我正在学习Django测试。 我用一个简单的模型编写了一个简单的应用程序,并希望运行测试来检查模型方法的有效性,但在运行测试时收到一条错误消息:
这是models.py
from django.db import models
class Trip(models.Model):
origin = models.CharField(max_length=20)
destination = models.CharField(max_length=20)
def __str__(self):
return self.origin
def is_valid(self):
return self.origin != self.destination
这是test.py
from django.test import TestCase
from .models import Trip
# Create your tests here.
class TripModelTests(TestCase):
def test_trip(self):
a = Trip.objects.create(origin='a', destination='a')
self.assertIs(a.is_valid(), True)
这里是settings.py
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql',
'NAME': 'd57r9kcrhthdc7',
'USER': 'sdqxaruartlvrd',
'PASSWORD': 'e7b8f85611596ed125fe3ed4ea590f821f65e317c17ee7871be75b8130d72378',
'HOST': 'ec2-3-214-46-194.compute-1.amazonaws.com',
'PORT': '5432',
'TEST': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': BASE_DIR / 'db.sqlite3',
}
}
}
下面是我在运行python manage.py测试传输时收到的错误消息
Creating test database for alias 'default'...
Traceback (most recent call last):
File "manage.py", line 22, in <module>
main()
File "manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
utility.execute()
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\commands\test.py", line 23, in run_from_argv
super().run_from_argv(argv)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\base.py", line 330, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\base.py", line 371, in execute
output = self.handle(*args, **options)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\management\commands\test.py", line 53, in handle
failures = test_runner.run_tests(test_labels)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\test\runner.py", line 695, in run_tests
old_config = self.setup_databases(aliases=databases)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\test\runner.py", line 614, in setup_databases
return _setup_databases(
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\test\utils.py", line 170, in setup_databases
connection.creation.create_test_db(
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\base\creation.py", line 55, in create_test_db
self._create_test_db(verbosity, autoclobber, keepdb)
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\base\creation.py", line 172, in _create_test_db
'dbname': self.connection.ops.quote_name(test_database_name),
File "C:\Users\fabia\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\postgresql\operations.py", line 113, in quote_name
if name.startswith('"') and name.endswith('"'):
AttributeError: 'WindowsPath' object has no attribute 'startswith'
如果我只使用默认的django设置并使用sqlite数据库,那么测试就可以正常工作
错误可能是由于
BASE_DIR
路径造成的,在settings.py
中,需要删除斜杠/
,并将其切换到以下位置您可能需要根据
BASE_DIR
内容验证它是否指向正确的位置。调试的一种方法是在数据库命令之后设置ipdb()
,这样一旦使用python manage.py runserver
,就可以轻松地检查DATABASES
结构来源:https://pypi.org/project/ipdb/
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