Add attribute bag tests

Author: stayallive

src/Attributes/AttributeBag.php

@@ -8,7 +8,7 @@
  * @phpstan-import-type AttributeValue from Attribute
  * @phpstan-import-type AttributeSerialized from Attribute
  */
-class AttributeBag
+class AttributeBag implements \JsonSerializable
 {
     /**
      * @var array<string, Attribute>
@@ -54,6 +54,14 @@ public function toArray(): array
         }, $this->attributes);
     }
 
+    /**
+     * @return array<string, AttributeSerialized>
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+
     /**
      * @return array<string, AttributeValue>
      */

tests/Attributes/AttributeBagTest.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sentry\Tests\Attributes;
+
+use PHPUnit\Framework\TestCase;
+use Sentry\Attributes\Attribute;
+use Sentry\Attributes\AttributeBag;
+
+/**
+ * @phpstan-import-type AttributeValue from Attribute
+ * @phpstan-import-type AttributeSerialized from Attribute
+ */
+final class AttributeBagTest extends TestCase
+{
+    public function testGettersAndSetters(): void
+    {
+        $bag = new AttributeBag();
+
+        $this->assertCount(0, $bag->all());
+
+        $bag->set('foo', 'bar');
+
+        $this->assertCount(1, $bag->all());
+        $this->assertInstanceOf(Attribute::class, $bag->get('foo'));
+
+        $this->assertNull($bag->get('non-existing'));
+    }
+
+    public function testSerializeAsJson(): void
+    {
+        $bag = new AttributeBag();
+        $bag->set('foo', 'bar');
+
+        $this->assertEquals(
+            ['foo' => ['type' => 'string', 'value' => 'bar']],
+            $bag->jsonSerialize()
+        );
+
+        $this->assertEquals(
+            '{"foo":{"type":"string","value":"bar"}}',
+            json_encode($bag)
+        );
+    }
+
+    public function testSerializeAsArray(): void
+    {
+        $bag = new AttributeBag();
+        $bag->set('foo', 'bar');
+
+        $this->assertEquals(
+            ['foo' => ['type' => 'string', 'value' => 'bar']],
+            $bag->toArray()
+        );
+    }
+
+    public function testSerializeAsSimpleArray(): void
+    {
+        $bag = new AttributeBag();
+        $bag->set('foo', 'bar');
+
+        $this->assertEquals(
+            ['foo' => 'bar'],
+            $bag->toSimpleArray()
+        );
+    }
+}