refactor: seperate sdk version resolver

Author: heyjorgedev

src/Telemetry/SdkTelemetryReporter.php

@@ -28,12 +28,6 @@ public function getRuntime(): string
 
     public function getPackageVersion(): string
     {
-        try {
-            $version = json_decode(file_get_contents(__DIR__.'/../../composer.json'), true);
-
-            return sprintf('vector-php@%s', $version['version']);
-        } catch (Throwable $e) {
-            return sprintf('vector-php@unknown');
-        }
+        return sprintf('vector-php@%s', SdkVersion::resolve());
     }
 }

src/Telemetry/SdkVersion.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Upstash\Vector\Telemetry;
+
+use Throwable;
+
+class SdkVersion
+{
+    public const UNKNOWN = 'unknown';
+
+    public static function resolve(): string
+    {
+        try {
+            $version = json_decode(file_get_contents(__DIR__.'/../../composer.json'), true);
+
+            return $version['version'] ?? static::UNKNOWN;
+        } catch (Throwable $e) {
+            return static::UNKNOWN;
+        }
+    }
+}

tests/Unit/Telemetry/SdkVersionTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Upstash\Vector\Tests\Unit\Telemetry;
+
+use PHPUnit\Framework\TestCase;
+use Upstash\Vector\Telemetry\SdkVersion;
+
+class SdkVersionTest extends TestCase
+{
+    public function test_version_is_known(): void
+    {
+        $version = SdkVersion::resolve();
+
+        $this->assertNotSame(SdkVersion::UNKNOWN, $version);
+    }
+}