Add initial tests for loader's public interfaces

Tests for #22117

tests/integration/loader/interfaces.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+'''
+    integration.loader.interfaces
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Test Salt's loader
+'''
+
+# Import Python libs
+from __future__ import absolute_import
+
+# Import Salt Testing libs
+from salttesting import TestCase
+from salttesting.helpers import ensure_in_syspath
+
+import integration
+
+ensure_in_syspath('../../')
+
+# Import Salt libs
+import salt.ext.six as six
+from salt.config import minion_config
+
+import salt.loader
+
+# TODO: the rest of the public interfaces
+
+
+class raw_mod_Test(TestCase):
+    '''
+    Test the interface of raw_mod
+    '''
+    def test_basic(self):
+        self.opts = minion_config(None)
+        testmod = salt.loader.raw_mod(self.opts, 'test', None)
+        for k, v in testmod.iteritems():
+            self.assertEqual(k.split('.')[0], 'test')
+
+    def test_bad_name(self):
+        self.opts = minion_config(None)
+        testmod = salt.loader.raw_mod(self.opts, 'module_we_do_not_have', None)
+        self.assertEqual(testmod, {})