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111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
import locale
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import os
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from django.db.backends.postgresql.client import DatabaseClient
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from django.test import SimpleTestCase, mock
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from django.utils.encoding import force_bytes, force_str
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class PostgreSqlDbshellCommandTestCase(SimpleTestCase):
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def _run_it(self, dbinfo):
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"""
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That function invokes the runshell command, while mocking
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subprocess.call. It returns a 2-tuple with:
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- The command line list
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- The binary content of file pointed by environment PGPASSFILE, or
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None.
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"""
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def _mock_subprocess_call(*args):
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self.subprocess_args = list(*args)
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if 'PGPASSFILE' in os.environ:
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with open(os.environ['PGPASSFILE'], 'rb') as f:
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self.pgpass = f.read().strip() # ignore line endings
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else:
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self.pgpass = None
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return 0
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self.subprocess_args = None
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self.pgpass = None
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with mock.patch('subprocess.call', new=_mock_subprocess_call):
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DatabaseClient.runshell_db(dbinfo)
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return self.subprocess_args, self.pgpass
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def test_basic(self):
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self.assertEqual(
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self._run_it({
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'database': 'dbname',
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'user': 'someuser',
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'password': 'somepassword',
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'host': 'somehost',
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'port': '444',
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}), (
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['psql', '-U', 'someuser', '-h', 'somehost', '-p', '444', 'dbname'],
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b'somehost:444:dbname:someuser:somepassword',
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)
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)
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def test_nopass(self):
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self.assertEqual(
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self._run_it({
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'database': 'dbname',
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'user': 'someuser',
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'host': 'somehost',
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'port': '444',
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}), (
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['psql', '-U', 'someuser', '-h', 'somehost', '-p', '444', 'dbname'],
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None,
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)
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)
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def test_column(self):
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self.assertEqual(
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self._run_it({
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'database': 'dbname',
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'user': 'some:user',
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'password': 'some:password',
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'host': '::1',
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'port': '444',
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}), (
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['psql', '-U', 'some:user', '-h', '::1', '-p', '444', 'dbname'],
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b'\\:\\:1:444:dbname:some\\:user:some\\:password',
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)
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)
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def test_escape_characters(self):
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self.assertEqual(
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self._run_it({
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'database': 'dbname',
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'user': 'some\\user',
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'password': 'some\\password',
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'host': 'somehost',
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'port': '444',
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}), (
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['psql', '-U', 'some\\user', '-h', 'somehost', '-p', '444', 'dbname'],
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b'somehost:444:dbname:some\\\\user:some\\\\password',
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)
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)
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def test_accent(self):
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# The pgpass temporary file needs to be encoded using the system locale.
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encoding = locale.getpreferredencoding()
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username = 'rôle'
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password = 'sésame'
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username_str = force_str(username, encoding)
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password_str = force_str(password, encoding)
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pgpass_bytes = force_bytes(
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'somehost:444:dbname:%s:%s' % (username, password),
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encoding=encoding,
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)
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self.assertEqual(
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self._run_it({
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'database': 'dbname',
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'user': username_str,
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'password': password_str,
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'host': 'somehost',
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'port': '444',
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}), (
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['psql', '-U', username_str, '-h', 'somehost', '-p', '444', 'dbname'],
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pgpass_bytes,
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)
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)
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