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# coding=utf-8
from __future__ import unicode_literals
from tests.testcase import BaseTestCase
from clickhouse_driver import errors
class StringTestCase(BaseTestCase):
def test_unicode(self):
data = [('яндекс', )]
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, 'яндекс\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_non_utf(self):
data = [('яндекс'.encode('koi8-r'), )]
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, encoding='koi8-r')
self.assertEqual(inserted, 'яндекс\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_null_byte_in_the_middle(self):
data = [('a\x00b', )]
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, 'a\\0b\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_nullable(self):
with self.create_table('a Nullable(String)'):
data = [(None, ), ('test', ), (None, ), ('nullable', )]
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '\\N\ntest\n\\N\nnullable\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_buffer_reader(self):
data = [('a' * 300, )] * 300
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_compressed_client(self):
with self.created_client(compression=True) as client:
data = [('a' * 300, )]
with self.create_table('a String'):
client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = client.execute(query)
self.assertEqual(inserted, data)
def test_custom_encoding(self):
settings = {'strings_encoding': 'cp1251'}
data = [(('яндекс'), ), (('test'), )]
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data, settings=settings
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, encoding='cp1251')
self.assertEqual(inserted, 'яндекс\ntest\n')
inserted = self.client.execute(query, settings=settings)
self.assertEqual(inserted, data)
self.assertIsInstance(inserted[0][0], str)
self.assertIsInstance(inserted[1][0], str)
def test_not_supported_types(self):
datas = [
[(bytearray(b'asd'), )],
[(123, )]
]
with self.create_table('a String'):
for data in datas:
with self.assertRaises(errors.TypeMismatchError) as e:
self.client.execute(
'INSERT INTO test (a) VALUES', data,
types_check=True
)
self.assertIn('for column "a"', str(e.exception))
with self.assertRaises(AttributeError):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
class ByteStringTestCase(BaseTestCase):
client_kwargs = {'settings': {'strings_as_bytes': True}}
def test_not_decoded(self):
data = [
(bytes('яндекс'.encode('cp1251')), ),
(bytes('test'.encode('cp1251')), ),
]
with self.create_table('a String'):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, encoding='cp1251')
self.assertEqual(inserted, 'яндекс\ntest\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
self.assertIsInstance(inserted[0][0], bytes)
self.assertIsInstance(inserted[1][0], bytes)
def test_nullable(self):
with self.create_table('a Nullable(String)'):
data = [(None, ), (b'test', ), (None, ), (b'nullable', )]
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '\\N\ntest\n\\N\nnullable\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_not_supported_types(self):
datas = [
[('asd', )],
[(bytearray(b'asd'), )],
[(123, )]
]
with self.create_table('a String'):
for data in datas:
with self.assertRaises(errors.TypeMismatchError) as e:
self.client.execute(
'INSERT INTO test (a) VALUES', data,
types_check=True
)
self.assertIn('for column "a"', str(e.exception))
with self.assertRaises(ValueError) as e:
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
self.assertIn('bytes object expected', str(e.exception))
|
