/**
* Creates a new configuration object for the specified group. When caching
* is enabled, Kohana_Config will attempt to load the group from the cache.
*
* @param string group name
* @param boolean cache the group array
* @return void
*/
public function __construct($group, $cache = TRUE)
{
// Set the configuration group name
$this->_configuration_group = $group;
if ($cache === FALSE) {
// Load the configuration
$config = Kohana_Config::load($group);
} elseif (($config = Kohana::cache(self::CACHE_PREFIX . $group)) === NULL) {
// Load the configuration, it has not been cached
$config = Kohana_Config::load($group);
// Create a cache of the configuration group
Kohana::cache(self::CACHE_PREFIX . $group, $config);
}
// Load the array using the values as properties
ArrayObject::__construct($config, ArrayObject::ARRAY_AS_PROPS);
}
/**
* Calling load() with a group that doesn't exist, should get it to use the last reader
* to create a new config group
*
* @test
* @covers Kohana_Config::load
*/
public function test_load_returns_new_config_group_if_one_dnx()
{
$config = new Kohana_Config();
$group = 'my_group';
$reader1 = $this->getMock('Kohana_Config_Reader');
$reader2 = $this->getMock('Kohana_Config_Reader', array('load'), array(), 'Kohana_Config_Waffles');
// This is a slightly hacky way of doing it, but it works
$reader2->expects($this->exactly(2))->method('load')->with($group)->will($this->onConsecutiveCalls($this->returnValue(FALSE), $this->returnValue(clone $reader2)));
$config->attach($reader1)->attach($reader2);
$new_config = $config->load('my_group');
$this->assertInstanceOf('Kohana_Config_Waffles', $new_config);
// Slightly taboo, testing a different api!!
$this->assertSame(array(), $new_config->as_array());
}
/**
* load() should keep a record of what config groups have been requested and if
* a group is requested more than once the first instance should be returned
*
* @test
* @covers Config::load
*/
public function test_load_reuses_config_groups()
{
$reader = $this->getMock('Kohana_Config_Reader', array('load'));
$reader->expects($this->once())->method('load')->with('something')->will($this->returnValue(array()));
$config = new Kohana_Config();
$config->attach($reader);
$group = $config->load('something');
$this->assertSame($group, $config->load('something'));
}
