/**
* @test
* @covers Plum\Plum\Filter\CallbackFilter::__construct()
* @covers Plum\Plum\Filter\CallbackFilter::filter()
*/
public function filterShouldCallCallback()
{
$filter = new CallbackFilter(function ($item) {
return true;
});
$this->assertTrue($filter->filter('foobar'));
}
public function testCallback()
{
$called = false;
$callback = function () use(&$called) {
$called = true;
return 'bar';
};
$filter = new CallbackFilter($callback);
$result = $filter->filter('foo');
$this->assertTrue($called);
$this->assertEquals('bar', $result);
}
public function testCallbackFilter()
{
//simple test
$postApply = ' and my applying';
$filter = CallbackFilter::create(function ($value) use($postApply) {
return $value . $postApply;
});
$this->assertEquals('one another value and my applying', $filter->apply('one another value'));
}