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https://github.com/Infinidat/infi.clickhouse_orm.git
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89 lines
3.2 KiB
Python
89 lines
3.2 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.models import Model
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from infi.clickhouse_orm.fields import *
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from infi.clickhouse_orm.engines import *
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try:
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Enum # exists in Python 3.4+
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except NameError:
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from enum import Enum # use the enum34 library instead
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class EnumFieldsTest(unittest.TestCase):
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def setUp(self):
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self.database = Database('test-db')
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self.database.create_table(ModelWithEnum)
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self.database.create_table(ModelWithEnumArray)
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def tearDown(self):
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self.database.drop_database()
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def test_insert_and_select(self):
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self.database.insert([
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ModelWithEnum(date_field='2016-08-30', enum_field=Fruit.apple),
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ModelWithEnum(date_field='2016-08-31', enum_field=Fruit.orange)
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])
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query = 'SELECT * from $table ORDER BY date_field'
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results = list(self.database.select(query, ModelWithEnum))
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self.assertEqual(len(results), 2)
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self.assertEqual(results[0].enum_field, Fruit.apple)
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self.assertEqual(results[1].enum_field, Fruit.orange)
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def test_ad_hoc_model(self):
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self.database.insert([
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ModelWithEnum(date_field='2016-08-30', enum_field=Fruit.apple),
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ModelWithEnum(date_field='2016-08-31', enum_field=Fruit.orange)
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])
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query = 'SELECT * from $db.modelwithenum ORDER BY date_field'
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results = list(self.database.select(query))
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self.assertEqual(len(results), 2)
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self.assertEqual(results[0].enum_field.name, Fruit.apple.name)
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self.assertEqual(results[0].enum_field.value, Fruit.apple.value)
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self.assertEqual(results[1].enum_field.name, Fruit.orange.name)
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self.assertEqual(results[1].enum_field.value, Fruit.orange.value)
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def test_conversion(self):
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self.assertEqual(ModelWithEnum(enum_field=3).enum_field, Fruit.orange)
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self.assertEqual(ModelWithEnum(enum_field='apple').enum_field, Fruit.apple)
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self.assertEqual(ModelWithEnum(enum_field=Fruit.banana).enum_field, Fruit.banana)
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def test_assignment_error(self):
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for value in (0, 17, 'pear', '', None, 99.9):
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with self.assertRaises(ValueError):
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ModelWithEnum(enum_field=value)
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def test_default_value(self):
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instance = ModelWithEnum()
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self.assertEqual(instance.enum_field, Fruit.apple)
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def test_enum_array(self):
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instance = ModelWithEnumArray(date_field='2016-08-30', enum_array=[Fruit.apple, Fruit.apple, Fruit.orange])
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self.database.insert([instance])
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query = 'SELECT * from $table ORDER BY date_field'
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results = list(self.database.select(query, ModelWithEnumArray))
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self.assertEqual(len(results), 1)
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self.assertEqual(results[0].enum_array, instance.enum_array)
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Fruit = Enum('Fruit', u'apple banana orange')
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class ModelWithEnum(Model):
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date_field = DateField()
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enum_field = Enum8Field(Fruit)
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engine = MergeTree('date_field', ('date_field',))
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class ModelWithEnumArray(Model):
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date_field = DateField()
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enum_array = ArrayField(Enum16Field(Fruit))
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engine = MergeTree('date_field', ('date_field',))
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