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<?php

class Config_test extends CI_TestCase {

public function set_up()

{

$cls =& $this->ci_core_class('cfg');

// set predictable config values

$this->cfg = array(

'index_page' => 'index.php',

'base_url' => 'http://example.com/',

'subclass_prefix' => 'MY_'

);

$this->ci_set_config($this->cfg);

$this->config = new $cls;

}

// --------------------------------------------------------------------

public function test_item()

{

$this->assertEquals($this->cfg['base_url'], $this->config->item('base_url'));

// Bad Config value

$this->assertNull($this->config->item('no_good_item'));

// Index

$this->assertNull($this->config->item('no_good_item', 'bad_index'));

$this->assertNull($this->config->item('no_good_item', 'default'));

}

// --------------------------------------------------------------------

public function test_set_item()

{

$this->assertNull($this->config->item('not_yet_set'));

$this->config->set_item('not_yet_set', 'is set');

$this->assertEquals('is set', $this->config->item('not_yet_set'));

}

// --------------------------------------------------------------------

public function test_slash_item()

{

// Bad Config value

$this->assertNull($this->config->slash_item('no_good_item'));

$this->assertEquals($this->cfg['base_url'], $this->config->slash_item('base_url'));

$this->assertEquals($this->cfg['subclass_prefix'].'/', $this->config->slash_item('subclass_prefix'));

}

// --------------------------------------------------------------------

public function test_base_url()

{

// Test regular base URL

$base_url = $this->cfg['base_url'];

$this->assertEquals($base_url, $this->config->base_url());

// Test with URI

$uri = 'test';

$this->assertEquals($base_url.$uri, $this->config->base_url($uri));

// Clear base_url

$this->ci_set_config('base_url', '');

// Rerun constructor

$cls =& $this->ci_core_class('cfg');

$this->config = new $cls;

// Test default base

$this->assertEquals('http://localhost/', $this->config->base_url());

// Capture server vars

$old_host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : NULL;

$old_script_name = isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : NULL;

$old_script_filename = $_SERVER['SCRIPT_FILENAME'];

$old_https = isset($_SERVER['HTTPS']) ? $_SERVER['HTTPS'] : NULL;

$old_server_addr = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : NULL;

// The 'Host' header is user input and must not be trusted

$_SERVER['HTTP_HOST'] = 'test.com';

$this->config = new $cls;

$this->assertEquals('http://localhost/', $this->config->base_url());

// However, we may fallback to the server's IP address

$_SERVER['SERVER_ADDR'] = '127.0.0.1';

$_SERVER['SCRIPT_NAME'] = '/base_test.php';

$_SERVER['SCRIPT_FILENAME'] = '/foo/bar/base_test.php';

$this->config = new $cls;

$this->assertEquals('http://127.0.0.1/', $this->config->base_url());

// Making sure that HTTPS and URI path are also detected

$_SERVER['HTTPS'] = 'on';

$_SERVER['SCRIPT_NAME'] = '/path/base_test.php';

$_SERVER['SCRIPT_FILENAME'] = '/foo/bar/path/base_test.php';

$this->config = new $cls;

$this->assertEquals('https://127.0.0.1/path/', $this->config->base_url());

// Restore server vars

$_SERVER['HTTP_HOST'] = $old_host;

$_SERVER['SCRIPT_NAME'] = $old_script_name;

$_SERVER['SCRIPT_FILENAME'] = $old_script_filename;

$_SERVER['HTTPS'] = $old_https;

$_SERVER['SERVER_ADDR'] = $old_server_addr;

}

// --------------------------------------------------------------------

public function test_site_url()

{

$base_url = $this->cfg['base_url'];

$index_page = $this->cfg['index_page'];

$this->assertEquals($base_url.$index_page, $this->config->site_url());

$old_base = $this->config->item('base_url');

$this->config->set_item('base_url', '');

$q_string = $this->config->item('enable_query_strings');

$this->config->set_item('enable_query_strings', FALSE);

$uri = 'test';

$uri2 = '1';

$this->assertEquals($index_page.'/'.$uri, $this->config->site_url($uri));

$this->assertEquals($index_page.'/'.$uri.'/'.$uri2, $this->config->site_url(array($uri, $uri2)));

$this->assertEquals($index_page.'/test/', $this->config->site_url('test/'));

$suffix = 'ing';

$this->config->set_item('url_suffix', $suffix);

$arg = 'pass';

$this->assertEquals($index_page.'/'.$uri.$suffix, $this->config->site_url($uri));

$this->assertEquals($index_page.'/'.$uri.$suffix.'?'.$arg, $this->config->site_url($uri.'?'.$arg));

$this->config->set_item('url_suffix', FALSE);

$this->config->set_item('enable_query_strings', TRUE);

$this->assertEquals($index_page.'?'.$uri, $this->config->site_url($uri));

$this->assertEquals($index_page.'?0='.$uri.'&1='.$uri2, $this->config->site_url(array($uri, $uri2)));

$this->config->set_item('base_url', $old_base);

$this->assertEquals($base_url.$index_page.'?'.$uri, $this->config->site_url($uri));

// back to home base

$this->config->set_item('enable_query_strings', $q_string);

}

// --------------------------------------------------------------------

public function test_load()

{

// Test regular load

$file = 'test.php';

$key = 'testconfig';

$val = 'my_value';

$cfg = array($key => $val);

$this->ci_vfs_create($file, '<?php $config = '.var_export($cfg, TRUE).';', $this->ci_app_root, 'config');

$this->assertTrue($this->config->load($file));

$this->assertEquals($val, $this->config->item($key));

// Test reload - value should not change

$val2 = 'new_value';

$cfg = array($key => $val2);

$this->ci_vfs_create($file, '<?php $config = '.var_export($cfg, TRUE).';', $this->ci_app_root, 'config');

$this->assertTrue($this->config->load($file));

$this->assertEquals($val, $this->config->item($key));

// Test section load

$file = 'secttest';

$cfg = array(

'one' => 'prime',

'two' => 2,

'three' => TRUE

);

$this->ci_vfs_create($file.'.php', '<?php $config = '.var_export($cfg, TRUE).';', $this->ci_app_root, 'config');

$this->assertTrue($this->config->load($file, TRUE));

$this->assertEquals($cfg, $this->config->item($file));

// Test section merge

$cfg2 = array(

'three' => 'tres',

'number' => 42,

'letter' => 'Z'

);

$pkg_dir = 'package';

$this->ci_vfs_create(

$file.'.php',

'<?php $config = '.var_export($cfg2, TRUE).';',

$this->ci_app_root,

array($pkg_dir, 'config')

);

array_unshift($this->config->_config_paths, $this->ci_vfs_path($pkg_dir.'/', APPPATH));

$this->assertTrue($this->config->load($file, TRUE));

$this->assertEquals(array_merge($cfg, $cfg2), $this->config->item($file));

array_shift($this->config->_config_paths);

// Test graceful fail of invalid file

$file = 'badfile';

$this->ci_vfs_create($file, '', $this->ci_app_root, 'config');

$this->assertFalse($this->config->load($file, FALSE, TRUE));

// Test regular fail of invalid file

$this->setExpectedException(

'RuntimeException',

'CI Error: Your '.$this->ci_vfs_path('config/'.$file.'.php', APPPATH).

' file does not appear to contain a valid configuration array.'

);

$this->assertNull($this->config->load($file));

}

// --------------------------------------------------------------------

public function test_load_nonexistent()

{

// Test graceful fail of nonexistent file

$this->assertFalse($this->config->load('not_config_file', FALSE, TRUE));

// Test regular fail

$file = 'absentia';

$this->setExpectedException(

'RuntimeException',

'CI Error: The configuration file '.$file.'.php does not exist.'

);

$this->assertNull($this->config->load($file));

}

}