Load schema to in memory database

src/Illuminate/Database/Schema/SqliteSchemaState.php

@@ -61,6 +61,12 @@ protected function appendMigrationData(string $path)
      */
     public function load($path)
     {
+        if ($this->connection->getDatabaseName() === ':memory:') {
+            $this->connection->getPdo()->exec($this->files->get($path));
+
+            return;
+        }
+
         $process = $this->makeProcess($this->baseCommand().' < "${:LARAVEL_LOAD_PATH}"');
 
         $process->mustRun(null, array_merge($this->baseVariables($this->connection->getConfig()), [

tests/Database/DatabaseSqliteSchemaStateTest.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Illuminate\Tests\Database;
+
+use Illuminate\Database\Schema\SqliteSchemaState;
+use Illuminate\Database\SQLiteConnection;
+use Illuminate\Filesystem\Filesystem;
+use Mockery as m;
+use PDO;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Process\Process;
+
+class DatabaseSqliteSchemaStateTest extends TestCase
+{
+    protected function tearDown(): void
+    {
+        parent::tearDown();
+        m::close();
+    }
+
+    public function testLoadSchemaToDatabase(): void
+    {
+        $config = ['driver' => 'sqlite', 'database' => 'database/database.sqlite', 'prefix' => '', 'foreign_key_constraints' => true, 'name' => 'sqlite'];
+        $connection = m::mock(SQLiteConnection::class);
+        $connection->shouldReceive('getConfig')->andReturn($config);
+        $connection->shouldReceive('getDatabaseName')->andReturn($config['database']);
+
+        $process = m::spy(Process::class);
+        $processFactory = m::spy(function () use ($process) {
+            return $process;
+        });
+
+        $schemaState = new SqliteSchemaState($connection, null, $processFactory);
+        $schemaState->load('database/schema/sqlite-schema.dump');
+
+        $processFactory->shouldHaveBeenCalled()->with('sqlite3 "${:LARAVEL_LOAD_DATABASE}" < "${:LARAVEL_LOAD_PATH}"');
+
+        $process->shouldHaveReceived('mustRun')->with(null, [
+            'LARAVEL_LOAD_DATABASE' => 'database/database.sqlite',
+            'LARAVEL_LOAD_PATH' => 'database/schema/sqlite-schema.dump',
+        ]);
+    }
+
+    public function testLoadSchemaToInMemory(): void
+    {
+        $config = ['driver' => 'sqlite', 'database' => ':memory:', 'prefix' => '', 'foreign_key_constraints' => true, 'name' => 'sqlite'];
+        $connection = m::mock(SQLiteConnection::class);
+        $connection->shouldReceive('getConfig')->andReturn($config);
+        $connection->shouldReceive('getDatabaseName')->andReturn($config['database']);
+        $connection->shouldReceive('getPdo')->andReturn($pdo = m::spy(PDO::class));
+
+        $files = m::mock(Filesystem::class);
+        $files->shouldReceive('get')->andReturn('CREATE TABLE IF NOT EXISTS "migrations" ("id" integer not null primary key autoincrement, "migration" varchar not null, "batch" integer not null);');
+
+        $schemaState = new SqliteSchemaState($connection, $files);
+        $schemaState->load('database/schema/sqlite-schema.dump');
+
+        $pdo->shouldHaveReceived('exec')->with('CREATE TABLE IF NOT EXISTS "migrations" ("id" integer not null primary key autoincrement, "migration" varchar not null, "batch" integer not null);');
+    }
+}