Add unit tests for _compat.py

tests/unit/test__compat.py

@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+'''
+Unit tests for salt.config
+'''
+
+# Import Python libs
+from __future__ import absolute_import, print_function, unicode_literals
+import logging
+import sys
+
+# Import Salt Testing libs
+from tests.support.helpers import with_tempdir, with_tempfile, destructiveTest
+from tests.support.mixins import AdaptedConfigurationTestCaseMixin
+from tests.support.paths import TMP
+from tests.support.unit import skipIf, TestCase
+from tests.support.mock import NO_MOCK, NO_MOCK_REASON, Mock, MagicMock, patch
+
+# Import Salt libs
+import salt._compat as compat
+
+# Import 3rd Party libs
+from salt.ext.six import binary_type, string_types, text_type, integer_types
+from salt.ext.six.moves import cStringIO, StringIO
+
+log = logging.getLogger(__name__)
+PY3 = sys.version_info.major == 3
+
+
+class CompatTestCase(TestCase):
+    def test_text(self):
+        ret = compat.text_('test string')
+        self.assertTrue(isinstance(ret, text_type))
+
+    def test_text_binary(self):
+        ret = compat.text_(b'test string')
+        self.assertTrue(isinstance(ret, text_type))
+
+    def test_bytes(self):
+        ret = compat.bytes_('test string')
+        self.assertTrue(isinstance(ret, binary_type))
+
+    def test_bytes_binary(self):
+        ret = compat.bytes_(b'test string')
+        self.assertTrue(isinstance(ret, binary_type))
+
+    def test_ascii_native(self):
+        ret = compat.ascii_native_('test string')
+        self.assertTrue(isinstance(ret, str))
+
+    def test_ascii_native_binary(self):
+        ret = compat.ascii_native_(b'test string')
+        self.assertTrue(isinstance(ret, str))
+
+    def test_native(self):
+        ret = compat.native_('test string')
+        self.assertTrue(isinstance(ret, str))
+
+    def test_native_binary(self):
+        ret = compat.native_(b'test string')
+        self.assertTrue(isinstance(ret, str))
+
+    def test_string_io(self):
+        ret = compat.string_io('test string')
+        if PY3:
+            expected = 'io.StringIO object'
+        else:
+            expected = 'cStringIO.StringI object'
+        self.assertTrue(expected in repr(ret))
+
+    def test_string_io_unicode(self):
+        ret = compat.string_io(u'test string \xf8')
+        if PY3:
+            expected = 'io.StringIO object'
+        else:
+            expected = 'StringIO.StringIO instance'
+        self.assertTrue(expected in repr(ret))
+
+