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https://github.com/Infinidat/infi.clickhouse_orm.git
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57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
from __future__ import unicode_literals
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import unittest
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from infi.clickhouse_orm.database import Database
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from infi.clickhouse_orm.fields import Field, Int16Field
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from infi.clickhouse_orm.models import Model
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from infi.clickhouse_orm.engines import Memory
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class CustomFieldsTest(unittest.TestCase):
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def setUp(self):
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self.database = Database('test-db')
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def tearDown(self):
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self.database.drop_database()
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def test_boolean_field(self):
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# Create a model
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class TestModel(Model):
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i = Int16Field()
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f = BooleanField()
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engine = Memory()
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self.database.create_table(TestModel)
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# Check valid values
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for index, value in enumerate([1, '1', True, 0, '0', False]):
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rec = TestModel(i=index, f=value)
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self.database.insert([rec])
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self.assertEqual([rec.f for rec in TestModel.objects_in(self.database).order_by('i')],
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[True, True, True, False, False, False])
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# Check invalid values
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for value in [None, 'zzz', -5, 7]:
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with self.assertRaises(ValueError):
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TestModel(i=1, f=value)
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class BooleanField(Field):
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# The ClickHouse column type to use
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db_type = 'UInt8'
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# The default value if empty
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class_default = False
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def to_python(self, value, timezone_in_use):
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# Convert valid values to bool
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if value in (1, '1', True):
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return True
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elif value in (0, '0', False):
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return False
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else:
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raise ValueError('Invalid value for BooleanField: %r' % value)
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def to_db_string(self, value, quote=True):
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# The value was already converted by to_python, so it's a bool
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return '1' if value else '0'
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