From 0bde29e19792679bfad9bf890e8b2e7c2e649987 Mon Sep 17 00:00:00 2001
From: Peter Argany <petetheheat@fb.com>
Date: Thu, 7 Feb 2019 10:40:14 -0800
Subject: [PATCH] Consider SSTs in Platform.isTesting

Summary:
A common util from RN to gate on testing code is `Platform.isTesting()`

Unfortunately, this util does not account for ServerSnapshotTests, since they don't use apple's XCTest infra.

Reviewed By: sahrens

Differential Revision: D13981728

fbshipit-source-id: bf902a04f5d7fcb98a06816f5c2c9b082e7d14b8
---
 React/Base/RCTUtils.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/React/Base/RCTUtils.m b/React/Base/RCTUtils.m
index 13067cc544a..44e1e7fe5c1 100644
--- a/React/Base/RCTUtils.m
+++ b/React/Base/RCTUtils.m
@@ -458,8 +458,10 @@ BOOL RCTRunningInTestEnvironment(void)
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
     NSDictionary *environment = [[NSProcessInfo processInfo] environment];
-    isTestEnvironment = objc_lookUpClass("SenTestCase") || objc_lookUpClass("XCTest") ||
-      [environment[@"IS_TESTING"] boolValue];
+    isTestEnvironment = objc_lookUpClass("SenTestCase") ||
+    objc_lookUpClass("XCTest") ||
+    objc_lookUpClass("SnapshotTestAppDelegate") ||
+    [environment[@"IS_TESTING"] boolValue];
   });
   return isTestEnvironment;
 }