infi.clickhouse_orm/tests/test_array_fields.py

79 lines
2.8 KiB
Python

from __future__ import unicode_literals
import unittest
from datetime import date
from infi.clickhouse_orm.database import Database
from infi.clickhouse_orm.models import Model
from infi.clickhouse_orm.fields import *
from infi.clickhouse_orm.engines import *
class ArrayFieldsTest(unittest.TestCase):
def setUp(self):
self.database = Database('test-db')
self.database.create_table(ModelWithArrays)
def tearDown(self):
self.database.drop_database()
def test_insert_and_select(self):
instance = ModelWithArrays(
date_field='2016-08-30',
arr_str=['goodbye,', 'cruel', 'world', 'special chars: ,"\\\'` \n\t\\[]'],
arr_date=['2010-01-01'],
)
self.database.insert([instance])
query = 'SELECT * from $db.modelwitharrays ORDER BY date_field'
for model_cls in (ModelWithArrays, None):
results = list(self.database.select(query, model_cls))
self.assertEqual(len(results), 1)
self.assertEqual(results[0].arr_str, instance.arr_str)
self.assertEqual(results[0].arr_int, instance.arr_int)
self.assertEqual(results[0].arr_date, instance.arr_date)
def test_conversion(self):
instance = ModelWithArrays(
arr_int=('1', '2', '3'),
arr_date=['2010-01-01']
)
self.assertEqual(instance.arr_str, [])
self.assertEqual(instance.arr_int, [1, 2, 3])
self.assertEqual(instance.arr_date, [date(2010, 1, 1)])
def test_assignment_error(self):
instance = ModelWithArrays()
for value in (7, 'x', [date.today()], ['aaa'], [None]):
with self.assertRaises(ValueError):
instance.arr_int = value
def test_parse_array(self):
from infi.clickhouse_orm.utils import parse_array, unescape
self.assertEqual(parse_array("[]"), [])
self.assertEqual(parse_array("[1, 2, 395, -44]"), ["1", "2", "395", "-44"])
self.assertEqual(parse_array("['big','mouse','','!']"), ["big", "mouse", "", "!"])
self.assertEqual(parse_array(unescape("['\\r\\n\\0\\t\\b']")), ["\r\n\0\t\b"])
for s in ("",
"[",
"]",
"[1, 2",
"3, 4]",
"['aaa', 'aaa]"):
with self.assertRaises(ValueError):
parse_array(s)
def test_invalid_inner_field(self):
for x in (DateField, None, "", ArrayField(Int32Field())):
with self.assertRaises(AssertionError):
ArrayField(x)
class ModelWithArrays(Model):
date_field = DateField()
arr_str = ArrayField(StringField())
arr_int = ArrayField(Int32Field())
arr_date = ArrayField(DateField())
engine = MergeTree('date_field', ('date_field',))