1 files changed, 56 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/kubernetes_spec.rb b/spec/lib/gitlab/ci/config/entry/kubernetes_spec.rb
new file mode 100644
index 00000000000..468e83ec506
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/kubernetes_spec.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Entry::Kubernetes do
+  subject { described_class.new(config) }
+
+  describe 'attributes' do
+    it { is_expected.to respond_to(:namespace) }
+    it { is_expected.to respond_to(:has_namespace?) }
+  end
+
+  describe 'validations' do
+    describe 'config' do
+      context 'is a hash containing known keys' do
+        let(:config) { Hash(namespace: 'namespace') }
+
+        it { is_expected.to be_valid }
+      end
+
+      context 'is a hash containing an unknown key' do
+        let(:config) { Hash(unknown: 'attribute') }
+
+        it { is_expected.not_to be_valid }
+      end
+
+      context 'is a string' do
+        let(:config) { 'config' }
+
+        it { is_expected.not_to be_valid }
+      end
+    end
+
+    describe 'namespace' do
+      let(:config) { Hash(namespace: namespace) }
+
+      context 'is a string' do
+        let(:namespace) { 'namespace' }
+
+        it { is_expected.to be_valid }
+      end
+
+      context 'is a hash' do
+        let(:namespace) { Hash(key: 'namespace') }
+
+        it { is_expected.not_to be_valid }
+      end
+
+      context 'is not present' do
+        let(:namespace) { '' }
+
+        it { is_expected.not_to be_valid }
+      end
+    end
+  end
+end