Django 1.8測試問題：ProgrammingError：關係「auth_user」不存在

Question

我最近將Django升級到1.8，併爲新的開始建立了一個新的開發數據庫。遷移和依賴性進行得很順利，可以避免你得到的常見錯誤，並最終解決問題。該應用程序現在在本地工作就好了。

python manage.py test 

這是我收到的錯誤：

但是，試圖運行測試時，我得到一個錯誤

django.db.utils.ProgrammingError: relation "auth_user" does not exist 

不用說，Django的驗證模塊確實安裝在應用中遷移，所以我不確定發生了什麼。

這裏是萬一全堆棧跟蹤你需要它來偷看，但它簡化版，說什麼，甚至遠程對我有幫助找出這個錯誤的原因：

Traceback (most recent call last): 
    File "C:/Users/dabadaba/PycharmProjects/dogpatchsports_com/mysite/manage_sched_dev.py", line 10, in <module> 
    execute_from_command_line(sys.argv) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\__init__.py", line 354, in execute_from_command_line 
    utility.execute() 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\__init__.py", line 346, in execute 
    self.fetch_command(subcommand).run_from_argv(self.argv) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\commands\test.py", line 30, in run_from_argv 
    super(Command, self).run_from_argv(argv) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\base.py", line 394, in run_from_argv 
    self.execute(*args, **cmd_options) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\commands\test.py", line 74, in execute 
    super(Command, self).execute(*args, **options) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\base.py", line 445, in execute 
    output = self.handle(*args, **options) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\commands\test.py", line 90, in handle 
    failures = test_runner.run_tests(test_labels) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\test\runner.py", line 210, in run_tests 
    old_config = self.setup_databases() 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\test\runner.py", line 166, in setup_databases 
    **kwargs 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\test\runner.py", line 370, in setup_databases 
    serialize=connection.settings_dict.get("TEST", {}).get("SERIALIZE", True), 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\db\backends\base\creation.py", line 368, in create_test_db 
    test_flush=not keepdb, 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\__init__.py", line 120, in call_command 
    return command.execute(*args, **defaults) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\base.py", line 445, in execute 
    output = self.handle(*args, **options) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\commands\migrate.py", line 179, in handle 
    created_models = self.sync_apps(connection, executor.loader.unmigrated_apps) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\core\management\commands\migrate.py", line 318, in sync_apps 
    cursor.execute(statement) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\db\backends\utils.py", line 64, in execute 
    return self.cursor.execute(sql, params) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\db\utils.py", line 98, in __exit__ 
    six.reraise(dj_exc_type, dj_exc_value, traceback) 
    File "C:\Users\dabadaba\Envs\django18\lib\site-packages\django\db\backends\utils.py", line 62, in execute 
    return self.cursor.execute(sql) 
django.db.utils.ProgrammingError: relation "auth_user" does not exist 

我可以找出一個解決方法this answer阻止測試任務運行migrate，根據我一直在讀的應該是發生錯誤的地方。奇怪的是，因爲當我運行migrate一切都很好。

但是，我寧願不訴諸厚顏無恥的解決辦法，堅持按照他們的設計做事。另外，這個錯誤可能暗示別的東西實際上是錯的，應該修正。

一些解決方案建議運行：

python manage.py migrate auth 
python manage.py migrate 

但是，這並沒有什麼，因爲有在我的項目沒有掛起的遷移。

我該如何解決這個神祕的問題？

Answer 1

如果您有有外鍵auth.User任何應用程序，那麼請確保這些應用程序的初始遷移對應用權威性一個dependency：

class Migration(migrations.Migration): 

    dependencies = [('auth', '__first__')]