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|
from enum import IntEnum
from tests.testcase import BaseTestCase
from clickhouse_driver import errors
class A(IntEnum):
hello = -1
world = 2
class B(IntEnum):
foo = -300
bar = 300
class EnumTestCase(BaseTestCase):
def test_simple(self):
columns = (
"a Enum8('hello' = -1, 'world' = 2), "
"b Enum16('foo' = -300, 'bar' = 300)"
)
data = [(A.hello, B.bar), (A.world, B.foo), (-1, 300), (2, -300)]
with self.create_table(columns):
self.client.execute(
'INSERT INTO test (a, b) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, (
'hello\tbar\n'
'world\tfoo\n'
'hello\tbar\n'
'world\tfoo\n'
)
)
inserted = self.client.execute(query)
self.assertEqual(
inserted, [
('hello', 'bar'), ('world', 'foo'),
('hello', 'bar'), ('world', 'foo')
]
)
def test_enum_by_string(self):
columns = "a Enum8('hello' = 1, 'world' = 2)"
data = [('hello', ), ('world', )]
with self.create_table(columns):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, (
'hello\n'
'world\n'
)
)
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_errors(self):
columns = "a Enum8('test' = 1, 'me' = 2)"
data = [(A.world, )]
with self.create_table(columns):
with self.assertRaises(errors.LogicalError):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
columns = "a Enum8('test' = 1, 'me' = 2)"
data = [(3, )]
with self.create_table(columns):
with self.assertRaises(errors.LogicalError):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
def test_quote_in_name(self):
columns = "a Enum8(' \\' t = ' = -1, 'test' = 2)"
data = [(-1, ), (" ' t = ", )]
with self.create_table(columns):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, (
" \\' t = \n"
" \\' t = \n"
)
)
inserted = self.client.execute(query)
self.assertEqual(inserted, [(" ' t = ", ), (" ' t = ", )])
def test_comma_and_space_in_name(self):
columns = "a Enum8('one' = 1, 'two_with_comma, ' = 2, 'three' = 3)"
data = [(2, ), ('two_with_comma, ', )]
with self.create_table(columns):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, (
'two_with_comma, \n'
'two_with_comma, \n'
)
)
inserted = self.client.execute(query)
self.assertEqual(
inserted, [('two_with_comma, ',), ('two_with_comma, ',)]
)
def test_nullable(self):
columns = "a Nullable(Enum8('hello' = -1, 'world' = 2))"
data = [(None, ), (A.hello, ), (None, ), (A.world, )]
with self.create_table(columns):
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, (
'\\N\nhello\n\\N\nworld\n'
)
)
inserted = self.client.execute(query)
self.assertEqual(
inserted, [
(None, ), ('hello', ), (None, ), ('world', ),
]
)
|
