Add basic tests

.gitlab-ci.yml

@@ -2,4 +2,5 @@ unittest:
   image: python:3.7.3
   script:
     - pip install -r requirements.txt
+    - cd ..
     - python -m unittest discover

test/interface/test_vm.py

@@ -33,10 +33,24 @@ fake_auth = {
 
 
 class InstanceCreateTestCase(unittest.TestCase):
+    '''
+        Test openstack methods called with the right values or exceptions raised.
+
+        Signature of tests:
+
+        def test_my_feature_with(self):
+            # Mock
+            --- mocking openstack compute API ---
+            # Execute
+            --- execute the tested method ---
+            # Assert
+            --- check values, exceptions, calls etc. ---
+    '''
 
     @patch('openstack.connect')
     def setUp(self, mock_connect):
         self.compute = MagicMock()
+        self.compute.get_server = MagicMock(return_value=servers[0])
         mock_connect().compute = self.compute
         self.manager = OSVirtualMachineManager(auth=fake_auth)
 
@@ -77,4 +91,57 @@ class InstanceCreateTestCase(unittest.TestCase):
                                                     )
 
     def test_suspend(self):
-        self.manager.openstack.compute.suspend_server()
+        # Mock
+        self.compute.suspend_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.suspend_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.suspend_server.assert_called_once()
+
+    def test_start(self):
+        # Mock
+        self.compute.start_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.start_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.start_server.assert_called_once()
+
+    def test_stop(self):
+        # Mock
+        self.compute.stop_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.stop_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.stop_server.assert_called_once()
+
+    def test_wake_up(self):
+        # Mock
+        self.compute.resume_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.wake_up_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.resume_server.assert_called_once()
+
+    def test_reboot(self):
+        # Mock
+        self.compute.reboot_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.reboot_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.reboot_server.assert_called_once()
+        self.compute.reboot_server.assert_called_with(servers[0], reboot_type="SOFT")
+
+    def test_reset(self):
+        # Mock
+        self.compute.reboot_server = MagicMock(return_value=True)
+        # Execute
+        self.manager.reset_vm("test1")
+        # Assert
+        self.compute.get_server.assert_called()
+        self.compute.reboot_server.assert_called_once()
+        self.compute.reboot_server.assert_called_with(servers[0], reboot_type="HARD")