public function testPersist()
{
$jsonFilename = __DIR__ . '/workdir/persisting.json';
file_put_contents($jsonFilename, '[]');
$table = new Table($jsonFilename);
$table->insert(['foo' => 'bar', 'baz' => 'bat']);
$table->insert(['ab' => 'cd', 'ef' => 'gh']);
$table->persist();
$tableLoaded = new Table($jsonFilename);
$this->assertSame(2, $tableLoaded->count());
unlink($jsonFilename);
}
