Add test/units/inventory with a few _split_pattern tests

There were no inventory-specific unit tests earlier, so we add a new
directory for them with some initial low-level tests of _split_pattern
with various valid and deprecated pattern strings.

test/units/inventory/__init__.py

+# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+

test/units/inventory/test_inventory.py

+# Copyright 2015 Abhijit Menon-Sen <ams@2ndQuadrant.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from ansible.compat.tests import unittest
+from ansible.compat.tests.mock import patch, MagicMock
+
+from ansible.errors import AnsibleError, AnsibleParserError
+from ansible.inventory import Inventory
+from ansible.vars import VariableManager
+
+from units.mock.loader import DictDataLoader
+
+class TestInventory(unittest.TestCase):
+
+    patterns = {
+        'a': ['a'],
+        'a, b': ['a', 'b'],
+        'a , b': ['a', 'b'],
+        ' a,b ,c[1:2] ': ['a', 'b', 'c[1:2]'],
+        '9a01:7f8:191:7701::9': ['9a01:7f8:191:7701::9'],
+        '9a01:7f8:191:7701::9,9a01:7f8:191:7701::9': ['9a01:7f8:191:7701::9', '9a01:7f8:191:7701::9'],
+        '9a01:7f8:191:7701::9,9a01:7f8:191:7701::9,foo': ['9a01:7f8:191:7701::9', '9a01:7f8:191:7701::9','foo'],
+        'foo[1:2]': ['foo[1:2]'],
+        'a::b': ['a::b'],
+        'a:b': ['a', 'b'],
+        ' a : b ': ['a', 'b'],
+        'foo:bar:baz[1:2]': ['foo', 'bar', 'baz[1:2]'],
+    }
+
+    def setUp(self):
+        v = VariableManager()
+        fake_loader = DictDataLoader({})
+
+        self.i = Inventory(loader=fake_loader, variable_manager=v, host_list='')
+
+    def test_split_patterns(self):
+
+        for p in self.patterns:
+            r = self.patterns[p]
+            self.assertEqual(r, self.i._split_pattern(p))