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| 1 | +# -*- coding: utf-8 -*- |
| 2 | +# TencentBlueKing is pleased to support the open source community by making |
| 3 | +# 蓝鲸智云 - PaaS 平台 (BlueKing - PaaS System) available. |
| 4 | +# Copyright (C) Tencent. All rights reserved. |
| 5 | +# Licensed under the MIT License (the "License"); you may not use this file except |
| 6 | +# in compliance with the License. You may obtain a copy of the License at |
| 7 | +# |
| 8 | +# http://opensource.org/licenses/MIT |
| 9 | +# |
| 10 | +# Unless required by applicable law or agreed to in writing, software distributed under |
| 11 | +# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, |
| 12 | +# either express or implied. See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | +# |
| 15 | +# We undertake not to change the open source license (MIT license) applicable |
| 16 | +# to the current version of the project delivered to anyone in the future. |
| 17 | + |
| 18 | +from unittest.mock import MagicMock, patch |
| 19 | + |
| 20 | +import pytest |
| 21 | +from svc_mysql.vendor.provider import Provider |
| 22 | + |
| 23 | + |
| 24 | +@pytest.fixture |
| 25 | +def mysql_mocks(): |
| 26 | + """Mock 外部依赖，返回 (authorizer_mock, engine_mock)""" |
| 27 | + with ( |
| 28 | + patch("svc_mysql.vendor.provider.gen_unique_id", return_value="test-db"), |
| 29 | + patch("svc_mysql.vendor.provider.generate_mysql_password", return_value="P@ssW0rd!"), |
| 30 | + patch("svc_mysql.vendor.provider.MySQLAuthorizer") as mock_auth_cls, |
| 31 | + patch("svc_mysql.vendor.provider.MySQLEngine") as mock_eng_cls, |
| 32 | + ): |
| 33 | + mock_authorizer = MagicMock() |
| 34 | + mock_engine = MagicMock() |
| 35 | + mock_auth_cls.return_value = mock_authorizer |
| 36 | + mock_eng_cls.return_value = mock_engine |
| 37 | + yield mock_authorizer, mock_engine |
| 38 | + |
| 39 | + |
| 40 | +def make_provider(**kwargs): |
| 41 | + defaults = {"host": "10.0.0.1", "port": 3306, "user": "root", "password": "pwd"} |
| 42 | + defaults.update(kwargs) |
| 43 | + return Provider(**defaults) |
| 44 | + |
| 45 | + |
| 46 | +class TestTemplateNeedsCharset: |
| 47 | + """验证 Formatter.parse() 对占位符的精确匹配""" |
| 48 | + |
| 49 | + @pytest.mark.parametrize( |
| 50 | + ("template", "expected"), |
| 51 | + [ |
| 52 | + # {charset} / {collation} 占位符 -> True |
| 53 | + ( |
| 54 | + "CREATE DATABASE IF NOT EXISTS `{engine.name}` DEFAULT CHARACTER SET {charset} COLLATE {collation};", |
| 55 | + True, |
| 56 | + ), |
| 57 | + ("CREATE DATABASE IF NOT EXISTS `{engine.name}` COLLATE {collation};", True), |
| 58 | + ("CREATE DATABASE IF NOT EXISTS `{engine.name}` CHARACTER SET {charset};", True), |
| 59 | + # 不含占位符 -> False |
| 60 | + ("CREATE DATABASE IF NOT EXISTS `{engine.name}`;", False), |
| 61 | + ("DROP DATABASE IF EXISTS `{engine.name}`", False), |
| 62 | + # 字面值 charset=utf8 不是 {charset} 占位符 -> False |
| 63 | + ("CREATE DATABASE IF NOT EXISTS `{engine.name}` DEFAULT charset=utf8 COLLATE utf8_general_ci;", False), |
| 64 | + ], |
| 65 | + ) |
| 66 | + def test(self, template, expected): |
| 67 | + assert make_provider()._template_needs_charset(template) is expected |
| 68 | + |
| 69 | + |
| 70 | +class TestCreateCharsetDetection: |
| 71 | + """create() 集成测试: 验证最终建库 SQL""" |
| 72 | + |
| 73 | + def test_utf8mb4_sql_generated(self, mysql_mocks): |
| 74 | + """探测到 utf8mb4 -> 建库 SQL 含 utf8mb4 + utf8mb4_general_ci""" |
| 75 | + |
| 76 | + mock_authorizer, mock_engine = mysql_mocks |
| 77 | + mock_authorizer.execute.return_value = [("utf8mb4", "utf8mb4_general_ci")] |
| 78 | + |
| 79 | + make_provider().create({"engine_app_name": "test-app"}) |
| 80 | + |
| 81 | + create_sql = mock_engine.execute.call_args_list[0][0][0] |
| 82 | + assert "utf8mb4" in create_sql |
| 83 | + assert "utf8mb4_general_ci" in create_sql |
| 84 | + |
| 85 | + def test_fallback_to_utf8(self, mysql_mocks): |
| 86 | + """utf8mb4 不可用 -> 建库 SQL 回退 utf8""" |
| 87 | + |
| 88 | + mock_authorizer, mock_engine = mysql_mocks |
| 89 | + mock_authorizer.execute.return_value = [] |
| 90 | + |
| 91 | + make_provider().create({"engine_app_name": "test-app"}) |
| 92 | + |
| 93 | + create_sql = mock_engine.execute.call_args_list[0][0][0] |
| 94 | + assert "utf8" in create_sql |
| 95 | + assert "utf8mb4" not in create_sql |
| 96 | + |
| 97 | + def test_exception_still_creates_db(self, mysql_mocks): |
| 98 | + """探测异常 -> 降级 utf8 且建库成功""" |
| 99 | + |
| 100 | + mock_authorizer, mock_engine = mysql_mocks |
| 101 | + mock_authorizer.execute.side_effect = Exception("Connection timed out") |
| 102 | + |
| 103 | + result = make_provider().create({"engine_app_name": "test-app"}) |
| 104 | + |
| 105 | + assert result.credentials["name"] == "test-db" |
| 106 | + create_sql = mock_engine.execute.call_args_list[0][0][0] |
| 107 | + assert "utf8" in create_sql |
| 108 | + |
| 109 | + def test_external_template_skips_detection(self, mysql_mocks): |
| 110 | + """外部模板不含 {charset}/{collation} 占位符 -> 不执行探测""" |
| 111 | + mock_authorizer, mock_engine = mysql_mocks |
| 112 | + |
| 113 | + provider = make_provider() |
| 114 | + provider.db_operator_template["CREATE_DATABASE"] = "CREATE DATABASE IF NOT EXISTS `{engine.name}`;" |
| 115 | + provider.create({"engine_app_name": "test-app"}) |
| 116 | + |
| 117 | + mock_authorizer.execute.assert_not_called() |
| 118 | + |
| 119 | + def test_literal_charset_template_skips_detection(self, mysql_mocks): |
| 120 | + """自定义模板 charset=utf8 是字面值而非占位符 -> 不探测""" |
| 121 | + |
| 122 | + mock_authorizer, mock_engine = mysql_mocks |
| 123 | + |
| 124 | + provider = make_provider() |
| 125 | + provider.db_operator_template["CREATE_DATABASE"] = ( |
| 126 | + "CREATE DATABASE IF NOT EXISTS `{engine.name}` DEFAULT charset=utf8 COLLATE utf8_general_ci;" |
| 127 | + ) |
| 128 | + provider.create({"engine_app_name": "test-app"}) |
| 129 | + |
| 130 | + mock_authorizer.execute.assert_not_called() |
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