diff --git a/conftest.py b/conftest.py
index 0735cf7..7302742 100644
--- a/conftest.py
+++ b/conftest.py
@@ -1,10 +1,13 @@
 import _pytest
 import hy
+import os
 from hy._compat import PY3, PY35
 
+NATIVE_TESTS = os.path.join("", "tests", "native_tests", "")
+
 def pytest_collect_file(parent, path):
     if (path.ext == ".hy"
-            and "/tests/native_tests/" in path.dirname + "/"
+            and NATIVE_TESTS in path.dirname + os.sep
             and path.basename != "__init__.hy"
             and not ("py3_only" in path.basename and not PY3)
             and not ("py35_only" in path.basename and not PY35)):
diff --git a/hy/importer.py b/hy/importer.py
index ae32164..bd1bc1f 100644
--- a/hy/importer.py
+++ b/hy/importer.py
@@ -98,7 +98,7 @@ def import_file_to_module(module_name, fpath, loader=None):
         try:
             _ast = import_file_to_ast(fpath, module_name)
             module = imp.new_module(module_name)
-            module.__file__ = fpath
+            module.__file__ = os.path.normpath(fpath)
             code = ast_compile(_ast, fpath, "exec")
             if not os.environ.get('PYTHONDONTWRITEBYTECODE'):
                 try:
@@ -121,7 +121,7 @@ def import_file_to_module(module_name, fpath, loader=None):
         sys.modules[module_name] = module
         module.__name__ = module_name
 
-    module.__file__ = fpath
+    module.__file__ = os.path.normpath(fpath)
     if loader:
         module.__loader__ = loader
     if is_package(module_name):
diff --git a/tests/test_bin.py b/tests/test_bin.py
index 670b77a..ad2ea13 100644
--- a/tests/test_bin.py
+++ b/tests/test_bin.py
@@ -5,12 +5,16 @@
 # license. See the LICENSE.
 
 import os
-import subprocess
+from pipes import quote
 import re
-from hy._compat import PY3, PY35
-from hy.importer import get_bytecode_path
+import shlex
+import subprocess
+
 import pytest
 
+from hy._compat import PY3, PY35, builtins
+from hy.importer import get_bytecode_path
+
 
 hy_dir = os.environ.get('HY_DIR', '')
 
@@ -24,12 +28,14 @@ def run_cmd(cmd, stdin_data=None, expect=0, dontwritebytecode=False):
     if dontwritebytecode:
         env = dict(os.environ)
         env["PYTHONDONTWRITEBYTECODE"] = "1"
-    p = subprocess.Popen(os.path.join(hy_dir, cmd),
+    cmd = shlex.split(cmd)
+    cmd[0] = os.path.join(hy_dir, cmd[0])
+    p = subprocess.Popen(cmd,
                          stdin=subprocess.PIPE,
                          stdout=subprocess.PIPE,
                          stderr=subprocess.PIPE,
                          universal_newlines=True,
-                         shell=True,
+                         shell=False,
                          env=env)
     if stdin_data is not None:
         p.stdin.write(stdin_data)
@@ -223,18 +229,22 @@ def test_hy2py():
                 if f == "py35_only_tests.hy" and not PY35:
                     continue
                 i += 1
-                output, err = run_cmd("hy2py -s -a " +
-                                      os.path.join(dirpath, f))
+                output, err = run_cmd("hy2py -s -a " + quote(os.path.join(dirpath, f)))
                 assert len(output) > 1, f
                 assert len(err) == 0, f
     assert i
 
 
 def test_bin_hy_builtins():
+    # hy.cmdline replaces builtins.exit and builtins.quit
+    # for use by hy's repl.
     import hy.cmdline  # NOQA
-
-    assert str(exit) == "Use (exit) or Ctrl-D (i.e. EOF) to exit"
-    assert str(quit) == "Use (quit) or Ctrl-D (i.e. EOF) to exit"
+    # this test will fail if run from IPython because IPython deletes
+    # builtins.exit and builtins.quit
+    assert str(builtins.exit) == "Use (exit) or Ctrl-D (i.e. EOF) to exit"
+    assert type(builtins.exit) is hy.cmdline.HyQuitter
+    assert str(builtins.quit) == "Use (quit) or Ctrl-D (i.e. EOF) to exit"
+    assert type(builtins.quit) is hy.cmdline.HyQuitter
 
 
 def test_bin_hy_main():