JamesMoss\Flywheel\RespositoryTest::testChangingDocumentIDChangesFilename PHP Method

    public function testChangingDocumentIDChangesFilename()
    {
        if (!is_dir('/tmp/flywheel')) {
            mkdir('/tmp/flywheel');
        }
        $config = new Config('/tmp/flywheel');
        $repo = new Repository('_pages', $config);
        $doc = new Document(array('test' => '123'));
        $doc->setId('test1234');
        $repo->store($doc);
        $this->assertTrue(file_exists('/tmp/flywheel/_pages/test1234.json'));
        $doc->setId('9876test');
        $repo->update($doc);
        $this->assertFalse(file_exists('/tmp/flywheel/_pages/test1234.json'));
    }