1 files changed, 60 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/cache_spec.rb b/spec/lib/gitlab/ci/config/entry/cache_spec.rb
new file mode 100644
index 00000000000..70a327c5183
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/cache_spec.rb
@@ -0,0 +1,60 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Entry::Cache do
+  let(:entry) { described_class.new(config) }
+
+  describe 'validations' do
+    before { entry.compose! }
+
+    context 'when entry config value is correct' do
+      let(:config) do
+        { key: 'some key',
+          untracked: true,
+          paths: ['some/path/'] }
+      end
+
+      describe '#value' do
+        it 'returns hash value' do
+          expect(entry.value).to eq config
+        end
+      end
+
+      describe '#valid?' do
+        it 'is valid' do
+          expect(entry).to be_valid
+        end
+      end
+    end
+
+    context 'when entry value is not correct' do
+      describe '#errors' do
+        context 'when is not a hash' do
+          let(:config) { 'ls' }
+
+          it 'reports errors with config value' do
+            expect(entry.errors)
+              .to include 'cache config should be a hash'
+          end
+        end
+
+        context 'when descendants are invalid' do
+          let(:config) { { key: 1 } }
+
+          it 'reports error with descendants' do
+            expect(entry.errors)
+              .to include 'key config should be a string or symbol'
+          end
+        end
+
+        context 'when there is an unknown key present' do
+          let(:config) { { invalid: true } }
+
+          it 'reports error with descendants' do
+            expect(entry.errors)
+              .to include 'cache config contains unknown keys: invalid'
+          end
+        end
+      end
+    end
+  end
+end