Files
peewee/tests/extra_fields.py
2018-02-27 13:46:59 -06:00

58 lines
1.5 KiB
Python

from peewee import *
from playhouse.fields import CompressedField
from playhouse.fields import PickleField
from .base import db
from .base import ModelTestCase
from .base import TestModel
class Comp(TestModel):
key = TextField()
data = CompressedField()
class Pickled(TestModel):
key = TextField()
data = PickleField()
class TestCompressedField(ModelTestCase):
requires = [Comp]
def test_compressed_field(self):
a = b'a' * 1024
b = b'b' * 1024
Comp.create(data=a, key='a')
Comp.create(data=b, key='b')
a_db = Comp.get(Comp.key == 'a')
self.assertEqual(a_db.data, a)
b_db = Comp.get(Comp.key == 'b')
self.assertEqual(b_db.data, b)
# Get at the underlying data.
CompTbl = Table('comp', ('id', 'data', 'key')).bind(self.database)
obj = CompTbl.select().where(CompTbl.key == 'a').get()
self.assertEqual(obj['key'], 'a')
# Ensure that the data actually was compressed.
self.assertTrue(len(obj['data']) < 1024)
class TestPickleField(ModelTestCase):
requires = [Pickled]
def test_pickle_field(self):
a = {'k1': 'v1', 'k2': [0, 1, 2], 'k3': None}
b = 'just a string'
Pickled.create(data=a, key='a')
Pickled.create(data=b, key='b')
a_db = Pickled.get(Pickled.key == 'a')
self.assertEqual(a_db.data, a)
b_db = Pickled.get(Pickled.key == 'b')
self.assertEqual(b_db.data, b)