add event provider test (#195)

tests/ZM/Event/EventProviderTest.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\ZM\Event;
+
+use Tests\TestCase;
+use ZM\Annotation\Framework\BindEvent;
+use ZM\Event\EventProvider;
+use ZM\Utils\ZMUtil;
+
+/**
+ * @internal
+ */
+class EventProviderTest extends TestCase
+{
+    private EventProvider $ep;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->ep = new EventProvider();
+    }
+
+    public function testAddEventListenerWithCallback(): void
+    {
+        $event = 'test';
+        $callback = fn () => null;
+        $this->ep->addEventListener($event, $callback, 2496);
+        $l = $this->ep->getEventListeners($event);
+        $this->assertSame([
+            [2496, $callback],
+        ], $l);
+    }
+
+    public function testAddEventListenerWithObject(): void
+    {
+        // no meaning for using ZMUtil, just for testing
+        $event = new BindEvent(ZMUtil::class, 2496);
+        $event->class = self::class;
+        $event->method = 'testAddEventListenerWithObject';
+        $callback = fn () => null;
+        $this->ep->addEventListener($event, $callback, 2496);
+        $l = $this->ep->getEventListeners($event::class);
+        $this->assertIsArray($l);
+        $this->assertSame(self::class, $l[0][1][0]::class);
+        $this->assertSame('testAddEventListenerWithObject', $l[0][1][1]);
+    }
+
+    public function testAddEventListenerWithCallableArray(): void
+    {
+        // no meaning for using ZMUtil, just for testing
+        $event = new ZMUtil();
+        $callback = [$this, 'testAddEventListenerWithCallableArray'];
+        $this->ep->addEventListener($event, $callback, 2496);
+        $l = $this->ep->getEventListeners(ZMUtil::class);
+        $this->assertIsArray($l);
+        $this->assertSame('testAddEventListenerWithCallableArray', $l[0][1][1]);
+    }
+
+    public function testAddEventListenerWithCustomName(): void
+    {
+        $event = new class() {
+            public function getName(): string
+            {
+                return 'test';
+            }
+        };
+        $callback = fn () => null;
+        $this->ep->addEventListener('test', $callback, 2496);
+        $l = $this->ep->getEventListeners('test');
+        $ll = $this->ep->getListenersForEvent($event);
+        $this->assertSame($l, $ll);
+    }
+}