1 files changed, 19 insertions, 1 deletions
diff --git a/spec/models/one_time_key_spec.rb b/spec/models/one_time_key_spec.rb
index 34598334c..6ff7ffc5c 100644
--- a/spec/models/one_time_key_spec.rb
+++ b/spec/models/one_time_key_spec.rb
@@ -1,5 +1,23 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
-RSpec.describe OneTimeKey, type: :model do
+describe OneTimeKey do
+  describe 'validations' do
+    context 'with an invalid signature' do
+      let(:one_time_key) { Fabricate.build(:one_time_key, signature: 'wrong!') }
+
+      it 'is invalid' do
+        expect(one_time_key).to_not be_valid
+      end
+    end
+
+    context 'with an invalid key' do
+      let(:one_time_key) { Fabricate.build(:one_time_key, key: 'wrong!') }
 
+      it 'is invalid' do
+        expect(one_time_key).to_not be_valid
+      end
+    end
+  end
 end