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-# CodeIgniter Unit Tests #
-
-Status : [![Build Status](https://secure.travis-ci.org/bcit-ci/CodeIgniter.png?branch=develop)](http://travis-ci.org/bcit-ci/CodeIgniter)
-
-### Introduction:
-
-This is the preliminary CodeIgniter testing documentation. It
-will cover both internal as well as external APIs and the reasoning
-behind their implementation, where appropriate. As with all CodeIgniter
-documentation, this file should maintain a mostly human readable
-format to facilitate clean api design. [see http://arrenbrecht.ch/testing/]
-
-*First public draft: everything is subject to change*
-
-### Requirements
-
-PHP Unit >= 3.5.6
-
-	pear channel-discover pear.phpunit.de
-	pear channel-discover pear.symfony.com
-	pear install phpunit/PHPUnit
-
-vfsStream
-
-	pear channel-discover pear.bovigo.org
-	pear install bovigo/vfsStream-beta
-
-#### Installation of PEAR and PHPUnit on Ubuntu
-
-  Installation on Ubuntu requires a few steps. Depending on your setup you may
-  need to use 'sudo' to install these. Mileage may vary but these steps are a
-  good start.
-
-	# Install the PEAR package
-	sudo apt-get install php-pear
-
-	# Add a few sources to PEAR
-	pear channel-discover pear.phpunit.de
-	pear channel-discover pear.symfony-project.com
-	pear channel-discover components.ez.no
-	pear channel-discover pear.bovigo.org
-
-	# Finally install PHPUnit and vfsStream (including dependencies)
-	pear install --alldeps phpunit/PHPUnit
-	pear install --alldeps bovigo/vfsStream-beta
-
-	# Finally, run 'phpunit' from within the ./tests directory
-	# and you should be on your way!
-
-## Test Suites:
-
-CodeIgniter bootstraps a request very directly, with very flat class
-hierarchy. As a result, there is no main CodeIgniter class until the
-controller is instantiated.
-
-This has forced the core classes to be relatively decoupled, which is
-a good thing. However, it makes that portion of code relatively hard
-to test.
-
-Right now that means we'll probably have two core test suites, along
-with a base for application and package tests. That gives us:
-
-1. Bootstrap Test	- test common.php and sanity check codeigniter.php [in planning]
-2. System Test		- test core components in relative isolation [in development]
-3. Application Test	- bootstrapping for application/tests [not started]
-4. Package Test		- bootstrapping for <package>/tests [not started]
-
-### Test Environment:
-
-The test/Bootstrap.php file establishes global constants such as BASEPATH,
-APPPATH, and VIEWPATH, initializing them to point to VFS locations. The
-test case class employs vfsStream to make a clean virtual filesystem with
-the necessary paths for every individual test.
-
-Within each test case, VFS directory objects are available to use as arguments
-to the VFS convenience functions (see below):
-
-- ci_vfs_root: VFS filesystem root
-- ci_app_root: Application directory
-- ci_base_root: System directory
-- ci_view_root: Views directory
-
-Classes being instantiated for testing are read from the actual filesystem
-by the unit test autoloader, as are mockups created in tests/mocks. If you
-need access to the real system directory, the SYSTEM_PATH constant always
-points to it.
-
-Any other resources which need to be read from the path constants must be
-created or cloned within your test. Functions for doing so are outlined
-below.
-
-### CI_TestCase Documentation
-
-Test cases should extend CI_TestCase. This internally extends
-PHPUnit\_Framework\_TestCase, so you have access to all of your
-usual PHPUnit methods.
-
-We need to provide a simple way to modify the globals and the
-common function output. We also need to be able to mock up
-the super object as we please.
-
-Current API is *not stable*. Names and implementations will change.
-
-    $this->ci_set_config($key, $val)
-
-Set the global config variables in a mock Config object. If key is an array,
-it will replace the entire config array. They are _not_ merged. If called
-without any parameters, it will create the mock object but not set any values.
-The mock Config object also provides rudimentary item() and load() stubs for
-delivering configured values to classes being tested and handling config load
-calls, respectively. The load() stub does _not_ actually load any files, it
-only records the filename provided. Check the config->loaded array to verify
-calls made.
-
-    $this->ci_instance($obj)
-
-Set the object to use as the "super object", in a lot
-of cases this will be a simple stdClass with the attributes
-you need it to have. If no parameter, will return the instance.
-
-	$this->ci_instance_var($name, $val)
-
-Add an attribute to the super object. This is useful if you
-set up a simple instance in setUp and then need to add different
-class mockups to your super object.
-
-	$this->ci_core_class($name)
-
-Get the _class name_ of a core class, so that you can instantiate
-it. The variable is returned by reference and is tied to the correct
-$GLOBALS key. For example:
-    
-	$cfg =& $this->ci_core_class('cfg'); // returns 'CI_Config'
-    $cfg = new $cfg; // instantiates config and overwrites the CFG global
-
-	$this->ci_set_core_class($name, $obj)
-
-An alternative way to set one of the core globals.
-
-	$this->ci_vfs_mkdir($name, $root)
-
-Creates a new directory in the test VFS. Pass a directory object to be the
-parent directory or none to create a root-level directory. Returns the new
-directory object.
-
-	$this->ci_vfs_create($file, $content, $root, $path)
-
-Creates a new VFS file. '.php' is automatically appended to the filename if
-it has no extension. Pass a directory object as the root, and an optional path
-to recurse and/or create for containing the file. Path may be a string (such
-as 'models/subdir') or an array (e.g. - array('models', 'subdir') ). Existing
-directories in the VFS root will be recursed until a new directory is
-identified - all others in the path will be created, so you can mix-and-match
-old and new directories. If $file is an array (key = name, value = content),
-multiple files will be created in the same path.
-
-	$this->ci_vfs_clone($path)
-
-Clones an existing file from the real filesystem to exist in the same path of
-the VFS. Path must be relative to the project root (i.e. - starting with
-'system' or 'application').
-
-	$this->ci_vfs_path($path, $base)
-
-Creates a VFS file path string suitable for use with PHP file operations. Path
-may be absolute from the VFS root, or relative to a base path. It is often
-useful to use APPPATH or BASEPATH as the base.
-
-	$this->helper($name)
-
-Loads a helper from the real filesystem.
-
-	$this->lang($name)
-
-Loads a language file from the real filesystem and returns the $lang array.
-
-	$this->ci_get_config()  __internal__
-
-Returns the global config array. Internal as you shouldn't need to
-call this (you're setting it, after all). Used internally to make
-CI's get_config() work.
-
-	CI_TestCase::instance()  __internal__
-
-Returns an instance of the current test case. We force phpunit to
-run with backup-globals enabled, so this will always be the instance
-of the currently running test class.
-
-### Going forward
-
-#### 1. Bootstrap Test
-
-Testing common.php should be pretty simple. Include the file, and test the
-functions. May require some tweaking so that we can grab the statics from all
-methods (see is_loaded()). Testing the actual CodeIgniter.php file will most
-likely be an output test for the default view, with some object checking after
-the file runs. Needs consideration.
-
-#### 2. System Test
-
-Testing the core system relies on being able to isolate the core components
-as much as possible. A few of them access other core classes as globals. These
-should be mocked up and easy to manipulate.
-
-All functions in common.php should be a minimal implementation, or and mapped
-to a method in the test's parent class to gives us full control of their output.
-
-#### 3. Application Test:
-
-Not sure yet, needs to handle:
-
-- Libraries
-- Helpers
-- Models
-- MY_* files
-- Controllers (uh...?)
-- Views? (watir, selenium, cucumber?)
-- Database Testing
-
-#### 4. Package Test:
-
-I don't have a clue how this will work.
-
-Needs to be able to handle packages
-that are used multiple times within the application (i.e. EE/Pyro modules)
-as well as packages that are used by multiple applications (library distributions)
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