TST: create: Add test for missing but required backend parameter

niceman/interface/tests/test_create.py

@@ -12,6 +12,7 @@
 import pytest
 from mock import patch, call, MagicMock
 
+from niceman.api import create
 from niceman.cmdline.main import main
 from niceman.utils import swallow_logs
 from niceman.resource.base import ResourceManager
@@ -64,6 +65,15 @@ def test_create_interface():
         assert_in("Created the environment my-test-resource", log.lines)
 
 
+def test_create_missing_required():
+    with pytest.raises(ResourceError) as exc:
+        # SSH requires host.
+        with patch("niceman.interface.create.get_manager",
+                   return_value=ResourceManager()):
+            create("somessh", "ssh", [])
+    assert "host" in str(exc.value)
+
+
 def test_backend_help_wrong_backend():
     with pytest.raises(ResourceError) as exc:
         backend_help("unknown_backend")