From 7a5eb10549833dddbf9a842a56b63cce05e8b6fe Mon Sep 17 00:00:00 2001
From: Eric Snow <ericsnowcurrently@gmail.com>
Date: Wed, 21 Mar 2018 16:53:01 +0000
Subject: [PATCH] Set sys.path when running coverage.

---
 tests/__main__.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tests/__main__.py b/tests/__main__.py
index 469ba7cc..60026b31 100644
--- a/tests/__main__.py
+++ b/tests/__main__.py
@@ -7,6 +7,7 @@ import unittest
 
 TEST_ROOT = os.path.dirname(__file__)
 PROJECT_ROOT = os.path.dirname(TEST_ROOT)
+PYDEVD_ROOT = os.path.join(PROJECT_ROOT, 'ptvsd', 'pydevd')
 
 
 def convert_argv(argv):
@@ -87,11 +88,10 @@ def convert_argv(argv):
 
 
 def fix_sys_path():
-    pydevdroot = os.path.join(PROJECT_ROOT, 'ptvsd', 'pydevd')
     if not sys.path[0] or sys.path[0] == '.':
-        sys.path.insert(1, pydevdroot)
+        sys.path.insert(1, PYDEVD_ROOT)
     else:
-        sys.path.insert(0, pydevdroot)
+        sys.path.insert(0, PYDEVD_ROOT)
 
 
 def check_lint():
@@ -121,6 +121,8 @@ def run_tests(argv, env, coverage=False):
             '--omit', 'ptvsd/pydevd/*.py',
             '-m', 'unittest',
         ] + argv[1:]
+        assert 'PYTHONPATH' not in env
+        env['PYTHONPATH'] = PYDEVD_ROOT
         rc = subprocess.call(args, env=env)
         if rc != 0:
             print('...coverage failed!')