allenling / django-easy-fixture

easy to create a django fixture

django-easy-fixture

python2.7, python3.5

1.8<= Django <= 1.10

install: pip install django-easy-fixture

That is a easy, simple tool to help you to fill your fixture dict with some spam datas

Make your fixture dict to be a completely available django fixture that you do not have to worry about any unqiue, unqie_together, just pk

The pk must be defined by you!

Just support all the fields defined by Django, and do not support any customization field.

Maybe support the customization field in the future.

1. get a fixture dict

# in template.py
fixtures_template={'auth.User': [{'pk': 1}]}

# in other.py
from easy_fixture.easy_fixture import EasyFixture
from template import fixtures_template

ef = EasyFixture(fixtures_template)
fixtures_dict = ef.output()

2. use as a django app command

# in template.py
fixtures_template = {'auth.User': [{'pk': 1}]}

# in your settings.py
INSTALLED_APPS = ('other apps',
                  'easy_fixture',
                  )

run make_fixture command

python manage.py make_fixture template.fixtures_template > /path/to/fixture.json

Must pass the module path and fixture variable, like module.to.fixture.Variable_name

do not support old style

python manage.py make_fixture template > /path/to/fixture.json

3. use in test

In your testCase, call EasyFixture.load_into_testcase in your setUpTestData, setUpClass, setUp or anywhere you want to load your fixture data.

FIXTURE_DICT = {'auth.User': [{'pk': 1}]}

class MyTestCase(TestCase):

    @classmethod
    def setUpTestData(cls):
        ef = EasyFixture(FIXTURE_DICT)
        ef.load_into_testcase()
        TestCase.setUpTestData()

    def tes_what_you_want(self):
        pass

deprecated

from easy_fixture.easy_fixture import FixtureFileGen

class MyCase(TestCase):
   fixtures = FixtureFileGen(['my.fixture.template.module'])

4. how to loaddata to db

Creating a temp file, and call loaddata command for now.

And, maybe we could simply

1. disable database constraint check
2. call serializers.deserialize to deserialize fixture datas, and save all objects
3. check constraint after we have save all objects
4. finally, reset database sequence

# disable database constraint check
with connection.constraint_checks_disabled():
    # save objects
    objects = serializers.deserialize(ser_fmt, fixture_data, using=self.using, ignorenonexistent=self.ignore)
    for obj in objects:
        obj.save()

# check constraints
connection.check_constraints(table_names=table_names)

# reset sequence
sequence_sql = connection.ops.sequence_reset_sql(no_style(), self.models)