1 files changed, 13 insertions, 2 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/environment_spec.rb b/spec/lib/gitlab/ci/config/entry/environment_spec.rb
index 8c21d5342cc..0c18a7fb71e 100644
--- a/spec/lib/gitlab/ci/config/entry/environment_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/environment_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Entry::Environment do
+RSpec.describe Gitlab::Ci::Config::Entry::Environment do
   let(:entry) { described_class.new(config) }
 
   before do
@@ -102,6 +102,17 @@ describe Gitlab::Ci::Config::Entry::Environment do
     end
   end
 
+  context 'when prepare action is used' do
+    let(:config) do
+      { name: 'production',
+        action: 'prepare' }
+    end
+
+    it 'is valid' do
+      expect(entry).to be_valid
+    end
+  end
+
   context 'when wrong action type is used' do
     let(:config) do
       { name: 'production',
@@ -137,7 +148,7 @@ describe Gitlab::Ci::Config::Entry::Environment do
     describe '#errors' do
       it 'contains error about invalid action' do
         expect(entry.errors)
-          .to include 'environment action should be start or stop'
+          .to include 'environment action should be start, stop or prepare'
       end
     end
   end