public function testFormatDate()
 {
     $crudServiceProvider = new CRUDServiceProvider();
     $app = new Application();
     $crudServiceProvider->init($this->dataFactory, $this->crudFile, new CRUDNullFileProcessor(), true, $app);
     $read = $crudServiceProvider->formatDate('2014-08-30 12:00:00');
     $expected = '2014-08-30';
     $this->assertSame($read, $expected);
     $read = $crudServiceProvider->formatDate('2014-08-30');
     $expected = '2014-08-30';
     $this->assertSame($read, $expected);
     $read = $crudServiceProvider->formatDate('');
     $expected = '';
     $this->assertSame($read, $expected);
     $read = $crudServiceProvider->formatDate(null);
     $expected = '';
     $this->assertSame($read, $expected);
     $read = $crudServiceProvider->formatDate('foo');
     $expected = 'foo';
     $this->assertSame($read, $expected);
 }