public function testAppendingMultipleElement()
{
$data = [new Entity(['id' => 1]), new Entity(['id' => 2])];
$collection = new Collection($data);
$this->assertEquals(2, $collection->count());
$this->assertEquals([['id' => 1], ['id' => 2]], $collection->toArray());
}
public function test()
{
$e1 = new Entity(['id' => 1]);
$collection = new Collection([$e2 = new Entity(['id' => 2]), $e3 = new Entity(['id' => 3])]);
$collection->prepend($e1);
$this->assertEquals([['id' => 1], ['id' => 2], ['id' => 3]], $collection->toArray());
}
public function test()
{
$collection = new Collection([new Entity(['id' => 1]), new Entity(['id' => 2]), new Entity(['id' => 3])]);
$collection->walk(function ($entity) {
$entity->id *= $entity->id;
});
$this->assertEquals([['id' => 1], ['id' => 4], ['id' => 9]], $collection->toArray());
}
public function testCastingCollectionToArray()
{
$entity1 = new Entity(['one' => 1]);
$entity2 = new Entity(['two' => 2]);
$entity3 = new Entity(['three' => 3]);
$collection = new Collection([$entity1, $entity2, $entity3]);
$this->assertEquals([['one' => 1], ['two' => 2], ['three' => 3]], $collection->toArray());
}
public function test()
{
$collection = new Collection([$e1 = new Entity(['id' => 1]), $e2 = new Entity(['id' => 2]), $e3 = new Entity(['id' => 3])]);
$collection->filter(function ($entity) {
if ($entity->id == 2) {
return false;
}
return true;
});
$this->assertEquals([['id' => 1], ['id' => 3]], $collection->toArray());
}
public function test()
{
$collection = new Collection([new Entity(['id' => 1]), new Entity(['id' => 1]), new Entity(['id' => 1]), new Entity(['id' => 2]), new Entity(['id' => 3])]);
$collection->distinctOn('id');
$this->assertEquals([['id' => 1], ['id' => 2], ['id' => 3]], $collection->toArray());
}
