public function testMergeWithCombiningValueMerger()
{
$collection = new Collection(['a' => 'x']);
$mergedCollection = new Collection(['a' => 'y']);
$merger = $this->getMockBuilder(ValueMerger::class)->disableOriginalConstructor()->getMock();
$merger->expects($this->once())->method('merge')->with('x', 'y')->willReturn('merged value');
$collection->addMerger('a', $merger);
$collection->merge($mergedCollection);
$this->assertEquals(['a' => 'merged value'], $collection->toArray());
}
/**
*
*/
public function testMergerKeysNormalization()
{
$collection = new Collection(['X' => 'a', 'y' => 'b', 'Z' => 'C']);
$collection->addKeyNormalizer(function (&$key) {
$key = strtoupper($key);
});
$merger = $this->getMockBuilder(ValueMerger::class)->disableOriginalConstructor()->getMock();
$collection->addMerger('lowercase', $merger);
$this->assertArrayHasKey('LOWERCASE', $collection->getMergers());
}
