From 069f2ed2f732bb4848be7a212cd26ad6253a86c2 Mon Sep 17 00:00:00 2001
From: Brent Shaffer <betterbrent@google.com>
Date: Wed, 24 Nov 2021 15:18:57 -0800
Subject: [PATCH 1/3] feat: add class for testing

---
 src/FunctionsFrameworkTesting.php | 46 ++++++++++++++++++++++
 tests/FunctionsFrameworkTest.php  | 65 +++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)
 create mode 100644 src/FunctionsFrameworkTesting.php
 create mode 100644 tests/FunctionsFrameworkTest.php

diff --git a/src/FunctionsFrameworkTesting.php b/src/FunctionsFrameworkTesting.php
new file mode 100644
index 00000000..08ee7fae
--- /dev/null
+++ b/src/FunctionsFrameworkTesting.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Copyright 2021 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Google\CloudFunctions;
+
+use ReflectionClass;
+
+class FunctionsFrameworkTesting
+{
+    private function __construct()
+    {
+        // Constructor disabled because this class should only be used statically.
+    }
+
+    public static function getRegisteredFunction(string $functionName)
+    {
+        $registeredFunctionsReflection = (new ReflectionClass(Invoker::class))
+            ->getProperty('registeredFunctions');
+        $registeredFunctionsReflection->setAccessible(true);
+
+        $fn = $registeredFunctionsReflection->getValue()[$functionName] ?? null;
+
+        if ($fn) {
+            $functionReflection = (new ReflectionClass($fn))
+                ->getProperty('function');
+            $functionReflection->setAccessible(true);
+
+            return $functionReflection->getValue($fn);
+        }
+    }
+}
diff --git a/tests/FunctionsFrameworkTest.php b/tests/FunctionsFrameworkTest.php
new file mode 100644
index 00000000..940c1b24
--- /dev/null
+++ b/tests/FunctionsFrameworkTest.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright 2019 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Google\CloudFunctions\Tests;
+
+use Google\CloudFunctions\FunctionsFramework;
+use Google\CloudFunctions\FunctionsFrameworkTesting;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ServerRequestInterface;
+use CloudEvents\V1\CloudEventInterface;
+
+/**
+ * @group gcf-framework
+ */
+class FunctionsFrameworkTest extends TestCase
+{
+    public function testRegisterAndRetrieveHttpFunction(): void
+    {
+        $fn = function(ServerRequestInterface $request) {
+            return "this is a test function";
+        };
+
+        FunctionsFramework::http('testFn', $fn);
+
+        $this->assertEquals(
+            $fn,
+            FunctionsFrameworkTesting::getRegisteredFunction('testFn')
+        );
+    }
+
+    public function testRegisterAndRetrieveCloudEventFunction(): void
+    {
+        $fn = function(CloudEventInterface $event) {
+            return "this is a test function";
+        };
+
+        FunctionsFramework::cloudEvent('testFn', $fn);
+
+        $this->assertEquals(
+            $fn,
+            FunctionsFrameworkTesting::getRegisteredFunction('testFn')
+        );
+    }
+
+    public function testRetrieveNonexistantFunction(): void
+    {
+        $this->assertNull(
+            FunctionsFrameworkTesting::getRegisteredFunction('thisDoesntExist')
+        );
+    }
+}

From bac97a7cfdea19c3080c82787c131787155935a2 Mon Sep 17 00:00:00 2001
From: Brent Shaffer <betterbrent@google.com>
Date: Wed, 24 Nov 2021 15:19:50 -0800
Subject: [PATCH 2/3] fix copyright

---
 tests/FunctionsFrameworkTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/FunctionsFrameworkTest.php b/tests/FunctionsFrameworkTest.php
index 940c1b24..0c3fade5 100644
--- a/tests/FunctionsFrameworkTest.php
+++ b/tests/FunctionsFrameworkTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2019 Google LLC.
+ * Copyright 2021 Google LLC.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

From 81935e983b3bcb37e1ac41273dcac377ccabcdb4 Mon Sep 17 00:00:00 2001
From: Brent Shaffer <betterbrent@google.com>
Date: Mon, 29 Nov 2021 13:44:50 -0800
Subject: [PATCH 3/3] lint happy

---
 tests/FunctionsFrameworkTest.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/FunctionsFrameworkTest.php b/tests/FunctionsFrameworkTest.php
index 0c3fade5..63907543 100644
--- a/tests/FunctionsFrameworkTest.php
+++ b/tests/FunctionsFrameworkTest.php
@@ -30,7 +30,7 @@ class FunctionsFrameworkTest extends TestCase
 {
     public function testRegisterAndRetrieveHttpFunction(): void
     {
-        $fn = function(ServerRequestInterface $request) {
+        $fn = function (ServerRequestInterface $request) {
             return "this is a test function";
         };
 
@@ -44,7 +44,7 @@ public function testRegisterAndRetrieveHttpFunction(): void
 
     public function testRegisterAndRetrieveCloudEventFunction(): void
     {
-        $fn = function(CloudEventInterface $event) {
+        $fn = function (CloudEventInterface $event) {
             return "this is a test function";
         };