在使用sqlite运行测试时升级到django 1.4后出现此错误:
Creating test database for alias 'default'...
Problem installing fixture '/home/devasia/pyserver/project/mysite/app/fixtures/test_data.json': Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py", line 196, in handle
obj.save(using=using)
File "/usr/local/lib/python2.7/dist-packages/django/core/serializers/base.py", line 165, in save
models.Model.save_base(self.object, using=using, raw=True)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py", line 529, in save_base
rows = manager.using(using).filter(pk=pk_val)._update(values)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py", line 557, in _update
return query.get_compiler(self.db).execute_sql(None)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py", line 986, in execute_sql
cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py", line 818, in execute_sql
cursor.execute(sql, params)
File "/usr/local/lib/python2.7/dist-packages/django/db/backends/sqlite3/base.py", line 337, in execute
return Database.Cursor.execute(self, query, params)
IntegrityError: Could not load auth.Permission(pk=31): columns content_type_id, codename are not unique
----------------------------------------------------------------------
Ran 1 test in 0.011s
OK
Destroying test database for alias 'default'...
这是我的示例测试用例:
class CheckTest(TestCase):
fixtures = ['test_data.json']
def test_check(self):
c = Client()
c.login(username = 'test', password = 'test')
灯具不是旧版本的灯具。我从'syncdb'命令开始使用django 1.4创建了这个fixture。如果我使用postgresql作为我的测试数据库(测试运行速度很慢),测试运行良好。 升级时我错过了什么吗?我找到了https://code.djangoproject.com/ticket/14731,但无法解决问题。 (请注意,旧项目中唯一的代码/数据是模型)
由于