support global and per-host configuration files
This commit is contained in:
Christian Weiske
parent
846e3a38cf
commit
82ee59779e
109
src/SemanticScuttle/Config.php
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109
src/SemanticScuttle/Config.php
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@ -0,0 +1,109 @@
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<?php
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/**
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* SemanticScuttle - your social bookmark manager.
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*
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* PHP version 5.
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*
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* @category Bookmarking
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* @package SemanticScuttle
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* @author Christian Weiske <cweiske@cweiske.de>
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* @license AGPL http://www.gnu.org/licenses/agpl.html
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* @link http://sourceforge.net/projects/semanticscuttle
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*/
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/**
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* Configuration handling
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*
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* @category Bookmarking
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* @package SemanticScuttle
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* @author Christian Weiske <cweiske@cweiske.de>
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* @license AGPL http://www.gnu.org/licenses/agpl.html
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* @link http://sourceforge.net/projects/semanticscuttle
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*/
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class SemanticScuttle_Config
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{
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/**
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* Prefix for configuration files.
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* Used to inject stream wrapper protocol for unit testing
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*
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* @var string
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*/
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public $filePrefix = '';
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/**
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* Finds the correct data directory
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*
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* @return string Full path to the data directory with a trailing slash
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*/
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protected function getDataDir()
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{
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if ('@data_dir@' == '@' . 'data_dir@') {
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//non pear-install
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$datadir = dirname(__FILE__) . '/../../data/';
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} else {
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//pear installation; files are in include path
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$datadir = '@data_dir@/SemanticScuttle/';
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}
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return $datadir;
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}
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/**
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* Tries to find a configuration file by looking in different
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* places:
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* - pear data_dir/SemanticScuttle/config-$hostname.php
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* - pear data_dir/SemanticScuttle/config.php
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* - /etc/semanticscuttle/config-$hostname.php
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* - /etc/semanticscuttle/config.php
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*
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* Paths with host name have priority.
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*
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* @return array Array with config file path as first value
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* and default config file path as second value.
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* Any may be NULL if not found
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*/
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public function findFiles()
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{
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//use basename to prevent path injection
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$host = basename($_SERVER['HTTP_HOST']);
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$datadir = $this->getDataDir();
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$arFiles = array(
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$datadir . 'config.' . $host . '.php',
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'/etc/semanticscuttle/config.' . $host . '.php',
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$datadir . 'config.php',
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'/etc/semanticscuttle/config.php',
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);
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$configfile = null;
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foreach ($arFiles as $file) {
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if (file_exists($this->filePrefix . $file)) {
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$configfile = $file;
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break;
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}
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}
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//find default file
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$arDefaultFiles = array_unique(
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array(
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substr($configfile, 0, -3) . 'default.php',
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$datadir . 'config.default.php',
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'/etc/semanticscuttle/config.default.php',
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)
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);
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$defaultfile = null;
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foreach ($arDefaultFiles as $file) {
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if (file_exists($this->filePrefix . $file)) {
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$defaultfile = $file;
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break;
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}
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}
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return array($configfile, $defaultfile);
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}
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}
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?>
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@ -25,8 +25,19 @@ if ('@data_dir@' == '@' . 'data_dir@') {
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//FIXME: when you have multiple installations, the www_dir will be wrong
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$wwwdir = '@www_dir@/SemanticScuttle/';
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}
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require_once dirname(__FILE__) . '/Config.php';
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if (!file_exists($datadir . '/config.php')) {
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$cfg = new SemanticScuttle_Config();
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list($configfile, $defaultfile) = $cfg->findFiles();
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if ($defaultfile === null) {
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header('HTTP/1.0 500 Internal Server Error');
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die(
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'No default configuration file config.default.php found.'
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. ' This is really, really strange'
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. "\n"
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);
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}
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if ($configfile === null) {
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header('HTTP/1.0 500 Internal Server Error');
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die(
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'Please copy "config.php.dist" to "config.php" in data/ folder.'
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@ -39,8 +50,8 @@ set_include_path(
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);
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// 1 // First requirements part (before debug management)
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require_once $datadir . '/config.default.php';
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require_once $datadir . '/config.php';
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require_once $defaultfile;
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require_once $configfile;
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if (isset($_GET['unittestMode']) && $_GET['unittestMode'] == 1
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) {
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206
tests/SemanticScuttle/ConfigTest.php
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206
tests/SemanticScuttle/ConfigTest.php
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@ -0,0 +1,206 @@
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<?php
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//that's PEAR's Stream_Var package
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require_once 'Stream/Var.php';
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class SemanticScuttle_ConfigTest_StreamVar extends Stream_Var {
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public function url_stat($path, $flags)
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{
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$url = parse_url($path);
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$scope = $url['host'];
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if (isset($url['path'])) {
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$varpath = substr($url['path'], 1);
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} else {
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$varpath = '';
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}
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if (!$this->_setPointer($scope, $varpath)) {
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return false;
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}
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return parent::url_stat($path, $flags);
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}
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}
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class SemanticScuttle_ConfigTest extends PHPUnit_Framework_TestCase
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{
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/**
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* Configuration object to test
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*/
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protected $cfg;
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public function setUpWrapper()
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{
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if (!in_array('unittest', stream_get_wrappers())) {
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stream_wrapper_register(
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'unittest', 'SemanticScuttle_ConfigTest_StreamVar'
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);
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}
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$this->cfg = $this->getMock(
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'SemanticScuttle_Config',
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array('getDataDir')
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);
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$this->cfg->expects($this->once())
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->method('getDataDir')
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->will($this->returnValue('/data-dir/'));
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$this->cfg->filePrefix = 'unittest://GLOBALS/unittest-dir';
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}
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public function testFindLocalData()
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{
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$this->setUpWrapper();
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$GLOBALS['unittest-dir']['data-dir'] = array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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);
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$this->assertEquals(
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array(
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'/data-dir/config.php',
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'/data-dir/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindHostPreferredOverNonHostConfig()
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{
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$this->setUpWrapper();
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$_SERVER['HTTP_HOST'] = 'foo.example.org';
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$GLOBALS['unittest-dir']['data-dir'] = array(
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'config.php' => 'content',
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'config.foo.example.org.php' => 'content',
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'config.default.php' => 'content'
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);
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$this->assertEquals(
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array(
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'/data-dir/config.foo.example.org.php',
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'/data-dir/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindEtcHostPreferredOverLocalConfigPhp()
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{
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$this->setUpWrapper();
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$_SERVER['HTTP_HOST'] = 'foo.example.org';
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$GLOBALS['unittest-dir'] = array(
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'etc' => array(
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'semanticscuttle' => array(
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'config.foo.example.org.php' => 'content',
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)
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),
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'data-dir' => array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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)
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);
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$this->assertEquals(
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array(
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'/etc/semanticscuttle/config.foo.example.org.php',
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'/data-dir/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindEtcConfig()
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{
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$this->setUpWrapper();
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$GLOBALS['unittest-dir'] = array(
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'etc' => array(
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'semanticscuttle' => array(
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'config.php' => 'content'
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)
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),
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'data-dir' => array(
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'config.default.php' => 'content'
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)
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);
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$this->assertEquals(
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array(
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'/etc/semanticscuttle/config.php',
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'/data-dir/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindEtcDefaultConfig()
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{
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$this->setUpWrapper();
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$GLOBALS['unittest-dir'] = array(
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'etc' => array(
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'semanticscuttle' => array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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)
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),
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);
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$this->assertEquals(
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array(
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'/etc/semanticscuttle/config.php',
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'/etc/semanticscuttle/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindLocalDefaultPreferredOverEtcDefault()
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{
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$this->setUpWrapper();
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$GLOBALS['unittest-dir'] = array(
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'etc' => array(
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'semanticscuttle' => array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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)
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),
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'data-dir' => array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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)
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);
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$this->assertEquals(
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array(
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'/data-dir/config.php',
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'/data-dir/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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public function testFindSameDirDefaultPreferred()
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{
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$this->setUpWrapper();
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$GLOBALS['unittest-dir'] = array(
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'etc' => array(
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'semanticscuttle' => array(
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'config.php' => 'content',
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'config.default.php' => 'content'
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)
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),
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'data-dir' => array(
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'config.default.php' => 'content'
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)
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);
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$this->assertEquals(
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array(
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'/etc/semanticscuttle/config.php',
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'/etc/semanticscuttle/config.default.php'
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),
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$this->cfg->findFiles()
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);
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}
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}
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?>
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