From ebbf97a701da0ba2f89e3dfe5fef1272598cf5b2 Mon Sep 17 00:00:00 2001
From: Pawel Filipczak <pawel.filipczak@elastic.co>
Date: Wed, 12 Feb 2025 15:47:06 +0100
Subject: [PATCH] Tests of instrumentation of functions/methods in namespace
 (#167)

---
 .../instrumentation_user_func_namespace.phpt  | 100 +++++++++++++++++
 ...instrumentation_user_method_namespace.phpt | 106 ++++++++++++++++++
 2 files changed, 206 insertions(+)
 create mode 100644 prod/native/extension/phpt/tests/instrumentation_user_func_namespace.phpt
 create mode 100644 prod/native/extension/phpt/tests/instrumentation_user_method_namespace.phpt

diff --git a/prod/native/extension/phpt/tests/instrumentation_user_func_namespace.phpt b/prod/native/extension/phpt/tests/instrumentation_user_func_namespace.phpt
new file mode 100644
index 0000000..10230f0
--- /dev/null
+++ b/prod/native/extension/phpt/tests/instrumentation_user_func_namespace.phpt
@@ -0,0 +1,100 @@
+--TEST--
+instrumentation - user func in namespace
+--ENV--
+ELASTIC_OTEL_LOG_LEVEL_STDERR=INFO
+--INI--
+extension=/elastic/elastic_otel_php.so
+elastic_otel.bootstrap_php_part_file={PWD}/includes/bootstrap_mock.inc
+--FILE--
+<?php
+declare(strict_types=1);
+
+
+namespace SomeNameSpace;
+
+function userspace($arg1, $arg2, $arg3) {
+	echo "* userspace() body start.\n";
+ 	echo "args:\n";
+	var_dump(func_get_args());
+	echo "* userspace() body end\n";
+	return "userspace_rv";
+}
+
+elastic_otel_hook(null, "somenamespace\\userspace", function () {
+	echo "*** prehook userspace()\n";
+ 	echo "args:\n";
+	var_dump(func_get_args());
+ }, function () {
+	echo "*** posthook userspace()\n";
+ 	echo "args:\n";
+	var_dump(func_get_args());
+});
+
+var_dump(userspace("first", 2, 3));
+
+echo "Test completed\n";
+?>
+--EXPECTF--
+*** prehook userspace()
+args:
+array(6) {
+  [0]=>
+  NULL
+  [1]=>
+  array(3) {
+    [0]=>
+    string(5) "first"
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [2]=>
+  NULL
+  [3]=>
+  string(%d) "SomeNameSpace\userspace"
+  [4]=>
+  string(%d) "%a/instrumentation_user_func_namespace.php"
+  [5]=>
+  int(7)
+}
+* userspace() body start.
+args:
+array(3) {
+  [0]=>
+  string(5) "first"
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+* userspace() body end
+*** posthook userspace()
+args:
+array(8) {
+  [0]=>
+  NULL
+  [1]=>
+  array(3) {
+    [0]=>
+    string(5) "first"
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [2]=>
+  string(12) "userspace_rv"
+  [3]=>
+  NULL
+  [4]=>
+  NULL
+  [5]=>
+  string(%d) "SomeNameSpace\userspace"
+  [6]=>
+  string(%d) "%a/instrumentation_user_func_namespace.php"
+  [7]=>
+  int(7)
+}
+string(12) "userspace_rv"
+Test completed
\ No newline at end of file
diff --git a/prod/native/extension/phpt/tests/instrumentation_user_method_namespace.phpt b/prod/native/extension/phpt/tests/instrumentation_user_method_namespace.phpt
new file mode 100644
index 0000000..26ea69f
--- /dev/null
+++ b/prod/native/extension/phpt/tests/instrumentation_user_method_namespace.phpt
@@ -0,0 +1,106 @@
+--TEST--
+instrumentation - user method in namespace - args post processing and return value replacement
+--ENV--
+ELASTIC_OTEL_LOG_LEVEL_STDERR=INFO
+--INI--
+extension=/elastic/elastic_otel_php.so
+elastic_otel.bootstrap_php_part_file={PWD}/includes/bootstrap_mock.inc
+--FILE--
+<?php
+declare(strict_types=1);
+
+namespace SomeNameSpace;
+class TestClass {
+  function userspace($arg1, $arg2, $arg3) {
+    echo "* userspace() body start.\n";
+    echo "args:\n";
+    var_dump(func_get_args());
+    echo "* userspace() body end\n";
+    return "userspace_rv";
+  }
+}
+
+elastic_otel_hook("somenamespace\\testclass", "userspace", function () {
+	echo "*** prehook userspace()\n";
+ 	echo "args:\n";
+	var_dump(func_get_args());
+  return [0 => "replaced_first_argument"];
+ }, function () : string {
+	echo "*** posthook userspace()\n";
+ 	echo "args:\n";
+	var_dump(func_get_args());
+  return "replaced_return_value";
+});
+
+$obj = new TestClass;
+
+var_dump($obj->userspace("first", 2, 3));
+
+echo "Test completed\n";
+?>
+--EXPECTF--
+*** prehook userspace()
+args:
+array(6) {
+  [0]=>
+  object(SomeNameSpace\TestClass)#%d (0) {
+  }
+  [1]=>
+  array(3) {
+    [0]=>
+    string(5) "first"
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [2]=>
+  string(23) "SomeNameSpace\TestClass"
+  [3]=>
+  string(9) "userspace"
+  [4]=>
+  string(%d) "%a/instrumentation_user_method_namespace.php"
+  [5]=>
+  int(6)
+}
+* userspace() body start.
+args:
+array(3) {
+  [0]=>
+  string(23) "replaced_first_argument"
+  [1]=>
+  int(2)
+  [2]=>
+  int(3)
+}
+* userspace() body end
+*** posthook userspace()
+args:
+array(8) {
+  [0]=>
+  object(SomeNameSpace\TestClass)#%d (0) {
+  }
+  [1]=>
+  array(3) {
+    [0]=>
+    string(23) "replaced_first_argument"
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+  [2]=>
+  string(12) "userspace_rv"
+  [3]=>
+  NULL
+  [4]=>
+  string(23) "SomeNameSpace\TestClass"
+  [5]=>
+  string(9) "userspace"
+  [6]=>
+  string(%d) "%a/instrumentation_user_method_namespace.php"
+  [7]=>
+  int(6)
+}
+string(21) "replaced_return_value"
+Test completed
\ No newline at end of file