Fix unittests

7 files changed, 291 insertions, 114 deletions

diff --git a/lib/ansible/module_utils/basic.py b/lib/ansible/module_utils/basic.py
index a06814a4c5..f3a5756daa 100644
--- a/lib/ansible/module_utils/basic.py
+++ b/lib/ansible/module_utils/basic.py
@@ -1435,9 +1435,13 @@ class AnsibleModule(object):
 
     def _load_params(self):
         ''' read the input and set the params attribute.  Sets the constants as well.'''
-        buffer = sys.stdin.read()
+        # Avoid tracebacks when locale is non-utf8
+        if sys.version_info < (3,):
+            buffer = sys.stdin.read()
+        else:
+            buffer = sys.stdin.buffer.read()
         try:
-            params = json.loads(buffer)
+            params = json.loads(buffer.decode('utf-8'))
         except ValueError:
             # This helper used too early for fail_json to work.
             print('{"msg": "Error: Module unable to decode valid JSON on stdin.  Unable to figure out what parameters were passed", "failed": true}')
@@ -1451,31 +1455,6 @@ class AnsibleModule(object):
             print('{"msg": "Error: Module unable to locate ANSIBLE_MODULE_ARGS and ANSIBLE_MODULE_CONSTANTS in json data from stdin.  Unable to figure out what parameters were passed", "failed": true}')
             sys.exit(1)
 
-#        import select
-#        buffer = ''
-#        while True:
-#            input_list = select.select([sys.stdin], [],  [], 5.0)[0]
-#            if sys.stdin not in input_list:
-#                # This helper used too early for fail_json to work.
-#                print('{"msg": "Error: Module unable to read arguments from stdin.  Unable to figure out what parameters were passed", "failed": true}')
-#                sys.exit(1)
-#            buffer += sys.stdin.read()
-#            if json.loads(buffer):
-#
-#        for line in sys.stdin:
-#            if line is None:
-#                print('s')
-#        data = sys.stdin.read()
-#        if MODULE_COMPLEX_ARGS is None:
-#            # This helper used too early for fail_json to work.
-#            print('{"msg": "Error: ANSIBLE_MODULE_ARGS not found in environment.  Unable to figure out what parameters were passed", "failed": true}')
-#            sys.exit(1)
-#
-#        params = json_dict_unicode_to_bytes(json.loads(data))
-#        if params is None:
-#            params = dict()
-#        self.params = params
-
     def _log_to_syslog(self, msg):
         if HAS_SYSLOG:
             module = 'ansible-%s' % os.path.basename(__file__)
diff --git a/test/units/module_utils/basic/test__log_invocation.py b/test/units/module_utils/basic/test__log_invocation.py
index 5e7524e360..34037f963c 100644
--- a/test/units/module_utils/basic/test__log_invocation.py
+++ b/test/units/module_utils/basic/test__log_invocation.py
@@ -22,18 +22,38 @@ __metaclass__ = type
 
 import sys
 import json
+from io import BytesIO, StringIO
+
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
 
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import MagicMock
 
 class TestModuleUtilsBasic(unittest.TestCase):
+    def setUp(self):
+        self.real_stdin = sys.stdin
+        args = json.dumps(
+            dict(
+                ANSIBLE_MODULE_ARGS=dict(
+                    foo=False, bar=[1,2,3], bam="bam", baz=u'baz'),
+                ANSIBLE_MODULE_CONSTANTS=dict()
+                )
+            )
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
+    def tearDown(self):
+        sys.stdin = self.real_stdin
+
     @unittest.skipIf(sys.version_info[0] >= 3, "Python 3 is not supported on targets (yet)")
     def test_module_utils_basic__log_invocation(self):
         from ansible.module_utils import basic
 
         # test basic log invocation
-        basic.MODULE_COMPLEX_ARGS = json.dumps(dict(foo=False, bar=[1,2,3], bam="bam", baz=u'baz'))
-        basic.MODULE_CONSTANTS = '{}'
         am = basic.AnsibleModule(
             argument_spec=dict(
                 foo = dict(default=True, type='bool'),
diff --git a/test/units/module_utils/basic/test_exit_json.py b/test/units/module_utils/basic/test_exit_json.py
index ffb98e0b58..249dc380d9 100644
--- a/test/units/module_utils/basic/test_exit_json.py
+++ b/test/units/module_utils/basic/test_exit_json.py
@@ -23,8 +23,10 @@ __metaclass__ = type
 import copy
 import json
 import sys
-from io import BytesIO
+from io import BytesIO, StringIO
 
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
 from ansible.compat.tests import unittest
 
 from ansible.module_utils import basic
@@ -37,9 +39,13 @@ empty_invocation = {u'module_args': {}}
 class TestAnsibleModuleExitJson(unittest.TestCase):
 
     def setUp(self):
-        self.COMPLEX_ARGS = basic.MODULE_COMPLEX_ARGS
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        self.old_stdin = sys.stdin
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
 
         self.old_stdout = sys.stdout
         self.fake_stream = BytesIO()
@@ -48,8 +54,8 @@ class TestAnsibleModuleExitJson(unittest.TestCase):
         self.module = basic.AnsibleModule(argument_spec=dict())
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.COMPLEX_ARGS
         sys.stdout = self.old_stdout
+        sys.stdin = self.old_stdin
 
     def test_exit_json_no_args_exits(self):
         with self.assertRaises(SystemExit) as ctx:
@@ -118,19 +124,31 @@ class TestAnsibleModuleExitValuesRemoved(unittest.TestCase):
             )
 
     def setUp(self):
-        self.COMPLEX_ARGS = basic.MODULE_COMPLEX_ARGS
+        self.old_stdin = sys.stdin
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.old_stdout = sys.stdout
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.COMPLEX_ARGS
+        sys.stdin = self.old_stdin
         sys.stdout = self.old_stdout
 
     def test_exit_json_removes_values(self):
         self.maxDiff = None
         for args, return_val, expected in self.dataset:
             sys.stdout = BytesIO()
-            basic.MODULE_COMPLEX_ARGS = json.dumps(args)
-            basic.MODULE_CONSTANTS = '{}'
+            params = dict(ANSIBLE_MODULE_ARGS=args, ANSIBLE_MODULE_CONSTANTS={})
+            params = json.dumps(params)
+            if PY3:
+                sys.stdin = StringIO(params)
+                sys.stdin.buffer = BytesIO(to_bytes(params))
+            else:
+                sys.stdin = BytesIO(to_bytes(params))
             module = basic.AnsibleModule(
                 argument_spec = dict(
                     username=dict(),
@@ -149,8 +167,13 @@ class TestAnsibleModuleExitValuesRemoved(unittest.TestCase):
             del expected['changed']
             expected['failed'] = True
             sys.stdout = BytesIO()
-            basic.MODULE_COMPLEX_ARGS = json.dumps(args)
-            basic.MODULE_CONSTANTS = '{}'
+            params = dict(ANSIBLE_MODULE_ARGS=args, ANSIBLE_MODULE_CONSTANTS={})
+            params = json.dumps(params)
+            if PY3:
+                sys.stdin = StringIO(params)
+                sys.stdin.buffer = BytesIO(to_bytes(params))
+            else:
+                sys.stdin = BytesIO(to_bytes(params))
             module = basic.AnsibleModule(
                 argument_spec = dict(
                     username=dict(),
diff --git a/test/units/module_utils/basic/test_log.py b/test/units/module_utils/basic/test_log.py
index 0a78ffb96d..0452ce7d90 100644
--- a/test/units/module_utils/basic/test_log.py
+++ b/test/units/module_utils/basic/test_log.py
@@ -21,7 +21,12 @@ from __future__ import (absolute_import, division)
 __metaclass__ = type
 
 import sys
+import json
 import syslog
+from io import BytesIO, StringIO
+
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
 
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import patch, MagicMock
@@ -41,10 +46,14 @@ except ImportError:
 class TestAnsibleModuleSysLogSmokeTest(unittest.TestCase):
 
     def setUp(self):
-        self.complex_args_token = basic.MODULE_COMPLEX_ARGS
-        self.constants_sentinel = basic.MODULE_CONSTANTS
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        self.real_stdin = sys.stdin
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -55,8 +64,7 @@ class TestAnsibleModuleSysLogSmokeTest(unittest.TestCase):
             basic.has_journal = False
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.complex_args_token
-        basic.MODULE_CONSTANTS = self.constants_sentinel
+        sys.stdin = self.real_stdin
         basic.has_journal = self.has_journal
 
     def test_smoketest_syslog(self):
@@ -75,17 +83,21 @@ class TestAnsibleModuleSysLogSmokeTest(unittest.TestCase):
 class TestAnsibleModuleJournaldSmokeTest(unittest.TestCase):
 
     def setUp(self):
-        self.complex_args_token = basic.MODULE_COMPLEX_ARGS
-        self.constants_sentinel = basic.MODULE_CONSTANTS
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        self.real_stdin = sys.stdin
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
+
         self.am = basic.AnsibleModule(
             argument_spec = dict(),
         )
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.complex_args_token
-        basic.MODULE_CONSTANTS = self.constants_sentinel
+        sys.stdin = self.real_stdin
 
     @unittest.skipUnless(basic.has_journal, 'python systemd bindings not installed')
     def test_smoketest_journal(self):
@@ -121,10 +133,15 @@ class TestAnsibleModuleLogSyslog(unittest.TestCase):
             }
 
     def setUp(self):
-        self.complex_args_token = basic.MODULE_COMPLEX_ARGS
-        self.constants_sentinel = basic.MODULE_CONSTANTS
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        self.real_stdin = sys.stdin
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
+
         self.am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -134,8 +151,7 @@ class TestAnsibleModuleLogSyslog(unittest.TestCase):
             basic.has_journal = False
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.complex_args_token
-        basic.MODULE_CONSTANTS = self.constants_sentinel
+        sys.stdin = self.real_stdin
         basic.has_journal = self.has_journal
 
     @patch('syslog.syslog', autospec=True)
@@ -176,10 +192,14 @@ class TestAnsibleModuleLogJournal(unittest.TestCase):
             }
 
     def setUp(self):
-        self.complex_args_token = basic.MODULE_COMPLEX_ARGS
-        self.constants_sentinel = basic.MODULE_CONSTANTS
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        self.real_stdin = sys.stdin
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -198,8 +218,8 @@ class TestAnsibleModuleLogJournal(unittest.TestCase):
                 self._fake_out_reload(basic)
 
     def tearDown(self):
-        basic.MODULE_COMPLEX_ARGS = self.complex_args_token
-        basic.MODULE_CONSTANTS = self.constants_sentinel
+        sys.stdin = self.real_stdin
+
         basic.has_journal = self.has_journal
         if self.module_patcher:
             self.module_patcher.stop()
diff --git a/test/units/module_utils/basic/test_run_command.py b/test/units/module_utils/basic/test_run_command.py
index 8a17f7e55a..3c56365816 100644
--- a/test/units/module_utils/basic/test_run_command.py
+++ b/test/units/module_utils/basic/test_run_command.py
@@ -20,9 +20,13 @@ from __future__ import (absolute_import, division)
 __metaclass__ = type
 
 import errno
+import json
 import sys
 import time
-from io import BytesIO
+from io import BytesIO, StringIO
+
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
 
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import call, MagicMock, Mock, patch, sentinel
@@ -61,8 +65,12 @@ class TestAnsibleModuleRunCommand(unittest.TestCase):
             if path == '/inaccessible':
                 raise OSError(errno.EPERM, "Permission denied: '/inaccessible'")
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
         self.module = AnsibleModule(argument_spec=dict())
         self.module.fail_json = MagicMock(side_effect=SystemExit)
 
diff --git a/test/units/module_utils/basic/test_safe_eval.py b/test/units/module_utils/basic/test_safe_eval.py
index cb28e9063f..36e9e1e399 100644
--- a/test/units/module_utils/basic/test_safe_eval.py
+++ b/test/units/module_utils/basic/test_safe_eval.py
@@ -20,16 +20,32 @@
 from __future__ import (absolute_import, division)
 __metaclass__ = type
 
-from ansible.compat.tests import unittest
+import sys
+import json
+from io import BytesIO, StringIO
 
+from ansible.compat.tests import unittest
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
 
 class TestAnsibleModuleExitJson(unittest.TestCase):
 
+    def setUp(self):
+        self.real_stdin = sys.stdin
+
+    def tearDown(self):
+        sys.stdin = self.real_stdin
+
     def test_module_utils_basic_safe_eval(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec=dict(),
         )
diff --git a/test/units/module_utils/test_basic.py b/test/units/module_utils/test_basic.py
index 39d9efe065..f8c96c6536 100644
--- a/test/units/module_utils/test_basic.py
+++ b/test/units/module_utils/test_basic.py
@@ -21,14 +21,19 @@ from __future__ import (absolute_import, division)
 __metaclass__ = type
 
 import errno
+import json
 import os
 import sys
+from io import BytesIO, StringIO
 
 try:
     import builtins
 except ImportError:
     import __builtin__ as builtins
 
+from ansible.compat.six import PY3
+from ansible.utils.unicode import to_bytes
+
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import patch, MagicMock, mock_open, Mock, call
 
@@ -37,10 +42,10 @@ realimport = builtins.__import__
 class TestModuleUtilsBasic(unittest.TestCase):
  
     def setUp(self):
-        pass
+        self.real_stdin = sys.stdin
 
     def tearDown(self):
-        pass
+        sys.stdin = self.real_stdin
 
     def clear_modules(self, mods):
         for mod in mods:
@@ -266,8 +271,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_creation(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec=dict(),
         )
@@ -282,8 +292,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
         req_to = (('bam', 'baz'),)
 
         # should test ok
-        basic.MODULE_COMPLEX_ARGS = '{"foo":"hello"}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={"foo": "hello"}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = arg_spec,
             mutually_exclusive = mut_ex,
@@ -297,8 +312,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
         # FIXME: add asserts here to verify the basic config
 
         # fail, because a required param was not specified
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.assertRaises(
             SystemExit,
             basic.AnsibleModule,
@@ -312,8 +332,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
         )
 
         # fail because of mutually exclusive parameters
-        basic.MODULE_COMPLEX_ARGS = '{"foo":"hello", "bar": "bad", "bam": "bad"}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={"foo":"hello", "bar": "bad", "bam": "bad"}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.assertRaises(
             SystemExit, 
             basic.AnsibleModule,
@@ -327,8 +352,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
         )
 
         # fail because a param required due to another param was not specified
-        basic.MODULE_COMPLEX_ARGS = '{"bam":"bad"}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={"bam": "bad"}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         self.assertRaises(
             SystemExit,
             basic.AnsibleModule,
@@ -344,8 +374,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_load_file_common_arguments(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -394,8 +429,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_selinux_mls_enabled(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -415,8 +455,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_selinux_initial_context(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -430,8 +475,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_selinux_enabled(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -463,8 +513,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_selinux_default_context(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -500,8 +555,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_selinux_context(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -543,8 +603,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_is_special_selinux_path(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{"SELINUX_SPECIAL_FS": "nfs,nfsd,foos"}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={"SELINUX_SPECIAL_FS": "nfs,nfsd,foos"}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -585,20 +650,30 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_to_filesystem_str(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
 
         self.assertEqual(am._to_filesystem_str(u'foo'), b'foo')
         self.assertEqual(am._to_filesystem_str(u'föö'), b'f\xc3\xb6\xc3\xb6')
-        
+
     def test_module_utils_basic_ansible_module_user_and_group(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -613,8 +688,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_find_mount_point(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -638,8 +718,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_set_context_if_different(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -684,8 +769,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_set_owner_if_different(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -724,7 +814,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_set_group_if_different(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -763,8 +859,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
     def test_module_utils_basic_ansible_module_set_mode_if_different(self):
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -852,8 +953,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
 
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )
@@ -1031,8 +1137,13 @@ class TestModuleUtilsBasic(unittest.TestCase):
 
         from ansible.module_utils import basic
 
-        basic.MODULE_COMPLEX_ARGS = '{}'
-        basic.MODULE_CONSTANTS = '{}'
+        args = json.dumps(dict(ANSIBLE_MODULE_ARGS={}, ANSIBLE_MODULE_CONSTANTS={}))
+        if PY3:
+            sys.stdin = StringIO(args)
+            sys.stdin.buffer = BytesIO(to_bytes(args))
+        else:
+            sys.stdin = BytesIO(to_bytes(args))
+
         am = basic.AnsibleModule(
             argument_spec = dict(),
         )