Merge pull request #1558 from vodik/fix-tests-under-pipenv

Fix unit tests when run with PYTHONDONTWRITEBYTECODE

tests/importer/test_importer.py

@@ -10,6 +10,7 @@ import os
 import ast
 import tempfile
 from fractions import Fraction
+import pytest
 
 
 def test_basics():
@@ -50,6 +51,8 @@ def test_import_error_reporting():
     assert _import_error_test() is not None
 
 
+@pytest.mark.skipif(os.environ.get('PYTHONDONTWRITEBYTECODE'),
+                    reason="Bytecode generation is suppressed")
 def test_import_autocompiles():
     "Test that (import) byte-compiles the module."
 

tests/test_bin.py

@@ -24,10 +24,12 @@ def hr(s=""):
 
 
 def run_cmd(cmd, stdin_data=None, expect=0, dontwritebytecode=False):
-    env = None
-    if dontwritebytecode:
     env = dict(os.environ)
+    if dontwritebytecode:
         env["PYTHONDONTWRITEBYTECODE"] = "1"
+    else:
+        env.pop("PYTHONDONTWRITEBYTECODE", None)
+
     cmd = shlex.split(cmd)
     cmd[0] = os.path.join(hy_dir, cmd[0])
     p = subprocess.Popen(cmd,