X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=tests%2Funit%2Ftest_model.py;h=222d881a6b5c16090fe6f3517e045009c9b72dc4;hb=dbcac620b62e16f9e4b7a763e1400f2f3a79b285;hp=97966da60aa37033d370e978115a74eb879be891;hpb=6d260e15f4122a100d7cbecb81bd5a1a1a2bffa8;p=osm%2FN2VC.git

diff --git a/tests/unit/test_model.py b/tests/unit/test_model.py
index 97966da..222d881 100644
--- a/tests/unit/test_model.py
+++ b/tests/unit/test_model.py
@@ -1,22 +1,29 @@
 import unittest
 
+import mock
+import asynctest
+
+
+def _make_delta(entity, type_, data=None):
+    from juju.client.client import Delta
+    from juju.delta import get_entity_delta
+
+    delta = Delta([entity, type_, data])
+    return get_entity_delta(delta)
+
 
 class TestObserver(unittest.TestCase):
     def _make_observer(self, *args):
         from juju.model import _Observer
         return _Observer(*args)
 
-    def _make_delta(self, entity, type_, data=None):
-        from juju.delta import ApplicationDelta
-        return ApplicationDelta([entity, type_, data])
-
     def test_cares_about_id(self):
         id_ = 'foo'
 
         o = self._make_observer(
             None, None, None, id_, None)
 
-        delta = self._make_delta(
+        delta = _make_delta(
             'application', 'change', dict(name=id_))
 
         self.assertTrue(o.cares_about(delta))
@@ -27,7 +34,7 @@ class TestObserver(unittest.TestCase):
         o = self._make_observer(
             None, type_, None, None, None)
 
-        delta = self._make_delta(
+        delta = _make_delta(
             type_, 'change', dict(name='foo'))
 
         self.assertTrue(o.cares_about(delta))
@@ -38,7 +45,7 @@ class TestObserver(unittest.TestCase):
         o = self._make_observer(
             None, None, action, None, None)
 
-        delta = self._make_delta(
+        delta = _make_delta(
             'application', action, dict(name='foo'))
 
         self.assertTrue(o.cares_about(delta))
@@ -50,7 +57,99 @@ class TestObserver(unittest.TestCase):
         o = self._make_observer(
             None, None, None, None, predicate)
 
-        delta = self._make_delta(
+        delta = _make_delta(
             'application', 'change', dict(fizz='bang'))
 
         self.assertTrue(o.cares_about(delta))
+
+
+class TestModelState(unittest.TestCase):
+    def test_apply_delta(self):
+        from juju.model import Model
+        from juju.application import Application
+
+        loop = mock.MagicMock()
+        model = Model(loop=loop)
+        delta = _make_delta('application', 'add', dict(name='foo'))
+
+        # test add
+        prev, new = model.state.apply_delta(delta)
+        self.assertEqual(
+            len(model.state.state[delta.entity][delta.get_id()]), 1)
+        self.assertIsNone(prev)
+        self.assertIsInstance(new, Application)
+
+        # test remove
+        delta.type = 'remove'
+        prev, new = model.state.apply_delta(delta)
+        # length of the entity history deque is now 3:
+        # - 1 for the first delta
+        # - 1 for the second delta
+        # - 1 for the None sentinel appended after the 'remove'
+        self.assertEqual(
+            len(model.state.state[delta.entity][delta.get_id()]), 3)
+        self.assertIsInstance(new, Application)
+        # new object is falsy because its data is None
+        self.assertFalse(new)
+        self.assertIsInstance(prev, Application)
+        self.assertTrue(prev)
+
+
+def test_get_series():
+    from juju.model import Model
+    model = Model()
+    entity = {
+        'Meta': {
+            'supported-series': {
+                'SupportedSeries': [
+                    'xenial',
+                    'trusty',
+                ],
+            },
+        },
+    }
+    assert model._get_series('cs:trusty/ubuntu', entity) == 'trusty'
+    assert model._get_series('xenial/ubuntu', entity) == 'xenial'
+    assert model._get_series('~foo/xenial/ubuntu', entity) == 'xenial'
+    assert model._get_series('~foo/ubuntu', entity) == 'xenial'
+    assert model._get_series('ubuntu', entity) == 'xenial'
+    assert model._get_series('cs:ubuntu', entity) == 'xenial'
+
+
+class TestContextManager(asynctest.TestCase):
+    @asynctest.patch('juju.model.Model.disconnect')
+    @asynctest.patch('juju.model.Model.connect_current')
+    async def test_normal_use(self, mock_connect, mock_disconnect):
+        from juju.model import Model
+
+        async with Model() as model:
+            self.assertTrue(isinstance(model, Model))
+
+        self.assertTrue(mock_connect.called)
+        self.assertTrue(mock_disconnect.called)
+
+    @asynctest.patch('juju.model.Model.disconnect')
+    @asynctest.patch('juju.model.Model.connect_current')
+    async def test_exception(self, mock_connect, mock_disconnect):
+        from juju.model import Model
+
+        class SomeException(Exception):
+            pass
+
+        with self.assertRaises(SomeException):
+            async with Model():
+                raise SomeException()
+
+        self.assertTrue(mock_connect.called)
+        self.assertTrue(mock_disconnect.called)
+
+    @asynctest.patch('juju.client.connection.JujuData.current_controller')
+    async def test_no_current_connection(self, mock_current_controller):
+        from juju.model import Model
+        from juju.errors import JujuConnectionError
+
+        mock_current_controller.return_value = ""
+
+        with self.assertRaises(JujuConnectionError):
+            async with Model():
+                pass