public function testEmit()
{
$reduce_input = $this->getMock('ReduceInput', array('getKey'));
$reduce_input->expects($this->any())->method('getKey')->will($this->returnValue('a'));
CharCounter::emit($reduce_input, 2);
$this->assertEquals(1, count(CharCounter::$char_count));
$this->assertEquals(2, CharCounter::$char_count[$reduce_input->getKey()]);
}
public function execute(ReduceInput $input)
{
$this->count = count($input->getList());
CharCounter::emit($input, $this->count);
}
