1# The MIT License (MIT) 2# 3# Copyright (c) 2016 Damien Lespiau 4# 5# SPDX-License-Identifier: MIT 6# 7# Permission is hereby granted, free of charge, to any person obtaining a copy 8# of this software and associated documentation files (the "Software"), to deal 9# in the Software without restriction, including without limitation the rights 10# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11# copies of the Software, and to permit persons to whom the Software is 12# furnished to do so, subject to the following conditions: 13# 14# The above copyright notice and this permission notice shall be included in 15# all copies or substantial portions of the Software. 16# 17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23# SOFTWARE. 24 25import sys 26 27try: 28 from StringIO import StringIO 29except ImportError: 30 from io import StringIO 31 32from contextlib import contextmanager 33 34from django.core import management 35from django.test import TestCase 36 37 38@contextmanager 39def capture(command, *args, **kwargs): 40 out, sys.stdout = sys.stdout, StringIO() 41 command(*args, **kwargs) 42 sys.stdout.seek(0) 43 yield sys.stdout.read() 44 sys.stdout = out 45 46 47def makemigrations(): 48 management.call_command('makemigrations') 49 50 51class MigrationTest(TestCase): 52 53 def testPendingMigration(self): 54 """Make sure there's no pending migration.""" 55 56 with capture(makemigrations) as output: 57 self.assertEqual(output, "No changes detected\n") 58