From edd95fc4df8d6c539bfe21881e922fa75f9c5b69 Mon Sep 17 00:00:00 2001
From: Aleksei Gusev <aleksei.gusev@gmail.com>
Date: Sat, 7 Apr 2018 20:35:29 +0300
Subject: [PATCH] Fix handling regex symbols in tests path on Windows

---
 CHANGELOG.md                                            | 2 ++
 integration-tests/__tests__/regex_(char_in_path.test.js | 3 ---
 packages/jest-regex-util/src/__tests__/index.test.js    | 4 ++++
 packages/jest-regex-util/src/index.js                   | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6871fc0ca351..db3aa0fef0e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -73,6 +73,8 @@
   ([#5720](https://github.com/facebook/jest/pull/5720))
 * `[pretty-format]` Handle React fragments better
   ([#5816](https://github.com/facebook/jest/pull/5816))
+* `[jest-regex-util]` Fix handling regex symbols in tests path on Windows
+  ([#5941](https://github.com/facebook/jest/pull/5941))
 
 ### Chore & Maintenance
 
diff --git a/integration-tests/__tests__/regex_(char_in_path.test.js b/integration-tests/__tests__/regex_(char_in_path.test.js
index cd4c22d78f20..2ca1db2c7d97 100644
--- a/integration-tests/__tests__/regex_(char_in_path.test.js
+++ b/integration-tests/__tests__/regex_(char_in_path.test.js
@@ -8,12 +8,9 @@
  */
 'use strict';
 
-const SkipOnWindows = require('../../scripts/SkipOnWindows');
 const runJest = require('../runJest');
 
 describe('Regex Char In Path', () => {
-  SkipOnWindows.suite();
-
   it('parses paths containing regex chars correctly', () => {
     const {json} = runJest.json('regex-(char-in-path', []);
 
diff --git a/packages/jest-regex-util/src/__tests__/index.test.js b/packages/jest-regex-util/src/__tests__/index.test.js
index 87dc1801837a..a15eaa77d1e6 100644
--- a/packages/jest-regex-util/src/__tests__/index.test.js
+++ b/packages/jest-regex-util/src/__tests__/index.test.js
@@ -39,5 +39,9 @@ describe('replacePathSepForRegex()', () => {
         'a\\\\\\\\\\.dotfile',
       );
     });
+
+    it('should not escape an escaped regexp symbol', () => {
+      expect(replacePathSepForRegex('b\\(86')).toBe('b\\(86');
+    });
   });
 });
diff --git a/packages/jest-regex-util/src/index.js b/packages/jest-regex-util/src/index.js
index e452d15b9b8d..635a1931f0ff 100644
--- a/packages/jest-regex-util/src/index.js
+++ b/packages/jest-regex-util/src/index.js
@@ -23,7 +23,7 @@ export const escapeStrForRegex = (string: string) =>
 
 export const replacePathSepForRegex = (string: string) => {
   if (path.sep === '\\') {
-    return string.replace(/(\/|\\(?!\.))/g, '\\\\');
+    return string.replace(/(\/|\\(?![[\]{}()*+?.^$|]))/g, '\\\\');
   }
   return string;
 };