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<?php
declare(strict_types=1);
namespace Pest\Concerns;
use Closure;
use Pest\Exceptions\DatasetArgsCountMismatch;
use Pest\Support\ChainableClosure;
use Pest\Support\ExceptionTrace;
use Pest\Support\Reflection;
use Pest\TestSuite;
use PHPUnit\Framework\TestCase;
use ReflectionException;
use ReflectionFunction;
use Throwable;
/**
* @internal
*
* @mixin TestCase
*/
trait Testable
{
/**
* The test's description.
*/
private string $__description;
/**
* The test's latest description.
*/
private static string $__latestDescription;
/**
* The test's describing, if any.
*/
public ?string $__describing = null;
/**
* The test's test closure.
*/
private Closure $__test;
/**
* The test's before each closure.
*/
private ?Closure $__beforeEach = null;
/**
* The test's after each closure.
*/
private ?Closure $__afterEach = null;
/**
* The test's before all closure.
*/
private static ?Closure $__beforeAll = null;
/**
* The test's after all closure.
*/
private static ?Closure $__afterAll = null;
/**
* The list of snapshot changes, if any.
*/
private array $__snapshotChanges = [];
/**
* Resets the test case static properties.
*/
public static function flush(): void
{
self::$__beforeAll = null;
self::$__afterAll = null;
}
/**
* Creates a new Test Case instance.
*/
public function __construct(string $name)
{
parent::__construct($name);
$test = TestSuite::getInstance()->tests->get(self::$__filename);
if ($test->hasMethod($name)) {
$method = $test->getMethod($name);
$this->__description = self::$__latestDescription = $method->description;
$this->__describing = $method->describing;
$this->__test = $method->getClosure($this);
}
}
/**
* Adds a new "setUpBeforeClass" to the Test Case.
*/
public function __addBeforeAll(?Closure $hook): void
{
if (! $hook instanceof \Closure) {
return;
}
self::$__beforeAll = (self::$__beforeAll instanceof Closure)
? ChainableClosure::boundStatically(self::$__beforeAll, $hook)
: $hook;
}
/**
* Adds a new "tearDownAfterClass" to the Test Case.
*/
public function __addAfterAll(?Closure $hook): void
{
if (! $hook instanceof \Closure) {
return;
}
self::$__afterAll = (self::$__afterAll instanceof Closure)
? ChainableClosure::boundStatically(self::$__afterAll, $hook)
: $hook;
}
/**
* Adds a new "setUp" to the Test Case.
*/
public function __addBeforeEach(?Closure $hook): void
{
$this->__addHook('__beforeEach', $hook);
}
/**
* Adds a new "tearDown" to the Test Case.
*/
public function __addAfterEach(?Closure $hook): void
{
$this->__addHook('__afterEach', $hook);
}
/**
* Adds a new "hook" to the Test Case.
*/
private function __addHook(string $property, ?Closure $hook): void
{
if (! $hook instanceof \Closure) {
return;
}
$this->{$property} = ($this->{$property} instanceof Closure)
? ChainableClosure::bound($this->{$property}, $hook)
: $hook;
}
/**
* This method is called before the first test of this Test Case is run.
*/
public static function setUpBeforeClass(): void
{
parent::setUpBeforeClass();
$beforeAll = TestSuite::getInstance()->beforeAll->get(self::$__filename);
if (self::$__beforeAll instanceof Closure) {
$beforeAll = ChainableClosure::boundStatically(self::$__beforeAll, $beforeAll);
}
call_user_func(Closure::bind($beforeAll, null, self::class));
}
/**
* This method is called after the last test of this Test Case is run.
*/
public static function tearDownAfterClass(): void
{
$afterAll = TestSuite::getInstance()->afterAll->get(self::$__filename);
if (self::$__afterAll instanceof Closure) {
$afterAll = ChainableClosure::boundStatically(self::$__afterAll, $afterAll);
}
call_user_func(Closure::bind($afterAll, null, self::class));
parent::tearDownAfterClass();
}
/**
* Gets executed before the Test Case.
*/
protected function setUp(): void
{
TestSuite::getInstance()->test = $this;
$method = TestSuite::getInstance()->tests->get(self::$__filename)->getMethod($this->name());
$description = $this->dataName() ? $method->description.' with '.$this->dataName() : $method->description;
$description = htmlspecialchars(html_entity_decode($description), ENT_NOQUOTES);
if ($method->repetitions > 1) {
$matches = [];
preg_match('/\((.*?)\)/', $description, $matches);
if (count($matches) > 1) {
if (str_contains($description, 'with '.$matches[0].' /')) {
$description = str_replace('with '.$matches[0].' /', '', $description);
} else {
$description = str_replace('with '.$matches[0], '', $description);
}
}
$description .= ' @ repetition '.($matches[1].' of '.$method->repetitions);
}
$this->__description = self::$__latestDescription = $description;
parent::setUp();
$beforeEach = TestSuite::getInstance()->beforeEach->get(self::$__filename)[1];
if ($this->__beforeEach instanceof Closure) {
$beforeEach = ChainableClosure::bound($this->__beforeEach, $beforeEach);
}
$this->__callClosure($beforeEach, func_get_args());
}
/**
* Gets executed after the Test Case.
*/
protected function tearDown(): void
{
$afterEach = TestSuite::getInstance()->afterEach->get(self::$__filename);
if ($this->__afterEach instanceof Closure) {
$afterEach = ChainableClosure::bound($this->__afterEach, $afterEach);
}
$this->__callClosure($afterEach, func_get_args());
parent::tearDown();
TestSuite::getInstance()->test = null;
}
/**
* Executes the Test Case current test.
*
* @throws Throwable
*/
private function __runTest(Closure $closure, ...$args): mixed
{
$arguments = $this->__resolveTestArguments($args);
$this->__ensureDatasetArgumentNumberMatches($arguments);
return $this->__callClosure($closure, $arguments);
}
/**
* Resolve the passed arguments. Any Closures will be bound to the testcase and resolved.
*
* @throws Throwable
*/
private function __resolveTestArguments(array $arguments): array
{
$method = TestSuite::getInstance()->tests->get(self::$__filename)->getMethod($this->name());
if ($method->repetitions > 1) {
array_shift($arguments);
}
$underlyingTest = Reflection::getFunctionVariable($this->__test, 'closure');
$testParameterTypes = array_values(Reflection::getFunctionArguments($underlyingTest));
if (count($arguments) !== 1) {
foreach ($arguments as $argumentIndex => $argumentValue) {
if (! $argumentValue instanceof Closure) {
continue;
}
if (in_array($testParameterTypes[$argumentIndex], [Closure::class, 'callable', 'mixed'])) {
continue;
}
$arguments[$argumentIndex] = $this->__callClosure($argumentValue, []);
}
return $arguments;
}
if (! $arguments[0] instanceof Closure) {
return $arguments;
}
if (isset($testParameterTypes[0]) && in_array($testParameterTypes[0], [Closure::class, 'callable'])) {
return $arguments;
}
$boundDatasetResult = $this->__callClosure($arguments[0], []);
if (count($testParameterTypes) === 1) {
return [$boundDatasetResult];
}
if (! is_array($boundDatasetResult)) {
return [$boundDatasetResult];
}
return array_values($boundDatasetResult);
}
/**
* Ensures dataset items count matches underlying test case required parameters
*
* @throws ReflectionException
* @throws DatasetArgsCountMismatch
*/
private function __ensureDatasetArgumentNumberMatches(array $arguments): void
{
if ($arguments === []) {
return;
}
$underlyingTest = Reflection::getFunctionVariable($this->__test, 'closure');
$testReflection = new ReflectionFunction($underlyingTest);
$requiredParametersCount = $testReflection->getNumberOfRequiredParameters();
$suppliedParametersCount = count($arguments);
if ($suppliedParametersCount >= $requiredParametersCount) {
return;
}
throw new DatasetArgsCountMismatch($requiredParametersCount, $suppliedParametersCount);
}
/**
* @throws Throwable
*/
private function __callClosure(Closure $closure, array $arguments): mixed
{
return ExceptionTrace::ensure(fn (): mixed => call_user_func_array(Closure::bind($closure, $this, $this::class), $arguments));
}
/** @postCondition */
protected function __MarkTestIncompleteIfSnapshotHaveChanged(): void
{
if (count($this->__snapshotChanges) === 0) {
return;
}
if (count($this->__snapshotChanges) === 1) {
$this->markTestIncomplete($this->__snapshotChanges[0]);
return;
}
$messages = implode(PHP_EOL, array_map(static fn (string $message): string => '- $message', $this->__snapshotChanges));
$this->markTestIncomplete($messages);
}
/**
* The printable test case name.
*/
public static function getPrintableTestCaseName(): string
{
return preg_replace('/P\\\/', '', self::class, 1);
}
/**
* The printable test case method name.
*/
public function getPrintableTestCaseMethodName(): string
{
return $this->__description;
}
/**
* The latest printable test case method name.
*/
public static function getLatestPrintableTestCaseMethodName(): string
{
return self::$__latestDescription;
}
}
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