1 files changed, 40 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/node/undefined_spec.rb b/spec/lib/gitlab/ci/config/node/undefined_spec.rb
new file mode 100644
index 00000000000..0c6608d906d
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/node/undefined_spec.rb
@@ -0,0 +1,40 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Node::Undefined do
+  let(:undefined) { described_class.new(entry) }
+  let(:entry) { Class.new }
+
+  describe '#leaf?' do
+    it 'is leaf node' do
+      expect(undefined).to be_leaf
+    end
+  end
+
+  describe '#valid?' do
+    it 'is always valid' do
+      expect(undefined).to be_valid
+    end
+  end
+
+  describe '#errors' do
+    it 'is does not contain errors' do
+      expect(undefined.errors).to be_empty
+    end
+  end
+
+  describe '#value' do
+    before do
+      allow(entry).to receive(:default).and_return('some value')
+    end
+
+    it 'returns default value for entry' do
+      expect(undefined.value).to eq 'some value'
+    end
+  end
+
+  describe '#undefined?' do
+    it 'is not a defined entry' do
+      expect(undefined.defined?).to be false
+    end
+  end
+end