/**
* Set upt the test environment
*/
public function setUp()
{
$this->dataDirs = array(__DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'Data');
// get the objects we need
$config = new Config();
$config->setValue('autoload/dirs', $this->dataDirs);
$config->setValue('enforcement/dirs', array());
$this->structureMap = new StructureMap($config->getValue('autoload/dirs'), $config->getValue('enforcement/dirs'), $config);
// fill the map
$this->structureMap->fill();
}
/**
* Will return true if the specified file has specified contracts, false if not.
*
* @param string $file File to check for contracts
*
* @return bool
*/
protected function findContracts($file)
{
// We need to get our array of needles
$needles = array(PBC_KEYWORD_INVARIANT, PBC_KEYWORD_POST, PBC_KEYWORD_PRE);
// If we have to enforce things like @param or @returns, we have to be more sensitive
if ($this->config->getValue('enforcement/enforce-default-type-safety') === true) {
$needles[] = '@var';
$needles[] = '@param';
$needles[] = '@return';
}
// Open the file and search it piece by piece until we find something or the file ends.
$rsc = fopen($file, 'r');
$recent = '';
while (!feof($rsc)) {
// Get a current chunk
$current = fread($rsc, 512);
// We also check the last chunk as well, to avoid cutting the only needle we have in two.
$haystack = $recent . $current;
foreach ($needles as $needle) {
// If we found something we can return true
if (strpos($haystack, $needle) !== false) {
return true;
}
}
// Set recent for the next iteration
$recent = $current;
}
// Still here? So nothing was found.
return false;
}
/**
* Will load any given structure based on it's availability in our structure map which depends on the configured
* project directories.
* If the structure cannot be found we will redirect to the composer autoloader which we registered as a fallback
*
* @param string $className The name of the structure we will try to load
*
* @return bool
*/
public function loadClass($className)
{
// There was no file in our cache dir, so lets hope we know the original path of the file.
$autoLoaderConfig = $this->config->getConfig('autoloader');
// Might the class be a omitted one? If so we can require the original.
if (isset($autoLoaderConfig['omit'])) {
foreach ($autoLoaderConfig['omit'] as $omitted) {
// If our class name begins with the omitted part e.g. it's namespace
if (strpos($className, str_replace('\\\\', '\\', $omitted)) === 0) {
return false;
}
}
}
// Do we have the file in our cache dir? If we are in development mode we have to ignore this.
$cacheConfig = $this->config->getConfig('cache');
if ($this->config->getConfig('environment') !== 'development') {
$cachePath = $cacheConfig['dir'] . DIRECTORY_SEPARATOR . str_replace('\\', '_', $className) . '.php';
if (is_readable($cachePath)) {
$res = fopen($cachePath, 'r');
$str = fread($res, 384);
$success = preg_match('/' . PBC_ORIGINAL_PATH_HINT . '(.+)' . PBC_ORIGINAL_PATH_HINT . '/', $str, $tmp);
if ($success > 0) {
$tmp = explode('#', $tmp[1]);
$path = $tmp[0];
$mTime = $tmp[1];
if (filemtime($path) == $mTime) {
require $cachePath;
return true;
}
}
}
}
// If we are loading something of our own library we can skip to composer
if (strpos($className, 'TechDivision\\PBC') === 0 && strpos($className, 'TechDivision\\PBC\\Tests') === false || strpos($className, 'PHP') === 0) {
return false;
}
// If the structure map did not get filled by now we will do so here
if ($this->structureMap->isEmpty()) {
$this->structureMap->fill();
}
// Get the file from the map
$file = $this->structureMap->getEntry($className);
// Did we get something? If not return false.
if ($file === false) {
return false;
}
// We are still here, so we know the class and it is not omitted. Does it contain contracts then?
if (!$file->hasContracts() || !$file->isEnforced()) {
require $file->getPath();
return true;
}
// So we have to create a new class definition for this original class.
// Get a current cache instance if we do not have one already.
if ($this->cache === null) {
// We also require the classes of our maps as we do not have proper autoloading in place
$this->cache = new CacheMap($cacheConfig['dir'], array(), $this->config);
}
$this->generator = new Generator($this->structureMap, $this->cache, $this->config);
// Create the new class definition
if ($this->generator->create($file, $this->config->getValue('enforcement/contract-inheritance')) === true) {
// Require the new class, it should have been created now
$file = $this->generator->getFileName($className);
if (is_readable($file) === true) {
require $file;
return true;
}
} else {
return false;
}
// Still here? That sounds like bad news!
return false;
}
/**
* Test the extendValue() method
*
* @return void
*
* @depends testSetValue
* @depends testGetValue
*/
public function testExtendValue()
{
// Get our config
$config = new Config();
// Test string concatination
$config->extendValue('environment', 'test');
$this->assertEquals('productiontest', $config->getValue('environment'));
// Test array extension
$config->extendValue('enforcement/omit', array('Tests'));
$this->assertEquals(array('PHPUnit', 'Psr\\Log', 'PHP', 'Tests'), $config->getValue('enforcement/omit'));
}
