Merge pull request #3676 from aanand/warn-for-swarm-mode

Show a warning when engine is in swarm mode

tests/unit/project_test.py

@@ -510,3 +510,35 @@ class ProjectTest(unittest.TestCase):
 
         project.down(ImageType.all, True)
         self.mock_client.remove_image.assert_called_once_with("busybox:latest")
+
+    def test_warning_in_swarm_mode(self):
+        self.mock_client.info.return_value = {'Swarm': {'LocalNodeState': 'active'}}
+        project = Project('composetest', [], self.mock_client)
+
+        with mock.patch('compose.project.log') as fake_log:
+            project.up()
+            assert fake_log.warn.call_count == 1
+
+    def test_no_warning_on_stop(self):
+        self.mock_client.info.return_value = {'Swarm': {'LocalNodeState': 'active'}}
+        project = Project('composetest', [], self.mock_client)
+
+        with mock.patch('compose.project.log') as fake_log:
+            project.stop()
+            assert fake_log.warn.call_count == 0
+
+    def test_no_warning_in_normal_mode(self):
+        self.mock_client.info.return_value = {'Swarm': {'LocalNodeState': 'inactive'}}
+        project = Project('composetest', [], self.mock_client)
+
+        with mock.patch('compose.project.log') as fake_log:
+            project.up()
+            assert fake_log.warn.call_count == 0
+
+    def test_no_warning_with_no_swarm_info(self):
+        self.mock_client.info.return_value = {}
+        project = Project('composetest', [], self.mock_client)
+
+        with mock.patch('compose.project.log') as fake_log:
+            project.up()
+            assert fake_log.warn.call_count == 0