test attribute instrumentation in PHP 8.0+

Author: lavarou

tests/integration/lang/test_attributes.php

@@ -0,0 +1,121 @@
+<?php
+/*
+ * Copyright 2025 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+The agent should correctly instrument attributes.
+*/
+
+/*SKIPIF
+<?php
+if (version_compare(PHP_VERSION, '8.0', '<')) {
+  die("skip: attributes are not available for PHP versions < 8.0");
+}
+*/
+
+/*INI
+newrelic.code_level_metrics.enabled = true
+*/
+
+/*EXPECT_METRICS_EXIST
+Custom/ExampleAttribute::getInfo, 2
+*/
+
+/*EXPECT_SPAN_EVENTS_LIKE
+[
+  [
+    {
+      "category": "generic",
+      "type": "Span",
+      "guid": "??",
+      "traceId": "??",
+      "transactionId": "??",
+      "name": "Custom\/ExampleAttribute::getInfo",
+      "timestamp": "??",
+      "duration": "??",
+      "priority": "??",
+      "sampled": true,
+      "parentId": "??"
+    },
+    {},
+    {
+      "code.lineno": "??",
+      "code.namespace": "ExampleAttribute",
+      "code.filepath": "__FILE__",
+      "code.function": "getInfo"
+    }
+  ],
+  [
+    {
+      "category": "generic",
+      "type": "Span",
+      "guid": "??",
+      "traceId": "??",
+      "transactionId": "??",
+      "name": "Custom\/ExampleAttribute::getInfo",
+      "timestamp": "??",
+      "duration": "??",
+      "priority": "??",
+      "sampled": true,
+      "parentId": "??"
+    },
+    {},
+    {
+      "code.lineno": "??",
+      "code.namespace": "ExampleAttribute",
+      "code.filepath": "__FILE__",
+      "code.function": "getInfo"
+    }
+  ]
+]
+*/
+
+/*EXPECT_TRACED_ERRORS null*/
+
+/*EXPECT
+Class Attribute Info: This is a sample attribute
+Method Attribute Info: This is a method attribute
+*/
+
+#[Attribute]
+class ExampleAttribute
+{
+    public function __construct(public string $info) {}
+    public function getInfo(): string
+    {
+        return $this->info;
+    }
+}
+
+#[ExampleAttribute("This is a sample attribute")]
+class SampleClass
+{
+    #[ExampleAttribute("This is a method attribute")]
+    public function sampleMethod() {}
+}
+
+newrelic_add_custom_tracer("ExampleAttribute::getInfo");
+
+// Reflect the class
+$reflectionClass = new ReflectionClass(SampleClass::class);
+
+// Get class attributes
+$classAttributes = $reflectionClass->getAttributes(ExampleAttribute::class);
+
+foreach ($classAttributes as $attribute) {
+    $instance = $attribute->newInstance();
+    echo "Class Attribute Info: " . $instance->getInfo() . "\n";
+}
+
+// Reflect the method
+$reflectionMethod = $reflectionClass->getMethod('sampleMethod');
+
+// Get method attributes
+$methodAttributes = $reflectionMethod->getAttributes(ExampleAttribute::class);
+
+foreach ($methodAttributes as $attribute) {
+    $instance = $attribute->newInstance();
+    echo "Method Attribute Info: " . $instance->getInfo() . "\n";
+}