first commit

core/tests/TestSuites/BuildTestSuite.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+require_once __DIR__ . '/TestSuiteBase.php';
+
+/**
+ * Discovers tests for the build test suite.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+class BuildTestSuite extends TestSuiteBase {
+
+  /**
+   * Factory method which loads up a suite with all build tests.
+   *
+   * @return static
+   *   The test suite.
+   */
+  public static function suite() {
+    $root = dirname(__DIR__, 3);
+
+    $suite = new static('build');
+    $suite->addTestsBySuiteNamespace($root, 'Build');
+
+    return $suite;
+  }
+
+}

core/tests/TestSuites/FunctionalJavascriptTestSuite.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+require_once __DIR__ . '/TestSuiteBase.php';
+
+/**
+ * Discovers tests for the functional-javascript test suite.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+class FunctionalJavascriptTestSuite extends TestSuiteBase {
+
+  /**
+   * Factory method which loads up a suite with all functional javascript tests.
+   *
+   * @return static
+   *   The test suite.
+   */
+  public static function suite() {
+    $root = dirname(__DIR__, 3);
+
+    $suite = new static('functional-javascript');
+    $suite->addTestsBySuiteNamespace($root, 'FunctionalJavascript');
+
+    return $suite;
+  }
+
+}

core/tests/TestSuites/FunctionalTestSuite.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+require_once __DIR__ . '/TestSuiteBase.php';
+
+/**
+ * Discovers tests for the functional test suite.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+class FunctionalTestSuite extends TestSuiteBase {
+
+  /**
+   * Factory method which loads up a suite with all functional tests.
+   *
+   * @return static
+   *   The test suite.
+   */
+  public static function suite() {
+    $root = dirname(__DIR__, 3);
+
+    $suite = new static('functional');
+    $suite->addTestsBySuiteNamespace($root, 'Functional');
+
+    return $suite;
+  }
+
+}

core/tests/TestSuites/KernelTestSuite.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+require_once __DIR__ . '/TestSuiteBase.php';
+
+/**
+ * Discovers tests for the kernel test suite.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+class KernelTestSuite extends TestSuiteBase {
+
+  /**
+   * Factory method which loads up a suite with all kernel tests.
+   *
+   * @return static
+   *   The test suite.
+   */
+  public static function suite() {
+    $root = dirname(__DIR__, 3);
+
+    $suite = new static('kernel');
+    $suite->addTestsBySuiteNamespace($root, 'Kernel');
+
+    return $suite;
+  }
+
+}

core/tests/TestSuites/TestSuiteBase.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+use Drupal\Core\Test\TestDiscovery;
+use PHPUnit\Framework\TestSuite;
+
+/**
+ * Base class for Drupal test suites.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+abstract class TestSuiteBase extends TestSuite {
+
+  /**
+   * Finds extensions in a Drupal installation.
+   *
+   * An extension is defined as a directory with an *.info.yml file in it.
+   *
+   * @param string $root
+   *   Path to the root of the Drupal installation.
+   *
+   * @return string[]
+   *   Associative array of extension paths, with extension name as keys.
+   */
+  protected function findExtensionDirectories($root) {
+    $extension_roots = \drupal_phpunit_contrib_extension_directory_roots($root);
+
+    $extension_directories = array_map('drupal_phpunit_find_extension_directories', $extension_roots);
+    return array_reduce($extension_directories, 'array_merge', []);
+  }
+
+  /**
+   * Find and add tests to the suite for core and any extensions.
+   *
+   * @param string $root
+   *   Path to the root of the Drupal installation.
+   * @param string $suite_namespace
+   *   SubNamespace used to separate test suite. Examples: Unit, Functional.
+   */
+  protected function addTestsBySuiteNamespace($root, $suite_namespace) {
+    // Core's tests are in the namespace Drupal\{$suite_namespace}Tests\ and are
+    // always inside of core/tests/Drupal/{$suite_namespace}Tests. The exception
+    // to this is Unit tests for historical reasons.
+    if ($suite_namespace == 'Unit') {
+      $tests = TestDiscovery::scanDirectory("Drupal\\Tests\\", "$root/core/tests/Drupal/Tests");
+      $tests = array_flip(array_filter(array_flip($tests), function ($test_class) {
+        // The Listeners directory does not contain tests. Use the class name
+        // to be compatible with all operating systems.
+        return !preg_match('/^Drupal\\\\Tests\\\\Listeners\\\\/', $test_class);
+      }));
+      $this->addTestFiles($tests);
+    }
+    else {
+      $this->addTestFiles(TestDiscovery::scanDirectory("Drupal\\{$suite_namespace}Tests\\", "$root/core/tests/Drupal/{$suite_namespace}Tests"));
+    }
+
+    // Extensions' tests will always be in the namespace
+    // Drupal\Tests\$extension_name\$suite_namespace\ and be in the
+    // $extension_path/tests/src/$suite_namespace directory. Not all extensions
+    // will have all kinds of tests.
+    foreach ($this->findExtensionDirectories($root) as $extension_name => $dir) {
+      $test_path = "$dir/tests/src/$suite_namespace";
+      if (is_dir($test_path)) {
+        $this->addTestFiles(TestDiscovery::scanDirectory("Drupal\\Tests\\$extension_name\\$suite_namespace\\", $test_path));
+      }
+    }
+  }
+
+}

core/tests/TestSuites/UnitTestSuite.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\TestSuites;
+
+require_once __DIR__ . '/TestSuiteBase.php';
+
+/**
+ * Discovers tests for the unit test suite.
+ *
+ * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no
+ *   replacement and test discovery will be handled differently in PHPUnit 10.
+ *
+ * @see https://www.drupal.org/node/3405829
+ */
+class UnitTestSuite extends TestSuiteBase {
+
+  /**
+   * Factory method which loads up a suite with all unit tests.
+   *
+   * @return static
+   *   The test suite.
+   */
+  public static function suite() {
+    $root = dirname(__DIR__, 3);
+
+    $suite = new static('unit');
+    $suite->addTestsBySuiteNamespace($root, 'Unit');
+
+    return $suite;
+  }
+
+}