/**
* @test
*/
public function 添字配列がマージされている事を確認()
{
$expected = ['foo', 'bar', 'baz', 'qux'];
$collection = new Collection(['foo', 'bar']);
$actual = $collection->merge(['baz', 'qux'])->all();
$this->assertEquals($expected, $actual);
}
public function getHistory($operation = null)
{
$operationToRetrieve = strtolower($operation == null ? $this->currentTotalName : $operation);
if ($this->operationValues->has($operationToRetrieve)) {
return $this->operationValues[$operationToRetrieve]->getHistory();
}
throw new InvalidArgumentException("Operation {$operationToRetrieve} has not been initialized.");
}
/**
* @test
*/
public function unshiftで先頭に要素を追加する()
{
$expected = ['baz', 'foo', 'bar'];
$collection = new Collection(['foo', 'bar']);
$sum = $collection->unshift('baz');
$this->assertSame(3, $sum);
$this->assertSame($expected, $collection->all());
}
/**
* @test
*/
public function 連想配列のキーがfooの要素だけを返す()
{
$data = ['foo' => 1, 'bar' => 2];
$expected = ['foo' => 1];
$collect = new Collection($data);
$actual = $collect->select(function ($key) {
return $key === 'foo';
}, ARRAY_FILTER_USE_KEY)->all();
$this->assertSame($expected, $actual);
}
public function testLastItemValue()
{
$last = $this->collection->getLast();
$this->assertSame(1, $last->getValue());
$this->assertSame(0, $last->getKey());
$this->collection->set('foo', 'value');
$this->assertSame('foo', $this->collection->getLast()->getKey());
$this->collection->remove('foo');
$this->assertSame(1, $this->collection->getLast()->getValue());
$this->setExpectedException('\\Exception');
$this->collection->remove(0);
$this->collection->getLast();
}
public function testGettingAvgItemsFromCollection()
{
$c = new Collection([(object) ['foo' => 10], (object) ['foo' => 20]]);
$this->assertEquals(15, $c->avg('foo'));
$c = new Collection([['foo' => 10], ['foo' => 20]]);
$this->assertEquals(15, $c->avg('foo'));
$c = new Collection([1, 2, 3, 4, 5]);
$this->assertEquals(3, $c->avg());
$c = new Collection();
$this->assertNull($c->avg());
}
/**
* @test
*/
public function valuesで添字のキーをリセットする()
{
$expected = [0 => ['foo' => 1], 1 => ['bar' => 2]];
$data = [10 => ['foo' => 1], 11 => ['bar' => 2]];
$collection = new Collection($data);
$actual = $collection->values()->all();
$this->assertEquals($expected, $actual);
}
/**
* {@inheritdoc}
*/
public function count()
{
return $this->collection->count();
}
/**
* Sort the array using the given callback.
*
* @param array $array
* @param callable $callback
*
* @return array
*/
public static function sort($array, callable $callback)
{
return Collection::make($array)->sortBy($callback)->all();
}