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In 2.7.5 with N°3513 we added a second mysqli attribute in CMDBSource, so that we can test transactions (see TransactionsTest). But this wasn't documented, and was really causing confusion ! This refactor wraps both attributes in a dedicated object so that the logic is clearer.
67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?php
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/*
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* @copyright Copyright (C) 2010-2021 Combodo SARL
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* @license http://opensource.org/licenses/AGPL-3.0
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*/
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namespace Combodo\iTop\Core;
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use mysqli;
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/**
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* mysqli object is really hard to mock as it contains lots of attributes & methods ! Thought we need to mock it to test transactions !
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*
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* To solve this, a new attribute exists and is only used in specific use cases, so there are just few things to mock.
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*
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* This object adds more readability than previous model with 2 attributes in {@see CMDBSource}.
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*
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* @used-by \CMDBSource
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*
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* @since 3.0.0 N°4325 Object creation
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* This wrapper handles the 2 {@mysqli myqsli} attributes that were previously in {@see CMDBSource}
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* To allow testing we added a second mysqli object (N°3513 in 2.7.5) and code became a bit confusing :/
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* With this wrapper everything is in the same place, and we can express the intention more clearly !
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*/
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class DbConnectionWrapper
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{
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/** @var mysqli */
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protected static $oDbCnxStandard;
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/**
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* Can contain a genuine mysqli object, or a mock that would emulate {@see mysqli::query()}
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*
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* @var mysqli
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* @used-by \Combodo\iTop\Test\UnitTest\Core\TransactionsTest
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*/
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protected static $oDbCnxMockableForQuery;
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/**
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* @param bool $bIsForQuery set to true if using {@see mysqli::query()}
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*
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* @return \mysqli|null
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*/
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public static function GetDbConnection(bool $bIsForQuery = false): ?mysqli
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{
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if ($bIsForQuery) {
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return static::$oDbCnxMockableForQuery;
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}
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return static::$oDbCnxStandard;
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}
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public static function SetDbConnection(mysqli $oMysqli): void
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{
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static::$oDbCnxStandard = $oMysqli;
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static::SetDbConnectionMockForQuery($oMysqli);
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}
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/**
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* Use this to register a mock that will handle {@see mysqli::query()}
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*
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* @param \mysqli $oMysqli
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*/
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public static function SetDbConnectionMockForQuery(mysqli $oMysqli): void
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{
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static::$oDbCnxMockableForQuery = $oMysqli;
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}
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} |