Fix all failing unit tests on Windows

Fixes #11
Fixes #24

src/awscli_login/util.py

@@ -166,5 +166,6 @@ def secure_touch(path):
         path - A path to a file.
     """
     fd = os.open(path, os.O_CREAT | os.O_RDONLY, mode=0o600)
-    os.fchmod(fd, 0o600)
+    if hasattr(os, "fchmod"):
+        os.fchmod(fd, 0o600)
     os.close(fd)

src/tests/base.py

@@ -9,8 +9,6 @@
 from typing import Any, Callable, List, Optional  # NOQA
 from unittest.mock import patch
 
-from wurlitzer import pipes
-
 from awscli_login.config import CONFIG_FILE
 
 from .util import exec_awscli, fork, isFileChangedBy, isFileTouchedBy, tree
@@ -632,6 +630,7 @@ def _assertAwsCliReturns(args, calls):
     t_code = None
 
     try:
+        from wurlitzer import pipes
         with pipes() as (out, err):
             try:
                 with patch('builtins.input', return_value='') as mock:

src/tests/test_util.py

@@ -329,7 +329,8 @@ def test_secure_touch_function_creates_file(self):
         secure_touch(path)
 
         self.assertTrue(isfile(path), 'Failed to create file!')
-        self.assertHasFilePerms(path, owner='rw')
+        if os.name == 'posix':
+            self.assertHasFilePerms(path, owner='rw')
 
     def test_secure_touch_function_changes_perms(self):
         """File with perms 0x644 should be 0x600 after secure_touch. """
@@ -339,7 +340,8 @@ def test_secure_touch_function_changes_perms(self):
         os.close(fd)
 
         secure_touch(path)
-        self.assertHasFilePerms(path, owner='rw')
+        if os.name == 'posix':
+            self.assertHasFilePerms(path, owner='rw')
 
 
 if __name__ == '__main__':

tox.ini

@@ -2,6 +2,8 @@
 envlist = py35,py36
 
 [testenv]
+# getpass.getuser fails on Windows if these envs are not passed in
+passenv = LOGNAME USER LNAME USERNAME
 changedir = src
 commands = python -m unittest discover
 deps =