Adding early bootstrap ideas for core test suite
diff --git a/tests/lib/ci_testcase.php b/tests/lib/ci_testcase.php
new file mode 100644
index 0000000..a8a272d
--- /dev/null
+++ b/tests/lib/ci_testcase.php
@@ -0,0 +1,110 @@
+<?php
+
+
+// Need a way to change dependencies (core libs and laoded libs)
+// Need a way to set the CI class
+
+class CodeIgniterTestCase extends PHPUnit_Framework_TestCase {
+		
+	public $ci_instance;
+	public static $test_instance;
+	public static $global_map = array(
+		'benchmark'	=> 'bm',
+		'config'	=> 'cfg',
+		'hooks'		=> 'ext',
+		'utf8'		=> 'uni',
+		'router'	=> 'rtr',
+		'output'	=> 'out',
+		'security'	=> 'sec',
+		'input'		=> 'in',
+		'lang'		=> 'lang',
+		
+		// @todo the loader is an edge case
+		'loader'	=> 'load'
+	);
+	
+	function __construct()
+	{
+		parent::__construct();
+	}
+	
+	// --------------------------------------------------------------------
+	
+	// Change what get_instance returns
+	function ci_instance($obj)
+	{
+		$this->ci_instance = $obj;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	function ci_set_instance_var($name, $obj)
+	{
+		$this->ci_instance->$name =& $obj;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	// Set a class to a mock before it is loaded
+	function ci_library($name)
+	{
+		
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Grab a core class
+	 *
+	 * Loads the correct core class without extensions
+	 * and returns a reference to the class name in the
+	 * globals array with the correct key. This way the
+	 * test can modify the variable it assigns to and
+	 * still maintain the global.
+	 */
+	function &ci_core_class($name)
+	{
+		$name = strtolower($name);
+		
+		if (isset(self::$global_map[$name]))
+		{
+			$class_name = ucfirst($name);
+			$global_name = self::$global_map[$name];
+		}
+		elseif (in_array($name, self::$global_map))
+		{
+			$class_name = ucfirst(array_search($name, self::$global_map));
+			$global_name = $name;
+		}
+		else
+		{
+			throw new Exception('Not a valid core class.');
+		}
+		
+		if ( ! class_exists('CI_'.$class_name))
+		{
+			require_once BASEPATH.'core/'.$class_name.'.php';
+		}
+		
+		$GLOBALS[strtoupper($global_name)] = 'CI_'.$class_name;
+		return $GLOBALS[strtoupper($global_name)];
+	}
+	
+	// --------------------------------------------------------------------
+	
+	// convenience function for global mocks
+	function ci_set_core_class($name, $obj)
+	{
+		$orig =& $this->ci_core_class($name);
+		$orig = $obj;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	static function ci_config($item)
+	{
+		return '';
+	}
+}
+
+// EOF
\ No newline at end of file