[11.x] Support named in-memory SQLite connections (#53635)

* [11.x] Support named in-memory SQLite connections

* code style

* apply change to SQLiteBuilder & SqliteSchemaState

* add connector test

* foramtting

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Illuminate/Database/Connectors/SQLiteConnector.php

@@ -20,9 +20,12 @@ public function connect(array $config)
 
         // SQLite supports "in-memory" databases that only last as long as the owning
         // connection does. These are useful for tests or for short lifetime store
-        // querying. In-memory databases may only have a single open connection.
-        if ($config['database'] === ':memory:') {
-            return $this->createConnection('sqlite::memory:', $config, $options);
+        // querying. In-memory databases shall be anonymous (:memory:) or named.
+        if ($config['database'] === ':memory:' ||
+            str_contains($config['database'], '?mode=memory') ||
+            str_contains($config['database'], '&mode=memory')
+        ) {
+            return $this->createConnection('sqlite:'.$config['database'], $config, $options);
         }
 
         $path = realpath($config['database']);

src/Illuminate/Database/Schema/SQLiteBuilder.php

@@ -90,7 +90,12 @@ public function getColumns($table)
      */
     public function dropAllTables()
     {
-        if ($this->connection->getDatabaseName() !== ':memory:') {
+        $database = $this->connection->getDatabaseName();
+
+        if ($database !== ':memory:' &&
+            ! str_contains($database, '?mode=memory') &&
+            ! str_contains($database, '&mode=memory')
+        ) {
             return $this->refreshDatabaseFile();
         }
 

src/Illuminate/Database/Schema/SqliteSchemaState.php

@@ -60,7 +60,12 @@ protected function appendMigrationData(string $path)
      */
     public function load($path)
     {
-        if ($this->connection->getDatabaseName() === ':memory:') {
+        $database = $this->connection->getDatabaseName();
+
+        if ($database === ':memory:' ||
+            str_contains($database, '?mode=memory') ||
+            str_contains($database, '&mode=memory')
+        ) {
             $this->connection->getPdo()->exec($this->files->get($path));
 
             return;

tests/Database/DatabaseConnectorTest.php

@@ -270,6 +270,19 @@ public function testSQLiteMemoryDatabasesMayBeConnectedTo()
         $this->assertSame($result, $connection);
     }
 
+    public function testSQLiteNamedMemoryDatabasesMayBeConnectedTo()
+    {
+        $dsn = 'sqlite:file:mydb?mode=memory&cache=shared';
+        $config = ['database' => 'file:mydb?mode=memory&cache=shared'];
+        $connector = $this->getMockBuilder(SQLiteConnector::class)->onlyMethods(['createConnection', 'getOptions'])->getMock();
+        $connection = m::mock(stdClass::class);
+        $connector->expects($this->once())->method('getOptions')->with($this->equalTo($config))->willReturn(['options']);
+        $connector->expects($this->once())->method('createConnection')->with($this->equalTo($dsn), $this->equalTo($config), $this->equalTo(['options']))->willReturn($connection);
+        $result = $connector->connect($config);
+
+        $this->assertSame($result, $connection);
+    }
+
     public function testSQLiteFileDatabasesMayBeConnectedTo()
     {
         $dsn = 'sqlite:'.__DIR__;