Restore SQLiteTestCase

This reverts commit 2b58bb4dfa.

test/Config/SQLiteTestCase.php

@@ -0,0 +1,54 @@
+<?php
+namespace ActivityPub\Test\Config;
+
+use ActivityPub\ActivityPub;
+use PHPUnit\Framework\TestCase;
+use PHPUnit\DbUnit\TestCaseTrait;
+use PHPUnit\DbUnit\Operation\Composite;
+use PHPUnit\DbUnit\Operation\Factory;
+
+abstract class SQLiteTestCase extends TestCase
+{
+    use TestCaseTrait;
+
+    private $pdo = null;
+    private $conn = null;
+    private $dbPath = '';
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $dbPath = dirname( __FILE__ ) . '/../db.sqlite';
+        if ( file_exists( $dbPath ) ) {
+            unlink( $dbPath );
+        }
+        $activityPub = new ActivityPub( array(
+            'dbOptions' => array(
+                'driver' => 'pdo_sqlite',
+                'path' => $dbPath,
+            ),
+        ) );
+        $activityPub->updateSchema();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+        unlink( dirname( __FILE__ ) . '/../db.sqlite' );
+        unset( $this->conn );
+        unset( $this->pdo );
+    }
+
+    final public function getConnection()
+    {
+        if ( $this->conn === null ) {
+            if ( $this->pdo === null ) {
+                $this->dbPath = dirname( __FILE__ ) . '/../db.sqlite';
+                $this->pdo = new \PDO( "sqlite:{$this->dbPath}" );
+            }
+            $this->conn = $this->createDefaultDBConnection( $this->pdo, $this->dbPath );
+        }
+        return $this->conn;
+    }
+}
+?>