#!/usr/bin/env python
# -*- encoding: utf-8 -*-
"""
@Version: 1.0
@Python Version:3.6.6
@Author: ludq1
@File: test_mysqlutils
@Time: 2019/1/7 007 22:01
@Description: 测试代码
"""
from unittest import TestCase, main

from cucc_common_pkg.mysql_utils import MysqlUtils


class TestUtility(TestCase):
    r'''
    TestUtility
    '''

    def test_gen_insertsql(self):
        r'''

        Returns:

        '''
        a_dict = {'c1': 'c1', 'c2': '2'}
        table_name = 'table_name'
        expect_result = 'insert `' + table_name + "`(`c1`,`c2`) select 'c1','2'"
        a_result = MysqlUtils.gen_insertsql(table_name, a_dict)
        self.assertEqual(expect_result, a_result)

        a_list = [a_dict]
        table_name = 'table_name'
        expect_result = ['insert `' + table_name + "`(`c1`,`c2`) select 'c1','2'"]
        a_result = MysqlUtils.gen_insertsql_multi(table_name, a_list)
        self.assertEqual(expect_result, a_result)

    def test_gen_part_sql(self):
        r'''

        Returns:

        '''
        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        expect_result = "`c1`='c1',`c2`='2'"
        a_result = MysqlUtils.gen_part_sql_for_update(a_dict)
        self.assertEqual(expect_result, a_result)

        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        expect_result = "`c1`='c1',`c2`='2',`c3`=null"
        a_result = MysqlUtils.gen_part_sql_for_update(a_dict, ignore_none=False)
        self.assertEqual(expect_result, a_result)

        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        expect_result = "`c1`='c1' and `c2`='2' and `c3` is null"
        a_result = MysqlUtils.gen_part_sql_for_where(a_dict, where_dict_can_be_none_or_empty=False)
        self.assertEqual(expect_result, a_result)

        a_dict = None
        expect_result = "1=1"
        a_result = MysqlUtils.gen_part_sql_for_where(a_dict, where_dict_can_be_none_or_empty=True)
        self.assertEqual(expect_result, a_result)

        a_dict = {}
        expect_result = "1=1"
        a_result = MysqlUtils.gen_part_sql_for_where(a_dict, where_dict_can_be_none_or_empty=True)
        self.assertEqual(expect_result, a_result)

        a_dict = {}
        with self.assertRaises(Exception):
            MysqlUtils.gen_part_sql_for_where(a_dict)

        a_dict = {}
        with self.assertRaises(Exception):
            MysqlUtils.gen_part_sql_for_where(a_dict)

    def test_gen_updatesql(self):
        r'''

        Returns:

        '''
        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        where_dict = {'c1': '1'}
        table_name = 'table_name'
        expect_result = "update `" + table_name + "` set `c1`='c1',`c2`='2' where `c1`='1'"
        a_result = MysqlUtils.gen_updatesql(table_name, a_dict, where_dict)
        self.assertEqual(expect_result, a_result)

        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        where_dict = {'c1': '1'}
        table_name = 'table_name'
        expect_result = "update `" + table_name + "` set `c1`='c1',`c2`='2',`c3`=null where `c1`='1'"
        a_result = MysqlUtils.gen_updatesql(table_name, a_dict, where_dict, ignore_none=False)
        self.assertEqual(expect_result, a_result)

        a_dict = {'c1': 'c1', 'c2': '2', 'c3': None}
        where_dict = {}
        table_name = 'table_name'
        expect_result = "update `" + table_name + "` set `c1`='c1',`c2`='2',`c3`=null where 1=1"
        a_result = MysqlUtils.gen_updatesql(table_name, a_dict, where_dict, ignore_none=False,
                                            where_dict_can_be_none_or_empty=True)
        self.assertEqual(expect_result, a_result)

    def test_gen_delsql(self):
        r'''

        Returns:

        '''
        where_dict = {'c1': '1'}
        table_name = 'table_name'
        expect_result = "delete from `" + table_name + "` where `c1`='1'"
        a_result = MysqlUtils.gen_delsql(table_name, where_dict)
        self.assertEqual(expect_result, a_result)

        where_dict = {}
        table_name = 'table_name'
        expect_result = "delete from `" + table_name + "` where 1=1"
        a_result = MysqlUtils.gen_delsql(table_name, where_dict,
                                         where_dict_can_be_none_or_empty=True)
        self.assertEqual(expect_result, a_result)


if __name__ == '__main__':
    main()