public function test3_Appending()
{
$collection = new Collection(new Yaml());
$collection_of_values = new Collection(new Yaml());
# appending
static::$collection->append('part1.item2', ['name' => 'Janice']);
$this->assertEquals('Janice', static::$collection->get('part1.item2.name'));
static::$collection->forget('part1');
static::$collection->append('part1', ['item2' => ['name' => 'Janice']]);
static::$collection->with('with', 'with test');
$this->assertEquals('with test', static::$collection->get('with'));
$this->assertTrue(static::$collection->count() === 2);
static::$collection->forget('with');
$this->assertTrue(static::$collection->count() === 1);
# setup
$test_array = ['merge_with' => ['merge' => 'this']];
$collection_of_values->with($test_array);
# test with an array
$collection->merge($test_array);
$this->assertEquals($collection->get('merge_with.merge'), 'this');
$collection->forget('merge_with');
# test with a collection as a value object
$collection->merge($collection_of_values);
$this->assertEquals($collection->get('merge_with.merge'), 'this');
$collection->forget('merge_with');
# test with value object
$value_object = new \stdClass();
$value_object->merge_with = $test_array['merge_with'];
$collection->merge($value_object);
$this->assertEquals($collection->get('merge_with.merge'), 'this');
# test with flat array
$collection->merge(Util::array_from_str('merge with'));
$this->assertEquals($collection->get('merge'), NULL);
$this->assertEquals($collection->get('with'), NULL);
$this->setExpectedException('InvalidArgumentException', "Cannot append an already existing key: 'part1'");
static::$collection->append('part1', ['item2' => ['name' => 'Mary']]);
}
