From 53a951004d169f3df4f4e2f3d542d87302557fd3 Mon Sep 17 00:00:00 2001
From: Christopher Hiller <boneskull@boneskull.com>
Date: Mon, 26 Sep 2016 21:47:58 -0700
Subject: [PATCH] ensure windows compat with stack trace filter; closes #2502

- also removed component-related cruft
---
 lib/utils.js       | 19 ++++++++++++-------
 test/utils.spec.js | 22 +++++++++++++++++++++-
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/lib/utils.js b/lib/utils.js
index 1cfbbae781..cceba264ba 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -9,7 +9,8 @@ var basename = require('path').basename;
 var debug = require('debug')('mocha:watch');
 var exists = require('fs').existsSync || require('path').existsSync;
 var glob = require('glob');
-var join = require('path').join;
+var path = require('path');
+var join = path.join;
 var readdirSync = require('fs').readdirSync;
 var statSync = require('fs').statSync;
 var watchFile = require('fs').watchFile;
@@ -720,16 +721,20 @@ exports.getError = function(err) {
  */
 exports.stackTraceFilter = function() {
   // TODO: Replace with `process.browser`
-  var slash = '/';
   var is = typeof document === 'undefined' ? { node: true } : { browser: true };
-  var cwd = is.node
-      ? process.cwd() + slash
-      : (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^\/]*$/, '/');
+  var slash = path.sep;
+  var cwd;
+  if (is.node) {
+    cwd = process.cwd().replace(/\\/g, '\\') + slash;
+  } else {
+    cwd = (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^\/]*$/, '/');
+    slash = '/';
+  }
 
   function isMochaInternal(line) {
     return (~line.indexOf('node_modules' + slash + 'mocha' + slash))
-      || (~line.indexOf('components' + slash + 'mochajs' + slash))
-      || (~line.indexOf('components' + slash + 'mocha' + slash))
+      || (~line.indexOf('node_modules' + slash + 'mocha.js'))
+      || (~line.indexOf('bower_components' + slash + 'mocha.js'))
       || (~line.indexOf(slash + 'mocha.js'));
   }
 
diff --git a/test/utils.spec.js b/test/utils.spec.js
index 501ea7abe8..9ec64ff1f7 100644
--- a/test/utils.spec.js
+++ b/test/utils.spec.js
@@ -1,5 +1,6 @@
 var mocha = require('..');
 var utils = mocha.utils;
+var path = require('path');
 var JSON = require('json3');
 
 describe('utils', function() {
@@ -154,6 +155,25 @@ describe('utils', function() {
 
         filter(stack.join('\n')).should.equal(expected.join('\n'));
       });
+
+      it('should work on Windows', function() {
+        if (path.sep === '/') {
+          return this.skip();
+        }
+        var stack = [
+          'Error: failed',
+          'at Context.<anonymous> (C:\Users\ishida\src\test\test\mytest.js:5:9)',
+          'at callFn (C:\Users\ishida\src\test\node_modules\mocha\lib\runnable.js:326:21)',
+          'at Test.Runnable.run (C:\Users\ishida\src\test\node_modules\mocha\lib\runnable.js:319:7)',
+          'at Runner.runTest (C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:422:10)',
+          'at C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:528:12',
+          'at next (C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:342:14)',
+          'at C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:352:7',
+          'at next (C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:284:14)',
+          'at Immediate._onImmediate (C:\Users\ishida\src\test\node_modules\mocha\lib\runner.js:320:5)'
+        ];
+        filter(stack.join('\n')).should.equal(stack.slice(0,1).join('\n'));
+      });
     });
 
     describe('on browser', function() {
@@ -163,7 +183,7 @@ describe('utils', function() {
         global.location = { href: 'localhost:3000/foo/bar/index.html' };
         filter = utils.stackTraceFilter();
       });
-      it('does not strip out other bower_components and components', function() {
+      it('does not strip out other bower_components', function() {
         var stack = ['Error: failed'
           , 'at assert (index.html:11:26)'
           , 'at Context.<anonymous> (test.js:17:18)'