MWCallableUpdateTest.php

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<?php
 
class MWCallableUpdateTest extends PHPUnit\Framework\TestCase {
 
    use MediaWikiCoversValidator;
 
    public function testDoUpdate() {
        $ran = 0;
        $update = new MWCallableUpdate( function () use ( &$ran ) {
            $ran++;
        } );
        $this->assertSame( 0, $ran );
        $update->doUpdate();
        $this->assertSame( 1, $ran );
    }
 
    public function testCancel() {
        // Prepare update and DB
        $db = new DatabaseTestHelper( __METHOD__ );
        $db->begin( __METHOD__ );
        $ran = 0;
        $update = new MWCallableUpdate( function () use ( &$ran ) {
            $ran++;
        }, __METHOD__, $db );
 
        // Emulate rollback
        $db->rollback( __METHOD__ );
 
        $update->doUpdate();
 
        // Ensure it was cancelled
        $this->assertSame( 0, $ran );
    }
 
    public function testCancelSome() {
        // Prepare update and DB
        $db1 = new DatabaseTestHelper( __METHOD__ );
        $db1->begin( __METHOD__ );
        $db2 = new DatabaseTestHelper( __METHOD__ );
        $db2->begin( __METHOD__ );
        $ran = 0;
        $update = new MWCallableUpdate( function () use ( &$ran ) {
            $ran++;
        }, __METHOD__, [ $db1, $db2 ] );
 
        // Emulate rollback
        $db1->rollback( __METHOD__ );
 
        $update->doUpdate();
 
        // Prevents: "Notice: DB transaction writes or callbacks still pending"
        $db2->rollback( __METHOD__ );
 
        // Ensure it was cancelled
        $this->assertSame( 0, $ran );
    }
 
    public function testCancelAll() {
        // Prepare update and DB
        $db1 = new DatabaseTestHelper( __METHOD__ );
        $db1->begin( __METHOD__ );
        $db2 = new DatabaseTestHelper( __METHOD__ );
        $db2->begin( __METHOD__ );
        $ran = 0;
        $update = new MWCallableUpdate( function () use ( &$ran ) {
            $ran++;
        }, __METHOD__, [ $db1, $db2 ] );
 
        // Emulate rollbacks
        $db1->rollback( __METHOD__ );
        $db2->rollback( __METHOD__ );
 
        $update->doUpdate();
 
        // Ensure it was cancelled
        $this->assertSame( 0, $ran );
    }
 
}