public function testUtilities()
{
$data = $this->getTestData();
$obj1 = new PluginInstance();
$obj1->populate($data);
$this->assertEquals($data['plugin'], $obj1->getPlugin());
$this->assertEquals($data['siteWide'], $obj1->isSiteWide());
$this->assertEquals($data['displayName'], $obj1->getDisplayName());
$this->assertEquals($data['instanceConfig'], $obj1->getInstanceConfig());
$this->assertEquals($data['md5'], $obj1->getMd5());
$this->assertEquals($data['previousInstance']->getInstanceId(), $obj1->getPreviousInstance());
$this->assertEquals($data['renderedCss'], $obj1->getRenderedCss());
$this->assertEquals($data['renderedJs'], $obj1->getRenderedJs());
$this->assertEquals($data['renderedHtml'], $obj1->getRenderedHtml());
$this->assertEquals($data['canCache'], $obj1->getCanCache());
$this->assertEquals($data['editCss'], $obj1->getEditCss());
$this->assertEquals($data['editJs'], $obj1->getEditJs());
$this->assertEquals($data['icon'], $obj1->getIcon());
$this->assertEquals($data['tooltip'], $obj1->getTooltip());
$data['saveData'] = ['testSave' => 'saveData'];
$obj1->populate($data);
$this->assertEquals($data['saveData'], $obj1->getInstanceConfig());
$this->assertEquals(md5(serialize($data['saveData'])), $obj1->getMd5());
// sync the data back up
$data['md5'] = $obj1->getMd5();
$data['instanceConfig'] = $obj1->getInstanceConfig();
$json = json_encode($obj1);
$this->assertJson($json);
$iterator = $obj1->getIterator();
$this->assertInstanceOf('\\ArrayIterator', $iterator);
$array = $obj1->toArray();
$this->assertEquals($data['plugin'], $array['plugin']);
$this->assertEquals($data['siteWide'], $array['siteWide']);
$this->assertEquals($data['displayName'], $array['displayName']);
// @todo this breaks in travis?
// $this->assertEquals($data['instanceConfig'], $array['instanceConfig']);
$this->assertEquals($data['md5'], $array['md5']);
$this->assertEquals($data['renderedCss'], $array['renderedCss']);
$this->assertEquals($data['renderedJs'], $array['renderedJs']);
$this->assertEquals($data['renderedHtml'], $array['renderedHtml']);
$this->assertEquals($data['canCache'], $array['canCache']);
$this->assertEquals($data['editCss'], $array['editCss']);
$this->assertEquals($data['editJs'], $array['editJs']);
$this->assertEquals($data['icon'], $array['icon']);
$this->assertEquals($data['tooltip'], $array['tooltip']);
}