mirror of https://github.com/apache/superset.git
116 lines
4.6 KiB
Python
116 lines
4.6 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
|
|
# or more contributor license agreements. See the NOTICE file
|
|
# distributed with this work for additional information
|
|
# regarding copyright ownership. The ASF licenses this file
|
|
# to you under the Apache License, Version 2.0 (the
|
|
# "License"); you may not use this file except in compliance
|
|
# with the License. You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing,
|
|
# software distributed under the License is distributed on an
|
|
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
# KIND, either express or implied. See the License for the
|
|
# specific language governing permissions and limitations
|
|
# under the License.
|
|
import unittest
|
|
|
|
from sqlalchemy.dialects import mysql
|
|
from sqlalchemy.dialects.mysql import DATE, NVARCHAR, TEXT, VARCHAR
|
|
|
|
from superset.db_engine_specs.mysql import MySQLEngineSpec
|
|
from superset.utils.core import GenericDataType
|
|
from tests.db_engine_specs.base_tests import TestDbEngineSpec
|
|
|
|
|
|
class TestMySQLEngineSpecsDbEngineSpec(TestDbEngineSpec):
|
|
@unittest.skipUnless(
|
|
TestDbEngineSpec.is_module_installed("MySQLdb"), "mysqlclient not installed"
|
|
)
|
|
def test_get_datatype_mysql(self):
|
|
"""Tests related to datatype mapping for MySQL"""
|
|
self.assertEqual("TINY", MySQLEngineSpec.get_datatype(1))
|
|
self.assertEqual("VARCHAR", MySQLEngineSpec.get_datatype(15))
|
|
|
|
def test_convert_dttm(self):
|
|
dttm = self.get_dttm()
|
|
|
|
self.assertEqual(
|
|
MySQLEngineSpec.convert_dttm("DATE", dttm),
|
|
"STR_TO_DATE('2019-01-02', '%Y-%m-%d')",
|
|
)
|
|
|
|
self.assertEqual(
|
|
MySQLEngineSpec.convert_dttm("DATETIME", dttm),
|
|
"STR_TO_DATE('2019-01-02 03:04:05.678900', '%Y-%m-%d %H:%i:%s.%f')",
|
|
)
|
|
|
|
def test_column_datatype_to_string(self):
|
|
test_cases = (
|
|
(DATE(), "DATE"),
|
|
(VARCHAR(length=255), "VARCHAR(255)"),
|
|
(
|
|
VARCHAR(length=255, charset="latin1", collation="utf8mb4_general_ci"),
|
|
"VARCHAR(255)",
|
|
),
|
|
(NVARCHAR(length=128), "NATIONAL VARCHAR(128)"),
|
|
(TEXT(), "TEXT"),
|
|
)
|
|
|
|
for original, expected in test_cases:
|
|
actual = MySQLEngineSpec.column_datatype_to_string(
|
|
original, mysql.dialect()
|
|
)
|
|
self.assertEqual(actual, expected)
|
|
|
|
def test_is_db_column_type_match(self):
|
|
type_expectations = (
|
|
# Numeric
|
|
("TINYINT", GenericDataType.NUMERIC),
|
|
("SMALLINT", GenericDataType.NUMERIC),
|
|
("MEDIUMINT", GenericDataType.NUMERIC),
|
|
("INT", GenericDataType.NUMERIC),
|
|
("BIGINT", GenericDataType.NUMERIC),
|
|
("DECIMAL", GenericDataType.NUMERIC),
|
|
("FLOAT", GenericDataType.NUMERIC),
|
|
("DOUBLE", GenericDataType.NUMERIC),
|
|
("BIT", GenericDataType.NUMERIC),
|
|
# String
|
|
("CHAR", GenericDataType.STRING),
|
|
("VARCHAR", GenericDataType.STRING),
|
|
("TINYTEXT", GenericDataType.STRING),
|
|
("MEDIUMTEXT", GenericDataType.STRING),
|
|
("LONGTEXT", GenericDataType.STRING),
|
|
# Temporal
|
|
("DATE", GenericDataType.TEMPORAL),
|
|
("DATETIME", GenericDataType.TEMPORAL),
|
|
("TIMESTAMP", GenericDataType.TEMPORAL),
|
|
("TIME", GenericDataType.TEMPORAL),
|
|
)
|
|
|
|
for type_expectation in type_expectations:
|
|
type_str = type_expectation[0]
|
|
col_type = type_expectation[1]
|
|
assert MySQLEngineSpec.is_db_column_type_match(
|
|
type_str, GenericDataType.NUMERIC
|
|
) is (col_type == GenericDataType.NUMERIC)
|
|
assert MySQLEngineSpec.is_db_column_type_match(
|
|
type_str, GenericDataType.STRING
|
|
) is (col_type == GenericDataType.STRING)
|
|
assert MySQLEngineSpec.is_db_column_type_match(
|
|
type_str, GenericDataType.TEMPORAL
|
|
) is (col_type == GenericDataType.TEMPORAL)
|
|
|
|
def test_extract_error_message(self):
|
|
from MySQLdb._exceptions import OperationalError
|
|
|
|
message = "Unknown table 'BIRTH_NAMES1' in information_schema"
|
|
exception = OperationalError(message)
|
|
extracted_message = MySQLEngineSpec._extract_error_message(exception)
|
|
assert extracted_message == message
|
|
|
|
exception = OperationalError(123, message)
|
|
extracted_message = MySQLEngineSpec._extract_error_message(exception)
|
|
assert extracted_message == message
|