From 0a999f1422993d83ab69a917e5968502877e1894 Mon Sep 17 00:00:00 2001
From: Ishan Vyas <ishan@passbolt.com>
Date: Mon, 16 Feb 2026 14:51:22 +0530
Subject: [PATCH] Add test to show collation issue

When collation is set on field the createTable() generates wrong sql which leads to wrong collation on the field when table is created.
---
 .../TestCase/Db/Adapter/MysqlAdapterTest.php  | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/TestCase/Db/Adapter/MysqlAdapterTest.php b/tests/TestCase/Db/Adapter/MysqlAdapterTest.php
index f0d3a3bc..138148fc 100644
--- a/tests/TestCase/Db/Adapter/MysqlAdapterTest.php
+++ b/tests/TestCase/Db/Adapter/MysqlAdapterTest.php
@@ -18,6 +18,7 @@
 use Migrations\Db\Table\Column;
 use Migrations\Db\Table\ForeignKey;
 use Migrations\Db\Table\Index;
+use Migrations\Db\Table\Table as TableMetadata;
 use PDO;
 use PDOException;
 use PHPUnit\Framework\Attributes\DataProvider;
@@ -166,6 +167,29 @@ public function testCreateTable()
         $this->assertFalse($columns[0]->isSigned());
     }
 
+    public function testCreateTableMethod()
+    {
+        $table = new TableMetadata('custom_collation', ['id' => false, 'primary_key' => ['id'], 'collation' => 'utf8mb4_unicode_ci']);
+
+        $columnId = new Column();
+        $columnId
+            ->setName('id')
+            ->setType('uuid')
+            ->setCollation('ascii_general_ci')
+            ->setEncoding('ascii');
+        $columnName = new Column();
+        $columnName
+            ->setName('name')
+            ->setType('text');
+        $columns = [$columnId, $columnName];
+
+        $this->adapter->createTable($table, $columns);
+
+        $rows = $this->adapter->fetchAll('SHOW FULL COLUMNS FROM custom_collation');
+        $this->assertEquals('ascii_general_ci', $rows[0]['Collation']); // specified collation is set
+        $this->assertEquals('utf8mb4_unicode_ci', $rows[1]['Collation']); // if not specified uses table's collation
+    }
+
     public function testCreateTableWithComment()
     {
         $tableComment = 'Table comment';