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<?php
class Loader_test extends CI_TestCase {
private $ci_obj;
public function set_up()
{
// Instantiate a new loader
$loader = $this->ci_core_class('loader');
$this->load = new $loader();
// Get CI instance
$this->ci_obj = $this->ci_instance();
// Set subclass prefix
$this->prefix = 'MY_';
$this->ci_set_config('subclass_prefix', $this->prefix);
}
// --------------------------------------------------------------------
public function test_library()
{
// Create library in VFS
$lib = 'unit_test_lib';
$class = 'CI_'.ucfirst($lib);
$this->ci_vfs_create(ucfirst($lib), '<?php class '.$class.' { }', $this->ci_base_root, 'libraries');
// Test is_loaded fail
$this->assertFalse($this->load->is_loaded(ucfirst($lib)));
// Test loading as an array.
$this->assertInstanceOf('CI_Loader', $this->load->library(array($lib)));
$this->assertTrue(class_exists($class), $class.' does not exist');
$this->assertAttributeInstanceOf($class, $lib, $this->ci_obj);
// Test a string given to params
$this->assertInstanceOf('CI_Loader', $this->load->library($lib, ' '));
// Create library w/o class
$lib = 'bad_test_lib';
$this->ci_vfs_create($lib, '', $this->ci_base_root, 'libraries');
// Test non-existent class
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested class: '.ucfirst($lib)
);
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
}
// --------------------------------------------------------------------
public function test_library_extension()
{
// Create library and extension in VFS
$name = 'ext_test_lib';
$lib = ucfirst($name);
$class = 'CI_'.$lib;
$ext = $this->prefix.$lib;
$this->ci_vfs_create($lib, '<?php class '.$class.' { }', $this->ci_base_root, 'libraries');
$this->ci_vfs_create($ext, '<?php class '.$ext.' extends '.$class.' { }', $this->ci_app_root, 'libraries');
// Test loading with extension
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
$this->assertTrue(class_exists($class), $class.' does not exist');
$this->assertTrue(class_exists($ext), $ext.' does not exist');
$this->assertAttributeInstanceOf($class, $name, $this->ci_obj);
$this->assertAttributeInstanceOf($ext, $name, $this->ci_obj);
// Test reloading with object name
$obj = 'exttest';
$this->assertInstanceOf('CI_Loader', $this->load->library($lib, NULL, $obj));
$this->assertAttributeInstanceOf($class, $obj, $this->ci_obj);
$this->assertAttributeInstanceOf($ext, $obj, $this->ci_obj);
// Test reloading
unset($this->ci_obj->$name);
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
$this->assertObjectNotHasAttribute($name, $this->ci_obj);
// Create baseless library
$name = 'ext_baseless_lib';
$lib = ucfirst($name);
$class = $this->prefix.$lib;
$this->ci_vfs_create($class, '<?php class '.$class.' { }', $this->ci_app_root, 'libraries');
// Test missing base class
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested class: '.$lib
);
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
}
// --------------------------------------------------------------------
public function test_library_config()
{
// Create library in VFS
$lib = 'unit_test_config_lib';
$class = 'CI_'.ucfirst($lib);
$content = '<?php class '.$class.' { public function __construct($params) { $this->config = $params; } }';
$this->ci_vfs_create(ucfirst($lib), $content, $this->ci_base_root, 'libraries');
// Create config file
$cfg = array(
'foo' => 'bar',
'bar' => 'baz',
'baz' => false
);
$this->ci_vfs_create($lib, '<?php $config = '.var_export($cfg, TRUE).';', $this->ci_app_root, 'config');
// Test object name and config
$obj = 'testy';
$this->assertInstanceOf('CI_Loader', $this->load->library($lib, NULL, $obj));
$this->assertTrue(class_exists($class), $class.' does not exist');
$this->assertAttributeInstanceOf($class, $obj, $this->ci_obj);
$this->assertEquals($cfg, $this->ci_obj->$obj->config);
// Test is_loaded
$this->assertEquals($obj, $this->load->is_loaded(ucfirst($lib)));
}
// --------------------------------------------------------------------
public function test_load_library_in_application_dir()
{
// Create library in VFS
$lib = 'super_test_library';
$class = ucfirst($lib);
$this->ci_vfs_create(ucfirst($lib), '<?php class '.$class.' { }', $this->ci_app_root, 'libraries');
// Load library
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
// Was the model class instantiated.
$this->assertTrue(class_exists($class), $class.' does not exist');
$this->assertAttributeInstanceOf($class, $lib, $this->ci_obj);
}
// --------------------------------------------------------------------
public function test_driver()
{
// Call the autoloader, to include system/libraries/Driver.php
class_exists('CI_Driver_Library', TRUE);
// Create driver in VFS
$driver = 'unit_test_driver';
$dir = ucfirst($driver);
$class = 'CI_'.$dir;
$content = '<?php class '.$class.' { } ';
$this->ci_vfs_create(ucfirst($driver), $content, $this->ci_base_root, 'libraries/'.$dir);
// Test loading as an array.
$this->assertInstanceOf('CI_Loader', $this->load->driver(array($driver)));
$this->assertTrue(class_exists($class), $class.' does not exist');
$this->assertAttributeInstanceOf($class, $driver, $this->ci_obj);
// Test loading as a library with a name
$obj = 'testdrive';
$this->assertInstanceOf('CI_Loader', $this->load->library($driver, NULL, $obj));
$this->assertAttributeInstanceOf($class, $obj, $this->ci_obj);
// Test a string given to params
$this->assertInstanceOf('CI_Loader', $this->load->driver($driver, ' '));
}
// --------------------------------------------------------------------
public function test_models()
{
$this->ci_set_core_class('model', 'CI_Model');
// Create model in VFS
$model = 'Unit_test_model';
$content = '<?php class '.$model.' extends CI_Model {} ';
$this->ci_vfs_create($model, $content, $this->ci_app_root, 'models');
// Load model
$this->assertInstanceOf('CI_Loader', $this->load->model($model));
// Was the model class instantiated.
$this->assertTrue(class_exists($model));
$this->assertObjectHasAttribute($model, $this->ci_obj);
// Test no model given
$this->assertInstanceOf('CI_Loader', $this->load->model(''));
}
// --------------------------------------------------------------------
public function test_model_subdir()
{
// Make sure base class is loaded - we'll test _ci_include later
$this->ci_core_class('model');
// Create modelin VFS
$model = 'Test_sub_model';
$base = 'CI_Model';
$subdir = 'cars';
$this->ci_vfs_create($model, '<?php class '.$model.' extends '.$base.' { }', $this->ci_app_root,
array('models', $subdir));
// Load model
$name = 'testors';
$this->assertInstanceOf('CI_Loader', $this->load->model($subdir.'/'.$model, $name));
// Was the model class instantiated?
$this->assertTrue(class_exists($model));
$this->assertObjectHasAttribute($name, $this->ci_obj);
$this->assertAttributeInstanceOf($base, $name, $this->ci_obj);
$this->assertAttributeInstanceOf($model, $name, $this->ci_obj);
// Test name conflict
$obj = 'conflict';
$this->ci_obj->$obj = new stdClass();
$this->setExpectedException(
'RuntimeException',
'CI Error: The model name you are loading is the name of a resource that is already being used: '.$obj
);
$this->load->model('not_real', $obj);
}
// --------------------------------------------------------------------
public function test_non_existent_model()
{
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to locate the model you have specified: Ci_test_nonexistent_model.php'
);
$this->load->model('ci_test_nonexistent_model.php');
}
// --------------------------------------------------------------------
// public function testDatabase()
// {
// $this->assertInstanceOf('CI_Loader', $this->load->database());
// $this->assertInstanceOf('CI_Loader', $this->load->dbutil());
// }
// --------------------------------------------------------------------
public function test_load_view()
{
// Create view in VFS
$view = 'unit_test_view';
$var = 'hello';
$value = 'World!';
$content = 'This is my test page. ';
$this->ci_vfs_create($view, $content.'<?php echo $'.$var.';', $this->ci_app_root, 'views');
// Test returning view
$out = $this->load->view($view, array($var => $value), TRUE);
$this->assertEquals($content.$value, $out);
// Mock output class
$output = $this->getMock('CI_Output', array('append_output'));
$output->expects($this->once())->method('append_output')->with($content.$value);
$this->ci_instance_var('output', $output);
// Test view output
$this->assertInstanceOf('CI_Loader', $this->load->view($view, array($var => $value)));
}
// --------------------------------------------------------------------
public function test_non_existent_view()
{
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested file: ci_test_nonexistent_view.php'
);
$this->load->view('ci_test_nonexistent_view', array('foo' => 'bar'));
}
// --------------------------------------------------------------------
public function test_file()
{
// Create view in VFS
$dir = 'views';
$file = 'ci_test_mock_file';
$content = 'Here is a test file, which we will load now.';
$this->ci_vfs_create($file, $content, $this->ci_app_root, $dir);
// Just like load->view(), take the output class out of the mix here.
$out = $this->load->file(APPPATH.$dir.'/'.$file.'.php', TRUE);
$this->assertEquals($content, $out);
// Test non-existent file
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested file: ci_test_file_not_exists'
);
$this->load->file('ci_test_file_not_exists', TRUE);
}
// --------------------------------------------------------------------
public function test_vars()
{
$key1 = 'foo';
$val1 = 'bar';
$key2 = 'boo';
$val2 = 'hoo';
$this->assertInstanceOf('CI_Loader', $this->load->vars(array($key1 => $val1)));
$this->assertInstanceOf('CI_Loader', $this->load->vars($key2, $val2));
$this->assertEquals($val1, $this->load->get_var($key1));
$this->assertEquals(array($key1 => $val1, $key2 => $val2), $this->load->get_vars());
}
// --------------------------------------------------------------------
public function test_helper()
{
// Create helper in VFS
$helper = 'test';
$func = '_my_helper_test_func';
$content = '<?php function '.$func.'() { return TRUE; } ';
$this->ci_vfs_create($helper.'_helper', $content, $this->ci_base_root, 'helpers');
// Create helper extension
$exfunc = '_my_extension_func';
$content = '<?php function '.$exfunc.'() { return TRUE; } ';
$this->ci_vfs_create($this->prefix.$helper.'_helper', $content, $this->ci_app_root, 'helpers');
// Load helper
$this->assertInstanceOf('CI_Loader', $this->load->helper($helper));
$this->assertTrue(function_exists($func), $func.' does not exist');
$this->assertTrue(function_exists($exfunc), $exfunc.' does not exist');
// Create baseless extension
$ext = 'bad_ext';
$this->ci_vfs_create($this->prefix.$ext.'_helper', '', $this->ci_app_root, 'helpers');
// Test bad extension
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested file: helpers/'.$ext.'_helper.php'
);
$this->load->helper($ext);
}
// --------------------------------------------------------------------
public function test_non_existent_helper()
{
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested file: helpers/bad_helper.php'
);
$this->load->helper('bad');
}
// --------------------------------------------------------------------
public function test_loading_multiple_helpers()
{
// Create helpers in VFS
$helpers = array();
$funcs = array();
$files = array();
for ($i = 1; $i <= 3; ++$i) {
$helper = 'test'.$i;
$helpers[] = $helper;
$func = '_my_helper_test_func'.$i;
$funcs[] = $func;
$files[$helper.'_helper'] = '<?php function '.$func.'() { return TRUE; } ';
}
$this->ci_vfs_create($files, NULL, $this->ci_base_root, 'helpers');
// Load helpers
$this->assertInstanceOf('CI_Loader', $this->load->helpers($helpers));
// Verify helper existence
foreach ($funcs as $func) {
$this->assertTrue(function_exists($func), $func.' does not exist');
}
}
// --------------------------------------------------------------------
public function test_language()
{
// Mock lang class and test load call
$file = 'test';
$lang = $this->getMock('CI_Lang', array('load'));
$lang->expects($this->once())->method('load')->with($file);
$this->ci_instance_var('lang', $lang);
$this->assertInstanceOf('CI_Loader', $this->load->language($file));
}
// --------------------------------------------------------------------
public function test_packages()
{
// Create model in VFS package path
$dir = 'third-party';
$lib = 'unit_test_package';
$class = 'CI_'.ucfirst($lib);
$this->ci_vfs_create(ucfirst($lib), '<?php class '.$class.' { }', $this->ci_app_root, array($dir, 'libraries'));
// Get paths
$paths = $this->load->get_package_paths(TRUE);
// Add path and verify
$path = APPPATH.$dir.'/';
$this->assertInstanceOf('CI_Loader', $this->load->add_package_path($path));
$this->assertContains($path, $this->load->get_package_paths(TRUE));
// Test successful load
$this->assertInstanceOf('CI_Loader', $this->load->library($lib));
$this->assertTrue(class_exists($class), $class.' does not exist');
// Add another path
$path2 = APPPATH.'another/';
$this->assertInstanceOf('CI_Loader', $this->load->add_package_path($path2));
$this->assertContains($path2, $this->load->get_package_paths(TRUE));
// Remove last path
$this->assertInstanceOf('CI_Loader', $this->load->remove_package_path());
$this->assertNotContains($path2, $this->load->get_package_paths(TRUE));
// Remove path and verify restored paths
$this->assertInstanceOf('CI_Loader', $this->load->remove_package_path($path));
$this->assertEquals($paths, $this->load->get_package_paths(TRUE));
// Test failed load without path
$this->setExpectedException(
'RuntimeException',
'CI Error: Unable to load the requested class: '.ucfirst($lib)
);
$this->load->library($lib);
}
// --------------------------------------------------------------------
public function test_load_config()
{
$cfg = 'someconfig';
$this->assertTrue($this->load->config($cfg, FALSE));
$this->assertContains($cfg, $this->ci_obj->config->loaded);
}
// --------------------------------------------------------------------
public function test_initialize()
{
// Create helper in VFS
$helper = 'autohelp';
$hlp_func = '_autohelp_test_func';
$content = '<?php function '.$hlp_func.'() { return TRUE; }';
$this->ci_vfs_create($helper.'_helper', $content, $this->ci_app_root, 'helpers');
// Create library in VFS
$lib = 'autolib';
$lib_class = 'CI_'.ucfirst($lib);
$this->ci_vfs_create(ucfirst($lib), '<?php class '.$lib_class.' { }', $this->ci_base_root, 'libraries');
// Create driver in VFS
$drv = 'autodrv';
$subdir = ucfirst($drv);
$drv_class = 'CI_'.$subdir;
$this->ci_vfs_create(ucfirst($drv), '<?php class '.$drv_class.' { }', $this->ci_base_root, array('libraries', $subdir));
// Create model in VFS package path
$dir = 'testdir';
$path = APPPATH.$dir.'/';
$model = 'Automod';
$this->ci_vfs_create($model, '<?php class '.$model.' { }', $this->ci_app_root, array($dir, 'models'));
// Create autoloader config
$cfg = array(
'packages' => array($path),
'helper' => array($helper),
'libraries' => array($lib),
'drivers' => array($drv),
'model' => array($model),
'config' => array('config1', 'config2')
);
$this->ci_vfs_create('autoload', '<?php $autoload = '.var_export($cfg, TRUE).';', $this->ci_app_root, 'config');
$this->load->initialize();
// Verify path
$this->assertContains($path, $this->load->get_package_paths());
// Verify helper
$this->assertTrue(function_exists($hlp_func), $hlp_func.' does not exist');
// Verify library
$this->assertTrue(class_exists($lib_class), $lib_class.' does not exist');
$this->assertAttributeInstanceOf($lib_class, $lib, $this->ci_obj);
// Verify driver
$this->assertTrue(class_exists($drv_class), $drv_class.' does not exist');
$this->assertAttributeInstanceOf($drv_class, $drv, $this->ci_obj);
// Verify model
$this->assertTrue(class_exists($model), $model.' does not exist');
$this->assertAttributeInstanceOf($model, $model, $this->ci_obj);
// Verify config calls
$this->assertEquals($cfg['config'], $this->ci_obj->config->loaded);
}
}
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