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<?php
declare(strict_types=1);
namespace Codeception;
use ArrayAccess;
use Codeception\Exception\ModuleConfigException;
use Codeception\Exception\ModuleException;
use Codeception\Lib\Interfaces\RequiresPackage;
use Codeception\Lib\ModuleContainer;
use Codeception\Util\Shared\Asserts;
use Exception;
/**
* Basic class for Modules and Helpers.
* You must extend from it while implementing own helpers.
*
* Public methods of this class start with `_` prefix in order to ignore them in actor classes.
* Module contains **HOOKS** which allow to handle test execution routine.
*
*/
abstract class Module
{
use Asserts;
/**
* By setting it to false module wan't inherit methods of parent class.
*/
public static bool $includeInheritedActions = true;
/**
* Allows to explicitly set what methods have this class.
*/
public static array $onlyActions = [];
/**
* Allows to explicitly exclude actions from module.
*/
public static array $excludeActions = [];
/**
* Allows to rename actions
*/
public static array $aliases = [];
protected array $storage = [];
protected array $config = [];
protected array $backupConfig = [];
protected array $requiredFields = [];
/**
* Module constructor.
*
* Requires module container (to provide access between modules of suite) and config.
*/
public function __construct(protected ModuleContainer $moduleContainer, ?array $config = null)
{
$this->backupConfig = $this->config;
if (is_array($config)) {
$this->_setConfig($config);
}
}
/**
* Allows to define initial module config.
* Can be used in `_beforeSuite` hook of Helpers or Extensions
*
* ```php
* <?php
* public function _beforeSuite($settings = []) {
* $this->getModule('otherModule')->_setConfig($this->myOtherConfig);
* }
* ```
*
* @throws ModuleConfigException|ModuleException
*/
public function _setConfig(array $config): void
{
$this->config = array_merge($this->config, $config);
$this->backupConfig = $this->config;
$this->validateConfig();
}
/**
* Allows to redefine config for a specific test.
* Config is restored at the end of a test.
*
* ```php
* <?php
* // cleanup DB only for specific group of tests
* public function _before(Test $test) {
* if (in_array('cleanup', $test->getMetadata()->getGroups()) {
* $this->getModule('Db')->_reconfigure(['cleanup' => true]);
* }
* }
* ```
*
* @throws ModuleConfigException|ModuleException
*/
public function _reconfigure(array $config): void
{
$this->config = array_merge($this->backupConfig, $config);
$this->onReconfigure();
$this->validateConfig();
}
/**
* HOOK to be executed when config changes with `_reconfigure`.
*/
protected function onReconfigure()
{
// update client on reconfigurations
}
/**
* Reverts config changed by `_reconfigure`
*/
public function _resetConfig(): void
{
$this->config = $this->backupConfig;
}
/**
* Validates current config for required fields and required packages.
*
* @throws ModuleConfigException|ModuleException
*/
protected function validateConfig(): void
{
$fields = array_keys($this->config);
if (array_intersect($this->requiredFields, $fields) !== $this->requiredFields) {
throw new ModuleConfigException(
$this::class,
"\nOptions: " . implode(', ', $this->requiredFields) . " are required\n" .
"Please, update the configuration and set all the required fields\n\n"
);
}
if ($this instanceof RequiresPackage) {
$errorMessage = '';
foreach ($this->_requires() as $className => $package) {
if (class_exists($className)) {
continue;
}
$errorMessage .= "Class {$className} can't be loaded, please add {$package} to composer.json\n";
}
if ($errorMessage !== '') {
throw new ModuleException($this, $errorMessage);
}
}
}
/**
* Returns a module name for a Module, a class name for Helper
*/
public function _getName(): string
{
$moduleName = '\\' . $this::class;
if (str_starts_with($moduleName, ModuleContainer::MODULE_NAMESPACE)) {
return substr($moduleName, strlen(ModuleContainer::MODULE_NAMESPACE));
}
return $moduleName;
}
/**
* Checks if a module has required fields
*/
public function _hasRequiredFields(): bool
{
return !empty($this->requiredFields);
}
/**
* **HOOK** triggered after module is created and configuration is loaded
*/
public function _initialize()
{
}
/**
* **HOOK** executed before suite
*/
public function _beforeSuite(array $settings = [])
{
}
/**
* **HOOK** executed after suite
*/
public function _afterSuite()
{
}
/**
* **HOOK** executed before step
*/
public function _beforeStep(Step $step)
{
}
/**
* **HOOK** executed after step
*/
public function _afterStep(Step $step)
{
}
/**
* **HOOK** executed before test
*/
public function _before(TestInterface $test)
{
}
/**
* **HOOK** executed after test
*/
public function _after(TestInterface $test)
{
}
/**
* **HOOK** executed when test fails but before `_after`
*/
public function _failed(TestInterface $test, Exception $fail)
{
}
/**
* Print debug message to the screen.
*/
protected function debug(mixed $message): void
{
codecept_debug($message);
}
/**
* Print debug message with a title
*/
protected function debugSection(string $title, mixed $message): void
{
if (is_array($message) || is_object($message)) {
$message = stripslashes(json_encode($message, JSON_THROW_ON_ERROR | JSON_INVALID_UTF8_SUBSTITUTE));
}
$this->debug("[{$title}] {$message}");
}
/**
* Short text message to an amount of chars
*/
protected function shortenMessage(string $message, int $chars = 150): string
{
return mb_substr($message, 0, $chars, 'utf-8');
}
/**
* Checks that module is enabled.
*/
protected function hasModule(string $name): bool
{
return $this->moduleContainer->hasModule($name);
}
/**
* Get all enabled modules
*/
protected function getModules(): array
{
return $this->moduleContainer->all();
}
/**
* Get another module by its name:
*
* ```php
* <?php
* $this->getModule('WebDriver')->_findElements('.items');
* ```
*
* @throws ModuleException
*/
protected function getModule(string $name): Module
{
if (!$this->hasModule($name)) {
$this->moduleContainer->throwMissingModuleExceptionWithSuggestion(__CLASS__, $name);
}
return $this->moduleContainer->getModule($name);
}
/**
* Get config values or specific config item.
*
* @param string|null $key
* @return mixed the config item's value or null if it doesn't exist
*/
public function _getConfig(string $key = null): mixed
{
if (!$key) {
return $this->config;
}
if (isset($this->config[$key])) {
return $this->config[$key];
}
return null;
}
protected function scalarizeArray(array $array): array
{
foreach ($array as $k => $v) {
if (!is_null($v) && !is_scalar($v)) {
$array[$k] = (is_array($v) || $v instanceof ArrayAccess)
? $this->scalarizeArray($v)
: (string)$v;
}
}
return $array;
}
}