/**
* Tests the update_dependency_id() function.
*/
public function test_update_dependency_id()
{
// Create tree with structure of 3 mocks.
$structure = tree::get_root_json(array(tree::get_nested_json(array(self::mock(array('table' => 'frogs', 'id' => 9)), self::mock(array('table' => 'zombies', 'id' => 9)))), self::mock(array('table' => 'frogs', 'id' => 9))));
// Get 'before' value.
$tree = new tree($structure);
$before = $tree->save();
// Try replacing a table or id that isn't used.
$this->assertFalse($tree->update_dependency_id('toads', 9, 13));
$this->assertFalse($tree->update_dependency_id('frogs', 7, 8));
$this->assertEquals($before, $tree->save());
// Replace the zombies one.
$this->assertTrue($tree->update_dependency_id('zombies', 9, 666));
$after = $tree->save();
$this->assertEquals(666, $after->c[0]->c[1]->id);
// And the frogs one.
$this->assertTrue($tree->update_dependency_id('frogs', 9, 3));
$after = $tree->save();
$this->assertEquals(3, $after->c[0]->c[0]->id);
$this->assertEquals(3, $after->c[1]->id);
}
