/**
* Set a function patch
*
* This method has '__' suffix, because if it matches real function name,
* '__callStatic()' catch it.
*
* @param string $function function name
* @param mixed $return_value return value or callable
* @param string $class_name class::method to apply this patch
*
* @throws LogicException
*/
public static function patch__($function, $return_value, $class_method = null)
{
$function = strtolower($function);
if (FunctionPatcher::isBlacklisted($function)) {
$msg = "<red>Can't patch on '{$function}'. It is in blacklist.</red>";
self::outputMessage($msg);
throw new LogicException($msg);
}
if (!FunctionPatcher::isWhitelisted($function)) {
$msg = "<red>Can't patch on '{$function}'. It is not in whitelist. If you want to patch it, please add it to 'functions_to_patch' in 'tests/Bootstrap.php'. But note that there are some limitations. See <https://github.com/kenjis/ci-phpunit-test/blob/master/docs/HowToWriteTests.md#patching-functions> for details.</red>";
self::outputMessage($msg);
throw new LogicException($msg);
}
self::$patches[$function] = $return_value;
self::$patches_to_apply[$function] = strtolower($class_method);
}
public function leaveNode(Node $node)
{
if (!$node instanceof FuncCall) {
return;
}
if (!$node->name instanceof Name) {
return;
}
if (!$node->name->isUnqualified()) {
return;
}
if (FunctionPatcher::isWhitelisted((string) $node->name) && !FunctionPatcher::isBlacklisted((string) $node->name)) {
$replacement = new FullyQualified(array());
$replacement->set('\\__FuncProxy__::' . (string) $node->name);
$pos = $node->getAttribute('startTokenPos');
FunctionPatcher::$replacement[$pos] = '\\__FuncProxy__::' . (string) $node->name;
$node->name = $replacement;
}
}
/**
* @expectedException LogicException
* @expectedExceptionMessage You can't add to whitelist after initialization
*/
public function test_addWhitelists()
{
FunctionPatcher::addWhitelists(['mt_rand']);
}
protected static function addTmpFunctionBlacklist()
{
$list = file(Cache::getTmpFunctionBlacklistFile());
foreach ($list as $function) {
FunctionPatcher::addBlacklist(trim($function));
}
}