1 files changed, 23 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/node/null_spec.rb b/spec/lib/gitlab/ci/config/node/null_spec.rb
new file mode 100644
index 00000000000..36101c62462
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/node/null_spec.rb
@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Node::Null do
+  let(:entry) { described_class.new(nil) }
+
+  describe '#leaf?' do
+    it 'is leaf node' do
+      expect(entry).to be_leaf
+    end
+  end
+
+  describe '#any_method' do
+    it 'responds with nil' do
+      expect(entry.any_method).to be nil
+    end
+  end
+
+  describe '#value' do
+    it 'returns nil' do
+      expect(entry.value).to be nil
+    end
+  end
+end