1 files changed, 40 insertions, 0 deletions
diff --git a/spec/validators/rsa_key_validator_spec.rb b/spec/validators/rsa_key_validator_spec.rb
new file mode 100644
index 00000000000..b4e74ec5605
--- /dev/null
+++ b/spec/validators/rsa_key_validator_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe RsaKeyValidator do
+  let(:validatable) do
+    Class.new do
+      include ActiveModel::Validations
+
+      attr_accessor :signing_key
+
+      validates :signing_key, rsa_key: true
+
+      def initialize(signing_key)
+        @signing_key = signing_key
+      end
+    end
+  end
+
+  subject(:validator) { described_class.new(attributes: [:signing_key]) }
+
+  it 'is not valid when invalid RSA key is provided' do
+    record = validatable.new('invalid RSA key')
+
+    validator.validate(record)
+
+    aggregate_failures do
+      expect(record).not_to be_valid
+      expect(record.errors[:signing_key]).to include('is not a valid RSA key')
+    end
+  end
+
+  it 'is valid when valid RSA key is provided' do
+    record = validatable.new(OpenSSL::PKey::RSA.new(1024).to_pem)
+
+    validator.validate(record)
+
+    expect(record).to be_valid
+  end
+end