function UpdateLobTest::testUpdateOneBlob

Confirms that we can update a blob column.

File

core/tests/Drupal/KernelTests/Core/Database/UpdateLobTest.php, line 17

Class

UpdateLobTest

Tests the Update query builder with LOB fields.

Namespace

Code

public function testUpdateOneBlob() : void {
    $data = "This is\x00a test.";
    $this->assertSame(15, strlen($data), 'Test data contains a NULL.');
    $id = $this->connection
        ->insert('test_one_blob')
        ->fields([
        'blob1' => $data,
    ])
        ->execute();
    $data .= $data;
    $this->connection
        ->update('test_one_blob')
        ->condition('id', $id)
        ->fields([
        'blob1' => $data,
    ])
        ->execute();
    $r = $this->connection
        ->query('SELECT * FROM {test_one_blob} WHERE [id] = :id', [
        ':id' => $id,
    ])
        ->fetchAssoc();
    $this->assertSame($data, $r['blob1'], "Can update a blob: id {$id}, " . serialize($r));
}