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src/Concerns/TestCase.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Concerns;
+
+use Closure;
+use Pest\Support\ExceptionTrace;
+use Pest\TestSuite;
+use PHPUnit\Util\Test;
+
+/**
+ * To avoid inheritance conflicts, all the fields related
+ * to Pest only will be prefixed by double underscore.
+ *
+ * @internal
+ */
+trait TestCase
+{
+    /**
+     * The test case description. Contains the first
+     * argument of global functions like `it` and `test`.
+     *
+     * @var string
+     */
+    private $__description;
+
+    /**
+     * Holds the test closure function.
+     *
+     * @var Closure
+     */
+    private $__test;
+
+    /**
+     * Creates a new instance of the test case.
+     */
+    public function __construct(Closure $test, string $description, array $data)
+    {
+        $this->__test        = $test;
+        $this->__description = $description;
+
+        parent::__construct('__test', $data);
+    }
+
+    /**
+     * Adds the groups to the current test case.
+     */
+    public function addGroups(array $groups): void
+    {
+        $groups = array_unique(array_merge($this->getGroups(), $groups));
+
+        $this->setGroups($groups);
+    }
+
+    /**
+     * Returns the test case name. Note that, in Pest
+     * we ignore withDataset argument as the description
+     * already contains the dataset description.
+     */
+    public function getName(bool $withDataSet = true): string
+    {
+        return $this->__description;
+    }
+
+    /**
+     * This method is called before the first test of this test class is run.
+     */
+    public static function setUpBeforeClass(): void
+    {
+        parent::setUpBeforeClass();
+
+        $beforeAll = TestSuite::getInstance()->beforeAll->get(self::$__filename);
+
+        call_user_func(Closure::bind($beforeAll, null, self::class));
+    }
+
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass(): void
+    {
+        $afterAll = TestSuite::getInstance()->afterAll->get(self::$__filename);
+
+        call_user_func(Closure::bind($afterAll, null, self::class));
+
+        parent::tearDownAfterClass();
+    }
+
+    /**
+     * Gets executed before the test.
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $beforeEach = TestSuite::getInstance()->beforeEach->get(self::$__filename);
+
+        $this->__callClosure($beforeEach, func_get_args());
+    }
+
+    /**
+     * Gets executed after the test.
+     */
+    protected function tearDown(): void
+    {
+        $afterEach = TestSuite::getInstance()->afterEach->get(self::$__filename);
+
+        $this->__callClosure($afterEach, func_get_args());
+
+        parent::tearDown();
+    }
+
+    /**
+     * Returns the test case as string.
+     */
+    public function toString(): string
+    {
+        return \sprintf(
+            '%s::%s',
+            self::$__filename,
+            $this->__description
+        );
+    }
+
+    /**
+     * Runs the test.
+     */
+    public function __test(): void
+    {
+        $this->__callClosure($this->__test, func_get_args());
+    }
+
+    private function __callClosure(Closure $closure, array $arguments): void
+    {
+        ExceptionTrace::ensure(function () use ($closure, $arguments) {
+            call_user_func_array(Closure::bind($closure, $this, get_class($this)), $arguments);
+        });
+    }
+
+    public function getPrintableTestCaseName(): string
+    {
+        return ltrim(self::class, 'P\\');
+    }
+}