Add negative tests

Author: lgarber-akamai

test/integration/models/linode/test_linode.py

@@ -790,6 +790,15 @@ def test_get_config(test_linode_client, create_linode):
     assert config.id == linode.configs[0].id
 
 
+def test_config_create_without_devices_raises_error(create_linode):
+    linode = create_linode
+
+    with pytest.raises(ValueError) as err:
+        linode.config_create(label="test-config-no-devices")
+
+    assert "Must include at least one disk or volume!" in str(err.value)
+
+
 def test_get_linode_types(test_linode_client):
     types = test_linode_client.linode.types()
 

test/unit/objects/linode_test.py

@@ -487,6 +487,19 @@ def test_create_config_with_device_map(self):
 
         self.assertEqual(config.id, 456)
 
+    def test_create_config_without_devices_raises_error(self):
+        """
+        Tests that config_create raises ValueError when no devices, disks, or volumes are specified.
+        """
+        linode = Instance(self.client, 123)
+
+        with self.assertRaises(ValueError) as context:
+            linode.config_create(label="test-config")
+
+        assert "Must include at least one disk or volume!" in str(
+            context.exception
+        )
+
     def test_get_placement_group(self):
         """
         Tests that you can get the placement group for a Linode