wip

Author: JanJakes

tests/WP_MySQL_On_SQLite_PDO_API_Tests.php

@@ -0,0 +1,63 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+class WP_MySQL_On_SQLite_PDO_API_Tests extends TestCase {
+	/** @var WP_MySQL_On_SQLite */
+	private $driver;
+
+	public function setUp(): void {
+		$this->driver = new WP_MySQL_On_SQLite( 'mysql-on-sqlite:path=:memory:;dbname=WordPress;' );
+	}
+
+	public function test_connection(): void {
+		$driver = new WP_MySQL_On_SQLite( 'mysql-on-sqlite:path=:memory:;dbname=WordPress;' );
+		$this->assertInstanceOf( PDO::class, $driver );
+	}
+
+	public function test_query(): void {
+		$result = $this->driver->query( 'SELECT 1' );
+		$this->assertInstanceOf( PDOStatement::class, $result );
+		$this->assertEquals( 1, $result->fetchColumn() );
+	}
+
+	public function test_begin_transaction(): void {
+		$result = $this->driver->beginTransaction();
+		$this->assertTrue( $result );
+	}
+
+	public function test_begin_transaction_already_active(): void {
+		$this->driver->beginTransaction();
+
+		$this->expectException( PDOException::class );
+		$this->expectExceptionMessage( 'There is already an active transaction' );
+		$this->expectExceptionCode( 0 );
+		$this->driver->beginTransaction();
+	}
+
+	public function test_commit(): void {
+		$this->driver->beginTransaction();
+		$result = $this->driver->commit();
+		$this->assertTrue( $result );
+	}
+
+	public function test_commit_no_active_transaction(): void {
+		$this->expectException( PDOException::class );
+		$this->expectExceptionMessage( 'There is no active transaction' );
+		$this->expectExceptionCode( 0 );
+		$this->driver->commit();
+	}
+
+	public function test_rollback(): void {
+		$this->driver->beginTransaction();
+		$result = $this->driver->rollBack();
+		$this->assertTrue( $result );
+	}
+
+	public function test_rollback_no_active_transaction(): void {
+		$this->expectException( PDOException::class );
+		$this->expectExceptionMessage( 'There is no active transaction' );
+		$this->expectExceptionCode( 0 );
+		$this->driver->rollBack();
+	}
+}