$tf->data->ev_space = new \Happen\Eventspace();
});
$tf->test('Add child eventspace with callback', function ($tf) {
// Get the root Eventspace.
$child_name = 'john';
$root_ev_space = $tf->data->ev_space;
// Create a Callback.
$callback = new \Happen\Callback('\\Happen\\Test\\onJohn');
// Add the Callback to a child eventspace
$child_ev_space = $root_ev_space->addChild($child_name, array($callback));
// Check a new Eventspace was created.
$tf->assertTrue($child_ev_space instanceof \Happen\Eventspace);
// Check the Eventspace name was set.
$tf->assertEquals($child_ev_space->name, $child_name);
// Check the Eventspace parent was set.
$tf->assertIdentical($child_ev_space->parent, $root_ev_space);
// Check the callback was added to the child Eventspace.
$tf->assertInArray($callback, $child_ev_space->callbacks);
$tf->assertInArray($callback, $child_ev_space->getCallbacks());
// Check the callback is removed from the child.
$child_ev_space->removeCallback($callback);
$tf->assertNotInArray($callback, $child_ev_space->getCallbacks());
// Check the root Eventspace sees the child.
$tf->assertTrue($root_ev_space->hasChild($child_name));
// Check the child is removed from the root.
$root_ev_space->removeChild($child_name);
$tf->assertFalse($root_ev_space->hasChild($child_name));
});
$tf->test('Add deep child eventspace with callbacks', function ($tf) {
// Get the root Eventspace.
$child_name = 'john';
