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from pathlib import Path
from subprocess import CompletedProcess
from unittest import mock, skipUnless
from django.db import connection
from django.db.backends.sqlite3.client import DatabaseClient
from django.test import SimpleTestCase
@skipUnless(connection.vendor == 'sqlite', 'SQLite tests.')
class SqliteDbshellCommandTestCase(SimpleTestCase):
def _run_dbshell(self, parameters=None):
"""Run runshell command and capture its arguments."""
def _mock_subprocess_run(*args, **kwargs):
self.subprocess_args = list(*args)
return CompletedProcess(self.subprocess_args, 0)
if parameters is None:
parameters = []
client = DatabaseClient(connection)
with mock.patch('subprocess.run', new=_mock_subprocess_run):
client.runshell(parameters)
return self.subprocess_args
def test_path_name(self):
with mock.patch.dict(
connection.settings_dict,
{'NAME': Path('test.db.sqlite3')},
):
self.assertEqual(
self._run_dbshell(),
['sqlite3', 'test.db.sqlite3'],
)
def test_parameters(self):
with mock.patch.dict(
connection.settings_dict,
{'NAME': Path('test.db.sqlite3')},
):
self.assertEqual(
self._run_dbshell(['-help']),
['sqlite3', 'test.db.sqlite3', '-help'],
)
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