1 files changed, 50 insertions, 0 deletions
diff --git a/spec/models/ci/freeze_period_spec.rb b/spec/models/ci/freeze_period_spec.rb
new file mode 100644
index 00000000000..f7f840c6696
--- /dev/null
+++ b/spec/models/ci/freeze_period_spec.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::FreezePeriod, type: :model do
+  subject { build(:ci_freeze_period) }
+
+  let(:invalid_cron) { '0 0 0 * *' }
+
+  it { is_expected.to belong_to(:project) }
+
+  it { is_expected.to respond_to(:freeze_start) }
+  it { is_expected.to respond_to(:freeze_end) }
+  it { is_expected.to respond_to(:cron_timezone) }
+
+  describe 'cron validations' do
+    it 'allows valid cron patterns' do
+      freeze_period = build(:ci_freeze_period)
+
+      expect(freeze_period).to be_valid
+    end
+
+    it 'does not allow invalid cron patterns on freeze_start' do
+      freeze_period = build(:ci_freeze_period, freeze_start: invalid_cron)
+
+      expect(freeze_period).not_to be_valid
+    end
+
+    it 'does not allow invalid cron patterns on freeze_end' do
+      freeze_period = build(:ci_freeze_period, freeze_end: invalid_cron)
+
+      expect(freeze_period).not_to be_valid
+    end
+
+    it 'does not allow an invalid timezone' do
+      freeze_period = build(:ci_freeze_period, cron_timezone: 'invalid')
+
+      expect(freeze_period).not_to be_valid
+    end
+
+    context 'when cron contains trailing whitespaces' do
+      it 'strips the attribute' do
+        freeze_period = build(:ci_freeze_period, freeze_start: ' 0 0 * * *   ')
+
+        expect(freeze_period).to be_valid
+        expect(freeze_period.freeze_start).to eq('0 0 * * *')
+      end
+    end
+  end
+end