X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19ae770973482257117fe8ded5619c3018c4b60f..5a420beeb6c64efc3ca0ef13d4ab9ac6c654c3ab:/services/api/test/unit/node_test.rb

diff --git a/services/api/test/unit/node_test.rb b/services/api/test/unit/node_test.rb
index e5b88354fb..6eb1df56d1 100644
--- a/services/api/test/unit/node_test.rb
+++ b/services/api/test/unit/node_test.rb
@@ -125,4 +125,31 @@ class NodeTest < ActiveSupport::TestCase
     refute_nil node2.slot_number
     assert_equal "custom1", node2.hostname
   end
+
+  test "update dns when nodemanager clears hostname and ip_address" do
+    act_as_system_user do
+      node = ping_node(:new_with_custom_hostname, {})
+      Node.expects(:dns_server_update).with(node.hostname, Node::UNUSED_NODE_IP)
+      node.update_attributes(hostname: nil, ip_address: nil)
+    end
+  end
+
+  test "update dns when hostname changes" do
+    act_as_system_user do
+      node = ping_node(:new_with_custom_hostname, {})
+
+      Node.expects(:dns_server_update).with(node.hostname, Node::UNUSED_NODE_IP)
+      Node.expects(:dns_server_update).with('foo0', node.ip_address)
+      node.update_attributes!(hostname: 'foo0')
+
+      Node.expects(:dns_server_update).with('foo0', Node::UNUSED_NODE_IP)
+      node.update_attributes!(hostname: nil, ip_address: nil)
+
+      Node.expects(:dns_server_update).with('foo0', '10.11.12.13')
+      node.update_attributes!(hostname: 'foo0', ip_address: '10.11.12.13')
+
+      Node.expects(:dns_server_update).with('foo0', '10.11.12.14')
+      node.update_attributes!(hostname: 'foo0', ip_address: '10.11.12.14')
+    end
+  end
 end