[#28] Create FeatureWasRemoved event and record it inside Feature Class

src/Write/Event/FeatureWasRemoved.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pheature\Core\Toggle\Write\Event;
+
+use DateTimeImmutable;
+use Pheature\Core\Toggle\Write\FeatureId;
+
+final class FeatureWasRemoved
+{
+    private string $featureId;
+    private DatetimeImmutable $occurredAt;
+
+    public function __construct(string $featureId, DatetimeImmutable $occurredAt)
+    {
+        $this->featureId = $featureId;
+        $this->occurredAt = $occurredAt;
+    }
+
+    public static function occur(string $featureId): self
+    {
+        return new self($featureId, new DatetimeImmutable());
+    }
+
+    public function featureId(): FeatureId
+    {
+        return FeatureId::fromString($this->featureId);
+    }
+
+    public function occurredAt(): DatetimeImmutable
+    {
+        return $this->occurredAt;
+    }
+}

src/Write/Feature.php

@@ -8,6 +8,7 @@
 use Pheature\Core\Toggle\Write\Event\FeatureWasDisabled;
 use Pheature\Core\Toggle\Write\Event\FeatureWasCreated;
 use JsonSerializable;
+use Pheature\Core\Toggle\Write\Event\FeatureWasRemoved;
 
 use function array_map;
 use function array_values;
@@ -78,6 +79,11 @@ public function disable(): void
         $this->events[] = FeatureWasDisabled::occur($this->featureId->value());
     }
 
+    public function remove(): void
+    {
+        $this->events[] = FeatureWasRemoved::occur($this->featureId->value());
+    }
+
     public function isEnabled(): bool
     {
         return $this->enabled;

test/Write/FeatureTest.php

@@ -6,6 +6,7 @@
 
 use Pheature\Core\Toggle\Write\Event\FeatureWasDisabled;
 use Pheature\Core\Toggle\Write\Event\FeatureWasEnabled;
+use Pheature\Core\Toggle\Write\Event\FeatureWasRemoved;
 use Pheature\Core\Toggle\Write\Feature;
 use Pheature\Core\Toggle\Write\FeatureId;
 use Pheature\Core\Toggle\Write\Strategy;
@@ -120,6 +121,20 @@ public function testItShouldStoreAFeatureWasCreatedEventWhenNewFeatureIsCreated(
         $this->assertInstanceOf(DatetimeImmutable::class, $featureWasCreatedEvent->occurredAt());
     }
 
+    public function testItShouldStoreAFeatureWasRemovedWhenItIsRemoved(): void
+    {
+        $feature = $this->createFeature();
+        $feature->remove();
+
+        $events = $feature->release();
+        $this->assertCount(1, $events);
+        $this->assertEventIsRecorded(FeatureWasRemoved::class, $events);
+
+        $featureWasRemovedEvent = $events[0];
+        $this->assertSame(self::FEATURE_ID, $featureWasRemovedEvent->featureId()->value());
+        $this->assertInstanceOf(DatetimeImmutable::class, $featureWasRemovedEvent->occurredAt());
+    }
+
     private function createFeature(?bool $enabled = null, ?array $strategies = null): Feature
     {
         return new Feature(