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from tests.utils.constants import TEST_RESOURCES_PATH
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class TestUtilsDBFunctions(TestCase):
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def setUp(self):
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"""
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Create temp folder for keeping db file
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"""
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self.tmp_folder = mkdtemp()
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db_path = os.path.join(TEST_RESOURCES_PATH, 'songs', 'songs-1.9.7.sqlite')
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self.db_tmp_path = os.path.join(self.tmp_folder, 'songs-1.9.7.sqlite')
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shutil.copyfile(db_path, self.db_tmp_path)
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db_url = 'sqlite:///' + self.db_tmp_path
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self.session, metadata = init_db(db_url)
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self.op = get_upgrade_op(self.session)
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def tearDown(self):
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"""
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Clean up
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"""
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self.session.close()
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self.session = None
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gc.collect()
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retries = 0
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while retries < 5:
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try:
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if os.path.exists(self.tmp_folder):
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shutil.rmtree(self.tmp_folder)
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break
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except Exception:
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time.sleep(1)
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retries += 1
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def test_delete_column(self):
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"""
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Test deleting a single column in a table
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"""
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# GIVEN: A temporary song db
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# WHEN: Deleting a columns in a table
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drop_column(self.op, 'songs', 'song_book_id')
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# THEN: The column should have been deleted
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meta = sqlalchemy.MetaData(bind=self.op.get_bind())
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meta.reflect()
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columns = meta.tables['songs'].columns
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for column in columns:
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if column.name == 'song_book_id':
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self.fail("The column 'song_book_id' should have been deleted.")
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def test_delete_columns(self):
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"""
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Test deleting multiple columns in a table
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"""
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# GIVEN: A temporary song db
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# WHEN: Deleting a columns in a table
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drop_columns(self.op, 'songs', ['song_book_id', 'song_number'])
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# THEN: The columns should have been deleted
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meta = sqlalchemy.MetaData(bind=self.op.get_bind())
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meta.reflect()
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columns = meta.tables['songs'].columns
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for column in columns:
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if column.name == 'song_book_id' or column.name == 'song_number':
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self.fail("The column '%s' should have been deleted." % column.name)
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