1 files changed, 129 insertions, 68 deletions

diff --git a/tests/mocks/core/common.php b/tests/mocks/core/common.php
index fc94d7fff..24d645ae3 100644
--- a/tests/mocks/core/common.php
+++ b/tests/mocks/core/common.php
@@ -2,53 +2,89 @@
 
 // Set up the global CI functions in their most minimal core representation
 
-function &get_instance() 
+if ( ! function_exists('get_instance'))
 {
-	$test = CI_TestCase::instance();
-	$instance = $test->ci_instance();
-	return $instance;
+	function &get_instance()
+	{
+		$test = CI_TestCase::instance();
+		$test = $test->ci_instance();
+		return $test;
+	}
 }
 
 // --------------------------------------------------------------------
 
-function &get_config() {
-	$test = CI_TestCase::instance();
-	$config = $test->ci_get_config();
-		
-	return $config;
+if ( ! function_exists('get_config'))
+{
+	function &get_config()
+	{
+		$test = CI_TestCase::instance();
+		$config = $test->ci_get_config();
+		return $config;
+	}
 }
 
-function config_item($item)
+if ( ! function_exists('config_item'))
 {
-	$config =& get_config();
-	
-	if ( ! isset($config[$item]))
+	function config_item($item)
 	{
-		return FALSE;
+		$config =& get_config();
+
+		if ( ! isset($config[$item]))
+		{
+			return FALSE;
+		}
+
+		return $config[$item];
 	}
-	
-	return $config[$item];
 }
 
-// --------------------------------------------------------------------
-
-function load_class($class, $directory = 'libraries', $prefix = 'CI_')
+if ( ! function_exists('get_mimes'))
 {
-	if ($directory != 'core' OR $prefix != 'CI_')
+	/**
+	 * Returns the MIME types array from config/mimes.php
+	 *
+	 * @return	array
+	 */
+	function &get_mimes()
 	{
-		throw new Exception('Not Implemented: Non-core load_class()');
+		static $_mimes = array();
+
+		if (empty($_mimes))
+		{
+			$path = realpath(PROJECT_BASE.'application/config/mimes.php');
+			if (is_file($path))
+			{
+				$_mimes = include($path);
+			}
+		}
+
+		return $_mimes;
 	}
-	
-	$test = CI_TestCase::instance();
-	
-	$obj =& $test->ci_core_class($class);
-	
-	if (is_string($obj))
+}
+
+// --------------------------------------------------------------------
+
+if ( ! function_exists('load_class'))
+{
+	function load_class($class, $directory = 'libraries', $prefix = 'CI_')
 	{
-		throw new Exception('Bad Isolation: Use ci_set_core_class to set '.$class.'');
+		if ($directory !== 'core' OR $prefix !== 'CI_')
+		{
+			throw new Exception('Not Implemented: Non-core load_class()');
+		}
+
+		$test = CI_TestCase::instance();
+
+		$obj =& $test->ci_core_class($class);
+
+		if (is_string($obj))
+		{
+			throw new Exception('Bad Isolation: Use ci_set_core_class to set '.$class);
+		}
+
+		return $obj;
 	}
-	
-	return $obj;
 }
 
 // This is sort of meh. Should probably be mocked up with
@@ -57,76 +93,101 @@ function load_class($class, $directory = 'libraries', $prefix = 'CI_')
 // bootstrap testsuite.
 // --------------------------------------------------------------------
 
-function remove_invisible_characters($str, $url_encoded = TRUE)
+if ( ! function_exists('remove_invisible_characters'))
 {
-	$non_displayables = array();
-	
-	// every control character except newline (dec 10)
-	// carriage return (dec 13), and horizontal tab (dec 09)
-	
-	if ($url_encoded)
+	function remove_invisible_characters($str, $url_encoded = TRUE)
 	{
-		$non_displayables[] = '/%0[0-8bcef]/';	// url encoded 00-08, 11, 12, 14, 15
-		$non_displayables[] = '/%1[0-9a-f]/';	// url encoded 16-31
-	}
-	
-	$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S';	// 00-08, 11, 12, 14-31, 127
+		$non_displayables = array();
 
-	do
-	{
-		$str = preg_replace($non_displayables, '', $str, -1, $count);
-	}
-	while ($count);
+		// every control character except newline (dec 10)
+		// carriage return (dec 13), and horizontal tab (dec 09)
+
+		if ($url_encoded)
+		{
+			$non_displayables[] = '/%0[0-8bcef]/';	// url encoded 00-08, 11, 12, 14, 15
+			$non_displayables[] = '/%1[0-9a-f]/';	// url encoded 16-31
+		}
 
-	return $str;
+		$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S';	// 00-08, 11, 12, 14-31, 127
+
+		do
+		{
+			$str = preg_replace($non_displayables, '', $str, -1, $count);
+		}
+		while ($count);
+
+		return $str;
+	}
 }
 
 
 // Clean up error messages
 // --------------------------------------------------------------------
 
-function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
+if ( ! function_exists('show_error'))
 {
-	throw new RuntimeException('CI Error: '.$message);
+	function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
+	{
+		throw new RuntimeException('CI Error: '.$message);
+	}
 }
 
-function show_404($page = '', $log_error = TRUE)
+if ( ! function_exists('show_404'))
 {
-	throw new RuntimeException('CI Error: 404');
+	function show_404($page = '', $log_error = TRUE)
+	{
+		throw new RuntimeException('CI Error: 404');
+	}
 }
 
-function _exception_handler($severity, $message, $filepath, $line)
+if ( ! function_exists('_exception_handler'))
 {
-	throw new RuntimeException('CI Exception: '.$message.' | '.$filepath.' | '.$line);
+	function _exception_handler($severity, $message, $filepath, $line)
+	{
+		throw new RuntimeException('CI Exception: '.$message.' | '.$filepath.' | '.$line);
+	}
 }
 
-
 // We assume a few things about our environment ...
 // --------------------------------------------------------------------
 
-function is_php($version = '5.0.0')
+if ( ! function_exists('is_php'))
 {
-	return ! (version_compare(PHP_VERSION, $version) < 0);
+	function is_php($version = '5.0.0')
+	{
+		return ! (version_compare(PHP_VERSION, $version) < 0);
+	}
 }
 
-function is_really_writable($file)
+if ( ! function_exists('is_really_writable'))
 {
-	return is_writable($file);
+	function is_really_writable($file)
+	{
+		return is_writable($file);
+	}
 }
 
-function is_loaded()
+if ( ! function_exists('is_loaded'))
 {
-	throw new Exception('Bad Isolation: mock up environment');
+	function &is_loaded()
+	{
+		$loaded = array();
+		return $loaded;
+	}
 }
 
-function log_message($level = 'error', $message, $php_error = FALSE)
+if ( ! function_exists('log_message'))
 {
-	return TRUE;
+	function log_message($level = 'error', $message, $php_error = FALSE)
+	{
+		return TRUE;
+	}
 }
 
-function set_status_header($code = 200, $text = '')
+if ( ! function_exists('set_status_header'))
 {
-	return TRUE;
-}
-
-// EOF
\ No newline at end of file
+	function set_status_header($code = 200, $text = '')
+	{
+		return TRUE;
+	}
+}
\ No newline at end of file