Making the switch to v2

test/units/vars/test_variable_manager.py

@@ -0,0 +1,144 @@
+# (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
+
+from ansible.compat.tests import unittest
+from ansible.compat.tests.mock import patch, MagicMock
+
+from ansible.vars import VariableManager
+
+from test.mock.loader import DictDataLoader
+
+class TestVariableManager(unittest.TestCase):
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def test_basic_manager(self):
+        fake_loader = DictDataLoader({})
+
+        v = VariableManager()
+        self.assertEqual(v.get_vars(loader=fake_loader), dict())
+
+        self.assertEqual(
+            v._merge_dicts(
+                dict(a=1),
+                dict(b=2)
+            ), dict(a=1, b=2)
+        )
+        self.assertEqual(
+            v._merge_dicts(
+                dict(a=1, c=dict(foo='bar')),
+                dict(b=2, c=dict(baz='bam'))
+            ), dict(a=1, b=2, c=dict(foo='bar', baz='bam'))
+        )
+
+
+    def test_variable_manager_extra_vars(self):
+        fake_loader = DictDataLoader({})
+
+        extra_vars = dict(a=1, b=2, c=3)
+        v = VariableManager()
+        v.set_extra_vars(extra_vars)
+
+        for (key, val) in extra_vars.iteritems():
+            self.assertEqual(v.get_vars(loader=fake_loader).get(key), val)
+            self.assertIsNot(v.extra_vars.get(key), val)
+
+    def test_variable_manager_host_vars_file(self):
+        fake_loader = DictDataLoader({
+            "host_vars/hostname1.yml": """
+               foo: bar
+            """
+        })
+
+        v = VariableManager()
+        v.add_host_vars_file("host_vars/hostname1.yml", loader=fake_loader)
+        self.assertIn("hostname1", v._host_vars_files)
+        self.assertEqual(v._host_vars_files["hostname1"], dict(foo="bar"))
+
+        mock_host = MagicMock()
+        mock_host.get_name.return_value = "hostname1"
+        mock_host.get_vars.return_value = dict()
+        mock_host.get_groups.return_value = ()
+
+        self.assertEqual(v.get_vars(loader=fake_loader, host=mock_host).get("foo"), "bar")
+
+    def test_variable_manager_group_vars_file(self):
+        fake_loader = DictDataLoader({
+            "group_vars/somegroup.yml": """
+               foo: bar
+            """
+        })
+
+        v = VariableManager()
+        v.add_group_vars_file("group_vars/somegroup.yml", loader=fake_loader)
+        self.assertIn("somegroup", v._group_vars_files)
+        self.assertEqual(v._group_vars_files["somegroup"], dict(foo="bar"))
+
+        mock_group = MagicMock()
+        mock_group.name.return_value = "somegroup"
+        mock_group.get_ancestors.return_value = ()
+
+        mock_host = MagicMock()
+        mock_host.get_name.return_value = "hostname1"
+        mock_host.get_vars.return_value = dict()
+        mock_host.get_groups.return_value = (mock_group)
+
+        self.assertEqual(v.get_vars(loader=fake_loader, host=mock_host).get("foo"), "bar")
+
+    def test_variable_manager_play_vars(self):
+        fake_loader = DictDataLoader({})
+
+        mock_play = MagicMock()
+        mock_play.get_vars.return_value = dict(foo="bar")
+        mock_play.get_roles.return_value = []
+        mock_play.get_vars_files.return_value = []
+
+        v = VariableManager()
+        self.assertEqual(v.get_vars(loader=fake_loader, play=mock_play).get("foo"), "bar")
+
+    def test_variable_manager_play_vars_files(self):
+        fake_loader = DictDataLoader({
+            "/path/to/somefile.yml": """
+               foo: bar
+            """
+        })
+
+        mock_play = MagicMock()
+        mock_play.get_vars.return_value = dict()
+        mock_play.get_roles.return_value = []
+        mock_play.get_vars_files.return_value = ['/path/to/somefile.yml']
+
+        v = VariableManager()
+        self.assertEqual(v.get_vars(loader=fake_loader, play=mock_play).get("foo"), "bar")
+
+    def test_variable_manager_task_vars(self):
+        fake_loader = DictDataLoader({})
+
+        mock_task = MagicMock()
+        mock_task.get_vars.return_value = dict(foo="bar")
+
+        v = VariableManager()
+        self.assertEqual(v.get_vars(loader=fake_loader, task=mock_task).get("foo"), "bar")
+