function testJunctions()
{
$junctions = new Collection($this->backend->junctions);
$actual = $junctions->orderBy('name')->select('name', null)->toArray();
$expected = ['Membership', 'Rating'];
$this->assertEquals($expected, $actual);
}
public function where($conditions)
{
if ($this->valueField === null && $this->data instanceof Collection) {
// The valueField is not set, pass the conditions to the original collection.
return new self($this->data->where($conditions), null, $this->keyField);
}
return parent::where($conditions);
}
public function orderByDescending($selector, $method = SORT_REGULAR)
{
if ($this->isConverted === false && is_string($selector) && isset($this->options['mapping'][$selector]) && $this->data instanceof Collection) {
return new self($this->data->orderByDescending($this->options['mapping'][$selector], $method), $this->model, $this->repository, $this->options);
}
return parent::orderByDescending($selector, $method);
}
public function test_reduce()
{
$collection = new Collection(array(1, 2, 3, 4));
$result = $collection->reduce(function ($result, $v) {
return $result + $v;
});
$this->assertSame(10, $result, '1 + 2 + 3 + 4 = 10');
$this->assertSame(array(1, 2, 3, 4), $collection->toArray(), 'Original array should remain intact');
}
/**
* Converts $this->data into an array.
*/
protected function dataToArray()
{
if (is_array($this->data)) {
return;
}
if ($this->data === null) {
$db = Connection::instance($this->dbLink);
$this->data = $db->fetchAll($this->sql);
return;
}
if ($this->data instanceof PDOStatement) {
$this->data = $this->data->fetchAll();
return;
}
if ($this->data === false) {
throw new InfoException('Unable to "fetchAll()", the query failed', (string) $this->sql);
}
return parent::dataToArray();
}
