print list of active extensions

this closes #47

CHANGELOG.md

@@ -2,6 +2,9 @@ Version 8.0.0-dev
 - dropped support for Composer 2.0 and 2.1
 - BC break: removed support for old way of providing 1 parameter to a test method via data provided
 - BC break: removed support for using conditions with attribute Skip
+- added event ExtensionsLoaded
+- BC break: added methods getName amd onExtensionsLoaded to interface ITesterExtension
+- InfoExtension (when added to automated tests runner) prints active extensions
 
 Version 7.3.1
 - allowed installation konecnyjakub/event-dispatcher 2

RELEASE_NOTES

@@ -1,3 +1,7 @@
 A new version of My Tester is out. It is only for Composer 2.2 or later. It removes previously deprecated stuff.
 
+Interface ITesterExtension was changed - it has new method getName and supports new event ExtensionsLoaded.
+
+Automated tests runner can now print list of active extensions along My Tester and PHP version (all of that is handled by InfoExtension).
+
 For complete list of changes since previous version, see CHANGELOG.md.

src/CodeCoverage/CodeCoverageExtension.php

@@ -17,6 +17,10 @@ public function __construct(private Collector $collector)
     {
     }
 
+    public function onExtensionsLoaded(Events\ExtensionsLoaded $event): void
+    {
+    }
+
     /**
      * @throws CodeCoverageException
      */
@@ -62,4 +66,9 @@ public function onTestCaseStarted(Events\TestCaseStarted $event): void
     public function onTestCaseFinished(Events\TestCaseFinished $event): void
     {
     }
+
+    public function getName(): string
+    {
+        return "code coverage";
+    }
 }

src/ErrorsFilesExtension.php

@@ -18,6 +18,10 @@ public function __construct(private TestsFolderProvider $folderProvider)
     {
     }
 
+    public function onExtensionsLoaded(Events\ExtensionsLoaded $event): void
+    {
+    }
+
     public function onTestsStarted(Events\TestsStarted $event): void
     {
         $files = Finder::findFiles("*.errors")->in($this->folderProvider->folder);
@@ -46,4 +50,9 @@ public function onTestCaseFinished(Events\TestCaseFinished $event): void
             }
         }
     }
+
+    public function getName(): string
+    {
+        return "error files";
+    }
 }

src/Events/ExtensionsLoaded.php

@@ -0,0 +1,16 @@
+<?php
+declare(strict_types=1);
+
+namespace MyTester\Events;
+
+use MyTester\ITesterExtension;
+
+final readonly class ExtensionsLoaded
+{
+    /**
+     * @param ITesterExtension[] $extensions
+     */
+    public function __construct(public array $extensions = [])
+    {
+    }
+}

src/ExtensionsEventSubscriber.php

@@ -23,6 +23,9 @@ public function __construct(private array $extensions = [])
     public static function getSubscribedEvents(): iterable
     {
         return [
+            Events\ExtensionsLoaded::class => [
+                ["onExtensionsLoaded", ],
+            ],
             Events\TestsStarted::class => [
                 ["onTestsStarted", ],
             ],
@@ -38,6 +41,13 @@ public static function getSubscribedEvents(): iterable
         ];
     }
 
+    public function onExtensionsLoaded(Events\ExtensionsLoaded $event): void
+    {
+        foreach ($this->extensions as $extension) {
+            $extension->onExtensionsLoaded($event);
+        }
+    }
+
     public function onTestsStarted(Events\TestsStarted $event): void
     {
         foreach ($this->extensions as $extension) {

src/ITesterExtension.php

@@ -10,11 +10,15 @@
  */
 interface ITesterExtension
 {
+    public function onExtensionsLoaded(Events\ExtensionsLoaded $event): void;
+
     public function onTestsStarted(Events\TestsStarted $event): void;
 
     public function onTestsFinished(Events\TestsFinished $event): void;
 
     public function onTestCaseStarted(Events\TestCaseStarted $event): void;
 
     public function onTestCaseFinished(Events\TestCaseFinished $event): void;
+
+    public function getName(): string;
 }

src/InfoExtension.php

@@ -9,13 +9,24 @@ final class InfoExtension implements ITesterExtension
 {
     private const string PACKAGE_NAME = "konecnyjakub/mytester";
 
+    /** @var string[] */
+    private array $extensionNames = [];
+
     public function __construct(private readonly ConsoleColors $console)
     {
     }
 
+    public function onExtensionsLoaded(Events\ExtensionsLoaded $event): void
+    {
+        $this->extensionNames = array_map(function (ITesterExtension $extension) {
+            return $extension->getName();
+        }, $event->extensions);
+    }
+
     public function onTestsStarted(Events\TestsStarted $event): void
     {
         echo $this->console->color(self::getTesterVersion() . "\n", "silver");
+        echo $this->console->color("Loaded extensions: " . implode(", ", $this->extensionNames) . "\n", "silver");
         echo "\n";
         echo $this->console->color(self::getPhpVersion() . "\n", "silver");
         echo "\n";
@@ -33,6 +44,11 @@ public function onTestCaseFinished(Events\TestCaseFinished $event): void
     {
     }
 
+    public function getName(): string
+    {
+        return "info";
+    }
+
     public static function getTesterVersion(): string
     {
         $version = InstalledVersions::getPrettyVersion(self::PACKAGE_NAME);

src/Tester.php

@@ -32,6 +32,7 @@ public function __construct(
             $this->resultsFormatter->setConsole($this->console);
         }
         $this->eventDispatcher = $this->createEventDispatcher();
+        $this->eventDispatcher->dispatch(new Events\ExtensionsLoaded($this->extensions));
     }
 
     private function createEventDispatcher(): EventDispatcherInterface