From 526cc810e2980b916c2a9ea528d95e1cef3e8791 Mon Sep 17 00:00:00 2001
From: Matt Wynne <matt@cucumber.io>
Date: Wed, 1 Dec 2021 08:48:14 -0800
Subject: [PATCH] Add a warning for Windows developers

The tests won't work if you don't have "Developer Mode" enabled. See #1852

Co-authored-by: Aurelien Reeves <aurelien.reeves@smartbear.com>
---
 features/support/hooks.ts                     |  7 +++++-
 ...warn_user_about_enabling_developer_mode.ts | 25 +++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 features/support/warn_user_about_enabling_developer_mode.ts

diff --git a/features/support/hooks.ts b/features/support/hooks.ts
index 650a50ee4..686822fbf 100644
--- a/features/support/hooks.ts
+++ b/features/support/hooks.ts
@@ -6,6 +6,7 @@ import tmp from 'tmp'
 import { doesHaveValue } from '../../src/value_checker'
 import { World } from './world'
 import { ITestCaseHookParameter } from '../../src/support_code_library_builder/types'
+import { warnUserAboutEnablingDeveloperMode } from './warn_user_about_enabling_developer_mode'
 
 const projectPath = path.join(__dirname, '..', '..')
 
@@ -39,7 +40,11 @@ Before(function (
     '@cucumber',
     'cucumber'
   )
-  fsExtra.ensureSymlinkSync(projectPath, tmpDirCucumberPath)
+  try {
+    fsExtra.ensureSymlinkSync(projectPath, tmpDirCucumberPath)
+  } catch (error) {
+    warnUserAboutEnablingDeveloperMode(error)
+  }
   this.localExecutablePath = path.join(projectPath, 'bin', 'cucumber-js')
 })
 
diff --git a/features/support/warn_user_about_enabling_developer_mode.ts b/features/support/warn_user_about_enabling_developer_mode.ts
new file mode 100644
index 000000000..9afcd37a7
--- /dev/null
+++ b/features/support/warn_user_about_enabling_developer_mode.ts
@@ -0,0 +1,25 @@
+import { reindent } from 'reindent-template-literals'
+import colors from 'colors/safe'
+
+export function warnUserAboutEnablingDeveloperMode(error: any): void {
+  if (!(error?.code === 'EPERM')) {
+    throw error
+  }
+  if (!(process.platform === 'win32')) {
+    throw error
+  }
+
+  console.error(
+    colors.red(
+      reindent(`
+        Error: Unable to run feature tests!
+        
+        You need to enable Developer Mode in Windows to run Cucumber JS's feature tests.
+
+        See this link for more info: 
+        https://docs.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging
+      `)
+    )
+  )
+  process.exit(1)
+}