Merge branch '11305-migrate-docker19-doc'

[arvados.git] / 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 c1e77f6a4d4cf78e6e3ac7ce77b4ffe5a2fd4c9e..2330e7c528f6a304b05cf318fcc2482e91e62b8d 100644 (file)
--- a/services/api/test/unit/node_test.rb
+++ b/services/api/test/unit/node_test.rb
@@ -1,4 +1,6 @@
 require 'test_helper'
+require 'tmpdir'
+require 'tempfile'
 
 class NodeTest < ActiveSupport::TestCase
   def ping_node(node_name, ping_data)
@@ -76,6 +78,16 @@ class NodeTest < ActiveSupport::TestCase
     assert Node.dns_server_update 'compute65535', '127.0.0.127'
   end
 
+  test "don't leave temp files behind if there's an error writing them" do
+    Rails.configuration.dns_server_conf_template = Rails.root.join 'config', 'unbound.template'
+    Tempfile.any_instance.stubs(:puts).raises(IOError)
+    Dir.mktmpdir do |tmpdir|
+      Rails.configuration.dns_server_conf_dir = tmpdir
+      refute Node.dns_server_update 'compute65535', '127.0.0.127'
+      assert_empty Dir.entries(tmpdir).select{|f| File.file? f}
+    end
+  end
+
   test "ping new node with no hostname and default config" do
     node = ping_node(:new_with_no_hostname, {})
     slot_number = node.slot_number