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from io import BytesIO
from unittest.mock import mock_open, patch
from django.db import connection
from django.test import TestCase
from dbbackup.db.sqlite import SqliteConnector, SqliteCPConnector
from dbbackup.tests.testapp.models import CharModel, TextModel
class SqliteConnectorTest(TestCase):
def test_write_dump(self):
dump_file = BytesIO()
connector = SqliteConnector()
connector._write_dump(dump_file)
dump_file.seek(0)
for line in dump_file:
self.assertTrue(line.strip().endswith(b";"))
def test_create_dump(self):
connector = SqliteConnector()
dump = connector.create_dump()
self.assertTrue(dump.read())
def test_create_dump_with_unicode(self):
CharModel.objects.create(field="\xe9")
connector = SqliteConnector()
dump = connector.create_dump()
self.assertTrue(dump.read())
def test_create_dump_with_newline(self):
TextModel.objects.create(
field=f'INSERT ({"foo" * 5000}\nbar\n WHERE \nbaz IS\n "great" );\n'
)
connector = SqliteConnector()
dump = connector.create_dump()
self.assertTrue(dump.read())
def test_restore_dump(self):
TextModel.objects.create(field="T\nf\nw\nnl")
connector = SqliteConnector()
dump = connector.create_dump()
connector.restore_dump(dump)
def test_create_dump_with_virtual_tables(self):
with connection.cursor() as c:
c.execute("CREATE VIRTUAL TABLE lookup USING fts5(field)")
connector = SqliteConnector()
dump = connector.create_dump()
self.assertTrue(dump.read())
@patch("dbbackup.db.sqlite.open", mock_open(read_data=b"foo"), create=True)
class SqliteCPConnectorTest(TestCase):
def test_create_dump(self):
connector = SqliteCPConnector()
dump = connector.create_dump()
dump_content = dump.read()
self.assertTrue(dump_content)
self.assertEqual(dump_content, b"foo")
def test_restore_dump(self):
connector = SqliteCPConnector()
dump = connector.create_dump()
connector.restore_dump(dump)
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