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diff --git a/simplepie/test/unit_test/unit_test2.php b/simplepie/test/unit_test/unit_test2.php
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+<?php
+
+/**
+ * @package Unit Test
+ * @author Geoffrey Sneddon <geoffers@gmail.com>
+ * @version $Id: unit_test2.php 16 2007-08-08 14:52:36Z gsnedders $
+ * @license http://www.opensource.org/licenses/zlib-license.php zlib/libpng license
+ * @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
+ * @copyright Copyright © 2007, Geoffrey Sneddon
+ */
+
+/**
+ * Unit Test
+ *
+ * @abstract
+ * @package Unit Test
+ */
+class Unit_Test2
+{
+ /**
+ * Sets whether this class is a unit test or not
+ *
+ * @access protected
+ * @var bool
+ */
+ var $test = true;
+
+ /**
+ * Test name
+ *
+ * @access protected
+ * @var mixed
+ */
+ var $name;
+
+ /**
+ * Test data
+ *
+ * @access protected
+ * @var mixed
+ */
+ var $data;
+
+ /**
+ * Expected result
+ *
+ * @access protected
+ * @var mixed
+ */
+ var $expected;
+
+ /**
+ * Test result
+ *
+ * @access protected
+ * @var mixed
+ */
+ var $result;
+
+ /**
+ * Number of tests passed
+ *
+ * @access protected
+ * @var int
+ */
+ var $passes = 0;
+
+ /**
+ * Number of tests failed
+ *
+ * @access protected
+ * @var int
+ */
+ var $fails = 0;
+
+ /**
+ * Set the test name to the class name by default, replacing "_" with " "
+ */
+ function Unit_Test2()
+ {
+ $this->name = str_replace('_', ' ', get_class($this));
+ }
+
+ /**
+ * Whether this class is a test
+ *
+ * @final
+ * @access public
+ * @return bool
+ */
+ function is_test()
+ {
+ return (bool) $this->test;
+ }
+
+ /**
+ * Test name
+ *
+ * @final
+ * @access public
+ * @return mixed
+ */
+ function name()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Number of tests passed
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function passes()
+ {
+ return (int) $this->passes;
+ }
+
+ /**
+ * Number of tests failed
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function fails()
+ {
+ return (int) $this->fails;
+ }
+
+ /**
+ * Total number of tests
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function total()
+ {
+ return $this->passes() + $this->fails();
+ }
+
+ /**
+ * Run the test
+ *
+ * @final
+ * @access public
+ */
+ function run()
+ {
+ $this->init();
+ $this->data();
+ $this->expected();
+ $this->test();
+ $this->result();
+ }
+
+ /**
+ * First method called when running the test
+ *
+ * This isn't defined as abstract as it's optional
+ *
+ * @access protected
+ */
+ function init()
+ {
+ }
+
+ /**
+ * Set Unit_Test2::$data
+ *
+ * @abstract
+ * @access protected
+ * @see Unit_Test2::$data
+ */
+ function data()
+ {
+ }
+
+ /**
+ * Set Unit_Test2::$expected
+ *
+ * @abstract
+ * @access protected
+ * @see Unit_Test2::$expected
+ */
+ function expected()
+ {
+ }
+
+ /**
+ * Actually run the test (should set Unit_Test::$result)
+ *
+ * @abstract
+ * @access protected
+ * @see Unit_Test2::$result
+ */
+ function test()
+ {
+ }
+
+ /**
+ * Check whether the result is valid (should call Unit_Test2::pass() or Unit_Test2::fail())
+ *
+ * @abstract
+ * @access protected
+ * @see Unit_Test2::$expected
+ * @see Unit_Test2::$result
+ */
+ function result()
+ {
+ }
+
+ /**
+ * Process a pass
+ *
+ * @access protected
+ */
+ function pass()
+ {
+ $this->passes++;
+ }
+
+ /**
+ * Process a fail
+ *
+ * @access protected
+ */
+ function fail()
+ {
+ $this->fails++;
+ }
+}
+
+/**
+ * Unit Test Group
+ *
+ * @package Unit Test
+ */
+class Unit_Test2_Group
+{
+ /**
+ * Unit Test Group Name
+ *
+ * @access protected
+ * @var mixed
+ */
+ var $name;
+
+ /**
+ * Tests
+ *
+ * @access protected
+ * @var array
+ */
+ var $tests = array(array());
+
+ /**
+ * Number of tests passed
+ *
+ * @access protected
+ * @var int
+ */
+ var $passes = 0;
+
+ /**
+ * Number of tests failed
+ *
+ * @access protected
+ * @var int
+ */
+ var $fails = 0;
+
+ /**
+ * Time taken to run tests
+ *
+ * @access protected
+ * @var float
+ */
+ var $time = 0.0;
+
+ /**
+ * Create Unit Test Group
+ *
+ * @access public
+ * @param string $name Unit Test Group Name
+ */
+ function Unit_Test2_Group($name)
+ {
+ $this->name = $name;
+ }
+
+ /**
+ * Unit Test Group Name
+ *
+ * @final
+ * @access public
+ * @return mixed
+ */
+ function name()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Number of tests passed
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function passes()
+ {
+ return (int) $this->passes;
+ }
+
+ /**
+ * Number of tests failed
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function fails()
+ {
+ return (int) $this->fails;
+ }
+
+ /**
+ * Total number of tests
+ *
+ * @final
+ * @access public
+ * @return int
+ */
+ function total()
+ {
+ return $this->passes() + $this->fails();
+ }
+
+ /**
+ * Time to run tests
+ *
+ * @final
+ * @access public
+ * @return float
+ */
+ function time()
+ {
+ return (float) $this->time;
+ }
+
+ /**
+ * Add a test (a Unit_Test2 child, or a Unit_Test2_Group)
+ *
+ * @access public
+ * @param object $test Test to add
+ */
+ function add($test)
+ {
+ $this->tests[$test->name()][] = $test;
+ }
+
+ /**
+ * Remove a test
+ *
+ * @access public
+ * @param string $name Test name
+ */
+ function remove($name)
+ {
+ unset($this->tests[$name]);
+ }
+
+ /**
+ * Load tests in folder
+ *
+ * This loads all the Unit_Test2 classes within files with the same
+ * extension as this file within the specified folder
+ *
+ * @access public
+ * @param string $folder Folder name
+ */
+ function load_folder($folder)
+ {
+ static $extension = null;
+ if (!$extension)
+ {
+ $extension = pathinfo(__FILE__, PATHINFO_EXTENSION);
+ }
+ $files = Unit_Test2_Files::get_files($folder);
+ $count_classes = count(get_declared_classes());
+ foreach ($files as $file)
+ {
+ if (is_file($file) && pathinfo($file, PATHINFO_EXTENSION) === $extension)
+ {
+ include $file;
+ }
+ }
+ $classes = array_slice(get_declared_classes(), $count_classes);
+ foreach ($classes as $class)
+ {
+ if ($this->is_subclass_of($class, 'Unit_Test2'))
+ {
+ $class = new $class;
+ if ($class->is_test())
+ {
+ $this->add($class);
+ }
+ }
+ }
+ }
+
+ /**
+ * Run the tests
+ *
+ * @access public
+ */
+ function run()
+ {
+ $this->pre();
+ $start_time = $this->microtime(true);
+ foreach ($this->tests as $tests)
+ {
+ foreach ($tests as $test)
+ {
+ if ($this->is_a($test, 'Unit_Test2') || $this->is_a($test, 'Unit_Test2_Group'))
+ {
+ $test->run();
+ $this->passes += $test->passes();
+ $this->fails += $test->fails();
+ }
+ }
+ }
+ $this->time = $this->microtime(true) - $start_time;
+ $this->post();
+ }
+
+ /**
+ * Executed before the tests are executed
+ *
+ * @abstract
+ * @access protected
+ */
+ function pre()
+ {
+ }
+
+ /**
+ * Executed after the tests are executed
+ *
+ * @abstract
+ * @access protected
+ */
+ function post()
+ {
+ }
+
+ /**
+ * Re-implementation of PHP 5.0.3's is_subclass_of()
+ *
+ * @access public
+ * @param mixed $object
+ * @param string $class_name
+ */
+ function is_subclass_of($object, $class_name)
+ {
+ if (func_num_args() != 2)
+ {
+ trigger_error('Wrong parameter count for SimplePie_Misc::is_subclass_of()', E_USER_WARNING);
+ }
+ else
+ {
+ if (version_compare(phpversion(), '5.0.3', '>=') || is_object($object))
+ {
+ return is_subclass_of($object, $class_name);
+ }
+ else if (is_string($object) && is_string($class_name))
+ {
+ if (class_exists($object))
+ {
+ if (class_exists($class_name))
+ {
+ $class_name = strtolower($class_name);
+ while ($object = strtolower(get_parent_class($object)))
+ {
+ if ($object == $class_name)
+ {
+ return true;
+ }
+ }
+ }
+ }
+ else
+ {
+ trigger_error('Unknown class passed as parameter', E_USER_WARNNG);
+ }
+ }
+ return false;
+ }
+ }
+
+ /**
+ * Re-implementation of PHP 4.2.0's is_a()
+ *
+ * @access public
+ * @param object $object The tested object
+ * @param string $class_name The class name
+ * @return bool Returns true if the object is of this class or has this class as one of its parents, false otherwise
+ */
+ function is_a($object, $class_name)
+ {
+ if (function_exists('is_a'))
+ {
+ return is_a($object, $class_name);
+ }
+ elseif (!is_object($object))
+ {
+ return false;
+ }
+ elseif (get_class($object) == strtolower($class_name))
+ {
+ return true;
+ }
+ else
+ {
+ return is_subclass_of($object, $class_name);
+ }
+ }
+
+ /**
+ * Re-implementation of PHP 5's microtime()
+ *
+ * @access public
+ * @param bool $get_as_float
+ */
+ function microtime($get_as_float = false)
+ {
+ if ($get_as_float)
+ {
+ if (is_float($time = microtime(true)))
+ {
+ return $time;
+ }
+ else
+ {
+ list($user, $sec) = explode(' ', $time);
+ return ((float) $user + (float) $sec);
+ }
+ }
+ else
+ {
+ // PHP6 will likely return a float by default, so explicitly pass false (this is just ignored under PHP < 5)
+ return microtime(false);
+ }
+ }
+}
+
+/**
+ * File listing class
+ *
+ * @package Unit Test
+ */
+class Unit_Test2_Files
+{
+ /**
+ * Get a list of files/folders within $dir
+ *
+ * @static
+ * @access public
+ * @param string $dir Folder to get listing for
+ * @return array
+ */
+ function get_files($dir)
+ {
+ $files = array();
+ if ($dh = opendir($dir))
+ {
+ while (($file = readdir($dh)) !== false)
+ {
+ if (substr($file, 0, 1) != '.')
+ {
+ $files[] = "$dir/$file";
+ }
+ }
+ closedir($dh);
+ usort($files, array(__CLASS__, 'sort_files'));
+ foreach ($files as $file)
+ {
+ if (is_dir($file))
+ {
+ array_splice($files, array_search($file, $files), 0, Unit_Test2_Files::get_files($file));
+ }
+ }
+ }
+ return $files;
+ }
+
+ /**
+ * Sort files/folders with files listed before inner folders
+ *
+ * @static
+ * @access public
+ * @param string $a File/folder 1
+ * @param string $b File/folder 2
+ * @return int
+ */
+ function sort_files($a, $b)
+ {
+ if (is_dir($a) && is_dir($b))
+ {
+ return strnatcmp($a, $b);
+ }
+ else if (is_dir($a))
+ {
+ return 1;
+ }
+ else if (is_dir($b))
+ {
+ return -1;
+ }
+ else
+ {
+ return strnatcmp($a, $b);
+ }
+ }
+}
+
+?> \ No newline at end of file
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